diff options
| author | Tom Rini <trini@konsulko.com> | 2025-05-08 09:22:25 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2025-05-08 09:22:25 -0600 |
| commit | ffd5d9cc2720f225fc6e8fa557cb3487965b7067 (patch) | |
| tree | b9626c31b7a021a6405670a5b9a3ba6737e499f3 /drivers | |
| parent | ac204f07b28aedc26ffe0c52f919cda01fc01361 (diff) | |
| parent | d5b9b7aa039b03e6de4b32cc961f7ec1205ded75 (diff) | |
Merge branch 'staging' of https://source.denx.de/u-boot/custodians/u-boot-tegra
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpio/tegra_gpio.c | 11 | ||||
| -rw-r--r-- | drivers/power/pmic/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/power/pmic/Makefile | 1 | ||||
| -rw-r--r-- | drivers/power/pmic/max8907.c | 94 | ||||
| -rw-r--r-- | drivers/power/regulator/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/power/regulator/Makefile | 1 | ||||
| -rw-r--r-- | drivers/power/regulator/max8907_regulator.c | 249 | ||||
| -rw-r--r-- | drivers/sysreset/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/sysreset/Makefile | 1 | ||||
| -rw-r--r-- | drivers/sysreset/sysreset_max8907.c | 37 | ||||
| -rw-r--r-- | drivers/video/Kconfig | 26 | ||||
| -rw-r--r-- | drivers/video/Makefile | 3 | ||||
| -rw-r--r-- | drivers/video/aat2870_backlight.c | 132 | ||||
| -rw-r--r-- | drivers/video/hitachi-tx10d07vm0baa.c | 304 | ||||
| -rw-r--r-- | drivers/video/lg-lh400wv3-sd04.c | 230 | ||||
| -rw-r--r-- | drivers/video/tegra/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/video/tegra/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/tegra/cpu-bridge.c | 325 |
18 files changed, 1450 insertions, 0 deletions
diff --git a/drivers/gpio/tegra_gpio.c b/drivers/gpio/tegra_gpio.c index b83df351e74..3d1e18854f2 100644 --- a/drivers/gpio/tegra_gpio.c +++ b/drivers/gpio/tegra_gpio.c @@ -248,6 +248,16 @@ static int tegra_gpio_xlate(struct udevice *dev, struct gpio_desc *desc, return 0; } +static int tegra_gpio_rfree(struct udevice *dev, unsigned int offset) +{ + struct tegra_port_info *state = dev_get_priv(dev); + + /* Set the pin as a SFIO */ + set_config(state->base_gpio + offset, CFG_SFIO); + + return 0; +} + static const struct dm_gpio_ops gpio_tegra_ops = { .direction_input = tegra_gpio_direction_input, .direction_output = tegra_gpio_direction_output, @@ -255,6 +265,7 @@ static const struct dm_gpio_ops gpio_tegra_ops = { .set_value = tegra_gpio_set_value, .get_function = tegra_gpio_get_function, .xlate = tegra_gpio_xlate, + .rfree = tegra_gpio_rfree, }; /* diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig index 5a61cd45b8c..ec7ccc3a63f 100644 --- a/drivers/power/pmic/Kconfig +++ b/drivers/power/pmic/Kconfig @@ -184,6 +184,15 @@ config SPL_DM_PMIC_PFUZE100 This config enables implementation of driver-model pmic uclass features for PMIC PFUZE100 in SPL. The driver implements read/write operations. +config DM_PMIC_MAX8907 + bool "Enable Driver Model for PMIC MAX8907" + ---help--- + This config enables implementation of driver-model pmic uclass features + for PMIC MAX8907. The driver implements read/write operations. + This is a Power Management IC with a decent set of peripherals from which + 3 DC-to-DC Step-Down (SD) Regulators, 20 Low-Dropout Linear (LDO) Regulators, + Real-Time Clock (RTC) and more with I2C Compatible Interface. + config DM_PMIC_MAX77663 bool "Enable Driver Model for PMIC MAX77663" ---help--- diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile index 2210b1a64ae..6bebffb05a6 100644 --- a/drivers/power/pmic/Makefile +++ b/drivers/power/pmic/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_$(PHASE_)DM_PMIC) += pmic-uclass.o obj-$(CONFIG_$(PHASE_)DM_PMIC_FAN53555) += fan53555.o obj-$(CONFIG_$(PHASE_)DM_PMIC_DA9063) += da9063.o obj-$(CONFIG_$(PHASE_)DM_PMIC_MAX77663) += max77663.o +obj-$(CONFIG_$(PHASE_)DM_PMIC_MAX8907) += max8907.o obj-$(CONFIG_DM_PMIC_MAX77686) += max77686.o obj-$(CONFIG_DM_PMIC_MAX8998) += max8998.o obj-$(CONFIG_DM_PMIC_MC34708) += mc34708.o diff --git a/drivers/power/pmic/max8907.c b/drivers/power/pmic/max8907.c new file mode 100644 index 00000000000..a7ef70177de --- /dev/null +++ b/drivers/power/pmic/max8907.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright(C) 2024 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <dm.h> +#include <dm/lists.h> +#include <power/pmic.h> +#include <power/max8907.h> + +static const struct pmic_child_info pmic_children_info[] = { + { .prefix = "ldo", .driver = MAX8907_LDO_DRIVER }, + { .prefix = "sd", .driver = MAX8907_SD_DRIVER }, + { }, +}; + +static int max8907_write(struct udevice *dev, uint reg, const uint8_t *buff, int len) +{ + int ret; + + ret = dm_i2c_write(dev, reg, buff, len); + if (ret) { + log_debug("%s: write error to device: %p register: %#x!\n", + __func__, dev, reg); + return ret; + } + + return 0; +} + +static int max8907_read(struct udevice *dev, uint reg, uint8_t *buff, int len) +{ + int ret; + + ret = dm_i2c_read(dev, reg, buff, len); + if (ret) { + log_debug("%s: read error from device: %p register: %#x!\n", + __func__, dev, reg); + return ret; + } + + return 0; +} + +static int max8907_bind(struct udevice *dev) +{ + ofnode regulators_node; + int children, ret; + + if (IS_ENABLED(CONFIG_SYSRESET_MAX8907) && + dev_read_bool(dev, "maxim,system-power-controller")) { + ret = device_bind_driver_to_node(dev, MAX8907_RST_DRIVER, + "sysreset", dev_ofnode(dev), + NULL); + if (ret) { + log_debug("%s: cannot bind SYSRESET (ret = %d)\n", + __func__, ret); + return ret; + } + } + + regulators_node = dev_read_subnode(dev, "regulators"); + if (!ofnode_valid(regulators_node)) { + log_err("%s regulators subnode not found!