diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2026-04-19 18:28:57 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2026-04-19 18:28:57 -0700 |
| commit | f4b369c6fe0ceaba2da2daff8c9eb415f85926dd (patch) | |
| tree | 30465d0a429b2c224685b5d8e804bf053c4d129a /drivers/reset | |
| parent | ff14dafde15c11403fac61367a34fea08926e9ee (diff) | |
| parent | 2ca45e57ea027fffe3350ae5e21ad9cecb0dce74 (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 7.1 merge window.
Diffstat (limited to 'drivers/reset')
| -rw-r--r-- | drivers/reset/Kconfig | 29 | ||||
| -rw-r--r-- | drivers/reset/Makefile | 3 | ||||
| -rw-r--r-- | drivers/reset/core.c | 271 | ||||
| -rw-r--r-- | drivers/reset/reset-eic7700.c | 429 | ||||
| -rw-r--r-- | drivers/reset/reset-gpio.c | 28 | ||||
| -rw-r--r-- | drivers/reset/reset-imx8mp-audiomix.c | 169 | ||||
| -rw-r--r-- | drivers/reset/reset-mpfs.c | 91 | ||||
| -rw-r--r-- | drivers/reset/reset-npcm.c | 2 | ||||
| -rw-r--r-- | drivers/reset/reset-rzg2l-usbphy-ctrl.c | 151 | ||||
| -rw-r--r-- | drivers/reset/reset-socfpga.c | 2 | ||||
| -rw-r--r-- | drivers/reset/reset-sunxi.c | 2 | ||||
| -rw-r--r-- | drivers/reset/reset-th1520.c | 835 | ||||
| -rw-r--r-- | drivers/reset/spacemit/Kconfig | 36 | ||||
| -rw-r--r-- | drivers/reset/spacemit/Makefile | 5 | ||||
| -rw-r--r-- | drivers/reset/spacemit/reset-spacemit-common.c | 77 | ||||
| -rw-r--r-- | drivers/reset/spacemit/reset-spacemit-common.h | 42 | ||||
| -rw-r--r-- | drivers/reset/spacemit/reset-spacemit-k1.c (renamed from drivers/reset/reset-spacemit.c) | 109 | ||||
| -rw-r--r-- | drivers/reset/spacemit/reset-spacemit-k3.c | 233 |
18 files changed, 2101 insertions, 413 deletions
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 78b7078478d4..7ce151f6a7e4 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -73,6 +73,16 @@ config RESET_BRCMSTB_RESCAL This enables the RESCAL reset controller for SATA, PCIe0, or PCIe1 on BCM7216 or the BCM2712. +config RESET_EIC7700 + bool "Reset controller driver for ESWIN SoCs" + depends on ARCH_ESWIN || COMPILE_TEST + default ARCH_ESWIN + help + This enables the reset controller driver for ESWIN SoCs. This driver is + specific to ESWIN SoCs and should only be enabled if using such hardware. + The driver supports eic7700 series chips and provides functionality for + asserting and deasserting resets on the chip. + config RESET_EYEQ bool "Mobileye EyeQ reset controller" depends on MACH_EYEQ5 || MACH_EYEQ6H || COMPILE_TEST @@ -89,6 +99,7 @@ config RESET_EYEQ config RESET_GPIO tristate "GPIO reset controller" depends on GPIOLIB + select AUXILIARY_BUS help This enables a generic reset controller for resets attached via GPIOs. Typically for OF platforms this driver expects "reset-gpios" @@ -150,7 +161,7 @@ config RESET_K210 config RESET_K230 tristate "Reset controller driver for Canaan Kendryte K230 SoC" depends on ARCH_CANAAN || COMPILE_TEST - depends on OF + default ARCH_CANAAN help Support for the Canaan Kendryte K230 RISC-V SoC reset controller. Say Y if you want to control reset signals provided by this @@ -170,7 +181,7 @@ config RESET_LPC18XX config RESET_MCHP_SPARX5 tristate "Microchip Sparx5 reset driver" - depends on ARCH_SPARX5 || SOC_LAN966 || MCHP_LAN966X_PCI || COMPILE_TEST + depends on ARCH_SPARX5 || ARCH_LAN969X || SOC_LAN966 || MCHP_LAN966X_PCI || COMPILE_TEST default y if SPARX5_SWITCH select MFD_SYSCON help @@ -200,6 +211,7 @@ config RESET_PISTACHIO config RESET_POLARFIRE_SOC bool "Microchip PolarFire SoC (MPFS) Reset Driver" depends on MCHP_CLK_MPFS + depends on MFD_SYSCON select AUXILIARY_BUS default MCHP_CLK_MPFS help @@ -237,6 +249,7 @@ config RESET_RASPBERRYPI config RESET_RZG2L_USBPHY_CTRL tristate "Renesas RZ/G2L USBPHY control driver" depends on ARCH_RZG2L || COMPILE_TEST + select MFD_SYSCON help Support for USBPHY Control found on RZ/G2L family. It mainly controls reset and power down of the USB/PHY. @@ -286,15 +299,6 @@ config RESET_SOCFPGA This enables the reset driver for the SoCFPGA ARMv7 platforms. This driver gets initialized early during platform init calls. -config RESET_SPACEMIT - tristate "SpacemiT reset driver" - depends on ARCH_SPACEMIT || COMPILE_TEST - select AUXILIARY_BUS - default ARCH_SPACEMIT - help - This enables the reset controller driver for SpacemiT SoCs, - including the K1. - config RESET_SUNPLUS bool "Sunplus SoCs Reset Driver" if COMPILE_TEST default ARCH_SUNPLUS @@ -393,9 +397,10 @@ config RESET_ZYNQMP This enables the reset controller driver for Xilinx ZynqMP SoCs. source "drivers/reset/amlogic/Kconfig" +source "drivers/reset/hisilicon/Kconfig" +source "drivers/reset/spacemit/Kconfig" source "drivers/reset/starfive/Kconfig" source "drivers/reset/sti/Kconfig" -source "drivers/reset/hisilicon/Kconfig" source "drivers/reset/tegra/Kconfig" endif diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index f7934f9fb90b..fc0cc99f8514 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -2,6 +2,7 @@ obj-y += core.o obj-y += amlogic/ obj-y += hisilicon/ +obj-y += spacemit/ obj-y += starfive/ obj-y += sti/ obj-y += tegra/ @@ -13,6 +14,7 @@ obj-$(CONFIG_RESET_BCM6345) += reset-bcm6345.o obj-$(CONFIG_RESET_BERLIN) += reset-berlin.o obj-$(CONFIG_RESET_BRCMSTB) += reset-brcmstb.o obj-$(CONFIG_RESET_BRCMSTB_RESCAL) += reset-brcmstb-rescal.o +obj-$(CONFIG_RESET_EIC7700) += reset-eic7700.o obj-$(CONFIG_RESET_EYEQ) += reset-eyeq.o obj-$(CONFIG_RESET_GPIO) += reset-gpio.o obj-$(CONFIG_RESET_HSDK) += reset-hsdk.o @@ -37,7 +39,6 @@ obj-$(CONFIG_RESET_RZV2H_USB2PHY) += reset-rzv2h-usb2phy.o obj-$(CONFIG_RESET_SCMI) += reset-scmi.o obj-$(CONFIG_RESET_SIMPLE) += reset-simple.o obj-$(CONFIG_RESET_SOCFPGA) += reset-socfpga.o -obj-$(CONFIG_RESET_SPACEMIT) += reset-spacemit.o obj-$(CONFIG_RESET_SUNPLUS) += reset-sunplus.o obj-$(CONFIG_RESET_SUNXI) += reset-sunxi.o obj-$(CONFIG_RESET_TH1520) += reset-th1520.o diff --git a/drivers/reset/core.c b/drivers/reset/core.c index 22f67fc77ae5..fceec45c8afc 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c @@ -4,20 +4,22 @@ * * Copyright 2013 Philipp Zabel, Pengutronix */ + +#include <linux/acpi.h> #include <linux/atomic.h> +#include <linux/auxiliary_bus.h> #include <linux/cleanup.h> #include <linux/device.h> #include <linux/err.h> #include <linux/export.h> -#include <linux/kernel.h> -#include <linux/kref.h> #include <linux/gpio/driver.h> #include <linux/gpio/machine.h> +#include <linux/gpio/property.h> #include <linux/idr.h> +#include <linux/kernel.h> +#include <linux/kref.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/acpi.h> -#include <linux/platform_device.h> #include <linux/reset.h> #include <linux/reset-controller.h> #include <linux/slab.h> @@ -25,9 +27,6 @@ static DEFINE_MUTEX(reset_list_mutex); static LIST_HEAD(reset_controller_list); -static DEFINE_MUTEX(reset_lookup_mutex); -static LIST_HEAD(reset_lookup_list); - /* Protects reset_gpio_lookup_list */ static DEFINE_MUTEX(reset_gpio_lookup_mutex); static LIST_HEAD(reset_gpio_lookup_list); @@ -76,10 +75,12 @@ struct reset_control_array { /** * struct reset_gpio_lookup - lookup key for ad-hoc created reset-gpio devices * @of_args: phandle to the reset controller with all the args like GPIO number + * @swnode: Software node containing the reference to the GPIO provider * @list: list entry for the reset_gpio_lookup_list */ struct reset_gpio_lookup { struct of_phandle_args of_args; + struct fwnode_handle *swnode; struct list_head list; }; @@ -190,33 +191,6 @@ int devm_reset_controller_register(struct device *dev, } EXPORT_SYMBOL_GPL(devm_reset_controller_register); -/** - * reset_controller_add_lookup - register a set of lookup entries - * @lookup: array of reset lookup entries - * @num_entries: number of entries in the lookup array - */ -void reset_controller_add_lookup(struct reset_control_lookup *lookup, - unsigned int num_entries) -{ - struct reset_control_lookup *entry; - unsigned int i; - - mutex_lock(&reset_lookup_mutex); - for (i = 0; i < num_entries; i++) { - entry = &lookup[i]; - - if (!entry->dev_id || !entry->provider) { - pr_warn("%s(): reset lookup entry badly specified, skipping\n", - __func__); - continue; - } - - list_add_tail(&entry->list, &reset_lookup_list); - } - mutex_unlock(&reset_lookup_mutex); -} -EXPORT_SYMBOL_GPL(reset_controller_add_lookup); - static inline struct reset_control_array * rstc_to_array(struct reset_control *rstc) { return container_of(rstc, struct reset_control_array, base); @@ -804,7 +778,7 @@ __reset_control_get_internal(struct reset_controller_dev *rcdev, } } - rstc = kzalloc(sizeof(*rstc), GFP_KERNEL); + rstc = kzalloc_obj(*rstc); if (!rstc) return ERR_PTR(-ENOMEM); @@ -848,56 +822,45 @@ static void __reset_control_put_internal(struct reset_control *rstc) kref_put(&rstc->refcnt, __reset_control_release); } -static int __reset_add_reset_gpio_lookup(int id, struct device_node *np, - unsigned int gpio, - unsigned int of_flags) +static void reset_gpio_aux_device_release(struct device *dev) { - const struct fwnode_handle *fwnode = of_fwnode_handle(np); - unsigned int lookup_flags; - const char *label_tmp; - - /* - * Later we map GPIO flags between OF and Linux, however not all - * constants from include/dt-bindings/gpio/gpio.h and - * include/linux/gpio/machine.h match each other. - */ - if (of_flags > GPIO_ACTIVE_LOW) { - pr_err("reset-gpio code does not support GPIO flags %u for GPIO %u\n", - of_flags, gpio); - return -EINVAL; - } - - struct gpio_device *gdev __free(gpio_device_put) = gpio_device_find_by_fwnode(fwnode); - if (!gdev) - return -EPROBE_DEFER; + struct auxiliary_device *adev = to_auxiliary_dev(dev); - label_tmp = gpio_device_get_label(gdev); - if (!label_tmp) - return -EINVAL; + kfree(adev); +} - char *label __free(kfree) = kstrdup(label_tmp, GFP_KERNEL); - if (!label) - return -ENOMEM; +static int reset_add_gpio_aux_device(struct device *parent, + struct fwnode_handle *swnode, + int id, void *pdata) +{ + struct auxiliary_device *adev; + int ret; - /* Size: one lookup entry plus sentinel */ - struct gpiod_lookup_table *lookup __free(kfree) = kzalloc(struct_size(lookup, table, 2), - GFP_KERNEL); - if (!lookup) + adev = kzalloc_obj(*adev); + if (!adev) return -ENOMEM; - lookup->dev_id = kasprintf(GFP_KERNEL, "reset-gpio.%d", id); - if (!lookup->dev_id) - return -ENOMEM; + adev->id = id; + adev->name = "gpio"; + adev->dev.parent = parent; + adev->dev.platform_data = pdata; + adev->dev.release = reset_gpio_aux_device_release; + device_set_node(&adev->dev, swnode); - lookup_flags = GPIO_PERSISTENT; - lookup_flags |= of_flags & GPIO_ACTIVE_LOW; - lookup->table[0] = GPIO_LOOKUP(no_free_ptr(label), gpio, "reset", - lookup_flags); + ret = auxiliary_device_init(adev); + if (ret) { + kfree(adev); + return ret; + } - /* Not freed on success, because it is persisent subsystem data. */ - gpiod_add_lookup_table(no_free_ptr(lookup)); + ret = __auxiliary_device_add(adev, "reset"); + if (ret) { + auxiliary_device_uninit(adev); + kfree(adev); + return ret; + } - return 0; + return ret; } /* @@ -905,9 +868,11 @@ static int __reset_add_reset_gpio_lookup(int id, struct device_node *np, */ static int __reset_add_reset_gpio_device(const struct of_phandle_args *args) { + struct property_entry properties[3] = { }; + unsigned int offset, of_flags, lflags; struct reset_gpio_lookup *rgpio_dev; - struct platform_device *pdev; - int id, ret; + struct device *parent; + int id, ret, prop = 0; /* * Currently only #gpio-cells=2 is supported with the meaning of: @@ -925,6 +890,28 @@ static int __reset_add_reset_gpio_device(const struct of_phandle_args *args) */ lockdep_assert_not_held(&reset_list_mutex); + offset = args->args[0]; + of_flags = args->args[1]; + + /* + * Later we map GPIO flags between OF and Linux, however not all + * constants from include/dt-bindings/gpio/gpio.h and + * include/linux/gpio/machine.h match each other. + * + * FIXME: Find a better way of translating OF flags to GPIO lookup + * flags. + */ + if (of_flags > GPIO_ACTIVE_LOW) { + pr_err("reset-gpio code does not support GPIO flags %u for GPIO %u\n", + of_flags, offset); + return -EINVAL; + } + + struct gpio_device *gdev __free(gpio_device_put) = + gpio_device_find_by_fwnode(of_fwnode_handle(args->np)); + if (!gdev) + return -EPROBE_DEFER; + guard(mutex)(&reset_gpio_lookup_mutex); list_for_each_entry(rgpio_dev, &reset_gpio_lookup_list, list) { @@ -934,22 +921,22 @@ static int __reset_add_reset_gpio_device(const struct of_phandle_args *args) } } + lflags = GPIO_PERSISTENT | (of_flags & GPIO_ACTIVE_LOW); + parent = gpio_device_to_device(gdev); + properties[prop++] = PROPERTY_ENTRY_STRING("compatible", "reset-gpio"); + properties[prop++] = PROPERTY_ENTRY_GPIO("reset-gpios", parent->fwnode, offset, lflags); + id = ida_alloc(&reset_gpio_ida, GFP_KERNEL); if (id < 0) return id; /* Not freed on success, because it is persisent subsystem