diff options
Diffstat (limited to 'drivers/pinctrl/starfive/pinctrl-jh7110-sys.c')
| -rw-r--r-- | drivers/pinctrl/starfive/pinctrl-jh7110-sys.c | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/drivers/pinctrl/starfive/pinctrl-jh7110-sys.c b/drivers/pinctrl/starfive/pinctrl-jh7110-sys.c new file mode 100644 index 00000000000..dafba65eae1 --- /dev/null +++ b/drivers/pinctrl/starfive/pinctrl-jh7110-sys.c @@ -0,0 +1,399 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Pinctrl / GPIO driver for StarFive JH7110 SoC + * + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * Author: Lee Kuan Lim <kuanlim.lee@starfivetech.com> + * Author: Jianlong Huang <jianlong.huang@starfivetech.com> + */ + +#include <dm/read.h> +#include <dm/device_compat.h> +#include <linux/io.h> + +#include <dt-bindings/pinctrl/pinctrl-starfive-jh7110.h> +#include "pinctrl-starfive.h" + +#define JH7110_SYS_NGPIO 64 +#define JH7110_SYS_GC_BASE 0 + +/* registers */ +#define JH7110_SYS_DOEN 0x000 +#define JH7110_SYS_DOUT 0x040 +#define JH7110_SYS_GPI 0x080 +#define JH7110_SYS_GPIOIN 0x118 + +#define JH7110_SYS_GPIOEN 0x0dc +#define JH7110_SYS_GPIOIS0 0x0e0 +#define JH7110_SYS_GPIOIS1 0x0e4 +#define JH7110_SYS_GPIOIC0 0x0e8 +#define JH7110_SYS_GPIOIC1 0x0ec +#define JH7110_SYS_GPIOIBE0 0x0f0 +#define JH7110_SYS_GPIOIBE1 0x0f4 +#define JH7110_SYS_GPIOIEV0 0x0f8 +#define JH7110_SYS_GPIOIEV1 0x0fc +#define JH7110_SYS_GPIOIE0 0x100 +#define JH7110_SYS_GPIOIE1 0x104 +#define JH7110_SYS_GPIORIS0 0x108 +#define JH7110_SYS_GPIORIS1 0x10c +#define JH7110_SYS_GPIOMIS0 0x110 +#define JH7110_SYS_GPIOMIS1 0x114 + +#define SYS_GPO_PDA_0_74_CFG 0x120 +#define SYS_GPO_PDA_89_94_CFG 0x284 + +static const struct starfive_pinctrl_pin jh7110_sys_pins[] = { + STARFIVE_PINCTRL(PAD_GPIO0, "GPIO0"), + STARFIVE_PINCTRL(PAD_GPIO1, "GPIO1"), + STARFIVE_PINCTRL(PAD_GPIO2, "GPIO2"), + STARFIVE_PINCTRL(PAD_GPIO3, "GPIO3"), + STARFIVE_PINCTRL(PAD_GPIO4, "GPIO4"), + STARFIVE_PINCTRL(PAD_GPIO5, "GPIO5"), + STARFIVE_PINCTRL(PAD_GPIO6, "GPIO6"), + STARFIVE_PINCTRL(PAD_GPIO7, "GPIO7"), + STARFIVE_PINCTRL(PAD_GPIO8, "GPIO8"), + STARFIVE_PINCTRL(PAD_GPIO9, "GPIO9"), + STARFIVE_PINCTRL(PAD_GPIO10, "GPIO10"), + STARFIVE_PINCTRL