\n", dev->name); + return -ENXIO; + } + + log_debug("%s: '%s' - found regulators subnode\n", __func__, dev->name); + + children = pmic_bind_children(dev, regulators_node, pmic_children_info); + if (!children) + log_err("%s - no child found\n", dev->name); + + /* Always return success for this device */ + return 0; +} + +static struct dm_pmic_ops max8907_ops = { + .read = max8907_read, + .write = max8907_write, +}; + +static const struct udevice_id max8907_ids[] = { + { .compatible = "maxim,max8907" }, + { } +}; + +U_BOOT_DRIVER(pmic_max8907) = { + .name = "max8907_pmic", + .id = UCLASS_PMIC, + .of_match = max8907_ids, + .bind = max8907_bind, + .ops = &max8907_ops, +}; diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig index 95912ef5633..7ed435f0202 100644 --- a/drivers/power/regulator/Kconfig +++ b/drivers/power/regulator/Kconfig @@ -148,6 +148,15 @@ config SPL_REGULATOR_PWM This config enables implementation of driver-model regulator uclass features for PWM regulators in SPL. +config DM_REGULATOR_MAX8907 + bool "Enable Driver Model for REGULATOR MAX8907" + depends on DM_REGULATOR && DM_PMIC_MAX8907 + ---help--- + This config enables implementation of driver-model regulator uclass + features for REGULATOR MAX8907. The driver supports both DC-to-DC + Step-Down (SD) Regulators and Low-Dropout Linear (LDO) Regulators + found in MAX8907 PMIC and implements get/set api for value and enable. + config DM_REGULATOR_MAX77663 bool "Enable Driver Model for REGULATOR MAX77663" depends on DM_REGULATOR && DM_PMIC_MAX77663 diff --git a/drivers/power/regulator/Makefile b/drivers/power/regulator/Makefile index 0ee5d908a2a..ee8f56ea3b9 100644 --- a/drivers/power/regulator/Makefile +++ b/drivers/power/regulator/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_$(PHASE_)REGULATOR_AXP_DRIVEVBUS) += axp_drivevbus.o obj-$(CONFIG_$(PHASE_)REGULATOR_AXP_USB_POWER) += axp_usb_power.o obj-$(CONFIG_$(PHASE_)DM_REGULATOR_DA9063) += da9063.o obj-$(CONFIG_$(PHASE_)DM_REGULATOR_MAX77663) += max77663_regulator.o +obj-$(CONFIG_$(PHASE_)DM_REGULATOR_MAX8907) += max8907_regulator.o obj-$(CONFIG_DM_REGULATOR_MAX77686) += max77686.o obj-$(CONFIG_DM_REGULATOR_NPCM8XX) += npcm8xx_regulator.o obj-$(CONFIG_$(PHASE_)DM_PMIC_PFUZE100) += pfuze100.o diff --git a/drivers/power/regulator/max8907_regulator.c b/drivers/power/regulator/max8907_regulator.c new file mode 100644 index 00000000000..00ecd4b808b --- /dev/null +++ b/drivers/power/regulator/max8907_regulator.c @@ -0,0 +1,249 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright(C) 2024 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <dm.h> +#include <power/pmic.h> +#include <power/regulator.h> +#include <power/max8907.h> + +static const char max8907_regmap[] = { + 0x00, MAX8907_REG_SDCTL1, MAX8907_REG_SDCTL2, MAX8907_REG_SDCTL3, + MAX8907_REG_LDOCTL1, MAX8907_REG_LDOCTL2, MAX8907_REG_LDOCTL3, + MAX8907_REG_LDOCTL4, MAX8907_REG_LDOCTL5, MAX8907_REG_LDOCTL6, + MAX8907_REG_LDOCTL7, MAX8907_REG_LDOCTL8, MAX8907_REG_LDOCTL9, + MAX8907_REG_LDOCTL10, MAX8907_REG_LDOCTL11, MAX8907_REG_LDOCTL12, + MAX8907_REG_LDOCTL13, MAX8907_REG_LDOCTL14, MAX8907_REG_LDOCTL15, + MAX8907_REG_LDOCTL16, MAX8907_REG_LDOCTL17, MAX8907_REG_LDOCTL18, + MAX8907_REG_LDOCTL19, MAX8907_REG_LDOCTL20 +}; + +static int max8907_enable(struct udevice *dev, int op, bool *enable) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + int val, ret = 0; + + if (op == PMIC_OP_GET) { + val = pmic_reg_read(dev->parent, uc_pdata->ctrl_reg); + if (val < 0) + return val; + + if (val & MAX8907_MASK_LDO_EN) + *enable = true; + else + *enable = false; + } else if (op == PMIC_OP_SET) { + if (*enable) { + ret = pmic_clrsetbits(dev->parent, + uc_pdata->ctrl_reg, + MAX8907_MASK_LDO_EN | + MAX8907_MASK_LDO_SEQ, + MAX8907_MASK_LDO_EN | + MAX8907_MASK_LDO_SEQ); + } else { + ret = pmic_clrsetbits(dev->parent, + uc_pdata->ctrl_reg, + MAX8907_MASK_LDO_EN | + MAX8907_MASK_LDO_SEQ, + MAX8907_MASK_LDO_SEQ); + } + } + + return ret; +} + +static int max8907_get_enable(struct udevice *dev) +{ + bool enable = false; + int ret; + + ret = max8907_enable(dev, PMIC_OP_GET, &enable); + if (ret) + return ret; + + return enable; +} + +static int max8907_set_enable(struct udevice *dev, bool enable) +{ + return max8907_enable(dev, PMIC_OP_SET, &enable); +} + +/** + * max8907_volt2hex() - convert voltage in uV into + * applicable to register hex value + * + * @idx: regulator index + * @uV: voltage in uV + * + * Return: voltage in hex on success, -ve on failure + */ +static int max8907_volt2hex(int idx, int uV) +{ + switch (idx) { + case 1: /* SD1 */ + if (uV > SD1_VOLT_MAX || uV < SD1_VOLT_MIN) + break; + + return (uV - SD1_VOLT_MIN) / SD1_VOLT_STEP; + + case 2: /* SD2 */ + if (uV > SD2_VOLT_MAX || uV < SD2_VOLT_MIN) + break; + + return (uV - SD2_VOLT_MIN) / SD2_VOLT_STEP; + + case 3: /* SD3 */ + if (uV > SD2_VOLT_MAX || uV < SD2_VOLT_MIN) + break; + + return (uV - SD2_VOLT_MIN) / SD2_VOLT_STEP; + + case 5: /* LDO2 */ + case 6: /* LDO3 */ + case 20: /* LDO17 */ + case 21: /* LDO18 */ + if (uV > LDO_650_VOLT_MAX || uV < LDO_650_VOLT_MIN) + break; + + return (uV - LDO_650_VOLT_MIN) / LDO_650_VOLT_STEP; + + default: /* LDO1, 4..16, 19..20 */ + if (uV > LDO_750_VOLT_MAX || uV < LDO_750_VOLT_MIN) + break; + + return (uV - LDO_750_VOLT_MIN) / LDO_750_VOLT_STEP; + }; + + return -EINVAL; +} + +/** + * max8907_hex2volt() - convert register hex value into + * actual voltage in uV + * + * @idx: regulator index + * @hex: hex value of register + * + * Return: voltage in uV on success, -ve on failure + */ +static int max8907_hex2volt(int idx, int hex) +{ + switch (idx) { + case 1: + return hex * SD1_VOLT_STEP + SD1_VOLT_MIN; + + case 2: + return hex * SD2_VOLT_STEP + SD2_VOLT_MIN; + + case 3: + return hex * SD3_VOLT_STEP + SD3_VOLT_MIN; + + case 5: /* LDO2 */ + case 6: /* LDO3 */ + case 20: /* LDO17 */ + case 21: /* LDO18 */ + return hex * LDO_650_VOLT_STEP + LDO_650_VOLT_MIN; + + default: /* LDO1, 4..16, 19..20 */ + return hex * LDO_750_VOLT_STEP + LDO_750_VOLT_MIN; + }; + + return -EINVAL; +} + +static int max8907_val(struct udevice *dev, int op, int *uV) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + int idx = dev->driver_data; + int hex, ret; + + if (op == PMIC_OP_GET) { + hex = pmic_reg_read(dev->parent, uc_pdata->volt_reg); + if (hex < 0) + return hex; + + *uV = 0; + + ret = max8907_hex2volt(idx, hex); + if (ret < 0) + return ret; + *uV = ret; + + return 0; + } + + hex = max8907_volt2hex(idx, *uV); + if (hex < 0) + return hex; + + return pmic_reg_write(dev->parent, uc_pdata->volt_reg, hex); +} + +static int max8907_get_value(struct udevice *dev) +{ + int uV; + int ret; + + ret = max8907_val(dev, PMIC_OP_GET, &uV); + if (ret) + return ret; + + return uV; +} + +static int max8907_set_value(struct udevice *dev, int uV) +{ + return max8907_val(dev, PMIC_OP_SET, &uV); +} + +static const struct dm_regulator_ops max8907_regulator_ops = { + .get_value = max8907_get_value, + .set_value = max8907_set_value, + .get_enable = max8907_get_enable, + .set_enable = max8907_set_enable, +}; + +static int max8907_sd_probe(struct udevice *dev) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + int idx = dev->driver_data; + + uc_pdata->type = REGULATOR_TYPE_BUCK; + uc_pdata->ctrl_reg = max8907_regmap[idx]; + uc_pdata->volt_reg = uc_pdata->ctrl_reg + MAX8907_VOUT; + + return 0; +} + +U_BOOT_DRIVER(max8907_sd) = { + .name = MAX8907_SD_DRIVER, + .id = UCLASS_REGULATOR, + .ops = &max8907_regulator_ops, + .probe = max8907_sd_probe, +}; + +static int max8907_ldo_probe(struct udevice *dev) +{ + struct dm_regulator_uclass_plat *uc_pdata = + dev_get_uclass_plat(dev); + /* LDO regulator id is shifted by number for SD regulators */ + int idx = dev->driver_data + 3; + + uc_pdata->type = REGULATOR_TYPE_LDO; + uc_pdata->ctrl_reg = max8907_regmap[idx]; + uc_pdata->volt_reg = uc_pdata->ctrl_reg + MAX8907_VOUT; + + return 0; +} + +U_BOOT_DRIVER(max8907_ldo) = { + .name = MAX8907_LDO_DRIVER, + .id = UCLASS_REGULATOR, + .ops = &max8907_regulator_ops, + .probe = max8907_ldo_probe, +}; diff --git a/drivers/sysreset/Kconfig b/drivers/sysreset/Kconfig index 4972905482a..aa83073c96a 100644 --- a/drivers/sysreset/Kconfig +++ b/drivers/sysreset/Kconfig @@ -131,6 +131,13 @@ config SYSRESET_MAX77663 help Enable system power management functions found in MAX77663 PMIC. +config SYSRESET_MAX8907 + bool "Enable support for MAX8907 PMIC System Reset" + depends on DM_PMIC_MAX8907 + select SYSRESET_CMD_POWEROFF if CMD_POWEROFF + help + Enable system power management functions found in MAX8907 PMIC. + config SYSRESET_MICROBLAZE bool "Enable support for Microblaze soft reset" depends on MICROBLAZE diff --git a/drivers/sysreset/Makefile b/drivers/sysreset/Makefile index ded91a4d325..f5c78b25896 100644 --- a/drivers/sysreset/Makefile +++ b/drivers/sysreset/Makefile @@ -11,6 +11,7 @@ obj-$(CONFIG_SYSRESET_CV1800B) += sysreset_cv1800b.o obj-$(CONFIG_$(PHASE_)POWEROFF_GPIO) += poweroff_gpio.o obj-$(CONFIG_$(PHASE_)SYSRESET_GPIO) += sysreset_gpio.o obj-$(CONFIG_$(PHASE_)SYSRESET_MAX77663) += sysreset_max77663.o +obj-$(CONFIG_$(PHASE_)SYSRESET_MAX8907) += sysreset_max8907.o obj-$(CONFIG_SYSRESET_MPC83XX) += sysreset_mpc83xx.o obj-$(CONFIG_SYSRESET_MICROBLAZE) += sysreset_microblaze.o obj-$(CONFIG_SYSRESET_OCTEON) += sysreset_octeon.o diff --git a/drivers/sysreset/sysreset_max8907.c b/drivers/sysreset/sysreset_max8907.c new file mode 100644 index 00000000000..6f62af9bffe --- /dev/null +++ b/drivers/sysreset/sysreset_max8907.c @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright(C) 2024 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <dm.h> +#include <i2c.h> +#include <errno.h> +#include <sysreset.h> +#include <power/pmic.h> +#include <power/max8907.h> + +static int max8907_sysreset_request(struct udevice *dev, enum sysreset_t type) +{ + switch (type) { + case SYSRESET_POWER: + case SYSRESET_POWER_OFF: + /* MAX8907: PWR_OFF > RESET_CNFG */ + pmic_clrsetbits(dev->parent, MAX8907_REG_RESET_CNFG, + MASK_POWER_OFF, MASK_POWER_OFF); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops max8907_sysreset = { + .request = max8907_sysreset_request, +}; + +U_BOOT_DRIVER(sysreset_max8907) = { + .id = UCLASS_SYSRESET, + .name = MAX8907_RST_DRIVER, + .ops = &max8907_sysreset, +}; diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index fe70e98f964..dfe4b3b8a02 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -581,6 +581,14 @@ config VIDEO_LCD_LG_LD070WX3 Say Y here if you want to enable support for LG LD070WX3 800x1280 DSI video mode panel. +config VIDEO_LCD_LG_LH400WV3 + bool "LH400WV3-SD04 DSI LCD panel support" + depends on PANEL && BACKLIGHT + select VIDEO_MIPI_DSI + help + Say Y here if you want to enable support for LG LH400WV3 + 480x800 DSI video mode panel. + config VIDEO_LCD_RAYDIUM_RM68200 bool "RM68200 DSI LCD panel support" select VIDEO_MIPI_DSI @@ -668,6 +676,14 @@ config VIDEO_LCD_TDO_TL070WSH30 Say Y here if you want to enable support for TDO TL070WSH30 1024x600 DSI video mode panel. +config VIDEO_LCD_HITACHI_TX10D07VM0BAA + tristate "Hitachi TX10D07VM0BAA 480x800 MIPI DSI video mode panel" + depends on PANEL && BACKLIGHT + select VIDEO_MIPI_DSI + help + Say Y here if you want to enable support for Hitachi TX10D07VM0BAA + TFT-LCD module. The panel has a 480x800 resolution. + config VIDEO_LCD_HITACHI_TX18D42VM bool "Hitachi tx18d42vm LVDS LCD panel support" ---help--- @@ -767,6 +783,16 @@ config ATMEL_HLCD help HLCDC supports video output to an attached LCD panel. +config BACKLIGHT_AAT2870 + bool "Backlight Driver for AAT2870" + depends on BACKLIGHT + select DM_I2C + help + Say Y to enable the backlight driver for Skyworks AAT2870 LED + Backlight Driver and Multiple LDO Lighting Management Unit. + Only backlight is supported as for now. Supported backlight + level range is from 2 to 255 with step of 1. + config BACKLIGHT_LM3532 bool "Backlight Driver for LM3532" depends on BACKLIGHT diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 31f68585fe4..ebe4a3961fc 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_$(PHASE_)BMP) += bmp.o endif +obj-$(CONFIG_BACKLIGHT_AAT2870) += aat2870_backlight.o obj-$(CONFIG_BACKLIGHT_LM3532) += lm3532_backlight.o obj-$(CONFIG_BACKLIGHT_LM3533) += lm3533_backlight.o obj-$(CONFIG_BACKLIGHT_LP855x) += lp855x_backlight.o @@ -58,8 +59,10 @@ obj-$(CONFIG_VIDEO_IVYBRIDGE_IGD) += ivybridge_igd.o obj-$(CONFIG_VIDEO_LCD_ANX9804) += anx9804.o obj-$(CONFIG_VIDEO_LCD_ENDEAVORU) += endeavoru-panel.o