data. */ - rgpio_dev = kzalloc(sizeof(*rgpio_dev), GFP_KERNEL); + rgpio_dev = kzalloc_obj(*rgpio_dev); if (!rgpio_dev) { ret = -ENOMEM; goto err_ida_free; } - ret = __reset_add_reset_gpio_lookup(id, args->np, args->args[0], - args->args[1]); - if (ret < 0) - goto err_kfree; - rgpio_dev->of_args = *args; /* * We keep the device_node reference, but of_args.np is put at the end @@ -957,20 +944,26 @@ static int __reset_add_reset_gpio_device(const struct of_phandle_args *args) * Hold reference as long as rgpio_dev memory is valid. */ of_node_get(rgpio_dev->of_args.np); - pdev = platform_device_register_data(NULL, "reset-gpio", id, - &rgpio_dev->of_args, - sizeof(rgpio_dev->of_args)); - ret = PTR_ERR_OR_ZERO(pdev); + + rgpio_dev->swnode = fwnode_create_software_node(properties, NULL); + if (IS_ERR(rgpio_dev->swnode)) { + ret = PTR_ERR(rgpio_dev->swnode); + goto err_put_of_node; + } + + ret = reset_add_gpio_aux_device(parent, rgpio_dev->swnode, id, + &rgpio_dev->of_args); if (ret) - goto err_put; + goto err_del_swnode; list_add(&rgpio_dev->list, &reset_gpio_lookup_list); return 0; -err_put: +err_del_swnode: + fwnode_remove_software_node(rgpio_dev->swnode); +err_put_of_node: of_node_put(rgpio_dev->of_args.np); -err_kfree: kfree(rgpio_dev); err_ida_free: ida_free(&reset_gpio_ida, id); @@ -1081,75 +1074,12 @@ out_put: } EXPORT_SYMBOL_GPL(__of_reset_control_get); -static struct reset_controller_dev * -__reset_controller_by_name(const char *name) -{ - struct reset_controller_dev *rcdev; - - lockdep_assert_held(&reset_list_mutex); - - list_for_each_entry(rcdev, &reset_controller_list, list) { - if (!rcdev->dev) - continue; - - if (!strcmp(name, dev_name(rcdev->dev))) - return rcdev; - } - - return NULL; -} - -static struct reset_control * -__reset_control_get_from_lookup(struct device *dev, const char *con_id, - enum reset_control_flags flags) -{ - bool optional = flags & RESET_CONTROL_FLAGS_BIT_OPTIONAL; - const struct reset_control_lookup *lookup; - struct reset_controller_dev *rcdev; - const char *dev_id = dev_name(dev); - struct reset_control *rstc = NULL; - - mutex_lock(&reset_lookup_mutex); - - list_for_each_entry(lookup, &reset_lookup_list, list) { - if (strcmp(lookup->dev_id, dev_id)) - continue; - - if ((!con_id && !lookup->con_id) || - ((con_id && lookup->con_id) && - !strcmp(con_id, lookup->con_id))) { - mutex_lock(&reset_list_mutex); - rcdev = __reset_controller_by_name(lookup->provider); - if (!rcdev) { - mutex_unlock(&reset_list_mutex); - mutex_unlock(&reset_lookup_mutex); - /* Reset provider may not be ready yet. */ - return ERR_PTR(-EPROBE_DEFER); - } - - flags &= ~RESET_CONTROL_FLAGS_BIT_OPTIONAL; - - rstc = __reset_control_get_internal(rcdev, - lookup->index, - flags); - mutex_unlock(&reset_list_mutex); - break; - } - } - - mutex_unlock(&reset_lookup_mutex); - - if (!rstc) - return optional ? NULL : ERR_PTR(-ENOENT); - - return rstc; -} - struct reset_control *__reset_control_get(struct device *dev, const char *id, int index, enum reset_control_flags flags) { bool shared = flags & RESET_CONTROL_FLAGS_BIT_SHARED; bool acquired = flags & RESET_CONTROL_FLAGS_BIT_ACQUIRED; + bool optional = flags & RESET_CONTROL_FLAGS_BIT_OPTIONAL; if (WARN_ON(shared && acquired)) return ERR_PTR(-EINVAL); @@ -1157,7 +1087,7 @@ struct reset_control *__reset_control_get(struct device *dev, const char *id, if (dev->of_node) return __of_reset_control_get(dev->of_node, id, index, flags); - return __reset_control_get_from_lookup(dev, id, flags); + return optional ? NULL : ERR_PTR(-ENOENT); } EXPORT_SYMBOL_GPL(__reset_control_get); @@ -1430,7 +1360,7 @@ of_reset_control_array_get(struct device_node *np, enum reset_control_flags flag if (num < 0) return optional ? NULL : ERR_PTR(num); - resets = kzalloc(struct_size(resets, rstc, num), GFP_KERNEL); + resets = kzalloc_flex(*resets, rstc, num); if (!resets) return ERR_PTR(-ENOMEM); resets->num_rstcs = num; @@ -1492,31 +1422,6 @@ devm_reset_control_array_get(struct device *dev, enum reset_control_flags flags) } EXPORT_SYMBOL_GPL(devm_reset_control_array_get); -static int reset_control_get_count_from_lookup(struct device *dev) -{ - const struct reset_control_lookup *lookup; - const char *dev_id; - int count = 0; - - if (!dev) - return -EINVAL; - - dev_id = dev_name(dev); - mutex_lock(&reset_lookup_mutex); - - list_for_each_entry(lookup, &reset_lookup_list, list) { - if (!strcmp(lookup->dev_id, dev_id)) - count++; - } - - mutex_unlock(&reset_lookup_mutex); - - if (count == 0) - count = -ENOENT; - - return count; -} - /** * reset_control_get_count - Count number of resets available with a device * @@ -1530,6 +1435,6 @@ int reset_control_get_count(struct device *dev) if (dev->of_node) return of_reset_control_get_count(dev->of_node); - return reset_control_get_count_from_lookup(dev); + return -ENOENT; } EXPORT_SYMBOL_GPL(reset_control_get_count); diff --git a/drivers/reset/reset-eic7700.c b/drivers/reset/reset-eic7700.c new file mode 100644 index 000000000000..b72283b18b08 --- /dev/null +++ b/drivers/reset/reset-eic7700.c @@ -0,0 +1,429 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2025, Beijing ESWIN Computing Technology Co., Ltd.. + * All rights reserved. + * + * ESWIN Reset Driver + * + * Authors: + * Yifeng Huang <huangyifeng@eswincomputing.com> + * Xuyang Dong <dongxuyang@eswincomputing.com> + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/reset-controller.h> +#include <linux/slab.h> +#include <linux/types.h> + +#include <dt-bindings/reset/eswin,eic7700-reset.h> + +#define SYSCRG_CLEAR_BOOT_INFO_OFFSET 0xC +#define CLEAR_BOOT_FLAG_BIT BIT(0) +#define SYSCRG_RESET_OFFSET 0x100 + +/** + * struct eic7700_reset_data - reset controller information structure + * @rcdev: reset controller entity + * @regmap: regmap handle containing the memory-mapped reset registers + */ +struct eic7700_reset_data { + struct reset_controller_dev rcdev; + struct regmap *regmap; +}; + +static const struct regmap_config eic7700_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .max_register = 0x1fc, +}; + +struct eic7700_reg { + u32 reg; + u32 bit; +}; + +static inline struct eic7700_reset_data * +to_eic7700_reset_data(struct reset_controller_dev *rcdev) +{ + return container_of(rcdev, struct eic7700_reset_data, rcdev); +} + +#define EIC7700_RESET(id, reg, bit)[id] = \ + { SYSCRG_RESET_OFFSET + (reg) * sizeof(u32), BIT(bit) } + +/* mapping table for reset ID to register offset and reset bit */ +static const struct eic7700_reg eic7700_reset[] = { + EIC7700_RESET(EIC7700_RESET_NOC_NSP, 0, 0), + EIC7700_RESET(EIC7700_RESET_NOC_CFG, 0, 1), + EIC7700_RESET(EIC7700_RESET_RNOC_NSP, 0, 2), + EIC7700_RESET(EIC7700_RESET_SNOC_TCU, 0, 3), + EIC7700_RESET(EIC7700_RESET_SNOC_U84, 0, 4), + EIC7700_RESET(EIC7700_RESET_SNOC_PCIE_XSR, 0, 5), + EIC7700_RESET(EIC7700_RESET_SNOC_PCIE_XMR, 0, 6), + EIC7700_RESET(EIC7700_RESET_SNOC_PCIE_PR, 0, 7), + EIC7700_RESET(EIC7700_RESET_SNOC_NPU, 0, 8), + EIC7700_RESET(EIC7700_RESET_SNOC_JTAG, 0, 9), + EIC7700_RESET(EIC7700_RESET_SNOC_DSP, 0, 10), + EIC7700_RESET(EIC7700_RESET_SNOC_DDRC1_P2, 0, 11), + EIC7700_RESET(EIC7700_RESET_SNOC_DDRC1_P1, 0, 12), + EIC7700_RESET(EIC7700_RESET_SNOC_DDRC0_P2, 0, 13), + EIC7700_RESET(EIC7700_RESET_SNOC_DDRC0_P1, 0, 14), + EIC7700_RESET(EIC7700_RESET_SNOC_D2D, 0, 15), + EIC7700_RESET(EIC7700_RESET_SNOC_AON, 0, 16), + EIC7700_RESET(EIC7700_RESET_GPU_AXI, 1, 0), + EIC7700_RESET(EIC7700_RESET_GPU_CFG, 1, 1), + EIC7700_RESET(EIC7700_RESET_GPU_GRAY, 1, 2), + EIC7700_RESET(EIC7700_RESET_GPU_JONES, 1, 3), + EIC7700_RESET(EIC7700_RESET_GPU_SPU, 1, 4), + EIC7700_RESET(EIC7700_RESET_DSP_AXI, 2, 0), + EIC7700_RESET(EIC7700_RESET_DSP_CFG, 2, 1), + EIC7700_RESET(EIC7700_RESET_DSP_DIV4, 2, 2), + EIC7700_RESET(EIC7700_RESET_DSP_DIV0, 2, 4), + EIC7700_RESET(EIC7700_RESET_DSP_DIV1, 2, 5), + EIC7700_RESET(EIC7700_RESET_DSP_DIV2, 2, 6), + EIC7700_RESET(EIC7700_RESET_DSP_DIV3, 2, 7), + EIC7700_RESET(EIC7700_RESET_D2D_AXI, 3, 0), + EIC7700_RESET(EIC7700_RESET_D2D_CFG, 3, 1), + EIC7700_RESET(EIC7700_RESET_D2D_PRST, 3, 2), + EIC7700_RESET(EIC7700_RESET_D2D_RAW_PCS, 3, 4), + EIC7700_RESET(EIC7700_RESET_D2D_RX, 3, 5), + EIC7700_RESET(EIC7700_RESET_D2D_TX, 3, 6), + EIC7700_RESET(EIC7700_RESET_D2D_CORE, 3, 7), + EIC7700_RESET(EIC7700_RESET_DDR1_ARST, 4, 0), + EIC7700_RESET(EIC7700_RESET_DDR1_TRACE, 4, 6), + EIC7700_RESET(EIC7700_RESET_DDR0_ARST, 4, 16), + EIC7700_RESET(EIC7700_RESET_DDR_CFG, 4, 21), + EIC7700_RESET(EIC7700_RESET_DDR0_TRACE, 4, 22), + EIC7700_RESET(EIC7700_RESET_DDR_CORE, 4, 23), + EIC7700_RESET(EIC7700_RESET_DDR_PRST, 4, 26), + EIC7700_RESET(EIC7700_RESET_TCU_AXI, 5, 0), + EIC7700_RESET(EIC7700_RESET_TCU_CFG, 5, 1), + EIC7700_RESET(EIC7700_RESET_TCU_TBU0, 5, 4), + EIC7700_RESET(EIC7700_RESET_TCU_TBU1, 5, 5), + EIC7700_RESET(EIC7700_RESET_TCU_TBU2, 5, 6), + EIC7700_RESET(EIC7700_RESET_TCU_TBU3, 5, 7), + EIC7700_RESET(EIC7700_RESET_TCU_TBU4, 5, 8), + EIC7700_RESET(EIC7700_RESET_TCU_TBU5, 5, 9), + EIC7700_RESET(EIC7700_RESET_TCU_TBU6, 5, 10), + EIC7700_RESET(EIC7700_RESET_TCU_TBU7, 5, 11), + EIC7700_RESET(EIC7700_RESET_TCU_TBU8, 5, 12), + EIC7700_RESET(EIC7700_RESET_TCU_TBU9, 5, 13), + EIC7700_RESET(EIC7700_RESET_TCU_TBU10, 5, 14), + EIC7700_RESET(EIC7700_RESET_TCU_TBU11, 5, 15), + EIC7700_RESET(EIC7700_RESET_TCU_TBU12, 5, 16), + EIC7700_RESET(EIC7700_RESET_TCU_TBU13, 5, 17), + EIC7700_RESET(EIC7700_RESET_TCU_TBU14, 5, 18), + EIC7700_RESET(EIC7700_RESET_TCU_TBU15, 5, 19), + EIC7700_RESET(EIC7700_RESET_TCU_TBU16, 5, 20), + EIC7700_RESET(EIC7700_RESET_NPU_AXI, 6, 0), + EIC7700_RESET(EIC7700_RESET_NPU_CFG, 6, 1), + EIC7700_RESET(EIC7700_RESET_NPU_CORE, 6, 2), + EIC7700_RESET(EIC7700_RESET_NPU_E31CORE, 6, 3), + EIC7700_RESET(EIC7700_RESET_NPU_E31BUS, 6, 4), + EIC7700_RESET(EIC7700_RESET_NPU_E31DBG, 6, 5), + EIC7700_RESET(EIC7700_RESET_NPU_LLC, 6, 6), + EIC7700_RESET(EIC7700_RESET_HSP_AXI, 7, 0), + EIC7700_RESET(EIC7700_RESET_HSP_CFG, 7, 1), + EIC7700_RESET(EIC7700_RESET_HSP_POR, 7, 2), + EIC7700_RESET(EIC7700_RESET_MSHC0_PHY, 7, 3), + EIC7700_RESET(EIC7700_RESET_MSHC1_PHY, 7, 4), + EIC7700_RESET(EIC7700_RESET_MSHC2_PHY, 7, 5), + EIC7700_RESET(EIC7700_RESET_MSHC0_TXRX, 7, 6), + EIC7700_RESET(EIC7700_RESET_MSHC1_TXRX, 7, 7), + EIC7700_RESET(EIC7700_RESET_MSHC2_TXRX, 7, 8), + EIC7700_RESET(EIC7700_RESET_SATA_ASIC0, 7, 9), + EIC7700_RESET(EIC7700_RESET_SATA_OOB, 7, 10), + EIC7700_RESET(EIC7700_RESET_SATA_PMALIVE, 7, 11), + EIC7700_RESET(EIC7700_RESET_SATA_RBC, 7, 12), + EIC7700_RESET(EIC7700_RESET_DMA0, 7, 13), + EIC7700_RESET(EIC7700_RESET_HSP_DMA, 7, 14), + EIC7700_RESET(EIC7700_RESET_USB0_VAUX, 7, 15), + EIC7700_RESET(EIC7700_RESET_USB1_VAUX, 7, 16), + EIC7700_RESET(EIC7700_RESET_HSP_SD1_PRST, 7, 17), + EIC7700_RESET(EIC7700_RESET_HSP_SD0_PRST, 7, 18), + EIC7700_RESET(EIC7700_RESET_HSP_EMMC_PRST, 7, 19), + EIC7700_RESET(EIC7700_RESET_HSP_DMA_PRST, 7, 20), + EIC7700_RESET(EIC7700_RESET_HSP_SD1_ARST, 7, 21), + EIC7700_RESET(EIC7700_RESET_HSP_SD0_ARST, 7, 22), + EIC7700_RESET(EIC7700_RESET_HSP_EMMC_ARST, 7, 23), + EIC7700_RESET(EIC7700_RESET_HSP_DMA_ARST, 7, 24), + EIC7700_RESET(EIC7700_RESET_HSP_ETH1_ARST, 7, 25), + EIC7700_RESET(EIC7700_RESET_HSP_ETH0_ARST, 7, 26), + EIC7700_RESET(EIC7700_RESET_SATA_ARST, 7, 27), + EIC7700_RESET(EIC7700_RESET_PCIE_CFG, 8, 0), + EIC7700_RESET(EIC7700_RESET_PCIE_POWEUP, 8, 1), + EIC7700_RESET(EIC7700_RESET_PCIE_PERST, 8, 2), + EIC7700_RESET(EIC7700_RESET_I2C0, 9, 0), + EIC7700_RESET(EIC7700_RESET_I2C1, 9, 1), + EIC7700_RESET(EIC7700_RESET_I2C2, 9, 2), + EIC7700_RESET(EIC7700_RESET_I2C3, 9, 3), + EIC7700_RESET(EIC7700_RESET_I2C4, 9, 4), + EIC7700_RESET(EIC7700_RESET_I2C5, 9, 5), + EIC7700_RESET(EIC7700_RESET_I2C6, 9, 6), + EIC7700_RESET(EIC7700_RESET_I2C7, 9, 7), + EIC7700_RESET(EIC7700_RESET_I2C8, 9, 8), + EIC7700_RESET(EIC7700_RESET_I2C9, 9, 9), + EIC7700_RESET(EIC7700_RESET_FAN, 10, 0), + EIC7700_RESET(EIC7700_RESET_PVT0, 11, 0), + EIC7700_RESET(EIC7700_RESET_PVT1, 11, 1), + EIC7700_RESET(EIC7700_RESET_MBOX0, 12, 0), + EIC7700_RESET(EIC7700_RESET_MBOX1, 12, 1), + EIC7700_RESET(EIC7700_RESET_MBOX2, 12, 2), + EIC7700_RESET(EIC7700_RESET_MBOX3, 12, 3), + EIC7700_RESET(EIC7700_RESET_MBOX4, 12, 4), + EIC7700_RESET(EIC7700_RESET_MBOX5, 12, 5), + EIC7700_RESET(EIC7700_RESET_MBOX6, 12, 6), + EIC7700_RESET(EIC7700_RESET_MBOX7, 12, 7), + EIC7700_RESET(EIC7700_RESET_MBOX8, 12, 8), + EIC7700_RESET(EIC7700_RESET_MBOX9, 12, 9), + EIC7700_RESET(EIC7700_RESET_MBOX10, 12, 10), + EIC7700_RESET(EIC7700_RESET_MBOX11, 12, 11), + EIC7700_RESET(EIC7700_RESET_MBOX12, 12, 12), + EIC7700_RESET(EIC7700_RESET_MBOX13, 12, 13), + EIC7700_RESET(EIC7700_RESET_MBOX14, 12, 14), + EIC7700_RESET(EIC7700_RESET_MBOX15, 12, 15), + EIC7700_RESET(EIC7700_RESET_UART0, 13, 0), + EIC7700_RESET(EIC7700_RESET_UART1, 13, 1), + EIC7700_RESET(EIC7700_RESET_UART2, 13, 2), + EIC7700_RESET(EIC7700_RESET_UART3, 13, 