(PAD_GPIO11, "GPIO11"), + STARFIVE_PINCTRL(PAD_GPIO12, "GPIO12"), + STARFIVE_PINCTRL(PAD_GPIO13, "GPIO13"), + STARFIVE_PINCTRL(PAD_GPIO14, "GPIO14"), + STARFIVE_PINCTRL(PAD_GPIO15, "GPIO15"), + STARFIVE_PINCTRL(PAD_GPIO16, "GPIO16"), + STARFIVE_PINCTRL(PAD_GPIO17, "GPIO17"), + STARFIVE_PINCTRL(PAD_GPIO18, "GPIO18"), + STARFIVE_PINCTRL(PAD_GPIO19, "GPIO19"), + STARFIVE_PINCTRL(PAD_GPIO20, "GPIO20"), + STARFIVE_PINCTRL(PAD_GPIO21, "GPIO21"), + STARFIVE_PINCTRL(PAD_GPIO22, "GPIO22"), + STARFIVE_PINCTRL(PAD_GPIO23, "GPIO23"), + STARFIVE_PINCTRL(PAD_GPIO24, "GPIO24"), + STARFIVE_PINCTRL(PAD_GPIO25, "GPIO25"), + STARFIVE_PINCTRL(PAD_GPIO26, "GPIO26"), + STARFIVE_PINCTRL(PAD_GPIO27, "GPIO27"), + STARFIVE_PINCTRL(PAD_GPIO28, "GPIO28"), + STARFIVE_PINCTRL(PAD_GPIO29, "GPIO29"), + STARFIVE_PINCTRL(PAD_GPIO30, "GPIO30"), + STARFIVE_PINCTRL(PAD_GPIO31, "GPIO31"), + STARFIVE_PINCTRL(PAD_GPIO32, "GPIO32"), + STARFIVE_PINCTRL(PAD_GPIO33, "GPIO33"), + STARFIVE_PINCTRL(PAD_GPIO34, "GPIO34"), + STARFIVE_PINCTRL(PAD_GPIO35, "GPIO35"), + STARFIVE_PINCTRL(PAD_GPIO36, "GPIO36"), + STARFIVE_PINCTRL(PAD_GPIO37, "GPIO37"), + STARFIVE_PINCTRL(PAD_GPIO38, "GPIO38"), + STARFIVE_PINCTRL(PAD_GPIO39, "GPIO39"), + STARFIVE_PINCTRL(PAD_GPIO40, "GPIO40"), + STARFIVE_PINCTRL(PAD_GPIO41, "GPIO41"), + STARFIVE_PINCTRL(PAD_GPIO42, "GPIO42"), + STARFIVE_PINCTRL(PAD_GPIO43, "GPIO43"), + STARFIVE_PINCTRL(PAD_GPIO44, "GPIO44"), + STARFIVE_PINCTRL(PAD_GPIO45, "GPIO45"), + STARFIVE_PINCTRL(PAD_GPIO46, "GPIO46"), + STARFIVE_PINCTRL(PAD_GPIO47, "GPIO47"), + STARFIVE_PINCTRL(PAD_GPIO48, "GPIO48"), + STARFIVE_PINCTRL(PAD_GPIO49, "GPIO49"), + STARFIVE_PINCTRL(PAD_GPIO50, "GPIO50"), + STARFIVE_PINCTRL(PAD_GPIO51, "GPIO51"), + STARFIVE_PINCTRL(PAD_GPIO52, "GPIO52"), + STARFIVE_PINCTRL(PAD_GPIO53, "GPIO53"), + STARFIVE_PINCTRL(PAD_GPIO54, "GPIO54"), + STARFIVE_PINCTRL(PAD_GPIO55, "GPIO55"), + STARFIVE_PINCTRL(PAD_GPIO56, "GPIO56"), + STARFIVE_PINCTRL(PAD_GPIO57, "GPIO57"), + STARFIVE_PINCTRL(PAD_GPIO58, "GPIO58"), + STARFIVE_PINCTRL(PAD_GPIO59, "GPIO59"), + STARFIVE_PINCTRL(PAD_GPIO60, "GPIO60"), + STARFIVE_PINCTRL(PAD_GPIO61, "GPIO61"), + STARFIVE_PINCTRL(PAD_GPIO62, "GPIO62"), + STARFIVE_PINCTRL(PAD_GPIO63, "GPIO63"), + STARFIVE_PINCTRL(PAD_SD0_CLK, "SD0_CLK"), + STARFIVE_PINCTRL(PAD_SD0_CMD, "SD0_CMD"), + STARFIVE_PINCTRL(PAD_SD0_DATA0, "SD0_DATA0"), + STARFIVE_PINCTRL(PAD_SD0_DATA1, "SD0_DATA1"), + STARFIVE_PINCTRL(PAD_SD0_DATA2, "SD0_DATA2"), + STARFIVE_PINCTRL(PAD_SD0_DATA3, "SD0_DATA3"), + STARFIVE_PINCTRL(PAD_SD0_DATA4, "SD0_DATA4"), + STARFIVE_PINCTRL(PAD_SD0_DATA5, "SD0_DATA5"), + STARFIVE_PINCTRL(PAD_SD0_DATA6, "SD0_DATA6"), + STARFIVE_PINCTRL(PAD_SD0_DATA7, "SD0_DATA7"), + STARFIVE_PINCTRL(PAD_SD0_STRB, "SD0_STRB"), + STARFIVE_PINCTRL(PAD_GMAC1_MDC, "GMAC1_MDC"), + STARFIVE_PINCTRL(PAD_GMAC1_MDIO, "GMAC1_MDIO"), + STARFIVE_PINCTRL(PAD_GMAC1_RXD0, "GMAC1_RXD0"), + STARFIVE_PINCTRL(PAD_GMAC1_RXD1, "GMAC1_RXD1"), + STARFIVE_PINCTRL(PAD_GMAC1_RXD2, "GMAC1_RXD2"), + STARFIVE_PINCTRL(PAD_GMAC1_RXD3, "GMAC1_RXD3"), + STARFIVE_PINCTRL(PAD_GMAC1_RXDV, "GMAC1_RXDV"), + STARFIVE_PINCTRL(PAD_GMAC1_RXC, "GMAC1_RXC"), + STARFIVE_PINCTRL(PAD_GMAC1_TXD0, "GMAC1_TXD0"), + STARFIVE_PINCTRL(PAD_GMAC1_TXD1, "GMAC1_TXD1"), + STARFIVE_PINCTRL(PAD_GMAC1_TXD2, "GMAC1_TXD2"), + STARFIVE_PINCTRL(PAD_GMAC1_TXD3, "GMAC1_TXD3"), + STARFIVE_PINCTRL(PAD_GMAC1_TXEN, "GMAC1_TXEN"), + STARFIVE_PINCTRL(PAD_GMAC1_TXC, "GMAC1_TXC"), + STARFIVE_PINCTRL(PAD_QSPI_SCLK, "QSPI_SCLK"), + STARFIVE_PINCTRL(PAD_QSPI_CS0, "QSPI_CS0"), + STARFIVE_PINCTRL(PAD_QSPI_DATA0, "QSPI_DATA0"), + STARFIVE_PINCTRL(PAD_QSPI_DATA1, "QSPI_DATA1"), + STARFIVE_PINCTRL(PAD_QSPI_DATA2, "QSPI_DATA2"), + STARFIVE_PINCTRL(PAD_QSPI_DATA3, "QSPI_DATA3"), +}; + +struct jh7110_func_sel { + u16 offset; + u8 shift; + u8 max; +}; + +static const struct jh7110_func_sel + jh7110_sys_func_sel[ARRAY_SIZE(jh7110_sys_pins)] = { + [PAD_GMAC1_RXC] = { 0x29c, 0, 1 }, + [PAD_GPIO10] = { 0x29c, 2, 3 }, + [PAD_GPIO11] = { 0x29c, 5, 3 }, + [PAD_GPIO12] = { 0x29c, 8, 3 }, + [PAD_GPIO13] = { 0x29c, 11, 3 }, + [PAD_GPIO14] = { 0x29c, 14, 3 }, + [PAD_GPIO15] = { 0x29c, 17, 3 }, + [PAD_GPIO16] = { 0x29c, 20, 3 }, + [PAD_GPIO17] = { 0x29c, 23, 3 }, + [PAD_GPIO18] = { 0x29c, 26, 3 }, + [PAD_GPIO19] = { 0x29c, 29, 3 }, + + [PAD_GPIO20] = { 0x2a0, 0, 3 }, + [PAD_GPIO21] = { 0x2a0, 3, 3 }, + [PAD_GPIO22] = { 0x2a0, 6, 3 }, + [PAD_GPIO23] = { 0x2a0, 