obj-$(CONFIG_VIDEO_LCD_HIMAX_HX8394) += himax-hx8394.o +obj-$(CONFIG_VIDEO_LCD_HITACHI_TX10D07VM0BAA) += hitachi-tx10d07vm0baa.o obj-$(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM) += hitachi_tx18d42vm_lcd.o obj-$(CONFIG_VIDEO_LCD_LG_LD070WX3) += lg-ld070wx3.o +obj-$(CONFIG_VIDEO_LCD_LG_LH400WV3) += lg-lh400wv3-sd04.o obj-$(CONFIG_VIDEO_LCD_MOT) += mot-panel.o obj-$(CONFIG_VIDEO_LCD_NOVATEK_NT35510) += novatek-nt35510.o obj-$(CONFIG_VIDEO_LCD_ORISETECH_OTM8009A) += orisetech_otm8009a.o diff --git a/drivers/video/aat2870_backlight.c b/drivers/video/aat2870_backlight.c new file mode 100644 index 00000000000..209d15b3639 --- /dev/null +++ b/drivers/video/aat2870_backlight.c @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2024 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#define LOG_CATEGORY UCLASS_PANEL_BACKLIGHT + +#include <backlight.h> +#include <dm.h> +#include <i2c.h> +#include <log.h> +#include <linux/err.h> +#include <asm/gpio.h> +#include <power/regulator.h> + +#define AAT2870_BL_MIN_BRIGHTNESS 0x01 +#define AAT2870_BL_DEF_BRIGHTNESS 0x64 +#define AAT2870_BL_MAX_BRIGHTNESS 0xff + +#define AAT2870_BL_CH_EN 0x00 +#define AAT2870_BLM 0x01 + +#define AAT2870_BL_CH_ALL 0xff + +#define AAT2870_CURRENT_MAX 27900000 +#define AAT2870_CURRENT_STEP 900000 + +struct aat2870_backlight_priv { + struct gpio_desc enable_gpio; + + int channels; + int max_current; +}; + +static int aat2870_backlight_enable(struct udevice *dev) +{ + struct aat2870_backlight_priv *priv = dev_get_priv(dev); + int ret; + + dm_gpio_set_value(&priv->enable_gpio, 1); + + /* Enable backlight for defined set of channels */ + ret = dm_i2c_reg_write(dev, AAT2870_BL_CH_EN, priv->channels); + if (ret) + return ret; + + return 0; +} + +static int aat2870_backlight_set_brightness(struct udevice *dev, int percent) +{ + struct aat2870_backlight_priv *priv = dev_get_priv(dev); + int brightness, ret; + + if (percent == BACKLIGHT_DEFAULT) + percent = AAT2870_BL_DEF_BRIGHTNESS; + + if (percent < AAT2870_BL_MIN_BRIGHTNESS) + percent = AAT2870_BL_MIN_BRIGHTNESS; + + if (percent > AAT2870_BL_MAX_BRIGHTNESS) + percent = AAT2870_BL_MAX_BRIGHTNESS; + + brightness = percent * priv->max_current; + brightness /= AAT2870_BL_MAX_BRIGHTNESS; + + /* Set brightness level */ + ret = dm_i2c_reg_write(dev, AAT2870_BLM, brightness); + if (ret) + return ret; + + return 0; +} + +static int aat2870_backlight_of_to_plat(struct udevice *dev) +{ + struct aat2870_backlight_priv *priv = dev_get_priv(dev); + int ret; + + ret = gpio_request_by_name(dev, "enable-gpios", 0, + &priv->enable_gpio, GPIOD_IS_OUT); + if (ret) { + log_err("%s: cannot get enable-gpios (%d)\n", + __func__, ret); + return ret; + } + + /* Backlight is one of children but has no dedicated driver */ + ofnode backlight = ofnode_find_subnode(dev_ofnode(dev), "backlight"); + if (ofnode_valid(backlight) && ofnode_is_enabled(backlight)) { + /* Number of channel is equal to bit number */ + priv->channels = dev_read_u32_default(dev, "channels", AAT2870_BL_CH_ALL); + if (priv->channels != AAT2870_BL_CH_ALL) + priv->channels = BIT(priv->channels); + + /* 450mA - 27900mA range with a 900mA step */ + priv->max_current = dev_read_u32_default(dev, "current-max-microamp", + AAT2870_CURRENT_MAX); + priv->max_current /= AAT2870_CURRENT_STEP; + } + + return 0; +} + +static int aat2870_backlight_probe(struct udevice *dev) +{ + if (device_get_uclass_id(dev->parent) != UCLASS_I2C) + return -EPROTONOSUPPORT; + + return 0; +} + +static const struct backlight_ops aat2870_backlight_ops = { + .enable = aat2870_backlight_enable, + .set_brightness = aat2870_backlight_set_brightness, +}; + +static const struct udevice_id aat2870_backlight_ids[] = { + { .compatible = "analogictech,aat2870" }, + { .compatible = "skyworks,aat2870" }, + { } +}; + +U_BOOT_DRIVER(aat2870_backlight) = { + .name = "aat2870_backlight", + .id = UCLASS_PANEL_BACKLIGHT, + .of_match = aat2870_backlight_ids, + .of_to_plat = aat2870_backlight_of_to_plat, + .probe = aat2870_backlight_probe, + .ops = &aat2870_backlight_ops, + .priv_auto = sizeof(struct aat2870_backlight_priv), +}; diff --git a/drivers/video/hitachi-tx10d07vm0baa.c b/drivers/video/hitachi-tx10d07vm0baa.c new file mode 100644 index 00000000000..95b2f7bfc41 --- /dev/null +++ b/drivers/video/hitachi-tx10d07vm0baa.c @@ -0,0 +1,304 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Hitachi TX10D07VM0BAA DSI panel driver + * + * Copyright (c) 2024 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <backlight.h> +#include <dm.h> +#include <panel.h> +#include <log.h> +#include <mipi_dsi.h> +#include <linux/delay.h> +#include <power/regulator.h> +#include <asm/gpio.h> + +struct hitachi_tx10d07vm0baa_priv { + struct udevice *avci; + struct udevice *iovcc; + + struct udevice *backlight; + + struct gpio_desc reset_gpio; +}; + +static struct display_timing default_timing = { + .pixelclock.typ = 29816000, + .hactive.typ = 480, + .hfront_porch.typ = 10, + .hback_porch.typ = 10, + .hsync_len.typ = 10, + .vactive.typ = 800, + .vfront_porch.typ = 4, + .vback_porch.typ = 4, + .vsync_len.typ = 4, +}; + +#define dsi_generic_write_seq(dsi, cmd, seq...) do { \ + static const u8 b[] = { cmd, seq }; \ + int ret; \ + ret = mipi_dsi_dcs_write_buffer(dsi, b, ARRAY_SIZE(b)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static int hitachi_tx10d07vm0baa_enable_backlight(struct udevice *dev) +{ + struct mipi_dsi_panel_plat *plat = dev_get_plat(dev); + struct mipi_dsi_device *dsi = plat->device; + int ret; + + dsi_generic_write_seq(dsi, MIPI_DCS_SET_PARTIAL_AREA, 0x00, + 0x00, 0x03, 0x1f); + dsi_generic_write_seq(dsi, MIPI_DCS_SET_SCROLL_AREA, 0x00, + 0x00, 0x03, 0x20, 0x00, 0x00); + + dsi_generic_write_seq(dsi, MIPI_DCS_SET_ADDRESS_MODE, 0x0a); + dsi_generic_write_seq(dsi, MIPI_DCS_SET_SCROLL_START, 0x00, + 0x00); + + ret = mipi_dsi_dcs_set_pixel_format(dsi, MIPI_DCS_PIXEL_FMT_24BIT); + if (ret) { + log_debug("%s: failed to set pixel format: %d\n", __func__, ret); + return ret; + } + + ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0x00); + if (ret) { + log_debug("%s: failed to set tear scanline: %d\n", __func__, ret); + return ret; + } + + dsi_generic_write_seq(dsi, 0x71, 0x00); /* Ex_Vsync_en */ + + dsi_generic_write_seq(dsi, 0xb2, 0x00); /* VCSEL */ + dsi_generic_write_seq(dsi, 0xb4, 0xaa); /* setvgmpm */ + dsi_generic_write_seq(dsi, 0xb5, 0x33); /* rbias1 */ + dsi_generic_write_seq(dsi, 0xb6, 0x03); /* rbias2 */ + + dsi_generic_write_seq(dsi, 0xb7, 0x1a, 0x33, 0x03, 0x03, + 0x03, 0x00, 0x00, 0x01, 0x02, 0x00, + 0x00, 0x04, 0x00, 0x01, 0x01, 0x01); /* set_ddvdhp */ + dsi_generic_write_seq(dsi, 0xb8, 0x1c, 0x53, 0x03, 0x03, + 0x00, 0x01, 0x02, 0x00, 0x00, 0x04, + 0x00, 0x01, 0x01); /* set_ddvdhm */ + + dsi_generic_write_seq(dsi, 0xb9, 0x0a, 0x01, 0x01, 0x00, + 0x00, 0x00, 0x02, 0x00, 0x02, 0x01); /* set_vgh */ + dsi_generic_write_seq(dsi, 0xba, 0x0f, 0x01, 0x01, 0x00, + 0x00, 0x00, 0x02, 0x00, 0x02, 0x01); /* set_vgl */ + dsi_generic_write_seq(dsi, 0xbb, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x02, 0x01); /* set_vcl */ + + dsi_generic_write_seq(dsi, 0xc1, 0x01); /* number of lines */ + dsi_generic_write_seq(dsi, 0xc2, 0x08); /* number of fp lines */ + dsi_generic_write_seq(dsi, 0xc3, 0x04); /* gateset(1) */ + dsi_generic_write_seq(dsi, 0xc4, 0x4c); /* 1h period */ + dsi_generic_write_seq(dsi, 0xc5, 0x03); /* source precharge */ + dsi_generic_write_seq(dsi, 0xc6, 0xc4, 0x04); /* source precharge timing */ + dsi_generic_write_seq(dsi, 0xc7, 0x00); /* source level */ + dsi_generic_write_seq(dsi, 0xc8, 0x02); /* number of bp lines */ + dsi_generic_write_seq(dsi, 0xc9, 0x10); /* gateset(2) */ + dsi_generic_write_seq(dsi, 0xca, 0x04, 0x04); /* gateset(3) */ + dsi_generic_write_seq(dsi, 0xcb, 0x03); /* gateset(4) */ + dsi_generic_write_seq(dsi, 0xcc, 0x12); /* gateset(5) */ + dsi_generic_write_seq(dsi, 0xcd, 0x12); /* gateset(6) */ + dsi_generic_write_seq(dsi, 0xce, 0x30); /* gateset(7) */ + dsi_generic_write_seq(dsi, 0xcf, 0x30); /* gateset(8) */ + dsi_generic_write_seq(dsi, 0xd0, 0x40); /* gateset(9) */ + dsi_generic_write_seq(dsi, 0xd1, 0x22); /* flhw */ + dsi_generic_write_seq(dsi, 0xd2, 0x22); /* vckhw */ + dsi_generic_write_seq(dsi, 0xd3, 0x04); /* flt */ + dsi_generic_write_seq(dsi, 0xd4, 0x14); /* tctrl */ + dsi_generic_write_seq(dsi, 0xd6, 0x02); /* dotinv */ + dsi_generic_write_seq(dsi, 0xd7, 0x00); /* on/off sequence period */ + + dsi_generic_write_seq(dsi, 0xd8, 0x01, 0x05, 0x06, 0x0d, + 0x18, 0x09, 0x22, 0x23, 0x00); /* ponseqa */ + dsi_generic_write_seq(dsi, 0xd9, 0x24, 0x01); /* ponseqb */ + dsi_generic_write_seq(dsi, 0xde, 0x09, 0x0f, 0x21, 0x12, + 0x04); /* ponseqc */ + + dsi_generic_write_seq(dsi, 0xdf, 0x02, 0x06, 0x06, 0x06, + 0x06, 0x00); /* pofseqa */ + dsi_generic_write_seq(dsi, 0xe0, 0x01); /* pofseqb */ + + ret = mipi_dsi_dcs_set_display_brightness(dsi, 0xff); + if (ret) { + log_debug("%s: failed to set display brightness: %d\n", __func__, ret); + return ret; + } + + dsi_generic_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x40); + + dsi_generic_write_seq(dsi, 0xe2, 0x00, 0x00); /* cabc pwm */ + dsi_generic_write_seq(dsi, 0xe3, 0x03); /* cabc */ + dsi_generic_write_seq(dsi, 0xe4, 0x66, 0x7b, 0x90, 0xa5, + 0xbb, 0xc7, 0xe1, 0xe5); /* cabc brightness */ + dsi_generic_write_seq(dsi, 0xe5, 0xc5, 0xc5, 0xc9, 0xc9, + 0xd1, 0xe1, 0xf1, 0xfe); /* cabc brightness */ + dsi_generic_write_seq(dsi, 0xe7, 0x2a); /* cabc */ + dsi_generic_write_seq(dsi, 0xe8, 0x00); /* brt_rev */ + dsi_generic_write_seq(dsi, 0xe9, 0x00); /* tefreq */ + + dsi_generic_write_seq(dsi, 0xea, 0x01); /* high speed ram */ + + dsi_generic_write_seq(dsi, 0xeb, 0x00, 0x33, 0x0e, 0x15, + 0xb7, 0x78, 0x88, 0x0f); /* gamma setting r pos */ + dsi_generic_write_seq(dsi, 0xec, 0x00, 0x33, 0x0e, 0x15, + 0xb7, 0x78, 0x88, 0x0f); /* gamma setting r neg */ + dsi_generic_write_seq(dsi, 0xed, 0x00, 0x33, 0x0e, 0x15, + 0xb7, 0x78, 0x88, 0x0f); /* gamma setting g pos */ + dsi_generic_write_seq(dsi, 0xee, 0x00, 0x33, 0x0e, 0x15, + 0xb7, 0x78, 0x88, 0x0f); /* gamma setting g neg */ + dsi_generic_write_seq(dsi, 0xef, 0x00, 0x33, 0x0e, 0x15, + 0xb7, 0x78, 0x88, 0x0f); /* gamma setting b pos */ + dsi_generic_write_seq(dsi, 0xf0, 0x00, 0x33, 0x0e, 0x15, + 0xb7, 0x78, 0x88, 0x0f); /* gamma setting b neg */ + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret) { + log_debug("%s: failed to exit sleep mode: %d\n", __func__, ret); + return ret; + } + + mdelay(110); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret) { + log_debug("%s: failed to set display on: %d\n", __func__, ret); + return ret; + } + + return 0; +} + +static int hitachi_tx10d07vm0baa_set_backlight(struct udevice *dev, int percent) +{ + struct hitachi_tx10d07vm0baa_priv *priv = dev_get_priv(dev); + int ret; + + ret = backlight_enable(priv->backlight); + if (ret) + return ret; + + return backlight_set_brightness(priv->backlight, percent); +} + +static int hitachi_tx10d07vm0baa_timings(struct udevice *dev, + struct display_timing *timing) +{ + memcpy(timing, &default_timing, sizeof(*timing)); + return 0; +} + +static int hitachi_tx10d07vm0baa_of_to_plat(struct udevice *dev) +{ + struct hitachi_tx10d07vm0baa_priv *priv = dev_get_priv(dev); + int ret; + + ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev, + "backlight", &priv->backlight); + if (ret) { + log_debug("%s: cannot get backlight: ret = %d\n", + __func__, ret); + return ret; + } + + ret = device_get_supply_regulator(dev, "avci-supply", &priv->avci); + if (ret) { + log_debug("%s: cannot get avci-supply: ret = %d\n", + __func__, ret); + return ret; + } + + ret = device_get_supply_regulator(dev, "iovcc-supply", &priv->iovcc); + if (ret) { + log_debug("%s: cannot get iovcc-supply: ret = %d\n", + __func__, ret); + return ret; + } + + ret = gpio_request_by_name(dev, "reset-gpios", 0, + &priv->reset_gpio, GPIOD_IS_OUT); + if (ret) { + log_debug("%s: cannot decode reset-gpios (%d)\n", + __func__, ret); + return ret; + } + + return 0; +} + +static int hitachi_tx10d07vm0baa_hw_init(struct udevice *dev) +{ + struct hitachi_tx10d07vm0baa_priv *priv = dev_get_priv(dev); + int