3), + EIC7700_RESET(EIC7700_RESET_UART4, 13, 4), + EIC7700_RESET(EIC7700_RESET_GPIO0, 14, 0), + EIC7700_RESET(EIC7700_RESET_GPIO1, 14, 1), + EIC7700_RESET(EIC7700_RESET_TIMER, 15, 0), + EIC7700_RESET(EIC7700_RESET_SSI0, 16, 0), + EIC7700_RESET(EIC7700_RESET_SSI1, 16, 1), + EIC7700_RESET(EIC7700_RESET_WDT0, 17, 0), + EIC7700_RESET(EIC7700_RESET_WDT1, 17, 1), + EIC7700_RESET(EIC7700_RESET_WDT2, 17, 2), + EIC7700_RESET(EIC7700_RESET_WDT3, 17, 3), + EIC7700_RESET(EIC7700_RESET_LSP_CFG, 18, 0), + EIC7700_RESET(EIC7700_RESET_U84_CORE0, 19, 0), + EIC7700_RESET(EIC7700_RESET_U84_CORE1, 19, 1), + EIC7700_RESET(EIC7700_RESET_U84_CORE2, 19, 2), + EIC7700_RESET(EIC7700_RESET_U84_CORE3, 19, 3), + EIC7700_RESET(EIC7700_RESET_U84_BUS, 19, 4), + EIC7700_RESET(EIC7700_RESET_U84_DBG, 19, 5), + EIC7700_RESET(EIC7700_RESET_U84_TRACECOM, 19, 6), + EIC7700_RESET(EIC7700_RESET_U84_TRACE0, 19, 8), + EIC7700_RESET(EIC7700_RESET_U84_TRACE1, 19, 9), + EIC7700_RESET(EIC7700_RESET_U84_TRACE2, 19, 10), + EIC7700_RESET(EIC7700_RESET_U84_TRACE3, 19, 11), + EIC7700_RESET(EIC7700_RESET_SCPU_CORE, 20, 0), + EIC7700_RESET(EIC7700_RESET_SCPU_BUS, 20, 1), + EIC7700_RESET(EIC7700_RESET_SCPU_DBG, 20, 2), + EIC7700_RESET(EIC7700_RESET_LPCPU_CORE, 21, 0), + EIC7700_RESET(EIC7700_RESET_LPCPU_BUS, 21, 1), + EIC7700_RESET(EIC7700_RESET_LPCPU_DBG, 21, 2), + EIC7700_RESET(EIC7700_RESET_VC_CFG, 22, 0), + EIC7700_RESET(EIC7700_RESET_VC_AXI, 22, 1), + EIC7700_RESET(EIC7700_RESET_VC_MONCFG, 22, 2), + EIC7700_RESET(EIC7700_RESET_JD_CFG, 23, 0), + EIC7700_RESET(EIC7700_RESET_JD_AXI, 23, 1), + EIC7700_RESET(EIC7700_RESET_JE_CFG, 24, 0), + EIC7700_RESET(EIC7700_RESET_JE_AXI, 24, 1), + EIC7700_RESET(EIC7700_RESET_VD_CFG, 25, 0), + EIC7700_RESET(EIC7700_RESET_VD_AXI, 25, 1), + EIC7700_RESET(EIC7700_RESET_VE_AXI, 26, 0), + EIC7700_RESET(EIC7700_RESET_VE_CFG, 26, 1), + EIC7700_RESET(EIC7700_RESET_G2D_CORE, 27, 0), + EIC7700_RESET(EIC7700_RESET_G2D_CFG, 27, 1), + EIC7700_RESET(EIC7700_RESET_G2D_AXI, 27, 2), + EIC7700_RESET(EIC7700_RESET_VI_AXI, 28, 0), + EIC7700_RESET(EIC7700_RESET_VI_CFG, 28, 1), + EIC7700_RESET(EIC7700_RESET_VI_DWE, 28, 2), + EIC7700_RESET(EIC7700_RESET_DVP, 29, 0), + EIC7700_RESET(EIC7700_RESET_ISP0, 30, 0), + EIC7700_RESET(EIC7700_RESET_ISP1, 31, 0), + EIC7700_RESET(EIC7700_RESET_SHUTTR0, 32, 0), + EIC7700_RESET(EIC7700_RESET_SHUTTR1, 32, 1), + EIC7700_RESET(EIC7700_RESET_SHUTTR2, 32, 2), + EIC7700_RESET(EIC7700_RESET_SHUTTR3, 32, 3), + EIC7700_RESET(EIC7700_RESET_SHUTTR4, 32, 4), + EIC7700_RESET(EIC7700_RESET_SHUTTR5, 32, 5), + EIC7700_RESET(EIC7700_RESET_VO_MIPI, 33, 0), + EIC7700_RESET(EIC7700_RESET_VO_PRST, 33, 1), + EIC7700_RESET(EIC7700_RESET_VO_HDMI_PRST, 33, 3), + EIC7700_RESET(EIC7700_RESET_VO_HDMI_PHY, 33, 4), + EIC7700_RESET(EIC7700_RESET_VO_HDMI, 33, 5), + EIC7700_RESET(EIC7700_RESET_VO_I2S, 34, 0), + EIC7700_RESET(EIC7700_RESET_VO_I2S_PRST, 34, 1), + EIC7700_RESET(EIC7700_RESET_VO_AXI, 35, 0), + EIC7700_RESET(EIC7700_RESET_VO_CFG, 35, 1), + EIC7700_RESET(EIC7700_RESET_VO_DC, 35, 2), + EIC7700_RESET(EIC7700_RESET_VO_DC_PRST, 35, 3), + EIC7700_RESET(EIC7700_RESET_BOOTSPI_HRST, 36, 0), + EIC7700_RESET(EIC7700_RESET_BOOTSPI, 36, 1), + EIC7700_RESET(EIC7700_RESET_ANO1, 37, 0), + EIC7700_RESET(EIC7700_RESET_ANO0, 38, 0), + EIC7700_RESET(EIC7700_RESET_DMA1_ARST, 39, 0), + EIC7700_RESET(EIC7700_RESET_DMA1_HRST, 39, 1), + EIC7700_RESET(EIC7700_RESET_FPRT, 40, 0), + EIC7700_RESET(EIC7700_RESET_HBLOCK, 41, 0), + EIC7700_RESET(EIC7700_RESET_SECSR, 42, 0), + EIC7700_RESET(EIC7700_RESET_OTP, 43, 0), + EIC7700_RESET(EIC7700_RESET_PKA, 44, 0), + EIC7700_RESET(EIC7700_RESET_SPACC, 45, 0), + EIC7700_RESET(EIC7700_RESET_TRNG, 46, 0), + EIC7700_RESET(EIC7700_RESET_TIMER0_0, 48, 0), + EIC7700_RESET(EIC7700_RESET_TIMER0_1, 48, 1), + EIC7700_RESET(EIC7700_RESET_TIMER0_2, 48, 2), + EIC7700_RESET(EIC7700_RESET_TIMER0_3, 48, 3), + EIC7700_RESET(EIC7700_RESET_TIMER0_4, 48, 4), + EIC7700_RESET(EIC7700_RESET_TIMER0_5, 48, 5), + EIC7700_RESET(EIC7700_RESET_TIMER0_6, 48, 6), + EIC7700_RESET(EIC7700_RESET_TIMER0_7, 48, 7), + EIC7700_RESET(EIC7700_RESET_TIMER0_N, 48, 8), + EIC7700_RESET(EIC7700_RESET_TIMER1_0, 49, 0), + EIC7700_RESET(EIC7700_RESET_TIMER1_1, 49, 1), + EIC7700_RESET(EIC7700_RESET_TIMER1_2, 49, 2), + EIC7700_RESET(EIC7700_RESET_TIMER1_3, 49, 3), + EIC7700_RESET(EIC7700_RESET_TIMER1_4, 49, 4), + EIC7700_RESET(EIC7700_RESET_TIMER1_5, 49, 5), + EIC7700_RESET(EIC7700_RESET_TIMER1_6, 49, 6), + EIC7700_RESET(EIC7700_RESET_TIMER1_7, 49, 7), + EIC7700_RESET(EIC7700_RESET_TIMER1_N, 49, 8), + EIC7700_RESET(EIC7700_RESET_TIMER2_0, 50, 0), + EIC7700_RESET(EIC7700_RESET_TIMER2_1, 50, 1), + EIC7700_RESET(EIC7700_RESET_TIMER2_2, 50, 2), + EIC7700_RESET(EIC7700_RESET_TIMER2_3, 50, 3), + EIC7700_RESET(EIC7700_RESET_TIMER2_4, 50, 4), + EIC7700_RESET(EIC7700_RESET_TIMER2_5, 50, 5), + EIC7700_RESET(EIC7700_RESET_TIMER2_6, 50, 6), + EIC7700_RESET(EIC7700_RESET_TIMER2_7, 50, 7), + EIC7700_RESET(EIC7700_RESET_TIMER2_N, 50, 8), + EIC7700_RESET(EIC7700_RESET_TIMER3_0, 51, 0), + EIC7700_RESET(EIC7700_RESET_TIMER3_1, 51, 1), + EIC7700_RESET(EIC7700_RESET_TIMER3_2, 51, 2), + EIC7700_RESET(EIC7700_RESET_TIMER3_3, 51, 3), + EIC7700_RESET(EIC7700_RESET_TIMER3_4, 51, 4), + EIC7700_RESET(EIC7700_RESET_TIMER3_5, 51, 5), + EIC7700_RESET(EIC7700_RESET_TIMER3_6, 51, 6), + EIC7700_RESET(EIC7700_RESET_TIMER3_7, 51, 7), + EIC7700_RESET(EIC7700_RESET_TIMER3_N, 51, 8), + EIC7700_RESET(EIC7700_RESET_RTC, 52, 0), + EIC7700_RESET(EIC7700_RESET_MNOC_SNOC_NSP, 53, 0), + EIC7700_RESET(EIC7700_RESET_MNOC_VC, 53, 1), + EIC7700_RESET(EIC7700_RESET_MNOC_CFG, 53, 2), + EIC7700_RESET(EIC7700_RESET_MNOC_HSP, 53, 3), + EIC7700_RESET(EIC7700_RESET_MNOC_GPU, 53, 4), + EIC7700_RESET(EIC7700_RESET_MNOC_DDRC1_P3, 53, 5), + EIC7700_RESET(EIC7700_RESET_MNOC_DDRC0_P3, 53, 6), + EIC7700_RESET(EIC7700_RESET_RNOC_VO, 54, 0), + EIC7700_RESET(EIC7700_RESET_RNOC_VI, 54, 1), + EIC7700_RESET(EIC7700_RESET_RNOC_SNOC_NSP, 54, 2), + EIC7700_RESET(EIC7700_RESET_RNOC_CFG, 54, 3), + EIC7700_RESET(EIC7700_RESET_MNOC_DDRC1_P4, 54, 4), + EIC7700_RESET(EIC7700_RESET_MNOC_DDRC0_P4, 54, 5), + EIC7700_RESET(EIC7700_RESET_CNOC_VO_CFG, 55, 0), + EIC7700_RESET(EIC7700_RESET_CNOC_VI_CFG, 55, 1), + EIC7700_RESET(EIC7700_RESET_CNOC_VC_CFG, 55, 2), + EIC7700_RESET(EIC7700_RESET_CNOC_TCU_CFG, 55, 3), + EIC7700_RESET(EIC7700_RESET_CNOC_PCIE_CFG, 55, 4), + EIC7700_RESET(EIC7700_RESET_CNOC_NPU_CFG, 55, 5), + EIC7700_RESET(EIC7700_RESET_CNOC_LSP_CFG, 55, 6), + EIC7700_RESET(EIC7700_RESET_CNOC_HSP_CFG, 55, 7), + EIC7700_RESET(EIC7700_RESET_CNOC_GPU_CFG, 55, 8), + EIC7700_RESET(EIC7700_RESET_CNOC_DSPT_CFG, 55, 9), + EIC7700_RESET(EIC7700_RESET_CNOC_DDRT1_CFG, 55, 10), + EIC7700_RESET(EIC7700_RESET_CNOC_DDRT0_CFG, 55, 11), + EIC7700_RESET(EIC7700_RESET_CNOC_D2D_CFG, 55, 12), + EIC7700_RESET(EIC7700_RESET_CNOC_CFG, 55, 13), + EIC7700_RESET(EIC7700_RESET_CNOC_CLMM_CFG, 55, 14), + EIC7700_RESET(EIC7700_RESET_CNOC_AON_CFG, 55, 15), + EIC7700_RESET(EIC7700_RESET_LNOC_CFG, 56, 0), + EIC7700_RESET(EIC7700_RESET_LNOC_NPU_LLC, 56, 1), + EIC7700_RESET(EIC7700_RESET_LNOC_DDRC1_P0, 56, 2), + EIC7700_RESET(EIC7700_RESET_LNOC_DDRC0_P0, 56, 3), +}; + +static int eic7700_reset_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct eic7700_reset_data *data = to_eic7700_reset_data(rcdev); + + return regmap_clear_bits(data->regmap, eic7700_reset[id].reg, + eic7700_reset[id].bit); +} + +static int eic7700_reset_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct eic7700_reset_data *data = to_eic7700_reset_data(rcdev); + + return regmap_set_bits(data->regmap, eic7700_reset[id].reg, + eic7700_reset[id].bit); +} + +static int eic7700_reset_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + int ret; + + ret = eic7700_reset_assert(rcdev, id); + if (ret) + return ret; + + usleep_range(10, 15); + + return eic7700_reset_deassert(rcdev, id); +} + +static const struct reset_control_ops eic7700_reset_ops = { + .reset = eic7700_reset_reset, + .assert = eic7700_reset_assert, + .deassert = eic7700_reset_deassert, +}; + +static const struct of_device_id eic7700_reset_dt_ids[] = { + { .compatible = "eswin,eic7700-reset", }, + { /* sentinel */ } +}; + +static int eic7700_reset_probe(struct platform_device *pdev) +{ + struct eic7700_reset_data *data; + struct device *dev = &pdev->dev; + void __iomem *base; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + data->regmap = devm_regmap_init_mmio(dev, base, &eic7700_regmap_config); + if (IS_ERR(data->regmap)) + return dev_err_probe(dev, PTR_ERR(data->regmap), + "failed to get regmap!\n"); + + data->rcdev.owner = THIS_MODULE; + data->rcdev.ops = &eic7700_reset_ops; + data->rcdev.of_node = dev->of_node; + data->rcdev.of_reset_n_cells = 1; + data->rcdev.dev = dev; + data->rcdev.nr_resets = ARRAY_SIZE(eic7700_reset); + + /* clear boot flag so u84 and scpu could be reseted by software */ + regmap_set_bits(data->regmap, SYSCRG_CLEAR_BOOT_INFO_OFFSET, + CLEAR_BOOT_FLAG_BIT); + msleep(50); + + return devm_reset_controller_register(dev, &data->rcdev); +} + +static struct platform_driver eic7700_reset_driver = { + .probe = eic7700_reset_probe, + .driver = { + .name = "eic7700-reset", + .of_match_table = eic7700_reset_dt_ids, + }, +}; + +builtin_platform_driver(eic7700_reset_driver); diff --git a/drivers/reset/reset-gpio.c b/drivers/reset/reset-gpio.c index 2290b25b6703..0a1610d9e78a 100644 --- a/drivers/reset/reset-gpio.c +++ b/drivers/reset/reset-gpio.c @@ -1,10 +1,10 @@ // SPDX-License-Identifier: GPL-2.0 +#include <linux/auxiliary_bus.h> #include <linux/gpio/consumer.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/platform_device.h> #include <linux/reset-controller.h> struct reset_gpio_priv { @@ -22,9 +22,7 @@ static int reset_gpio_assert(struct reset_controller_dev *rc, unsigned long id) { struct reset_gpio_priv *priv = rc_to_reset_gpio(rc); - gpiod_set_value_cansleep(priv->reset, 1); - - return 0; + return gpiod_set_value_cansleep(priv->reset, 1); } static int reset_gpio_deassert(struct reset_controller_dev *rc, @@ -32,9 +30,7 @@ static int reset_gpio_deassert(struct reset_controller_dev *rc, { struct reset_gpio_priv *priv = rc_to_reset_gpio(rc); - gpiod_set_value_cansleep(priv->reset, 0); - - return 0; + return gpiod_set_value_cansleep(priv->reset, 0); } static int reset_gpio_status(struct reset_controller_dev *rc, unsigned long id) @@ -61,9 +57,10 @@ static void reset_gpio_of_node_put(void *data) of_node_put(data); } -static int reset_gpio_probe(struct platform_device *pdev) +static int reset_gpio_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) { - struct device *dev = &pdev->dev; + struct device *dev = &adev->dev; struct of_phandle_args *platdata = dev_get_platdata(dev); struct reset_gpio_priv *priv; int ret; @@ -75,7 +72,7 @@ static int reset_gpio_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - platform_set_drvdata(pdev, &priv->rc); + auxiliary_set_drvdata(adev, &priv->rc); priv->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(priv->reset)) @@ -99,20 +96,21 @@ static int reset_gpio_probe(struct platform_device *pdev) return devm_reset_controller_register(dev, &priv->rc); } -static const struct platform_device_id reset_gpio_ids[] = { - { .name = "reset-gpio", }, +static const struct auxiliary_device_id reset_gpio_ids[] = { + { .name = "reset.gpio" }, {} }; -MODULE_DEVICE_TABLE(platform, reset_gpio_ids); +MODULE_DEVICE_TABLE(auxiliary, reset_gpio_ids); -static struct platform_driver reset_gpio_driver = { +static struct auxiliary_driver reset_gpio_driver = { .probe = reset_gpio_probe, .id_table = reset_gpio_ids, .driver = { .name = "reset-gpio", + .suppress_bind_attrs = true, }, }; -module_platform_driver(reset_gpio_driver); +module_auxiliary_driver(reset_gpio_driver); MODULE_AUTHOR("Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>"); MODULE_DESCRIPTION("Generic GPIO reset driver"); diff --git a/drivers/reset/reset-imx8mp-audiomix.c b/drivers/reset/reset-imx8mp-audiomix.c index eceb37ff5dc5..b7fa3110f282 100644 --- a/drivers/reset/reset-imx8mp-audiomix.c +++ b/drivers/reset/reset-imx8mp-audiomix.c @@ -3,22 +3,23 @@ * Copyright 2024 NXP */ +#include <dt-bindings/reset/fsl,imx8ulp-sim-lpav.h> #include <dt-bindings/reset/imx8mp-reset-audiomix.h> #include <linux/auxiliary_bus.h> +#include <linux/bits.h> #include <linux/device.h> #include <linux/io.