9, 3 }, + [PAD_GPIO24] = { 0x2a0, 12, 3 }, + [PAD_GPIO25] = { 0x2a0, 15, 3 }, + [PAD_GPIO26] = { 0x2a0, 18, 3 }, + [PAD_GPIO27] = { 0x2a0, 21, 3 }, + [PAD_GPIO28] = { 0x2a0, 24, 3 }, + [PAD_GPIO29] = { 0x2a0, 27, 3 }, + + [PAD_GPIO30] = { 0x2a4, 0, 3 }, + [PAD_GPIO31] = { 0x2a4, 3, 3 }, + [PAD_GPIO32] = { 0x2a4, 6, 3 }, + [PAD_GPIO33] = { 0x2a4, 9, 3 }, + [PAD_GPIO34] = { 0x2a4, 12, 3 }, + [PAD_GPIO35] = { 0x2a4, 15, 3 }, + [PAD_GPIO36] = { 0x2a4, 17, 3 }, + [PAD_GPIO37] = { 0x2a4, 20, 3 }, + [PAD_GPIO38] = { 0x2a4, 23, 3 }, + [PAD_GPIO39] = { 0x2a4, 26, 3 }, + [PAD_GPIO40] = { 0x2a4, 29, 3 }, + + [PAD_GPIO41] = { 0x2a8, 0, 3 }, + [PAD_GPIO42] = { 0x2a8, 3, 3 }, + [PAD_GPIO43] = { 0x2a8, 6, 3 }, + [PAD_GPIO44] = { 0x2a8, 9, 3 }, + [PAD_GPIO45] = { 0x2a8, 12, 3 }, + [PAD_GPIO46] = { 0x2a8, 15, 3 }, + [PAD_GPIO47] = { 0x2a8, 18, 3 }, + [PAD_GPIO48] = { 0x2a8, 21, 3 }, + [PAD_GPIO49] = { 0x2a8, 24, 3 }, + [PAD_GPIO50] = { 0x2a8, 27, 3 }, + [PAD_GPIO51] = { 0x2a8, 30, 3 }, + + [PAD_GPIO52] = { 0x2ac, 0, 3 }, + [PAD_GPIO53] = { 0x2ac, 2, 3 }, + [PAD_GPIO54] = { 0x2ac, 4, 3 }, + [PAD_GPIO55] = { 0x2ac, 6, 3 }, + [PAD_GPIO56] = { 0x2ac, 9, 3 }, + [PAD_GPIO57] = { 0x2ac, 12, 3 }, + [PAD_GPIO58] = { 0x2ac, 15, 3 }, + [PAD_GPIO59] = { 0x2ac, 18, 3 }, + [PAD_GPIO60] = { 0x2ac, 21, 3 }, + [PAD_GPIO61] = { 0x2ac, 24, 3 }, + [PAD_GPIO62] = { 0x2ac, 27, 3 }, + [PAD_GPIO63] = { 0x2ac, 30, 3 }, + + [PAD_GPIO6] = { 0x2b0, 0, 3 }, + [PAD_GPIO7] = { 0x2b0, 2, 3 }, + [PAD_GPIO8] = { 0x2b0, 5, 3 }, + [PAD_GPIO9] = { 0x2b0, 8, 3 }, +}; + +struct jh7110_vin_group_sel { + u16 offset; + u8 shift; + u8 group; +}; + +static const struct jh7110_vin_group_sel + jh7110_sys_vin_group_sel[ARRAY_SIZE(jh7110_sys_pins)] = { + [PAD_GPIO6] = { 0x2b4, 21, 0 }, + [PAD_GPIO7] = { 0x2b4, 18, 0 }, + [PAD_GPIO8] = { 0x2b4, 15, 0 }, + [PAD_GPIO9] = { 0x2b0, 11, 0 }, + [PAD_GPIO10] = { 0x2b0, 20, 0 }, + [PAD_GPIO11] = { 0x2b0, 23, 0 }, + [PAD_GPIO12] = { 0x2b0, 26, 0 }, + [PAD_GPIO13] = { 0x2b0, 29, 0 }, + [PAD_GPIO14] = { 0x2b4, 0, 0 }, + [PAD_GPIO15] = { 0x2b4, 3, 0 }, + [PAD_GPIO16] = { 0x2b4, 6, 0 }, + [PAD_GPIO17] = { 0x2b4, 9, 0 }, + [PAD_GPIO18] = { 0x2b4, 12, 0 }, + [PAD_GPIO19] = { 0x2b0, 14, 0 }, + [PAD_GPIO20] = { 0x2b0, 17, 0 }, + + [PAD_GPIO21] = { 0x2b4, 21, 1 }, + [PAD_GPIO22] = { 0x2b4, 18, 1 }, + [PAD_GPIO23] = { 0x2b4, 15, 1 }, + [PAD_GPIO24] = { 0x2b0, 11, 1 }, + [PAD_GPIO25] = { 0x2b0, 20, 1 }, + [PAD_GPIO26] = { 0x2b0, 23, 1 }, + [PAD_GPIO27] = { 0x2b0, 26, 1 }, + [PAD_GPIO28] = { 0x2b0, 29, 1 }, + [PAD_GPIO29] = { 0x2b4, 0, 1 }, + [PAD_GPIO30] = { 0x2b4, 3, 1 }, + [PAD_GPIO31] = { 0x2b4, 6, 1 }, + [PAD_GPIO32] = { 0x2b4, 9, 1 }, + [PAD_GPIO33] = { 0x2b4, 12, 1 }, + [PAD_GPIO34] = { 0x2b0, 14, 1 }, + [PAD_GPIO35] = { 0x2b0, 17, 1 }, + + [PAD_GPIO36] = { 0x2b4, 21, 2 }, + [PAD_GPIO37] = { 0x2b4, 18, 2 }, + [PAD_GPIO38] = { 0x2b4, 15, 2 }, + [PAD_GPIO39] = { 0x2b0, 11, 2 }, + [PAD_GPIO40] = { 0x2b0, 20, 2 }, + [PAD_GPIO41] = { 0x2b0, 23, 2 }, + [PAD_GPIO42] = { 0x2b0, 26, 2 }, + [PAD_GPIO43] = { 0x2b0, 29, 2 }, + [PAD_GPIO44] = { 0x2b4, 0, 2 }, + [PAD_GPIO45] = { 0x2b4, 3, 2 }, + [PAD_GPIO46] = { 0x2b4, 6, 2 }, + [PAD_GPIO47] = { 0x2b4, 9, 2 }, + [PAD_GPIO48] = { 0x2b4, 12, 2 }, + [PAD_GPIO49] = { 0x2b0, 14, 2 }, + [PAD_GPIO50] = { 0x2b0, 17, 2 }, +}; + +static void jh7110_set_function(struct udevice *dev, + unsigned int pin, u32 func) +{ + const struct jh7110_func_sel *fs = &jh7110_sys_func_sel[pin]; + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + void __iomem *reg; + u32 mask; + + if (!fs->offset) + return; + + if (func > fs->max) + return; + + reg = priv->base + fs->offset; + func = func << fs->shift; + mask = 0x3U << fs->shift; + + func |= readl(reg) & ~mask; + writel(func, reg); +} + +static void jh7110_set_vin_group(struct udevice *dev, unsigned int pin) +{ + const struct jh7110_vin_group_sel *gs = + &jh7110_sys_vin_group_sel[pin]; + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + void __iomem *reg; + u32 mask; + u32 grp; + + if (!gs->offset) + return; + + reg = priv->base + gs->offset; + grp = gs->group << gs->shift; + mask = 0x3U << gs->shift; + + grp |= readl(reg) & ~mask; + writel(grp, reg); +} + +static int jh7110_sys_set_one_pin_mux(struct udevice *dev, unsigned int pin, + unsigned int din, u32 dout, u32 doen, u32 func) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + + if (pin < priv->info->ngpios && func == 0) + starfive_set_gpiomux(dev, pin, din, dout, doen); + + jh7110_set_function(dev, pin, func); + + if (pin < priv->info->ngpios && func == 2) + jh7110_set_vin_group(dev, pin); + + return 0; +} + +static int jh7110_sys_get_padcfg_base(struct udevice *dev, + unsigned int pin) +{ + if (pin < PAD_GMAC1_MDC) + return SYS_GPO_PDA_0_74_CFG; + else if (pin > PAD_GMAC1_TXC && pin <= PAD_QSPI_DATA3) + return SYS_GPO_PDA_89_94_CFG; + else + return -1; +} + +static void jh7110_sys_init_hw(struct udevice *dev) +{ + struct starfive_pinctrl_priv *priv = dev_get_priv(dev); + + /* mask all GPIO interrupts */ + writel(0U, priv->base + JH7110_SYS_GPIOIE0); + writel(0U, priv->base + JH7110_SYS_GPIOIE1); + /* clear edge interrupt flags */ + writel(~0U, priv->base + JH7110_SYS_GPIOIC0); + writel(~0U, priv->base + JH7110_SYS_GPIOIC1); + /* enable GPIO interrupts */ + writel(1U, priv->base + JH7110_SYS_GPIOEN); +} + +const struct starfive_pinctrl_soc_info jh7110_sys_pinctrl_info = { + /* pin conf */ + .set_one_pinmux = jh7110_sys_set_one_pin_mux, + .get_padcfg_base = jh7110_sys_get_padcfg_base, + + /* gpio dout/doen/din/gpioinput register */ + .dout_reg_base = JH7110_SYS_DOUT, + .dout_mask = GENMASK(6, 0), + .doen_reg_base = JH7110_SYS_DOEN, + .doen_mask = GENMASK(5, 0), + .gpi_reg_base = JH7110_SYS_GPI, + .gpi_mask = GENMASK(6, 0), + .gpioin_reg_base = JH7110_SYS_GPIOIN, + + /* gpio */ + .gpio_bank_name = "GPIO", + .ngpios = JH7110_SYS_NGPIO, + .gpio_init_hw = jh7110_sys_init_hw, +}; + +static int jh7110_sys_pinctrl_probe(struct udevice *dev) +{ + struct starfive_pinctrl_soc_info *info = + (struct starfive_pinctrl_soc_info *)dev_get_driver_data(dev); + + return starfive_pinctrl_probe(dev, info); +} + +static const struct udevice_id jh7110_sys_pinctrl_ids[] = { + /* JH7110 sys pinctrl */ + { .compatible = "starfive,jh7110-sys-pinctrl", + .data = (ulong)&jh7110_sys_pinctrl_info, }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(jh7110_sys_pinctrl) = { + .name = "jh7110-sys-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = jh7110_sys_pinctrl_ids, + .priv_auto = sizeof(struct starfive_pinctrl_priv), + .ops = &starfive_pinctrl_ops, + .probe = jh7110_sys_pinctrl_probe, +}; |