ret; + + ret = dm_gpio_set_value(&priv->reset_gpio, 1); + if (ret) { + log_debug("%s: error entering reset (%d)\n", __func__, ret); + return ret; + } + + ret = regulator_set_enable_if_allowed(priv->iovcc, 1); + if (ret) { + log_debug("%s: enabling iovcc-supply failed (%d)\n", + __func__, ret); + return ret; + } + + ret = regulator_set_enable_if_allowed(priv->avci, 1); + if (ret) { + log_debug("%s: enabling avci-supply failed (%d)\n", + __func__, ret); + return ret; + } + + mdelay(25); + + ret = dm_gpio_set_value(&priv->reset_gpio, 0); + if (ret) { + log_debug("%s: error exiting reset (%d)\n", __func__, ret); + return ret; + } + + mdelay(5); + + return 0; +} + +static int hitachi_tx10d07vm0baa_probe(struct udevice *dev) +{ + struct mipi_dsi_panel_plat *plat = dev_get_plat(dev); + + /* fill characteristics of DSI data link */ + plat->lanes = 2; + plat->format = MIPI_DSI_FMT_RGB888; + plat->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM; + + return hitachi_tx10d07vm0baa_hw_init(dev); +} + +static const struct panel_ops hitachi_tx10d07vm0baa_ops = { + .enable_backlight = hitachi_tx10d07vm0baa_enable_backlight, + .set_backlight = hitachi_tx10d07vm0baa_set_backlight, + .get_display_timing = hitachi_tx10d07vm0baa_timings, +}; + +static const struct udevice_id hitachi_tx10d07vm0baa_ids[] = { + { .compatible = "hit,tx10d07vm0baa" }, + { } +}; + +U_BOOT_DRIVER(hitachi_tx10d07vm0baa) = { + .name = "hitachi_tx10d07vm0baa", + .id = UCLASS_PANEL, + .of_match = hitachi_tx10d07vm0baa_ids, + .ops = &hitachi_tx10d07vm0baa_ops, + .of_to_plat = hitachi_tx10d07vm0baa_of_to_plat, + .probe = hitachi_tx10d07vm0baa_probe, + .plat_auto = sizeof(struct mipi_dsi_panel_plat), + .priv_auto = sizeof(struct hitachi_tx10d07vm0baa_priv), +}; diff --git a/drivers/video/lg-lh400wv3-sd04.c b/drivers/video/lg-lh400wv3-sd04.c new file mode 100644 index 00000000000..0385b39867f --- /dev/null +++ b/drivers/video/lg-lh400wv3-sd04.c @@ -0,0 +1,230 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * LG LH400WV3-SD04 DSI panel driver + * + * Copyright (c) 2025 Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <backlight.h> +#include <dm.h> +#include <panel.h> +#include <log.h> +#include <mipi_dsi.h> +#include <linux/delay.h> +#include <power/regulator.h> +#include <asm/gpio.h> + +struct lg_lh400wv3_priv { + struct udevice *avci; + struct udevice *iovcc; + + struct udevice *backlight; + + struct gpio_desc reset_gpio; +}; + +static struct display_timing default_timing = { + .pixelclock.typ = 29816000, + .hactive.typ = 480, + .hfront_porch.typ = 10, + .hback_porch.typ = 10, + .hsync_len.typ = 10, + .vactive.typ = 800, + .vfront_porch.typ = 4, + .vback_porch.typ = 4, + .vsync_len.typ = 4, +}; + +#define dsi_generic_write_seq(dsi, cmd, seq...) do { \ + static const u8 b[] = { cmd, seq }; \ + int ret; \ + ret = mipi_dsi_dcs_write_buffer(dsi, b, ARRAY_SIZE(b)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static int lg_lh400wv3_enable_backlight(struct udevice *dev) +{ + struct mipi_dsi_panel_plat *plat = dev_get_plat(dev); + struct mipi_dsi_device *dsi = plat->device; + int ret; + + dsi_generic_write_seq(dsi, MIPI_DCS_EXIT_INVERT_MODE); + dsi_generic_write_seq(dsi, MIPI_DCS_SET_TEAR_ON); + + ret = mipi_dsi_dcs_set_pixel_format(dsi, MIPI_DCS_PIXEL_FMT_24BIT | + MIPI_DCS_PIXEL_FMT_24BIT << 4); + if (ret < 0) { + log_debug("%s: failed to set pixel format: %d\n", __func__, ret); + return ret; + } + + dsi_generic_write_seq(dsi, 0xb2, 0x00, 0xc8); + dsi_generic_write_seq(dsi, 0xb3, 0x00); + dsi_generic_write_seq(dsi, 0xb4, 0x04); + dsi_generic_write_seq(dsi, 0xb5, 0x42, 0x10, 0x10, 0x00, 0x20); + dsi_generic_write_seq(dsi, 0xb6, 0x0b, 0x0f, 0x3c, 0x13, 0x13, 0xe8); + dsi_generic_write_seq(dsi, 0xb7, 0x4c, 0x06, 0x0c, 0x00, 0x00); + + dsi_generic_write_seq(dsi, 0xc0, 0x01, 0x11); + dsi_generic_write_seq(dsi, 0xc3, 0x07, 0x03, 0x04, 0x04, 0x04); + dsi_generic_write_seq(dsi, 0xc4, 0x12, 0x24, 0x18, 0x18, 0x02, 0x49); + dsi_generic_write_seq(dsi, 0xc5, 0x65); + dsi_generic_write_seq(dsi, 0xc6, 0x41, 0x63); + + dsi_generic_write_seq(dsi, 0xd0, 0x00, 0x46, 0x74, 0x32, 0x1d, 0x03, 0x51, 0x15, 0x04); + dsi_generic_write_seq(dsi, 0xd1, 0x00, 0x46, 0x74, 0x32, 0x1d, 0x03, 0x51, 0x15, 0x04); + dsi_generic_write_seq(dsi, 0xd2, 0x00, 0x46, 0x74, 0x32, 0x1f, 0x03, 0x51, 0x15, 0x04); + dsi_generic_write_seq(dsi, 0xd3, 0x00, 0x46, 0x74, 0x32, 0x1f, 0x03, 0x51, 0x15, 0x04); + dsi_generic_write_seq(dsi, 0xd4, 0x01, 0x46, 0x74, 0x25, 0x00, 0x03, 0x51, 0x15, 0x04); + dsi_generic_write_seq(dsi, 0xd5, 0x01, 0x46, 0x74, 0x25, 0x00, 0x03, 0x51, 0x15, 0x04); + + dsi_generic_write_seq(dsi, MIPI_DCS_SET_COLUMN_ADDRESS, 0x00, 0x00, 0x01, 0xdf); + dsi_generic_write_seq(dsi, MIPI_DCS_SET_PAGE_ADDRESS, 0x00, 0x00, 0x03, 0x1f); + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + log_debug("%s: failed to exit sleep mode: %d\n", __func__, ret); + return ret; + } + + mdelay(120); + + dsi_generic_write_seq(dsi, MIPI_DCS_WRITE_MEMORY_START); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret < 0) { + log_debug("%s: failed to set display on: %d\n", __func__, ret); + return ret; + } + + return 0; +} + +static int lg_lh400wv3_set_backlight(struct udevice *dev, int percent) +{ + struct lg_lh400wv3_priv *priv = dev_get_priv(dev); + int ret; + + ret = backlight_enable(priv->backlight); + if (ret) + return ret; + + return backlight_set_brightness(priv->backlight, percent); +} + +static int lg_lh400wv3_timings(struct udevice *dev, struct display_timing *timing) +{ + memcpy(timing, &default_timing, sizeof(*timing)); + return 0; +} + +static int lg_lh400wv3_of_to_plat(struct udevice *dev) +{ + struct lg_lh400wv3_priv *priv = dev_get_priv(dev); + int ret; + + ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev, + "backlight", &priv->backlight); + if (ret) { + log_debug("%s: cannot get backlight: ret = %d\n", + __func__, ret); + return ret; + } + + ret = device_get_supply_regulator(dev, "avci-supply", &priv->avci); + if (ret) { + log_debug("%s: cannot get avci-supply: ret = %d\n", + __func__, ret); + return