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/regmap.h> #include <linux/reset-controller.h> #define IMX8MP_AUDIOMIX_EARC_RESET_OFFSET 0x200 -#define IMX8MP_AUDIOMIX_EARC_RESET_MASK BIT(0) -#define IMX8MP_AUDIOMIX_EARC_PHY_RESET_MASK BIT(1) - #define IMX8MP_AUDIOMIX_DSP_RUNSTALL_OFFSET 0x108 -#define IMX8MP_AUDIOMIX_DSP_RUNSTALL_MASK BIT(5) + +#define IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET 0x8 struct imx8mp_reset_map { unsigned int offset; @@ -26,28 +27,76 @@ struct imx8mp_reset_map { bool active_low; }; -static const struct imx8mp_reset_map reset_map[] = { +struct imx8mp_reset_info { + const struct imx8mp_reset_map *map; + int num_lines; +}; + +static const struct imx8mp_reset_map imx8mp_reset_map[] = { [IMX8MP_AUDIOMIX_EARC_RESET] = { .offset = IMX8MP_AUDIOMIX_EARC_RESET_OFFSET, - .mask = IMX8MP_AUDIOMIX_EARC_RESET_MASK, + .mask = BIT(0), .active_low = true, }, [IMX8MP_AUDIOMIX_EARC_PHY_RESET] = { .offset = IMX8MP_AUDIOMIX_EARC_RESET_OFFSET, - .mask = IMX8MP_AUDIOMIX_EARC_PHY_RESET_MASK, + .mask = BIT(1), .active_low = true, }, [IMX8MP_AUDIOMIX_DSP_RUNSTALL] = { .offset = IMX8MP_AUDIOMIX_DSP_RUNSTALL_OFFSET, - .mask = IMX8MP_AUDIOMIX_DSP_RUNSTALL_MASK, + .mask = BIT(5), .active_low = false, }, }; +static const struct imx8mp_reset_info imx8mp_reset_info = { + .map = imx8mp_reset_map, + .num_lines = ARRAY_SIZE(imx8mp_reset_map), +}; + +static const struct imx8mp_reset_map imx8ulp_reset_map[] = { + [IMX8ULP_SIM_LPAV_HIFI4_DSP_DBG_RST] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(25), + .active_low = false, + }, + [IMX8ULP_SIM_LPAV_HIFI4_DSP_RST] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(16), + .active_low = false, + }, + [IMX8ULP_SIM_LPAV_HIFI4_DSP_STALL] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(13), + .active_low = false, + }, + [IMX8ULP_SIM_LPAV_DSI_RST_BYTE_N] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(5), + .active_low = true, + }, + [IMX8ULP_SIM_LPAV_DSI_RST_ESC_N] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(4), + .active_low = true, + }, + [IMX8ULP_SIM_LPAV_DSI_RST_DPI_N] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(3), + .active_low = true, + }, +}; + +static const struct imx8mp_reset_info imx8ulp_reset_info = { + .map = imx8ulp_reset_map, + .num_lines = ARRAY_SIZE(imx8ulp_reset_map), +}; + struct imx8mp_audiomix_reset { struct reset_controller_dev rcdev; - spinlock_t lock; /* protect register read-modify-write cycle */ - void __iomem *base; + struct regmap *regmap; + const struct imx8mp_reset_map *map; }; static struct imx8mp_audiomix_reset *to_imx8mp_audiomix_reset(struct reset_controller_dev *rcdev) @@ -59,26 +108,15 @@ static int imx8mp_audiomix_update(struct reset_controller_dev *rcdev, unsigned long id, bool assert) { struct imx8mp_audiomix_reset *priv = to_imx8mp_audiomix_reset(rcdev); - void __iomem *reg_addr = priv->base; - unsigned int mask, offset, active_low; - unsigned long reg, flags; + const struct imx8mp_reset_map *reset_map = priv->map; + unsigned int mask, offset, active_low, val; mask = reset_map[id].mask; offset = reset_map[id].offset; active_low = reset_map[id].active_low; + val = (active_low ^ assert) ? mask : ~mask; - spin_lock_irqsave(&priv->lock, flags); - - reg = readl(reg_addr + offset); - if (active_low ^ assert) - reg |= mask; - else - reg &= ~mask; - writel(reg, reg_addr + offset); - - spin_unlock_irqrestore(&priv->lock, flags); - - return 0; + return regmap_update_bits(priv->regmap, offset, mask, val); } static int imx8mp_audiomix_reset_assert(struct reset_controller_dev *rcdev, @@ -98,52 +136,96 @@ static const struct reset_control_ops imx8mp_audiomix_reset_ops = { .deassert = imx8mp_audiomix_reset_deassert, }; +static const struct regmap_config regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; + +/* assumption: registered only if not using parent regmap */ +static void imx8mp_audiomix_reset_iounmap(void *data) +{ + void __iomem *base = (void __iomem *)data; + + iounmap(base); +} + +static int imx8mp_audiomix_reset_get_regmap(struct imx8mp_audiomix_reset *priv) +{ + void __iomem *base; + struct device *dev; + int ret; + + dev = priv->rcdev.dev; + + /* try to use the parent's regmap */ + priv->regmap = dev_get_regmap(dev->parent, NULL); + if (priv->regmap) + return 0; + + /* ... if that's not possible then initialize the regmap right now */ + base = of_iomap(dev->parent->of_node, 0); + if (!base) + return dev_err_probe(dev, -ENOMEM, "failed to iomap address space\n"); + + ret = devm_add_action_or_reset(dev, + imx8mp_audiomix_reset_iounmap, + (void __force *)base); + if (ret) + return dev_err_probe(dev, ret, "failed to register action\n"); + + priv->regmap = devm_regmap_init_mmio(dev, base, ®map_config); + if (IS_ERR(priv->regmap)) + return dev_err_probe(dev, PTR_ERR(priv->regmap), + "failed to initialize regmap\n"); + + return 0; +} + static int imx8mp_audiomix_reset_probe(struct auxiliary_device *adev, const struct auxiliary_device_id *id) { + const struct imx8mp_reset_info *rinfo; struct imx8mp_audiomix_reset *priv; struct device *dev = &adev->dev; int ret; + rinfo = (void *)id->driver_data; + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - spin_lock_init(&priv->lock); - priv->rcdev.owner = THIS_MODULE; - priv->rcdev.nr_resets = ARRAY_SIZE(reset_map); + priv->map = rinfo->map; + priv->rcdev.nr_resets = rinfo->num_lines; priv->rcdev.ops = &imx8mp_audiomix_reset_ops; priv->rcdev.of_node = dev->parent->of_node; priv->rcdev.dev = dev; priv->rcdev.of_reset_n_cells = 1; - priv->base = of_iomap(dev->parent->of_node, 0); - if (!priv->base) - return -ENOMEM; dev_set_drvdata(dev, priv); + ret = imx8mp_audiomix_reset_get_regmap(priv); + if (ret) + return dev_err_probe(dev, ret, "failed to get regmap\n"); + ret = devm_reset_controller_register(dev, &priv->rcdev); if (ret) - goto out_unmap; + return dev_err_probe(dev, ret, + "failed to register reset controller\n"); return 0; - -out_unmap: - iounmap(priv->base); - return ret; -} - -static void imx8mp_audiomix_reset_remove(struct auxiliary_device *adev) -{ - struct imx8mp_audiomix_reset *priv = dev_get_drvdata(&adev->dev); - - iounmap(priv->base); } static const struct auxiliary_device_id imx8mp_audiomix_reset_ids[] = { { .name = "clk_imx8mp_audiomix.reset", + .driver_data = (kernel_ulong_t)&imx8mp_reset_info, + }, + { + .name = "clk_imx8ulp_sim_lpav.reset", + .driver_data = (kernel_ulong_t)&imx8ulp_reset_info, }, { } }; @@ -151,7 +233,6 @@ MODULE_DEVICE_TABLE(auxiliary, imx8mp_audiomix_reset_ids); static struct auxiliary_driver imx8mp_audiomix_reset_driver = { .probe = imx8mp_audiomix_reset_probe, - .remove = imx8mp_audiomix_reset_remove, .id_table = imx8mp_audiomix_reset_ids, }; diff --git a/drivers/reset/reset-mpfs.c b/drivers/reset/reset-mpfs.c index f6fa10e03ea8..8ffcc54ee6f6 100644 --- a/drivers/reset/reset-mpfs.c +++ b/drivers/reset/reset-mpfs.c @@ -9,11 +9,13 @@ #include <linux/auxiliary_bus.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> -#include <linux/slab.h> +#include <linux/regmap.h> #include <linux/reset-controller.h> +#include <linux/slab.h> #include <dt-bindings/clock/microchip,mpfs-clock.h> #include <soc/microchip/mpfs.h> @@ -27,11 +29,10 @@ #define MPFS_SLEEP_MIN_US 100 #define MPFS_SLEEP_MAX_US 200 -/* block concurrent access to the soft reset register */ -static DEFINE_SPINLOCK(mpfs_reset_lock); +#define REG_SUBBLK_RESET_CR 0x88u struct mpfs_reset { - void __iomem *base; + struct regmap *regmap; struct reset_controller_dev rcdev; }; @@ -46,41 +47,25 @@ static inline struct mpfs_reset *to_mpfs_reset(struct reset_controller_dev *rcde static int mpfs_assert(struct reset_controller_dev *rcdev, unsigned long id) { struct mpfs_reset *rst = to_mpfs_reset(rcdev); - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&mpfs_reset_lock, flags); - - reg = readl(rst->base); - reg |= BIT(id); - writel(reg, rst->base); - spin_unlock_irqrestore(&mpfs_reset_lock, flags); + return regmap_set_bits(rst->regmap, REG_SUBBLK_RESET_CR, BIT(id)); - return 0; } static int mpfs_deassert(struct reset_controller_dev *rcdev, unsigned long id) { struct mpfs_reset *rst = to_mpfs_reset(rcdev); - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&mpfs_reset_lock, flags); - reg = readl(rst->base); - reg &= ~BIT(id); - writel(reg, rst->base); + return regmap_clear_bits(rst->regmap, REG_SUBBLK_RESET_CR, BIT(id)); - spin_unlock_irqrestore(&mpfs_reset_lock, flags); - - return 0; } static int mpfs_status(struct reset_controller_dev *rcdev, unsigned long id) { struct mpfs_reset *rst = to_mpfs_reset(rcdev); - u32 reg = readl(rst->base); + u32 reg; + + regmap_read(rst->regmap, REG_SUBBLK_RESET_CR, ®); /* * It is safe to return here as MPFS_NUM_RESETS makes sure the sign bit @@ -130,23 +115,58 @@ static int mpfs_reset_xlate(struct reset_controller_dev *rcdev, return index - MPFS_PERIPH_OFFSET; } -static int mpfs_reset_probe(struct auxiliary_device *adev, - const struct auxiliary_device_id *id) +static int mpfs_reset_mfd_probe(struct platform_device *pdev) +{ + struct reset_controller_dev *rcdev; + struct device *dev = &pdev->dev; + struct mpfs_reset *rst; + + rst = devm_kzalloc(dev, sizeof(*rst), GFP_KERNEL); + if (!rst) + return -ENOMEM; + + rcdev = &rst->rcdev; + rcdev->dev = dev; + rcdev->ops = &mpfs_reset_ops; + + rcdev->of_node = pdev->dev.parent->of_node; + rcdev->of_reset_n_cells = 1; + rcdev->of_xlate = mpfs_reset_xlate; + rcdev->nr_resets = MPFS_NUM_RESETS; + + rst->regmap = device_node_to_regmap(pdev->dev.parent->of_node); + if (IS_ERR(rst->regmap)) + return dev_err_probe(dev, PTR_ERR(rst->regmap), + "Failed to find syscon regmap\n"); + + return devm_reset_controller_register(dev, rcdev); +} + +static struct platform_driver mpfs_reset_mfd_driver = { + .probe = mpfs_reset_mfd_probe, + .driver = { + .name = "mpfs-reset", + }, +}; +module_platform_driver(mpfs_reset_mfd_driver); + +static int mpfs_reset_adev_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) { - struct device *dev = &adev->dev; struct reset_controller_dev *rcdev; + struct device *dev = &adev->dev; struct mpfs_reset *rst; rst = devm_kzalloc(dev, sizeof(*rst), GFP_KERNEL); if (!rst) return -ENOMEM; - rst->base = (void __iomem *)adev->dev.platform_data; + rst->regmap = (struct regmap *)adev->dev.platform_data; rcdev = &rst->rcdev; rcdev->dev = dev; - rcdev->dev->parent = dev->parent; rcdev->ops = &mpfs_reset_ops; + rcdev->of_node = dev->parent->of_node; rcdev->of_reset_n_cells = 1; rcdev->of_xlate = mpfs_reset_xlate; @@ -155,12 +175,11 @@ static int mpfs_reset_probe(struct auxiliary_device *adev, return devm_reset_controller_register(dev, rcdev); } -int mpfs_reset_controller_register(struct device *clk_dev, void __iomem *base) +int mpfs_reset_controller_register(struct device *clk_dev, struct regmap *map) { struct auxiliary_device *adev; - adev = devm_auxiliary_device_create(clk_dev, "reset-mpfs", - (__force void *)base); + adev = devm_auxiliary_device_create(clk_dev, "reset-mpfs", (void *)map); if (!adev) return -ENODEV; @@ -176,12 +195,12 @@ static const struct auxiliary_device_id mpfs_reset_ids[] = { }; MODULE_DEVICE_TABLE(auxiliary, mpfs_reset_ids); -static struct auxiliary_driver mpfs_reset_driver = { - .probe = mpfs_reset_probe, +static struct auxiliary_driver mpfs_reset_aux_driver = { + .probe = mpfs_reset_adev_probe, .id_table = mpfs_reset_ids, }; -module_auxiliary_driver(mpfs_reset_driver); +module_auxiliary_driver(mpfs_reset_aux_driver); MODULE_DESCRIPTION("Microchip PolarFire SoC Reset Driver"); MODULE_AUTHOR("Conor Dooley <conor.dooley@microchip.com>"); diff --git a/drivers/reset/reset-npcm.c b/drivers/reset/reset-npcm.c index e5b6127783a7..4070a4b6663f 100644 --- a/drivers/reset/reset-npcm.c +++ b/drivers/reset/reset-npcm.c @@ -399,7 +399,7 @@ static struct auxiliary_device *npcm_clock_adev_alloc(struct npcm_rc_data *rst_d struct auxiliary_device *adev; int ret; - rdev = kzalloc(sizeof(*rdev), GFP_KERNEL); + rdev = kzalloc_obj(*rdev); if (!rdev) return ERR_PTR(-ENOMEM); diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c b/drivers/reset/reset-rzg2l-usbphy-ctrl.c index 8a7f167e405e..05dd9b4a02df 100644 --- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c +++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c @@ -13,6 +13,7 @@ #include <linux/regmap.h> #include <linux/reset.h> #include <linux/reset-controller.h> +#include <linux/mfd/syscon.h> #define RESET 0x000 #define VBENCTL 0x03c @@ -35,6 +36,7 @@ struct rzg2l_usbphy_ctrl_priv { struct reset_control *rstc; void __iomem *base; struct platform_device *vdev; + struct regmap_field *pwrrdy; spinlock_t lock; }; @@ -91,8 +93,27 @@ static int rzg2l_usbphy_ctrl_status(struct reset_controller_dev *rcdev, return !!(readl(priv->base + RESET) & port_mask); } +/* put pll and phy into reset state */ +static void rzg2l_usbphy_ctrl_init(struct rzg2l_usbphy_ctrl_priv *priv) +{ + unsigned long flags; + u32 val; + + spin_lock_irqsave(&priv->lock, flags); + val = readl(priv->base + RESET); + val |= RESET_SEL_PLLRESET | RESET_PLLRESET | PHY_RESET_PORT2 | PHY_RESET_PORT1; + writel(val, priv->base + RESET); + spin_unlock_irqrestore(&priv->lock, flags); +} + +#define RZG2L_USBPHY_CTRL_PWRRDY 1 + static const struct of_device_id rzg2l_usbphy_ctrl_match_table[] = { { .compatible = "renesas,rzg2l-usbphy-ctrl" }, + { + .compatible = "renesas,r9a08g045-usbphy-ctrl", + .data = (void *)RZG2L_USBPHY_CTRL_PWRRDY + }, { /* Sentinel */ } }; MODULE_DEVICE_TABLE(of, rzg2l_usbphy_ctrl_match_table); @@ -110,15 +131,68 @@ static const struct regmap_config rzg2l_usb_regconf = { .max_register = 1, }; +static int rzg2l_usbphy_ctrl_set_pwrrdy(struct regmap_field *pwrrdy, + bool power_on) +{ + u32 val = power_on ? 0 : 1; + + if (!pwrrdy) + return 0; + + /* The initialization path guarantees that the mask is 1 bit long. */ + return regmap_field_update_bits(pwrrdy, 1, val); +} + +static void rzg2l_usbphy_ctrl_pwrrdy_off(void *data) +{ + rzg2l_usbphy_ctrl_set_pwrrdy(data, false); +} + +static int rzg2l_usbphy_ctrl_pwrrdy_init(struct device *dev, + struct rzg2l_usbphy_ctrl_priv *priv) +{ + struct reg_field field; + struct regmap *regmap; + const int *data; + u32 args[2]; + int ret; + + data = device_get_match_data(dev); + if ((uintptr_t)data != RZG2L_USBPHY_CTRL_PWRRDY) + return 0; + + regmap = syscon_regmap_lookup_by_phandle_args(dev->of_node, + "renesas,sysc-pwrrdy", + ARRAY_SIZE(args), args); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + /* Don't allow more than one bit in mask. */ + if (hweight32(args[1]) != 1) + return -EINVAL; + + field.reg = args[0]; + field.lsb = __ffs(args[1]); + field.msb = __fls(args[1]); + + priv->pwrrdy = devm_regmap_field_alloc(dev, regmap, field); + if (IS_ERR(priv->pwrrdy)) + return PTR_ERR(priv->pwrrdy); + + ret = rzg2l_usbphy_ctrl_set_pwrrdy(priv->pwrrdy, true); + if (ret) + return ret; + + return devm_add_action_or_reset(dev, rzg2l_usbphy_ctrl_pwrrdy_off, priv->pwrrdy); +} + static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct rzg2l_usbphy_ctrl_priv *priv; struct platform_device *vdev; struct regmap *regmap; - unsigned long flags; int error; - u32 val; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -132,6 +206,10 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev) if (IS_ERR(regmap)) return PTR_ERR(regmap); + error = rzg2l_usbphy_ctrl_pwrrdy_init(dev, priv); + if (error) + return error; + priv->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); if (IS_ERR(priv->rstc)) return dev_err_probe(dev, PTR_ERR(priv->rstc), @@ -151,12 +229,7 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev) goto err_pm_disable_reset_deassert; } - /* put pll and phy into reset state */ - spin_lock_irqsave(&priv->lock, flags); - val = readl(priv->base + RESET); - val |= RESET_SEL_PLLRESET | RESET_PLLRESET | PHY_RESET_PORT2 | PHY_RESET_PORT1; - writel(val, priv->base + RESET); - spin_unlock_irqrestore(&priv->lock, flags); + rzg2l_usbphy_ctrl_init(priv); priv->rcdev.ops = &rzg2l_usbphy_ctrl_reset_ops; priv->rcdev.of_reset_n_cells = 1; @@ -203,10 +276,72 @@ static void rzg2l_usbphy_ctrl_remove(struct platform_device *pdev) reset_control_assert(priv->rstc); } +static int rzg2l_usbphy_ctrl_suspend(struct device *dev) +{ + struct rzg2l_usbphy_ctrl_priv *priv = dev_get_drvdata(dev); + u32 val; + int ret; + + val = readl(priv->base + RESET); + if (!(val & PHY_RESET_PORT2) || !(val & PHY_RESET_PORT1)) + WARN(1, "Suspend with resets de-asserted\n"); + + pm_runtime_put_sync(dev); + + ret = reset_control_assert(priv->rstc); + if (ret) + goto rpm_resume; + + ret = rzg2l_usbphy_ctrl_set_pwrrdy(priv->pwrrdy, false); + if (ret) + goto reset_deassert; + + return 0; + +reset_deassert: + reset_control_deassert(priv->rstc); +rpm_resume: + pm_runtime_resume_and_get(dev); + return ret; +} + +static int rzg2l_usbphy_ctrl_resume(struct device *dev) +{ + struct rzg2l_usbphy_ctrl_priv *priv = dev_get_drvdata(dev); + int ret; + + ret = rzg2l_usbphy_ctrl_set_pwrrdy(priv->pwrrdy, true); + if (ret) + return ret; + + ret = reset_control_deassert(priv->rstc); + if (ret) + goto pwrrdy_off; + + ret = pm_runtime_resume_and_get(dev); + if (ret) + goto reset_assert; + + rzg2l_usbphy_ctrl_init(priv); + + return 0; + +reset_assert: + reset_control_assert(priv->rstc); +pwrrdy_off: + rzg2l_usbphy_ctrl_set_pwrrdy(priv->pwrrdy, false); + return ret; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(rzg2l_usbphy_ctrl_pm_ops, + rzg2l_usbphy_ctrl_suspend, + rzg2l_usbphy_ctrl_resume); + static struct platform_driver rzg2l_usbphy_ctrl_driver = { .driver = { .name = "rzg2l_usbphy_ctrl", .of_match_table = rzg2l_usbphy_ctrl_match_table, + .pm = pm_ptr(&rzg2l_usbphy_ctrl_pm_ops), }, .probe = rzg2l_usbphy_ctrl_probe, .remove = rzg2l_usbphy_ctrl_remove, diff --git a/drivers/reset/reset-socfpga.c b/drivers/reset/reset-socfpga.c index 8c6492e5693c..da208270b787 100644 --- a/drivers/reset/reset-socfpga.c +++ b/drivers/reset/reset-socfpga.c @@ -27,7 +27,7 @@ static int a10_reset_init(struct device_node *np) int ret; u32 reg_offset = 0x10; - data = kzalloc(sizeof(*data), GFP_KERNEL); + data = kzalloc_obj(*data); if (!data) return -ENOMEM; diff --git a/drivers/reset/reset-sunxi.c b/drivers/reset/reset-sunxi.c index e752594b6971..2544de6576e4 100644 --- a/drivers/reset/reset-sunxi.c +++ b/drivers/reset/reset-sunxi.c @@ -27,7 +27,7 @@ static int sunxi_reset_init(struct device_node *np) resource_size_t size; int ret; - data = kzalloc(sizeof(*data), GFP_KERNEL); + data = kzalloc_obj(*data); if (!data) return -ENOMEM; diff --git a/drivers/reset/reset-th1520.c b/drivers/reset/reset-th1520.c index 14d964a9c6b6..fd32e991c4cb 100644 --- a/drivers/reset/reset-th1520.c +++ b/drivers/reset/reset-th1520.c @@ -11,6 +11,85 @@ #include <dt-bindings/reset/thead,th1520-reset.h> + /* register offset in RSTGEN_R */ +#define TH1520_BROM_RST_CFG 0x0 +#define TH1520_C910_RST_CFG 0x4 +#define TH1520_CHIP_DBG_RST_CFG 0xc +#define TH1520_AXI4_CPUSYS2_RST_CFG 0x10 +#define TH1520_X2H_CPUSYS_RST_CFG 0x18 +#define TH1520_AHB2_CPUSYS_RST_CFG 0x1c +#define TH1520_APB3_CPUSYS_RST_CFG 0x20 +#define TH1520_MBOX0_RST_CFG 0x24 +#define TH1520_MBOX1_RST_CFG 0x28 +#define TH1520_MBOX2_RST_CFG 0x2c +#define TH1520_MBOX3_RST_CFG 0x30 +#define TH1520_WDT0_RST_CFG 0x34 +#define TH1520_WDT1_RST_CFG 0x38 +#define TH1520_TIMER0_RST_CFG 0x3c +#define TH1520_TIMER1_RST_CFG 0x40 +#define TH1520_PERISYS_AHB_RST_CFG 0x44 +#define TH1520_PERISYS_APB1_RST_CFG 0x48 +#define TH1520_PERISYS_APB2_RST_CFG 0x4c +#define TH1520_GMAC0_RST_CFG 0x68 +#define TH1520_UART0_RST_CFG 0x70 +#define TH1520_UART1_RST_CFG 0x74 +#define TH1520_UART2_RST_CFG 0x78 +#define TH1520_UART3_RST_CFG 0x7c +#define TH1520_UART4_RST_CFG 0x80 +#define TH1520_UART5_RST_CFG 0x84 +#define TH1520_QSPI0_RST_CFG 0x8c +#define TH1520_QSPI1_RST_CFG 0x90 +#define TH1520_SPI_RST_CFG 0x94 +#define TH1520_I2C0_RST_CFG 0x98 +#define TH1520_I2C1_RST_CFG 0x9c +#define TH1520_I2C2_RST_CFG 0xa0 +#define TH1520_I2C3_RST_CFG 0xa4 +#define TH1520_I2C4_RST_CFG 0xa8 +#define TH1520_I2C5_RST_CFG 0xac +#define TH1520_GPIO0_RST_CFG 0xb0 +#define TH1520_GPIO1_RST_CFG 0xb4 +#define TH1520_GPIO2_RST_CFG 0xb8 +#define TH1520_PWM_RST_CFG 0xc0 +#define TH1520_PADCTRL0_APSYS_RST_CFG 0xc4 +#define TH1520_CPU2PERI_X2H_RST_CFG 0xcc +#define TH1520_CPU2AON_X2H_RST_CFG 0xe4 +#define TH1520_AON2CPU_A2X_RST_CFG 0xfc +#define TH1520_NPUSYS_AXI_RST_CFG 0x128 +#define TH1520_CPU2VP_X2P_RST_CFG 0x12c +#define TH1520_CPU2VI_X2H_RST_CFG 0x138 +#define TH1520_BMU_C910_RST_CFG 0x148 +#define TH1520_DMAC_CPUSYS_RST_CFG 0x14c +#define TH1520_SPINLOCK_RST_CFG 0x178 +#define TH1520_CFG2TEE_X2H_RST_CFG 0x188 +#define TH1520_DSMART_RST_CFG 0x18c +#define TH1520_GPIO3_RST_CFG 0x1a8 +#define TH1520_I2S_RST_CFG 0x1ac +#define TH1520_IMG_NNA_RST_CFG 0x1b0 +#define TH1520_PERI_APB3_RST_CFG 0x1dc +#define TH1520_VP_SUBSYS_RST_CFG 0x1ec +#define TH1520_PERISYS_APB4_RST_CFG 0x1f8 +#define TH1520_GMAC1_RST_CFG 0x204 +#define TH1520_GMAC_AXI_RST_CFG 0x208 +#define TH1520_PADCTRL1_APSYS_RST_CFG 0x20c +#define TH1520_VOSYS_AXI_RST_CFG 0x210 +#define TH1520_VOSYS_X2X_RST_CFG 0x214 +#define TH1520_MISC2VP_X2X_RST_CFG 0x218 +#define TH1520_SUBSYS_RST_CFG 0x220 + + /* register offset in DSP_REGMAP */ +#define TH1520_DSPSYS_RST_CFG 0x0 + + /* register offset in MISCSYS_REGMAP */ +#define TH1520_EMMC_RST_CFG 0x0 +#define TH1520_MISCSYS_AXI_RST_CFG 0x8 +#define TH1520_SDIO0_RST_CFG 0xc +#define TH1520_SDIO1_RST_CFG 0x10 +#define TH1520_USB3_DRD_RST_CFG 0x14 + + /* register offset in VISYS_REGMAP */ +#define TH1520_VISYS_RST_CFG 0x0 +#define TH1520_VISYS_2_RST_CFG 0x4 + /* register offset in VOSYS_REGMAP */ #define TH1520_GPU_RST_CFG 0x0 #define TH1520_GPU_RST_CFG_MASK GENMASK(1, 0) @@ -18,6 +97,8 @@ #define TH1520_DSI0_RST_CFG 0x8 #define TH1520_DSI1_RST_CFG 0xc #define TH1520_HDMI_RST_CFG 0x14 +#define TH1520_AXI4_VO_DW_AXI_RST_CFG 0x18 +#define TH1520_X2H_X4_VOSYS_DW_RST_CFG 0x20 /* register values */ #define TH1520_GPU_SW_GPU_RST BIT(0) @@ -29,14 +110,27 @@ #define TH1520_HDMI_SW_MAIN_RST BIT(0) #define TH1520_HDMI_SW_PRST BIT(1) + /* register offset in VPSYS_REGMAP */ +#define TH1520_AXIBUS_RST_CFG 0x0 +#define TH1520_FCE_RST_CFG 0x4 +#define TH1520_G2D_RST_CFG 0x8 +#define TH1520_VDEC_RST_CFG 0xc +#define TH1520_VENC_RST_CFG 0x10 + +struct th1520_reset_map { + u32 bit; + u32 reg; +}; + struct th1520_reset_priv { struct reset_controller_dev rcdev; struct regmap *map; + const struct th1520_reset_map *resets; }; -struct th1520_reset_map { - u32 bit; - u32 reg; +struct th1520_reset_data { + const struct th1520_reset_map *resets; + size_t num; }; static const struct th1520_reset_map th1520_resets[] = { @@ -76,6 +170,681 @@ static const struct th1520_reset_map th1520_resets[] = { .bit = TH1520_HDMI_SW_PRST, .reg = TH1520_HDMI_RST_CFG, }, + [TH1520_RESET_ID_VOAXI] = { + .bit = BIT(0), + .reg = TH1520_AXI4_VO_DW_AXI_RST_CFG, + }, + [TH1520_RESET_ID_VOAXI_APB] = { + .bit = BIT(1), + .reg = TH1520_AXI4_VO_DW_AXI_RST_CFG, + }, + [TH1520_RESET_ID_X2H_DPU_AXI] = { + .bit = BIT(0), + .reg = TH1520_X2H_X4_VOSYS_DW_RST_CFG, + }, + [TH1520_RESET_ID_X2H_DPU_AHB] = { + .bit = BIT(1), + .reg = TH1520_X2H_X4_VOSYS_DW_RST_CFG, + }, + [TH1520_RESET_ID_X2H_DPU1_AXI] = { + .bit = BIT(2), + .reg = TH1520_X2H_X4_VOSYS_DW_RST_CFG, + }, + [TH1520_RESET_ID_X2H_DPU1_AHB] = { + .bit = BIT(3), + .reg = TH1520_X2H_X4_VOSYS_DW_RST_CFG, + }, +}; + +static const struct th1520_reset_map th1520_ap_resets[] = { + [TH1520_RESET_ID_BROM] = { + .bit = BIT(0), + .reg = TH1520_BROM_RST_CFG, + }, + [TH1520_RESET_ID_C910_TOP] = { + .bit = BIT(0), + .reg = TH1520_C910_RST_CFG, + }, + [TH1520_RESET_ID_NPU] = { + .bit = BIT(0), + .reg = TH1520_IMG_NNA_RST_CFG, + }, + [TH1520_RESET_ID_WDT0] = { + .bit = BIT(0), + .reg = TH1520_WDT0_RST_CFG, + }, + [TH1520_RESET_ID_WDT1] = { + .bit = BIT(0), + .reg = TH1520_WDT1_RST_CFG, + }, + [TH1520_RESET_ID_C910_C0] = { + .bit = BIT(1), + .reg = TH1520_C910_RST_CFG, + }, + [TH1520_RESET_ID_C910_C1] = { + .bit = BIT(2), + .reg = TH1520_C910_RST_CFG, + }, + [TH1520_RESET_ID_C910_C2] = { + .bit = BIT(3), + .reg = TH1520_C910_RST_CFG, + }, + [TH1520_RESET_ID_C910_C3] = { + .bit = BIT(4), + .reg = TH1520_C910_RST_CFG, + }, + [TH1520_RESET_ID_CHIP_DBG_CORE] = { + .bit = BIT(0), + .reg = TH1520_CHIP_DBG_RST_CFG, + }, + [TH1520_RESET_ID_CHIP_DBG_AXI] = { + .bit = BIT(1), + .reg = TH1520_CHIP_DBG_RST_CFG, + }, + [TH1520_RESET_ID_AXI4_CPUSYS2_AXI] = { + .bit = BIT(0), + .reg = TH1520_AXI4_CPUSYS2_RST_CFG, + }, + [TH1520_RESET_ID_AXI4_CPUSYS2_APB] = { + .bit = BIT(1), + .reg = TH1520_AXI4_CPUSYS2_RST_CFG, + }, + [TH1520_RESET_ID_X2H_CPUSYS] = { + .bit = BIT(0), + .reg = TH1520_X2H_CPUSYS_RST_CFG, + }, + [TH1520_RESET_ID_AHB2_CPUSYS] = { + .bit = BIT(0), + .reg = TH1520_AHB2_CPUSYS_RST_CFG, + }, + [TH1520_RESET_ID_APB3_CPUSYS] = { + .bit = BIT(0), + .reg = TH1520_APB3_CPUSYS_RST_CFG, + }, + [TH1520_RESET_ID_MBOX0_APB] = { + .bit = BIT(0), + .reg = TH1520_MBOX0_RST_CFG, + }, + [TH1520_RESET_ID_MBOX1_APB] = { + .bit = BIT(0), + .reg = TH1520_MBOX1_RST_CFG, + }, + [TH1520_RESET_ID_MBOX2_APB] = { + .bit = BIT(0), + .reg = TH1520_MBOX2_RST_CFG, + }, + [TH1520_RESET_ID_MBOX3_APB] = { + .bit = BIT(0), + .reg = TH1520_MBOX3_RST_CFG, + }, + [TH1520_RESET_ID_TIMER0_APB] = { + .bit = BIT(0), + .reg = TH1520_TIMER0_RST_CFG, + }, + [TH1520_RESET_ID_TIMER0_CORE] = { + .bit = BIT(1), + .reg = TH1520_TIMER0_RST_CFG, + }, + [TH1520_RESET_ID_TIMER1_APB] = { + .bit = BIT(0), + .reg = TH1520_TIMER1_RST_CFG, + }, + [TH1520_RESET_ID_TIMER1_CORE] = { + .bit = BIT(1), + .reg = TH1520_TIMER1_RST_CFG, + }, + [TH1520_RESET_ID_PERISYS_AHB] = { + .bit = BIT(0), + .reg = TH1520_PERISYS_AHB_RST_CFG, + }, + [TH1520_RESET_ID_PERISYS_APB1] = { + .bit = BIT(0), + .reg = TH1520_PERISYS_APB1_RST_CFG, + }, + [TH1520_RESET_ID_PERISYS_APB2] = { + .bit = BIT(0), + .reg = TH1520_PERISYS_APB2_RST_CFG, + }, + [TH1520_RESET_ID_GMAC0_APB] = { + .bit = BIT(0), + .reg = TH1520_GMAC0_RST_CFG, + }, + [TH1520_RESET_ID_GMAC0_AHB] = { + .bit = BIT(1), + .reg = TH1520_GMAC0_RST_CFG, + }, + [TH1520_RESET_ID_GMAC0_CLKGEN] = { + .bit = BIT(2), + .reg = TH1520_GMAC0_RST_CFG, + }, + [TH1520_RESET_ID_GMAC0_AXI] = { + .bit = BIT(3), + .reg = TH1520_GMAC0_RST_CFG, + }, + [TH1520_RESET_ID_UART0_APB] = { + .bit = BIT(0), + .reg = TH1520_UART0_RST_CFG, + }, + [TH1520_RESET_ID_UART0_IF] = { + .bit = BIT(1), + .reg = TH1520_UART0_RST_CFG, + }, + [TH1520_RESET_ID_UART1_APB] = { + .bit = BIT(0), + .reg = TH1520_UART1_RST_CFG, + }, + [TH1520_RESET_ID_UART1_IF] = { + .bit = BIT(1), + .reg = TH1520_UART1_RST_CFG, + }, + [TH1520_RESET_ID_UART2_APB] = { + .bit = BIT(0), + .reg = TH1520_UART2_RST_CFG, + }, + [TH1520_RESET_ID_UART2_IF] = { + .bit = BIT(1), + .reg = TH1520_UART2_RST_CFG, + }, + [TH1520_RESET_ID_UART3_APB] = { + .bit = BIT(0), + .reg = TH1520_UART3_RST_CFG, + }, + [TH1520_RESET_ID_UART3_IF] = { + .bit = BIT(1), + .reg = TH1520_UART3_RST_CFG, + }, + [TH1520_RESET_ID_UART4_APB] = { + .bit = BIT(0), + .reg = TH1520_UART4_RST_CFG, + }, + [TH1520_RESET_ID_UART4_IF] = { + .bit = BIT(1), + .reg = TH1520_UART4_RST_CFG, + }, + [TH1520_RESET_ID_UART5_APB] = { + .bit = BIT(0), + .reg = TH1520_UART5_RST_CFG, + }, + [TH1520_RESET_ID_UART5_IF] = { + .bit = BIT(1), + .reg = TH1520_UART5_RST_CFG, + }, + [TH1520_RESET_ID_QSPI0_IF] = { + .bit = BIT(0), + .reg = TH1520_QSPI0_RST_CFG, + }, + [TH1520_RESET_ID_QSPI0_APB] = { + .bit = BIT(1), + .reg = TH1520_QSPI0_RST_CFG, + }, + [TH1520_RESET_ID_QSPI1_IF] = { + .bit = BIT(0), + .reg = TH1520_QSPI1_RST_CFG, + }, + [TH1520_RESET_ID_QSPI1_APB] = { + .bit = BIT(1), + .reg = TH1520_QSPI1_RST_CFG, + }, + [TH1520_RESET_ID_SPI_IF] = { + .bit = BIT(0), + .reg = TH1520_SPI_RST_CFG, + }, + [TH1520_RESET_ID_SPI_APB] = { + .bit = BIT(1), + .reg = TH1520_SPI_RST_CFG, + }, + [TH1520_RESET_ID_I2C0_APB] = { + .bit = BIT(0), + .reg = TH1520_I2C0_RST_CFG, + }, + [TH1520_RESET_ID_I2C0_CORE] = { + .bit = BIT(1), + .reg = TH1520_I2C0_RST_CFG, + }, + [TH1520_RESET_ID_I2C1_APB] = { + .bit = BIT(0), + .reg = TH1520_I2C1_RST_CFG, + }, + [TH1520_RESET_ID_I2C1_CORE] = { + .bit = BIT(1), + .reg = TH1520_I2C1_RST_CFG, + }, + [TH1520_RESET_ID_I2C2_APB] = { + .bit = BIT(0), + .reg = TH1520_I2C2_RST_CFG, + }, + [TH1520_RESET_ID_I2C2_CORE] = { + .bit = BIT(1), + .reg = TH1520_I2C2_RST_CFG, + }, + [TH1520_RESET_ID_I2C3_APB] = { + .bit = BIT(0), + .reg = TH1520_I2C3_RST_CFG, + }, + [TH1520_RESET_ID_I2C3_CORE] = { + .bit = BIT(1), + .reg = TH1520_I2C3_RST_CFG, + }, + [TH1520_RESET_ID_I2C4_APB] = { + .bit = BIT(0), + .reg = TH1520_I2C4_RST_CFG, + }, + [TH1520_RESET_ID_I2C4_CORE] = { + .bit = BIT(1), + .reg = TH1520_I2C4_RST_CFG, + }, + [TH1520_RESET_ID_I2C5_APB] = { + .bit = BIT(0), + .reg = TH1520_I2C5_RST_CFG, + }, + [TH1520_RESET_ID_I2C5_CORE] = { + .bit = BIT(1), + .reg = TH1520_I2C5_RST_CFG, + }, + [TH1520_RESET_ID_GPIO0_DB] = { + .bit = BIT(0), + .reg = TH1520_GPIO0_RST_CFG, + }, + [TH1520_RESET_ID_GPIO0_APB] = { + .bit = BIT(1), + .reg = TH1520_GPIO0_RST_CFG, + }, + [TH1520_RESET_ID_GPIO1_DB] = { + .bit = BIT(0), + .reg = TH1520_GPIO1_RST_CFG, + }, + [TH1520_RESET_ID_GPIO1_APB] = { + .bit = BIT(1), + .reg = TH1520_GPIO1_RST_CFG, + }, + [TH1520_RESET_ID_GPIO2_DB] = { + .bit = BIT(0), + .reg = TH1520_GPIO2_RST_CFG, + }, + [TH1520_RESET_ID_GPIO2_APB] = { + .bit = BIT(1), + .reg = TH1520_GPIO2_RST_CFG, + }, + [TH1520_RESET_ID_PWM_COUNTER] = { + .bit = BIT(0), + .reg = TH1520_PWM_RST_CFG, + }, + [TH1520_RESET_ID_PWM_APB] = { + .bit = BIT(1), + .reg = TH1520_PWM_RST_CFG, + }, + [TH1520_RESET_ID_PADCTRL0_APB] = { + .bit = BIT(0), + .reg = TH1520_PADCTRL0_APSYS_RST_CFG, + }, + [TH1520_RESET_ID_CPU2PERI_X2H] = { + .bit = BIT(1), + .reg = TH1520_CPU2PERI_X2H_RST_CFG, + }, + [TH1520_RESET_ID_CPU2AON_X2H] = { + .bit = BIT(0), + .reg = TH1520_CPU2AON_X2H_RST_CFG, + }, + [TH1520_RESET_ID_AON2CPU_A2X] = { + .bit = BIT(0), + .reg = TH1520_AON2CPU_A2X_RST_CFG, + }, + [TH1520_RESET_ID_NPUSYS_AXI] = { + .bit = BIT(0), + .reg = TH1520_NPUSYS_AXI_RST_CFG, + }, + [TH1520_RESET_ID_NPUSYS_AXI_APB] = { + .bit = BIT(1), + .reg = TH1520_NPUSYS_AXI_RST_CFG, + }, + [TH1520_RESET_ID_CPU2VP_X2P] = { + .bit = BIT(0), + .reg = TH1520_CPU2VP_X2P_RST_CFG, + }, + [TH1520_RESET_ID_CPU2VI_X2H] = { + .bit = BIT(0), + .reg = TH1520_CPU2VI_X2H_RST_CFG, + }, + [TH1520_RESET_ID_BMU_AXI] = { + .bit = BIT(0), + .reg = TH1520_BMU_C910_RST_CFG, + }, + [TH1520_RESET_ID_BMU_APB] = { + .bit = BIT(1), + .reg = TH1520_BMU_C910_RST_CFG, + }, + [TH1520_RESET_ID_DMAC_CPUSYS_AXI] = { + .bit = BIT(0), + .reg = TH1520_DMAC_CPUSYS_RST_CFG, + }, + [TH1520_RESET_ID_DMAC_CPUSYS_AHB] = { + .bit = BIT(1), + .reg = TH1520_DMAC_CPUSYS_RST_CFG, + }, + [TH1520_RESET_ID_SPINLOCK] = { + .bit = BIT(0), + .reg = TH1520_SPINLOCK_RST_CFG, + }, + [TH1520_RESET_ID_CFG2TEE] = { + .bit = BIT(0), + .reg = TH1520_CFG2TEE_X2H_RST_CFG, + }, + [TH1520_RESET_ID_DSMART] = { + .bit = BIT(0), + .reg = TH1520_DSMART_RST_CFG, + }, + [TH1520_RESET_ID_GPIO3_DB] = { + .bit = BIT(0), + .reg = TH1520_GPIO3_RST_CFG, + }, + [TH1520_RESET_ID_GPIO3_APB] = { + .bit = BIT(1), + .reg = TH1520_GPIO3_RST_CFG, + }, + [TH1520_RESET_ID_PERI_I2S] = { + .bit = BIT(0), + .reg = TH1520_I2S_RST_CFG, + }, + [TH1520_RESET_ID_PERI_APB3] = { + .bit = BIT(0), + .reg = TH1520_PERI_APB3_RST_CFG, + }, + [TH1520_RESET_ID_PERI2PERI1_APB] = { + .bit = BIT(1), + .reg = TH1520_PERI_APB3_RST_CFG, + }, + [TH1520_RESET_ID_VPSYS_APB] = { + .bit = BIT(0), + .reg = TH1520_VP_SUBSYS_RST_CFG, + }, + [TH1520_RESET_ID_PERISYS_APB4] = { + .bit = BIT(0), + .reg = TH1520_PERISYS_APB4_RST_CFG, + }, + [TH1520_RESET_ID_GMAC1_APB] = { + .bit = BIT(0), + .reg = TH1520_GMAC1_RST_CFG, + }, + [TH1520_RESET_ID_GMAC1_AHB] = { + .bit = BIT(1), + .reg = TH1520_GMAC1_RST_CFG, + }, + [TH1520_RESET_ID_GMAC1_CLKGEN] = { + .bit = BIT(2), + .reg = TH1520_GMAC1_RST_CFG, + }, + [TH1520_RESET_ID_GMAC1_AXI] = { + .bit = BIT(3), + .reg = TH1520_GMAC1_RST_CFG, + }, + [TH1520_RESET_ID_GMAC_AXI] = { + .bit = BIT(0), + .reg = TH1520_GMAC_AXI_RST_CFG, + }, + [TH1520_RESET_ID_GMAC_AXI_APB] = { + .bit = BIT(1), + .reg = TH1520_GMAC_AXI_RST_CFG, + }, + [TH1520_RESET_ID_PADCTRL1_APB] = { + .bit = BIT(0), + .reg = TH1520_PADCTRL1_APSYS_RST_CFG, + }, + [TH1520_RESET_ID_VOSYS_AXI] = { + .bit = BIT(0), + .reg = TH1520_VOSYS_AXI_RST_CFG, + }, + [TH1520_RESET_ID_VOSYS_AXI_APB] = { + .bit = BIT(1), + .reg = TH1520_VOSYS_AXI_RST_CFG, + }, + [TH1520_RESET_ID_VOSYS_AXI_X2X] = { + .bit = BIT(0), + .reg = TH1520_VOSYS_X2X_RST_CFG, + }, + [TH1520_RESET_ID_MISC2VP_X2X] = { + .bit = BIT(0), + .reg = TH1520_MISC2VP_X2X_RST_CFG, + }, + [TH1520_RESET_ID_DSPSYS] = { + .bit = BIT(0), + .reg = TH1520_SUBSYS_RST_CFG, + }, + [TH1520_RESET_ID_VISYS] = { + .bit = BIT(1), + .reg = TH1520_SUBSYS_RST_CFG, + }, + [TH1520_RESET_ID_VOSYS] = { + .bit = BIT(2), + .reg = TH1520_SUBSYS_RST_CFG, + }, + [TH1520_RESET_ID_VPSYS] = { + .bit = BIT(3), + .reg = TH1520_SUBSYS_RST_CFG, + }, +}; + +static const struct th1520_reset_map th1520_dsp_resets[] = { + [TH1520_RESET_ID_X2X_DSP1] = { + .bit = BIT(0), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_X2X_DSP0] = { + .bit = BIT(1), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_X2X_SLAVE_DSP1] = { + .bit = BIT(2), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_X2X_SLAVE_DSP0] = { + .bit = BIT(3), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_DSP0_CORE] = { + .bit = BIT(8), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_DSP0_DEBUG] = { + .bit = BIT(9), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_DSP0_APB] = { + .bit = BIT(10), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_DSP1_CORE] = { + .bit = BIT(12), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_DSP1_DEBUG] = { + .bit = BIT(13), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_DSP1_APB] = { + .bit = BIT(14), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_DSPSYS_APB] = { + .bit = BIT(16), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_AXI4_DSPSYS_SLV] = { + .bit = BIT(20), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_AXI4_DSPSYS] = { + .bit = BIT(24), + .reg = TH1520_DSPSYS_RST_CFG, + }, + [TH1520_RESET_ID_AXI4_DSP_RS] = { + .bit = BIT(26), + .reg = TH1520_DSPSYS_RST_CFG, + }, +}; + +static const struct th1520_reset_map th1520_misc_resets[] = { + [TH1520_RESET_ID_EMMC_SDIO_CLKGEN] = { + .bit = BIT(0), + .reg = TH1520_EMMC_RST_CFG, + }, + [TH1520_RESET_ID_EMMC] = { + .bit = BIT(1), + .reg = TH1520_EMMC_RST_CFG, + }, + [TH1520_RESET_ID_MISCSYS_AXI] = { + .bit = BIT(0), + .reg = TH1520_MISCSYS_AXI_RST_CFG, + }, + [TH1520_RESET_ID_MISCSYS_AXI_APB] = { + .bit = BIT(1), + .reg = TH1520_MISCSYS_AXI_RST_CFG, + }, + [TH1520_RESET_ID_SDIO0] = { + .bit = BIT(0), + .reg = TH1520_SDIO0_RST_CFG, + }, + [TH1520_RESET_ID_SDIO1] = { + .bit = BIT(1), + .reg = TH1520_SDIO1_RST_CFG, + }, + [TH1520_RESET_ID_USB3_APB] = { + .bit = BIT(0), + .reg = TH1520_USB3_DRD_RST_CFG, + }, + [TH1520_RESET_ID_USB3_PHY] = { + .bit = BIT(1), + .reg = TH1520_USB3_DRD_RST_CFG, + }, + [TH1520_RESET_ID_USB3_VCC] = { + .bit = BIT(2), + .reg = TH1520_USB3_DRD_RST_CFG, + }, +}; + +static const struct th1520_reset_map th1520_vi_resets[] = { + [TH1520_RESET_ID_ISP0] = { + .bit = BIT(0), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_ISP1] = { + .bit = BIT(4), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_CSI0_APB] = { + .bit = BIT(16), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_CSI1_APB] = { + .bit = BIT(17), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_CSI2_APB] = { + .bit = BIT(18), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_MIPI_FIFO] = { + .bit = BIT(20), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_ISP_VENC_APB] = { + .bit = BIT(24), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_VIPRE_APB] = { + .bit = BIT(28), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_VIPRE_AXI] = { + .bit = BIT(29), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_DW200_APB] = { + .bit = BIT(31), + .reg = TH1520_VISYS_RST_CFG, + }, + [TH1520_RESET_ID_VISYS3_AXI] = { + .bit = BIT(8), + .reg = TH1520_VISYS_2_RST_CFG, + }, + [TH1520_RESET_ID_VISYS2_AXI] = { + .bit = BIT(9), + .reg = TH1520_VISYS_2_RST_CFG, + }, + [TH1520_RESET_ID_VISYS1_AXI] = { + .bit = BIT(10), + .reg = TH1520_VISYS_2_RST_CFG, + }, + [TH1520_RESET_ID_VISYS_AXI] = { + .bit = BIT(12), + .reg = TH1520_VISYS_2_RST_CFG, + }, + [TH1520_RESET_ID_VISYS_APB] = { + .bit = BIT(16), + .reg = TH1520_VISYS_2_RST_CFG, + }, + [TH1520_RESET_ID_ISP_VENC_AXI] = { + .bit = BIT(20), + .reg = TH1520_VISYS_2_RST_CFG, + }, +}; + +static const struct th1520_reset_map th1520_vp_resets[] = { + [TH1520_RESET_ID_VPSYS_AXI_APB] = { + .bit = BIT(0), + .reg = TH1520_AXIBUS_RST_CFG, + }, + [TH1520_RESET_ID_VPSYS_AXI] = { + .bit = BIT(1), + .reg = TH1520_AXIBUS_RST_CFG, + }, + [TH1520_RESET_ID_FCE_APB] = { + .bit = BIT(0), + .reg = TH1520_FCE_RST_CFG, + }, + [TH1520_RESET_ID_FCE_CORE] = { + .bit = BIT(1), + .reg = TH1520_FCE_RST_CFG, + }, + [TH1520_RESET_ID_FCE_X2X_MASTER] = { + .bit = BIT(4), + .reg = TH1520_FCE_RST_CFG, + }, + [TH1520_RESET_ID_FCE_X2X_SLAVE] = { + .bit = BIT(5), + .reg = TH1520_FCE_RST_CFG, + }, + [TH1520_RESET_ID_G2D_APB] = { + .bit = BIT(0), + .reg = TH1520_G2D_RST_CFG, + }, + [TH1520_RESET_ID_G2D_ACLK] = { + .bit = BIT(1), + .reg = TH1520_G2D_RST_CFG, + }, + [TH1520_RESET_ID_G2D_CORE] = { + .bit = BIT(2), + .reg = TH1520_G2D_RST_CFG, + }, + [TH1520_RESET_ID_VDEC_APB] = { + .bit = BIT(0), + .reg = TH1520_VDEC_RST_CFG, + }, + [TH1520_RESET_ID_VDEC_ACLK] = { + .bit = BIT(1), + .reg = TH1520_VDEC_RST_CFG, + }, + [TH1520_RESET_ID_VDEC_CORE] = { + .bit = BIT(2), + .reg = TH1520_VDEC_RST_CFG, + }, + [TH1520_RESET_ID_VENC_APB] = { + .bit = BIT(0), + .reg = TH1520_VENC_RST_CFG, + }, + [TH1520_RESET_ID_VENC_CORE] = { + .bit = BIT(1), + .reg = TH1520_VENC_RST_CFG, + }, }; static inline struct th1520_reset_priv * @@ -90,7 +859,7 @@ static int th1520_reset_assert(struct reset_controller_dev *rcdev, struct th1520_reset_priv *priv = to_th1520_reset(rcdev); const struct th1520_reset_map *reset; - reset = &th1520_resets[id]; + reset = &priv->resets[id]; return regmap_update_bits(priv->map, reset->reg, reset->bit, 0); } @@ -101,7 +870,7 @@ static int th1520_reset_deassert(struct reset_controller_dev *rcdev, struct th1520_reset_priv *priv = to_th1520_reset(rcdev); const struct th1520_reset_map *reset; - reset = &th1520_resets[id]; + reset = &priv->resets[id]; return regmap_update_bits(priv->map, reset->reg, reset->bit, reset->bit); @@ -120,11 +889,14 @@ static const struct regmap_config th1520_reset_regmap_config = { static int th1520_reset_probe(struct platform_device *pdev) { + const struct th1520_reset_data *data; struct device *dev = &pdev->dev; struct th1520_reset_priv *priv; void __iomem *base; int ret; + data = device_get_match_data(dev); + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -138,22 +910,61 @@ static int th1520_reset_probe(struct platform_device *pdev) if (IS_ERR(priv->map)) return PTR_ERR(priv->map); - /* Initialize GPU resets to asserted state */ - ret = regmap_update_bits(priv->map, TH1520_GPU_RST_CFG, - TH1520_GPU_RST_CFG_MASK, 