ret; + } + + ret = device_get_supply_regulator(dev, "iovcc-supply", &priv->iovcc); + if (ret) { + log_debug("%s: cannot get iovcc-supply: ret = %d\n", + __func__, ret); + return ret; + } + + ret = gpio_request_by_name(dev, "reset-gpios", 0, + &priv->reset_gpio, GPIOD_IS_OUT); + if (ret) { + log_debug("%s: cannot decode reset-gpios (%d)\n", + __func__, ret); + return ret; + } + + return 0; +} + +static int lg_lh400wv3_hw_init(struct udevice *dev) +{ + struct lg_lh400wv3_priv *priv = dev_get_priv(dev); + int ret; + + ret = dm_gpio_set_value(&priv->reset_gpio, 1); + if (ret) { + log_debug("%s: error entering reset (%d)\n", __func__, ret); + return ret; + } + + ret = regulator_set_enable_if_allowed(priv->iovcc, 1); + if (ret) { + log_debug("%s: enabling iovcc-supply failed (%d)\n", + __func__, ret); + return ret; + } + + ret = regulator_set_enable_if_allowed(priv->avci, 1); + if (ret) { + log_debug("%s: enabling avci-supply failed (%d)\n", + __func__, ret); + return ret; + } + + mdelay(1); + + ret = dm_gpio_set_value(&priv->reset_gpio, 0); + if (ret) { + log_debug("%s: error exiting reset (%d)\n", __func__, ret); + return ret; + } + + mdelay(10); + + return 0; +} + +static int lg_lh400wv3_probe(struct udevice *dev) +{ + struct mipi_dsi_panel_plat *plat = dev_get_plat(dev); + + /* fill characteristics of DSI data link */ + plat->lanes = 2; + plat->format = MIPI_DSI_FMT_RGB888; + plat->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM; + + return lg_lh400wv3_hw_init(dev); +} + +static const struct panel_ops lg_lh400wv3_ops = { + .enable_backlight = lg_lh400wv3_enable_backlight, + .set_backlight = lg_lh400wv3_set_backlight, + .get_display_timing = lg_lh400wv3_timings, +}; + +static const struct udevice_id lg_lh400wv3_ids[] = { + { .compatible = "lg,lh400wv3-sd04" }, + { } +}; + +U_BOOT_DRIVER(lg_lh400wv3) = { + .name = "lg_lh400wv3", + .id = UCLASS_PANEL, + .of_match = lg_lh400wv3_ids, + .ops = &lg_lh400wv3_ops, + .of_to_plat = lg_lh400wv3_of_to_plat, + .probe = lg_lh400wv3_probe, + .plat_auto = sizeof(struct mipi_dsi_panel_plat), + .priv_auto = sizeof(struct lg_lh400wv3_priv), +}; diff --git a/drivers/video/tegra/Kconfig b/drivers/video/tegra/Kconfig index 1a328407b13..f32972d937e 100644 --- a/drivers/video/tegra/Kconfig +++ b/drivers/video/tegra/Kconfig @@ -42,6 +42,16 @@ config TEGRA_BACKLIGHT_PWM Enable support for the Display Controller dependent PWM backlight found in the Tegra SoC and usually used with DSI panels. +config TEGRA_8BIT_CPU_BRIDGE + bool "Enable 8 bit panel communication protocol for Tegra 20/30" + depends on VIDEO_BRIDGE && DM_GPIO + select VIDEO_TEGRA + select VIDEO_MIPI_DSI + help + Tegra 20 and Tegra 30 feature 8 bit CPU driver panel control + protocol. This option allows use it as a MIPI DSI bridge to + set up and control compatible panel. + config VIDEO_TEGRA124 bool "Enable video support on Tegra124" imply VIDEO_DAMAGE diff --git a/drivers/video/tegra/Makefile b/drivers/video/tegra/Makefile index 3c50a0ba3c3..4995c93a8af 100644 --- a/drivers/video/tegra/Makefile +++ b/drivers/video/tegra/Makefile @@ -5,5 +5,6 @@ obj-$(CONFIG_VIDEO_TEGRA) += dc.o obj-$(CONFIG_VIDEO_DSI_TEGRA) += dsi.o mipi.o mipi-phy.o obj-$(CONFIG_VIDEO_HDMI_TEGRA) += hdmi.o obj-$(CONFIG_TEGRA_BACKLIGHT_PWM) += dc-pwm-backlight.o +obj-$(CONFIG_TEGRA_8BIT_CPU_BRIDGE) += cpu-bridge.o obj-${CONFIG_VIDEO_TEGRA124} += tegra124/ diff --git a/drivers/video/tegra/cpu-bridge.c b/drivers/video/tegra/cpu-bridge.c new file mode 100644 index 00000000000..e5fefe028f0 --- /dev/null +++ b/drivers/video/tegra/cpu-bridge.c @@ -0,0 +1,325 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2024 Svyatoslav Ryhel <clamor95@gmail.com> + * + * This driver uses 8-bit CPU interface found in Tegra 2 + * and Tegra 3 to drive MIPI DSI panel. + */ + +#include <dm.h> +#include <dm/ofnode_graph.h> +#include <log.h> +#include <mipi_display.h> +#include <mipi_dsi.h> +#include <backlight.h> +#include <panel.h> +#include <video_bridge.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <asm/gpio.h> +#include <asm/io.h> + +#include "dc.h" + +struct tegra_cpu_bridge_priv { + struct dc_ctlr *dc; + + struct mipi_dsi_host host; + struct mipi_dsi_device device; + + struct udevice *panel; + struct display_timing timing; + + struct gpio_desc dc_gpio; + struct gpio_desc rw_gpio; + struct gpio_desc cs_gpio; + + struct gpio_desc data_gpios[8]; + + u32 pixel_format; + u32 spi_init_seq[4]; +}; + +#define TEGRA_CPU_BRIDGE_COMM 0 +#define TEGRA_CPU_BRIDGE_DATA 1 + +static void tegra_cpu_bridge_write(struct tegra_cpu_bridge_priv *priv, + u8 type, u8 value) +{ + int i; + + dm_gpio_set_value(&priv->dc_gpio, type); + + dm_gpio_set_value(&priv->cs_gpio, 0); + dm_gpio_set_value(&priv->rw_gpio, 0); + + for (i = 0; i < 8; i++) + dm_gpio_set_value(&priv->data_gpios[i], + (value >> i) & 0x1); + + dm_gpio_set_value(&priv->cs_gpio, 1); + dm_gpio_set_value(&priv->rw_gpio, 1); + + udelay(10); + + log_debug("%s: type 0x%x, val 0x%x\n", + __func__, type, value); +} + +static ssize_t tegra_cpu_bridge_transfer(struct mipi_dsi_host *host, + const struct mipi_dsi_msg *msg) +{ + struct udevice *dev = (struct udevice *)host->dev; + struct tegra_cpu_bridge_priv *priv = dev_get_priv(dev); + u8 command = *(u8 *)msg->tx_buf; + const u8 *data = msg->tx_buf; + int i; + + tegra_cpu_bridge_write(priv, TEGRA_CPU_BRIDGE_COMM, command); + + for (i = 1; i < msg->tx_len; i++) + tegra_cpu_bridge_write(priv, TEGRA_CPU_BRIDGE_DATA, data[i]); + + return 0; +} + +static const struct mipi_dsi_host_ops tegra_cpu_bridge_host_ops = { + .transfer = tegra_cpu_bridge_transfer, +}; + +static int tegra_cpu_bridge_get_format(enum mipi_dsi_pixel_format format, u32 *fmt) +{ + switch (format) { + case MIPI_DSI_FMT_RGB888: + case MIPI_DSI_FMT_RGB666_PACKED: + *fmt = BASE_COLOR_SIZE_888; + break; + + case MIPI_DSI_FMT_RGB666: + *fmt = BASE_COLOR_SIZE_666; + break; + + case MIPI_DSI_FMT_RGB565: + *fmt = BASE_COLOR_SIZE_565; + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int tegra_cpu_bridge_attach(struct udevice *dev) +{ + struct tegra_cpu_bridge_priv *priv = dev_get_priv(dev); + struct dc_disp_reg *disp = &priv->dc->disp; + struct dc_cmd_reg *cmd = &priv->dc->cmd; + struct dc_com_reg *com = &priv->dc->com; + u32 value; + int ret; + + writel(CTRL_MODE_STOP << CTRL_MODE_SHIFT, &cmd->disp_cmd); + writel(0, &disp->disp_win_opt); + writel(GENERAL_UPDATE, &cmd->state_ctrl); + writel(GENERAL_ACT_REQ, &cmd->state_ctrl); + + /* TODO: parametrize if needed */ + writel(V_PULSE1_ENABLE, &disp->disp_signal_opt0); + writel(PULSE_POLARITY_LOW, &disp->v_pulse1.v_pulse_ctrl); + + writel(PULSE_END(1), &disp->v_pulse1.v_pulse_pos[V_PULSE0_POSITION_A]); + writel(0, &disp->v_pulse1.v_pulse_pos[V_PULSE0_POSITION_B]); + writel(0, &disp->v_pulse1.v_pulse_pos[V_PULSE0_POSITION_C]); + + ret = dev_read_u32_array(dev, "nvidia,init-sequence", priv->spi_init_seq, 4); + if (!ret) { + value = 1 << FRAME_INIT_SEQ_CYCLES_SHIFT | + DC_SIGNAL_VPULSE1 << INIT_SEQ_DC_SIGNAL_SHIFT | + INIT_SEQUENCE_MODE_PLCD | SEND_INIT_SEQUENCE; + writel(value, &disp->seq_ctrl); + + writel(priv->spi_init_seq[0], &disp->spi_init_seq_data_a); + writel(priv->spi_init_seq[1], &disp->spi_init_seq_data_b); + writel(priv->spi_init_seq[2], &disp->spi_init_seq_data_c); + writel(priv->spi_init_seq[3], &disp->spi_init_seq_data_d); + } + + value = readl(&cmd->disp_cmd); + value &= ~CTRL_MODE_MASK; + value |= CTRL_MODE_C_DISPLAY << CTRL_MODE_SHIFT; + writel(value, &cmd->disp_cmd); + + /* set LDC pin to V Pulse 1 */ + value = readl(&com->pin_output_sel[6]) | LDC_OUTPUT_SELECT_V_PULSE1; + writel(value, &com->pin_output_sel[6]); + + value = readl(&disp->disp_interface_ctrl); + value |= DATA_ALIGNMENT_LSB << DATA_ALIGNMENT_SHIFT; + writel(value, &disp->disp_interface_ctrl); + + value = SC_H_QUALIFIER_NONE << SC1_H_QUALIFIER_SHIFT | + SC_V_QUALIFIER_VACTIVE << SC0_V_QUALIFIER_SHIFT | + SC_H_QUALIFIER_HACTIVE << SC0_H_QUALIFIER_SHIFT; + writel(value, &disp->shift_clk_opt); + + value = readl(&disp->disp_color_ctrl); + value |= priv->pixel_format; + writel(value, &disp->disp_color_ctrl); + + /* Perform panel setup */ + panel_enable_backlight(priv->panel); + + dm_gpio_set_value(&priv->cs_gpio, 0); + + dm_gpio_free(dev, &priv->dc_gpio); + dm_gpio_free(dev, &priv->rw_gpio); + dm_gpio_free(dev, &priv->cs_gpio); + + gpio_free_list(dev, priv->data_gpios, 8); + + return 0; +} + +static int tegra_cpu_bridge_set_panel(struct udevice *dev, int percent) +{ + struct tegra_cpu_bridge_priv *priv = dev_get_priv(dev); + + return panel_set_backlight(priv->panel, percent); +} + +static int tegra_cpu_bridge_panel_timings(struct udevice *dev, + struct display_timing *timing) +{ + struct tegra_cpu_bridge_priv *priv = dev_get_priv(dev); + + memcpy(timing, &priv->timing, sizeof(*timing)); + + return 0; +} + +static int tegra_cpu_bridge_hw_init(struct udevice *dev) +{ + struct tegra_cpu_bridge_priv *priv = dev_get_priv(dev); + + dm_gpio_set_value(&priv->cs_gpio, 1); + + dm_gpio_set_value(&priv->rw_gpio, 1); + dm_gpio_set_value(&priv->dc_gpio, 0); + + return 0; +} + +static int tegra_cpu_bridge_get_links(struct udevice *dev) +{ + struct tegra_cpu_bridge_priv *priv = dev_get_priv(dev); + int i, ret; + + u32 num = ofnode_graph_get_port_count(dev_ofnode(dev)); + + for (i = 0; i < num; i++) { + ofnode remote = ofnode_graph_get_remote_node(dev_ofnode(dev), i, -1); + + /* Look for DC source */ + if (ofnode_name_eq(remote, "rgb")) { + ofnode dc = ofnode_get_parent(remote); + + priv->dc = (struct dc_ctlr *)ofnode_get_addr(dc); + if (!priv->dc) { + log_err("%s: failed to get DC controller\n", __func__); + return -EINVAL; + } + } + + /* Look for driven panel */ + ret = uclass_get_device_by_ofnode(UCLASS_PANEL, remote, &priv->panel); + if (!ret) + return 0; + } + + /* If this point is reached, no panels were found */ + return -ENODEV; +} + +static int tegra_cpu_bridge_probe(struct udevice *dev) +{ + struct tegra_cpu_bridge_priv *priv = dev_get_priv(dev); + struct mipi_dsi_device *device = &priv->device; + struct mipi_dsi_panel_plat *mipi_plat; + int ret; + + ret = tegra_cpu_bridge_get_links(dev); + if (ret) { + log_debug("%s: links not found, ret %d\n", __func__, ret); + return ret; + } + + panel_get_display_timing(priv->panel, &priv->timing); + + mipi_plat = dev_get_plat(priv->panel); + mipi_plat->device = device; + + priv->host.dev = (struct device *)dev; + priv->host.ops = &tegra_cpu_bridge_host_ops; + + device->host = &priv->host; + device->lanes = mipi_plat->lanes; + device->format = mipi_plat->format; + device->mode_flags = mipi_plat->mode_flags; + + tegra_cpu_bridge_get_format(device->format, &priv->pixel_format); + + /* get control gpios */ + ret = gpio_request_by_name(dev, "dc-gpios", 0, + &priv->dc_gpio, GPIOD_IS_OUT); + if (ret) { + log_debug("%s: could not decode dc-gpios (%d)\n", __func__, ret); + return ret; + } + + ret = gpio_request_by_name(dev, "rw-gpios", 0, + &priv->rw_gpio, GPIOD_IS_OUT); + if (ret) { + log_debug("%s: could not decode rw-gpios (%d)\n", __func__, ret); + return ret; + } + + ret = gpio_request_by_name(dev, "cs-gpios", 0, + &priv->cs_gpio, GPIOD_IS_OUT); + if (ret) { + log_debug("%s: could not decode cs-gpios (%d)\n", __func__, ret); + return ret; + } + + /* get data gpios */ + ret = gpio_request_list_by_name(dev, "data-gpios", + priv->data_gpios, 8, + GPIOD_IS_OUT); + if (ret < 0) { + log_debug("%s: could not decode data-gpios (%d)\n", __func__, ret); + return ret; + } + + return tegra_cpu_bridge_hw_init(dev); +} + +static const struct video_bridge_ops tegra_cpu_bridge_ops = { + .attach = tegra_cpu_bridge_attach, + .set_backlight = tegra_cpu_bridge_set_panel, + .get_display_timing = tegra_cpu_bridge_panel_timings, +}; + +static const struct udevice_id tegra_cpu_bridge_ids[] = { + { .compatible = "nvidia,tegra-8bit-cpu" }, + { } +}; + +U_BOOT_DRIVER(tegra_8bit_cpu) = { + .name = "tegra_8bit_cpu", + .id = UCLASS_VIDEO_BRIDGE, + .of_match = tegra_cpu_bridge_ids, + .ops = &tegra_cpu_bridge_ops, + .bind = dm_scan_fdt_dev, + .probe = tegra_cpu_bridge_probe, + .priv_auto = sizeof(struct tegra_cpu_bridge_priv), +}; |