0); - if (ret) - return ret; + if (of_device_is_compatible(dev->of_node, "thead,th1520-reset")) { + /* Initialize GPU resets to asserted state */ + ret = regmap_update_bits(priv->map, TH1520_GPU_RST_CFG, + TH1520_GPU_RST_CFG_MASK, 0); + if (ret) + return ret; + } priv->rcdev.owner = THIS_MODULE; - priv->rcdev.nr_resets = ARRAY_SIZE(th1520_resets); + priv->rcdev.nr_resets = data->num; priv->rcdev.ops = &th1520_reset_ops; priv->rcdev.of_node = dev->of_node; + priv->resets = data->resets; + return devm_reset_controller_register(dev, &priv->rcdev); } +static const struct th1520_reset_data th1520_reset_data = { + .resets = th1520_resets, + .num = ARRAY_SIZE(th1520_resets), +}; + +static const struct th1520_reset_data th1520_ap_reset_data = { + .resets = th1520_ap_resets, + .num = ARRAY_SIZE(th1520_ap_resets), +}; + +static const struct th1520_reset_data th1520_dsp_reset_data = { + .resets = th1520_dsp_resets, + .num = ARRAY_SIZE(th1520_dsp_resets), +}; + +static const struct th1520_reset_data th1520_misc_reset_data = { + .resets = th1520_misc_resets, + .num = ARRAY_SIZE(th1520_misc_resets), +}; + +static const struct th1520_reset_data th1520_vi_reset_data = { + .resets = th1520_vi_resets, + .num = ARRAY_SIZE(th1520_vi_resets), +}; + +static const struct th1520_reset_data th1520_vp_reset_data = { + .resets = th1520_vp_resets, + .num = ARRAY_SIZE(th1520_vp_resets), +}; + static const struct of_device_id th1520_reset_match[] = { - { .compatible = "thead,th1520-reset" }, + { .compatible = "thead,th1520-reset", .data = &th1520_reset_data }, + { .compatible = "thead,th1520-reset-ap", .data = &th1520_ap_reset_data }, + { .compatible = "thead,th1520-reset-dsp", .data = &th1520_dsp_reset_data }, + { .compatible = "thead,th1520-reset-misc", .data = &th1520_misc_reset_data }, + { .compatible = "thead,th1520-reset-vi", .data = &th1520_vi_reset_data }, + { .compatible = "thead,th1520-reset-vp", .data = &th1520_vp_reset_data }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, th1520_reset_match); diff --git a/drivers/reset/spacemit/Kconfig b/drivers/reset/spacemit/Kconfig new file mode 100644 index 000000000000..545d6b41c6ca --- /dev/null +++ b/drivers/reset/spacemit/Kconfig @@ -0,0 +1,36 @@ +# SPDX-License-Identifier: GPL-2.0-only + +menu "Reset support for SpacemiT platforms" + depends on ARCH_SPACEMIT || COMPILE_TEST + +config RESET_SPACEMIT_COMMON + tristate + select AUXILIARY_BUS + help + Common reset controller infrastructure for SpacemiT SoCs. + This provides shared code and helper functions used by + reset drivers for various SpacemiT SoC families. + +config RESET_SPACEMIT_K1 + tristate "Support for SpacemiT K1 SoC" + depends on SPACEMIT_K1_CCU + select RESET_SPACEMIT_COMMON + default SPACEMIT_K1_CCU + help + Support for reset controller in SpacemiT K1 SoC. + This driver works with the SpacemiT K1 clock controller + unit (CCU) driver to provide reset control functionality + for various peripherals and subsystems in the SoC. + +config RESET_SPACEMIT_K3 + tristate "Support for SpacemiT K3 SoC" + depends on SPACEMIT_K3_CCU + select RESET_SPACEMIT_COMMON + default SPACEMIT_K3_CCU + help + Support for reset controller in SpacemiT K3 SoC. + This driver works with the SpacemiT K3 clock controller + unit (CCU) driver to provide reset control functionality + for various peripherals and subsystems in the SoC. + +endmenu diff --git a/drivers/reset/spacemit/Makefile b/drivers/reset/spacemit/Makefile new file mode 100644 index 000000000000..00669132c6ac --- /dev/null +++ b/drivers/reset/spacemit/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_RESET_SPACEMIT_COMMON) += reset-spacemit-common.o + +obj-$(CONFIG_RESET_SPACEMIT_K1) += reset-spacemit-k1.o +obj-$(CONFIG_RESET_SPACEMIT_K3) += reset-spacemit-k3.o diff --git a/drivers/reset/spacemit/reset-spacemit-common.c b/drivers/reset/spacemit/reset-spacemit-common.c new file mode 100644 index 000000000000..0626633a5e7d --- /dev/null +++ b/drivers/reset/spacemit/reset-spacemit-common.c @@ -0,0 +1,77 @@ +// SPDX-License-Identifier: GPL-2.0-only + +/* SpacemiT reset controller driver - common implementation */ + +#include <linux/container_of.h> +#include <linux/device.h> +#include <linux/module.h> + +#include <soc/spacemit/ccu.h> + +#include "reset-spacemit-common.h" + +static int spacemit_reset_update(struct reset_controller_dev *rcdev, + unsigned long id, bool assert) +{ + struct ccu_reset_controller *controller; + const struct ccu_reset_data *data; + u32 mask; + u32 val; + + controller = container_of(rcdev, struct ccu_reset_controller, rcdev); + data = &controller->data->reset_data[id]; + mask = data->assert_mask | data->deassert_mask; + val = assert ? data->assert_mask : data->deassert_mask; + + return regmap_update_bits(controller->regmap, data->offset, mask, val); +} + +static int spacemit_reset_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return spacemit_reset_update(rcdev, id, true); +} + +static int spacemit_reset_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return spacemit_reset_update(rcdev, id, false); +} + +static const struct reset_control_ops spacemit_reset_control_ops = { + .assert = spacemit_reset_assert, + .deassert = spacemit_reset_deassert, +}; + +static int spacemit_reset_controller_register(struct device *dev, + struct ccu_reset_controller *controller) +{ + struct reset_controller_dev *rcdev = &controller->rcdev; + + rcdev->ops = &spacemit_reset_control_ops; + rcdev->owner = dev->driver->owner; + rcdev->of_node = dev->of_node; + rcdev->nr_resets = controller->data->count; + + return devm_reset_controller_register(dev, &controller->rcdev); +} + +int spacemit_reset_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) +{ + struct spacemit_ccu_adev *rdev = to_spacemit_ccu_adev(adev); + struct ccu_reset_controller *controller; + struct device *dev = &adev->dev; + + controller = devm_kzalloc(dev, sizeof(*controller), GFP_KERNEL); + if (!controller) + return -ENOMEM; + controller->data = (const struct ccu_reset_controller_data *)id->driver_data; + controller->regmap = rdev->regmap; + + return spacemit_reset_controller_register(dev, controller); +} +EXPORT_SYMBOL_NS_GPL(spacemit_reset_probe, "RESET_SPACEMIT"); + +MODULE_DESCRIPTION("SpacemiT reset controller driver - common code"); +MODULE_LICENSE("GPL"); diff --git a/drivers/reset/spacemit/reset-spacemit-common.h b/drivers/reset/spacemit/reset-spacemit-common.h new file mode 100644 index 000000000000..ffaf2f86eb39 --- /dev/null +++ b/drivers/reset/spacemit/reset-spacemit-common.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * SpacemiT reset controller driver - common definitions + */ + +#ifndef _RESET_SPACEMIT_COMMON_H_ +#define _RESET_SPACEMIT_COMMON_H_ + +#include <linux/auxiliary_bus.h> +#include <linux/regmap.h> +#include <linux/reset-controller.h> +#include <linux/types.h> + +struct ccu_reset_data { + u32 offset; + u32 assert_mask; + u32 deassert_mask; +}; + +struct ccu_reset_controller_data { + const struct ccu_reset_data *reset_data; /* array */ + size_t count; +}; + +struct ccu_reset_controller { + struct reset_controller_dev rcdev; + const struct ccu_reset_controller_data *data; + struct regmap *regmap; +}; + +#define RESET_DATA(_offset, _assert_mask, _deassert_mask) \ + { \ + .offset = (_offset), \ + .assert_mask = (_assert_mask), \ + .deassert_mask = (_deassert_mask), \ + } + +/* Common probe function */ +int spacemit_reset_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id); + +#endif /* _RESET_SPACEMIT_COMMON_H_ */ diff --git a/drivers/reset/reset-spacemit.c b/drivers/reset/spacemit/reset-spacemit-k1.c index e1272aff28f7..8f3b5329ea5f 100644 --- a/drivers/reset/reset-spacemit.c +++ b/drivers/reset/spacemit/reset-spacemit-k1.c @@ -1,41 +1,13 @@ // SPDX-License-Identifier: GPL-2.0-only -/* SpacemiT reset controller driver */ +/* SpacemiT K1 reset controller driver */ -#include <linux/auxiliary_bus.h> -#include <linux/container_of.h> -#include <linux/device.h> #include <linux/module.h> -#include <linux/regmap.h> -#include <linux/reset-controller.h> -#include <linux/types.h> -#include <soc/spacemit/k1-syscon.h> #include <dt-bindings/clock/spacemit,k1-syscon.h> +#include <soc/spacemit/k1-syscon.h> -struct ccu_reset_data { - u32 offset; - u32 assert_mask; - u32 deassert_mask; -}; - -struct ccu_reset_controller_data { - const struct ccu_reset_data *reset_data; /* array */ - size_t count; -}; - -struct ccu_reset_controller { - struct reset_controller_dev rcdev; - const struct ccu_reset_controller_data *data; - struct regmap *regmap; -}; - -#define RESET_DATA(_offset, _assert_mask, _deassert_mask) \ - { \ - .offset = (_offset), \ - .assert_mask = (_assert_mask), \ - .deassert_mask = (_deassert_mask), \ - } +#include "reset-spacemit-common.h" static const struct ccu_reset_data k1_mpmu_resets[] = { [RESET_WDT] = RESET_DATA(MPMU_WDTPCR, BIT(2), 0), @@ -214,91 +186,30 @@ static const struct ccu_reset_controller_data k1_apbc2_reset_data = { .count = ARRAY_SIZE(k1_apbc2_resets), }; -static int spacemit_reset_update(struct reset_controller_dev *rcdev, - unsigned long id, bool assert) -{ - struct ccu_reset_controller *controller; - const struct ccu_reset_data *data; - u32 mask; - u32 val; - - controller = container_of(rcdev, struct ccu_reset_controller, rcdev); - data = &controller->data->reset_data[id]; - mask = data->assert_mask | data->deassert_mask; - val = assert ? data->assert_mask : data->deassert_mask; - - return regmap_update_bits(controller->regmap, data->offset, mask, val); -} - -static int spacemit_reset_assert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - return spacemit_reset_update(rcdev, id, true); -} - -static int spacemit_reset_deassert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - return spacemit_reset_update(rcdev, id, false); -} - -static const struct reset_control_ops spacemit_reset_control_ops = { - .assert = spacemit_reset_assert, - .deassert = spacemit_reset_deassert, -}; - -static int spacemit_reset_controller_register(struct device *dev, - struct ccu_reset_controller *controller) -{ - struct reset_controller_dev *rcdev = &controller->rcdev; - - rcdev->ops = &spacemit_reset_control_ops; - rcdev->owner = THIS_MODULE; - rcdev->of_node = dev->of_node; - rcdev->nr_resets = controller->data->count; - - return devm_reset_controller_register(dev, &controller->rcdev); -} - -static int spacemit_reset_probe(struct auxiliary_device *adev, - const struct auxiliary_device_id *id) -{ - struct spacemit_ccu_adev *rdev = to_spacemit_ccu_adev(adev); - struct ccu_reset_controller *controller; - struct device *dev = &adev->dev; - - controller = devm_kzalloc(dev, sizeof(*controller), GFP_KERNEL); - if (!controller) - return -ENOMEM; - controller->data = (const struct ccu_reset_controller_data *)id->driver_data; - controller->regmap = rdev->regmap; - - return spacemit_reset_controller_register(dev, controller); -} - #define K1_AUX_DEV_ID(_unit) \ { \ - .name = "spacemit_ccu_k1." #_unit "-reset", \ + .name = "spacemit_ccu.k1-" #_unit "-reset", \ .driver_data = (kernel_ulong_t)&k1_ ## _unit ## _reset_data, \ } -static const struct auxiliary_device_id spacemit_reset_ids[] = { +static const struct auxiliary_device_id spacemit_k1_reset_ids[] = { K1_AUX_DEV_ID(mpmu), K1_AUX_DEV_ID(apbc), K1_AUX_DEV_ID(apmu), K1_AUX_DEV_ID(rcpu), K1_AUX_DEV_ID(rcpu2), K1_AUX_DEV_ID(apbc2), - { }, + { /* sentinel */ } }; -MODULE_DEVICE_TABLE(auxiliary, spacemit_reset_ids); +MODULE_DEVICE_TABLE(auxiliary, spacemit_k1_reset_ids); static struct auxiliary_driver spacemit_k1_reset_driver = { .probe = spacemit_reset_probe, - .id_table = spacemit_reset_ids, + .id_table = spacemit_k1_reset_ids, }; module_auxiliary_driver(spacemit_k1_reset_driver); +MODULE_IMPORT_NS("RESET_SPACEMIT"); MODULE_AUTHOR("Alex Elder <elder@kernel.org>"); -MODULE_DESCRIPTION("SpacemiT reset controller driver"); +MODULE_DESCRIPTION("SpacemiT K1 reset controller driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/reset/spacemit/reset-spacemit-k3.c b/drivers/reset/spacemit/reset-spacemit-k3.c new file mode 100644 index 000000000000..e9e32e4c1ba5 --- /dev/null +++ b/drivers/reset/spacemit/reset-spacemit-k3.c @@ -0,0 +1,233 @@ +// SPDX-License-Identifier: GPL-2.0-only + +/* SpacemiT K3 reset controller driver */ + +#include <linux/module.h> + +#include <dt-bindings/reset/spacemit,k3-resets.h> +#include <soc/spacemit/k3-syscon.h> + +#include "reset-spacemit-common.h" + +static const struct ccu_reset_data k3_mpmu_resets[] = { + [RESET_MPMU_WDT] = RESET_DATA(MPMU_WDTPCR, BIT(2), 0), + [RESET_MPMU_RIPC] = RESET_DATA(MPMU_RIPCCR, BIT(2), 0), +}; + +static const struct ccu_reset_controller_data k3_mpmu_reset_data = { + .reset_data = k3_mpmu_resets, + .count = ARRAY_SIZE(k3_mpmu_resets), +}; + +static const struct ccu_reset_data k3_apbc_resets[] = { + [RESET_APBC_UART0] = RESET_DATA(APBC_UART0_CLK_RST, BIT(2), 0), + [RESET_APBC_UART2] = RESET_DATA(APBC_UART2_CLK_RST, BIT(2), 0), + [RESET_APBC_UART3] = RESET_DATA(APBC_UART3_CLK_RST, BIT(2), 0), + [RESET_APBC_UART4] = RESET_DATA(APBC_UART4_CLK_RST, BIT(2), 0), + [RESET_APBC_UART5] = RESET_DATA(APBC_UART5_CLK_RST, BIT(2), 0), + [RESET_APBC_UART6] = RESET_DATA(APBC_UART6_CLK_RST, BIT(2), 0), + [RESET_APBC_UART7] = RESET_DATA(APBC_UART7_CLK_RST, BIT(2), 0), + [RESET_APBC_UART8] = RESET_DATA(APBC_UART8_CLK_RST, BIT(2), 0), + [RESET_APBC_UART9] = RESET_DATA(APBC_UART9_CLK_RST, BIT(2), 0), + [RESET_APBC_UART10] = RESET_DATA(APBC_UART10_CLK_RST, BIT(2), 0), + [RESET_APBC_GPIO] = RESET_DATA(APBC_GPIO_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM0] = RESET_DATA(APBC_PWM0_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM1] = RESET_DATA(APBC_PWM1_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM2] = RESET_DATA(APBC_PWM2_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM3] = RESET_DATA(APBC_PWM3_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM4] = RESET_DATA(APBC_PWM4_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM5] = RESET_DATA(APBC_PWM5_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM6] = RESET_DATA(APBC_PWM6_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM7] = RESET_DATA(APBC_PWM7_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM8] = RESET_DATA(APBC_PWM8_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM9] = RESET_DATA(APBC_PWM9_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM10] = RESET_DATA(APBC_PWM10_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM11] = RESET_DATA(APBC_PWM11_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM12] = RESET_DATA(APBC_PWM12_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM13] = RESET_DATA(APBC_PWM13_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM14] = RESET_DATA(APBC_PWM14_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM15] = RESET_DATA(APBC_PWM15_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM16] = RESET_DATA(APBC_PWM16_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM17] = RESET_DATA(APBC_PWM17_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM18] = RESET_DATA(APBC_PWM18_CLK_RST, BIT(2), 0), + [RESET_APBC_PWM19] = RESET_DATA(APBC_PWM19_CLK_RST, BIT(2), 0), + [RESET_APBC_SPI0] = RESET_DATA(APBC_SSP0_CLK_RST, BIT(2), 0), + [RESET_APBC_SPI1] = RESET_DATA(APBC_SSP1_CLK_RST, BIT(2), 0), + [RESET_APBC_SPI3] = RESET_DATA(APBC_SSP3_CLK_RST, BIT(2), 0), + [RESET_APBC_RTC] = RESET_DATA(APBC_RTC_CLK_RST, BIT(2), 0), + [RESET_APBC_TWSI0] = RESET_DATA(APBC_TWSI0_CLK_RST, BIT(2), 0), + [RESET_APBC_TWSI1] = RESET_DATA(APBC_TWSI1_CLK_RST, BIT(2), 0), + [RESET_APBC_TWSI2] = RESET_DATA(APBC_TWSI2_CLK_RST, BIT(2), 0), + [RESET_APBC_TWSI4] = RESET_DATA(APBC_TWSI4_CLK_RST, BIT(2), 0), + [RESET_APBC_TWSI5] = RESET_DATA(APBC_TWSI5_CLK_RST, BIT(2), 0), + [RESET_APBC_TWSI6] = RESET_DATA(APBC_TWSI6_CLK_RST, BIT(2), 0), + [RESET_APBC_TWSI8] = RESET_DATA(APBC_TWSI8_CLK_RST, BIT(2), 0), + [RESET_APBC_TIMERS0] = RESET_DATA(APBC_TIMERS0_CLK_RST, BIT(2), 0), + [RESET_APBC_TIMERS1] = RESET_DATA(APBC_TIMERS1_CLK_RST, BIT(2), 0), + [RESET_APBC_TIMERS2] = RESET_DATA(APBC_TIMERS2_CLK_RST, BIT(2), 0), + [RESET_APBC_TIMERS3] = RESET_DATA(APBC_TIMERS3_CLK_RST, BIT(2), 0), + [RESET_APBC_TIMERS4] = RESET_DATA(APBC_TIMERS4_CLK_RST, BIT(2), 0), + [RESET_APBC_TIMERS5] = RESET_DATA(APBC_TIMERS5_CLK_RST, BIT(2), 0), + [RESET_APBC_TIMERS6] = RESET_DATA(APBC_TIMERS6_CLK_RST, BIT(2), 0), + [RESET_APBC_TIMERS7] = RESET_DATA(APBC_TIMERS7_CLK_RST, BIT(2), 0), + [RESET_APBC_AIB] = RESET_DATA(APBC_AIB_CLK_RST, BIT(2), 0), + [RESET_APBC_ONEWIRE] = RESET_DATA(APBC_ONEWIRE_CLK_RST, BIT(2), 0), + [RESET_APBC_I2S0] = RESET_DATA(APBC_SSPA0_CLK_RST, BIT(2), 0), + [RESET_APBC_I2S1] = RESET_DATA(APBC_SSPA1_CLK_RST, BIT(2), 0), + [RESET_APBC_I2S2] = RESET_DATA(APBC_SSPA2_CLK_RST, BIT(2), 0), + [RESET_APBC_I2S3] = RESET_DATA(APBC_SSPA3_CLK_RST, BIT(2), 0), + [RESET_APBC_I2S4] = RESET_DATA(APBC_SSPA4_CLK_RST, BIT(2), 0), + [RESET_APBC_I2S5] = RESET_DATA(APBC_SSPA5_CLK_RST, BIT(2), 0), + [RESET_APBC_DRO] = RESET_DATA(APBC_DRO_CLK_RST, BIT(2), 0), + [RESET_APBC_IR0] = RESET_DATA(APBC_IR0_CLK_RST, BIT(2), 0), + [RESET_APBC_IR1] = RESET_DATA(APBC_IR1_CLK_RST, BIT(2), 0), + [RESET_APBC_TSEN] = RESET_DATA(APBC_TSEN_CLK_RST, BIT(2), 0), + [RESET_IPC_AP2AUD] = RESET_DATA(APBC_IPC_AP2AUD_CLK_RST, BIT(2), 0), + [RESET_APBC_CAN0] = RESET_DATA(APBC_CAN0_CLK_RST, BIT(2), 0), + [RESET_APBC_CAN1] = RESET_DATA(APBC_CAN1_CLK_RST, BIT(2), 0), + [RESET_APBC_CAN2] = RESET_DATA(APBC_CAN2_CLK_RST, BIT(2), 0), + [RESET_APBC_CAN3] = RESET_DATA(APBC_CAN3_CLK_RST, BIT(2), 0), + [RESET_APBC_CAN4] = RESET_DATA(APBC_CAN4_CLK_RST, BIT(2), 0), +}; + +static const struct ccu_reset_controller_data k3_apbc_reset_data = { + .reset_data = k3_apbc_resets, + .count = ARRAY_SIZE(k3_apbc_resets), +}; + +static const struct ccu_reset_data k3_apmu_resets[] = { + [RESET_APMU_CSI] = RESET_DATA(APMU_CSI_CCIC2_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_CCIC2PHY] = RESET_DATA(APMU_CSI_CCIC2_CLK_RES_CTRL, 0, BIT(2)), + [RESET_APMU_CCIC3PHY] = RESET_DATA(APMU_CSI_CCIC2_CLK_RES_CTRL, 0, BIT(29)), + [RESET_APMU_ISP_CIBUS] = RESET_DATA(APMU_ISP_CLK_RES_CTRL, 0, BIT(16)), + [RESET_APMU_DSI_ESC] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(3)), + [RESET_APMU_LCD] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(4)), + [RESET_APMU_V2D] = RESET_DATA(APMU_LCD_CLK_RES_CTRL1, 0, BIT(27)), + [RESET_APMU_LCD_MCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL2, 0, BIT(9)), + [RESET_APMU_LCD_DSCCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL2, 0, BIT(15)), + [RESET_APMU_SC2_HCLK] = RESET_DATA(APMU_CCIC_CLK_RES_CTRL, 0, BIT(0)), + [RESET_APMU_CCIC_4X] = RESET_DATA(APMU_CCIC_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_CCIC1_PHY] = RESET_DATA(APMU_CCIC_CLK_RES_CTRL, 0, BIT(2)), + [RESET_APMU_SDH_AXI] = RESET_DATA(APMU_SDH0_CLK_RES_CTRL, 0, BIT(0)), + [RESET_APMU_SDH0] = RESET_DATA(APMU_SDH0_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_SDH1] = RESET_DATA(APMU_SDH1_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_SDH2] = RESET_DATA(APMU_SDH2_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_USB2] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, + BIT(1)|BIT(2)|BIT(3)), + [RESET_APMU_USB3_PORTA] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, + BIT(5)|BIT(6)|BIT(7)), + [RESET_APMU_USB3_PORTB] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, + BIT(9)|BIT(10)|BIT(11)), + [RESET_APMU_USB3_PORTC] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, + BIT(13)|BIT(14)|BIT(15)), + [RESET_APMU_USB3_PORTD] = RESET_DATA(APMU_USB_CLK_RES_CTRL, 0, + BIT(17)|BIT(18)|BIT(19)), + [RESET_APMU_QSPI] = RESET_DATA(APMU_QSPI_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_QSPI_BUS] = RESET_DATA(APMU_QSPI_CLK_RES_CTRL, 0, BIT(0)), + [RESET_APMU_DMA] = RESET_DATA(APMU_DMA_CLK_RES_CTRL, 0, BIT(0)), + [RESET_APMU_AES_WTM] = RESET_DATA(APMU_AES_CLK_RES_CTRL, 0, BIT(4)), + [RESET_APMU_MCB_DCLK] = RESET_DATA(APMU_MCB_CLK_RES_CTRL, 0, BIT(0)), + [RESET_APMU_MCB_ACLK] = RESET_DATA(APMU_MCB_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_VPU] = RESET_DATA(APMU_VPU_CLK_RES_CTRL, 0, BIT(0)), + [RESET_APMU_DTC] = RESET_DATA(APMU_DTC_CLK_RES_CTRL, 0, BIT(0)), + [RESET_APMU_GPU] = RESET_DATA(APMU_GPU_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_MC] = RESET_DATA(APMU_PMUA_MC_CTRL, 0, BIT(0)), + [RESET_APMU_CPU0_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(0), 0), + [RESET_APMU_CPU0_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(1), 0), + [RESET_APMU_CPU1_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(3), 0), + [RESET_APMU_CPU1_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(4), 0), + [RESET_APMU_CPU2_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(6), 0), + [RESET_APMU_CPU2_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(7), 0), + [RESET_APMU_CPU3_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(9), 0), + [RESET_APMU_CPU3_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(10), 0), + [RESET_APMU_C0_MPSUB_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(12), 0), + [RESET_APMU_CPU4_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(16), 0), + [RESET_APMU_CPU4_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(17), 0), + [RESET_APMU_CPU5_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(19), 0), + [RESET_APMU_CPU5_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(20), 0), + [RESET_APMU_CPU6_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(22), 0), + [RESET_APMU_CPU6_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(23), 0), + [RESET_APMU_CPU7_POP] = RESET_DATA(APMU_PMU_CC2_AP, BIT(25), 0), + [RESET_APMU_CPU7_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(26), 0), + [RESET_APMU_C1_MPSUB_SW] = RESET_DATA(APMU_PMU_CC2_AP, BIT(28), 0), + [RESET_APMU_MPSUB_DBG] = RESET_DATA(APMU_PMU_CC2_AP, BIT(29), 0), + [RESET_APMU_UCIE] = RESET_DATA(APMU_UCIE_CTRL, + BIT(1) | BIT(2) | BIT(3), 0), + [RESET_APMU_RCPU] = RESET_DATA(APMU_RCPU_CLK_RES_CTRL, 0, + BIT(3) | BIT(2) | BIT(0)), + [RESET_APMU_DSI4LN2_ESCCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL3, 0, BIT(3)), + [RESET_APMU_DSI4LN2_LCD_SW] = RESET_DATA(APMU_LCD_CLK_RES_CTRL3, 0, BIT(4)), + [RESET_APMU_DSI4LN2_LCD_MCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL4, 0, BIT(9)), + [RESET_APMU_DSI4LN2_LCD_DSCCLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL4, 0, BIT(15)), + [RESET_APMU_DSI4LN2_DPU_ACLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL5, 0, BIT(0)), + [RESET_APMU_DPU_ACLK] = RESET_DATA(APMU_LCD_CLK_RES_CTRL5, 0, BIT(15)), + [RESET_APMU_UFS_ACLK] = RESET_DATA(APMU_UFS_CLK_RES_CTRL, 0, BIT(0)), + [RESET_APMU_EDP0] = RESET_DATA(APMU_LCD_EDP_CTRL, 0, BIT(0)), + [RESET_APMU_EDP1] = RESET_DATA(APMU_LCD_EDP_CTRL, 0, BIT(16)), + [RESET_APMU_PCIE_PORTA] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_A, 0, + BIT(5) | BIT(4) | BIT(3)), + [RESET_APMU_PCIE_PORTB] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_B, 0, + BIT(5) | BIT(4) | BIT(3)), + [RESET_APMU_PCIE_PORTC] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_C, 0, + BIT(5) | BIT(4) | BIT(3)), + [RESET_APMU_PCIE_PORTD] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_D, 0, + BIT(5) | BIT(4) | BIT(3)), + [RESET_APMU_PCIE_PORTE] = RESET_DATA(APMU_PCIE_CLK_RES_CTRL_E, 0, + BIT(5) | BIT(4) | BIT(3)), + [RESET_APMU_EMAC0] = RESET_DATA(APMU_EMAC0_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_EMAC1] = RESET_DATA(APMU_EMAC1_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_EMAC2] = RESET_DATA(APMU_EMAC2_CLK_RES_CTRL, 0, BIT(1)), + [RESET_APMU_ESPI_MCLK] = RESET_DATA(APMU_ESPI_CLK_RES_CTRL, 0, BIT(0)), + [RESET_APMU_ESPI_SCLK] = RESET_DATA(APMU_ESPI_CLK_RES_CTRL, 0, BIT(2)), +}; + +static const struct ccu_reset_controller_data k3_apmu_reset_data = { + .reset_data = k3_apmu_resets, + .count = ARRAY_SIZE(k3_apmu_resets), +}; + +static const struct ccu_reset_data k3_dciu_resets[] = { + [RESET_DCIU_HDMA] = RESET_DATA(DCIU_DMASYS_RSTN, 0, BIT(0)), + [RESET_DCIU_DMA350] = RESET_DATA(DCIU_DMASYS_SDMA_RSTN, 0, BIT(0)), + [RESET_DCIU_DMA350_0] = RESET_DATA(DCIU_DMASYS_S0_RSTN, 0, BIT(0)), + [RESET_DCIU_DMA350_1] = RESET_DATA(DCIU_DMASYS_S1_RSTN, 0, BIT(0)), + [RESET_DCIU_AXIDMA0] = RESET_DATA(DCIU_DMASYS_A0_RSTN, 0, BIT(0)), + [RESET_DCIU_AXIDMA1] = RESET_DATA(DCIU_DMASYS_A1_RSTN, 0, BIT(0)), + [RESET_DCIU_AXIDMA2] = RESET_DATA(DCIU_DMASYS_A2_RSTN, 0, BIT(0)), + [RESET_DCIU_AXIDMA3] = RESET_DATA(DCIU_DMASYS_A3_RSTN, 0, BIT(0)), + [RESET_DCIU_AXIDMA4] = RESET_DATA(DCIU_DMASYS_A4_RSTN, 0, BIT(0)), + [RESET_DCIU_AXIDMA5] = RESET_DATA(DCIU_DMASYS_A5_RSTN, 0, BIT(0)), + [RESET_DCIU_AXIDMA6] = RESET_DATA(DCIU_DMASYS_A6_RSTN, 0, BIT(0)), + [RESET_DCIU_AXIDMA7] = RESET_DATA(DCIU_DMASYS_A7_RSTN, 0, BIT(0)), +}; + +static const struct ccu_reset_controller_data k3_dciu_reset_data = { + .reset_data = k3_dciu_resets, + .count = ARRAY_SIZE(k3_dciu_resets), +}; + +#define K3_AUX_DEV_ID(_unit) \ + { \ + .name = "spacemit_ccu.k3-" #_unit "-reset", \ + .driver_data = (kernel_ulong_t)&k3_ ## _unit ## _reset_data, \ + } + +static const struct auxiliary_device_id spacemit_k3_reset_ids[] = { + K3_AUX_DEV_ID(mpmu), + K3_AUX_DEV_ID(apbc), + K3_AUX_DEV_ID(apmu), + K3_AUX_DEV_ID(dciu), + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(auxiliary, spacemit_k3_reset_ids); + +static struct auxiliary_driver spacemit_k3_reset_driver = { + .probe = spacemit_reset_probe, + .id_table = spacemit_k3_reset_ids, +}; +module_auxiliary_driver(spacemit_k3_reset_driver); + +MODULE_IMPORT_NS("RESET_SPACEMIT"); +MODULE_AUTHOR("Guodong Xu <guodong@riscstar.com>"); +MODULE_DESCRIPTION("SpacemiT K3 reset controller driver"); +MODULE_LICENSE("GPL"); |
