| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jianlong Huang | 2943 | 100.00% | 1 | 100.00% |
| Total | 2943 | 1 |
// SPDX-License-Identifier: GPL-2.0 /* * Pinctrl / GPIO driver for StarFive JH7110 SoC sys controller * * Copyright (C) 2022 Emil Renner Berthing <kernel@esmil.dk> * Copyright (C) 2022 StarFive Technology Co., Ltd. */ #include <linux/bits.h> #include <linux/clk.h> #include <linux/gpio/driver.h> #include <linux/io.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/reset.h> #include <linux/spinlock.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> #include <dt-bindings/pinctrl/starfive,jh7110-pinctrl.h> #include "../core.h" #include "../pinctrl-utils.h" #include "../pinmux.h" #include "../pinconf.h" #include "pinctrl-starfive-jh7110.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 JH7110_SYS_GPO_PDA_0_74_CFG 0x120 #define JH7110_SYS_GPO_PDA_89_94_CFG 0x284 static const struct pinctrl_pin_desc jh7110_sys_pins[] = { PINCTRL_PIN(PAD_GPIO0, "GPIO0"), PINCTRL_PIN(PAD_GPIO1, "GPIO1"), PINCTRL_PIN(PAD_GPIO2, "GPIO2"), PINCTRL_PIN(PAD_GPIO3, "GPIO3"), PINCTRL_PIN(PAD_GPIO4, "GPIO4"), PINCTRL_PIN(PAD_GPIO5, "GPIO5"), PINCTRL_PIN(PAD_GPIO6, "GPIO6"), PINCTRL_PIN(PAD_GPIO7, "GPIO7"), PINCTRL_PIN(PAD_GPIO8, "GPIO8"), PINCTRL_PIN(PAD_GPIO9, "GPIO9"), PINCTRL_PIN(PAD_GPIO10, "GPIO10"), PINCTRL_PIN(PAD_GPIO11, "GPIO11"), PINCTRL_PIN(PAD_GPIO12, "GPIO12"), PINCTRL_PIN(PAD_GPIO13, "GPIO13"), PINCTRL_PIN(PAD_GPIO14, "GPIO14"), PINCTRL_PIN(PAD_GPIO15, "GPIO15"), PINCTRL_PIN(PAD_GPIO16, "GPIO16"), PINCTRL_PIN(PAD_GPIO17, "GPIO17"), PINCTRL_PIN(PAD_GPIO18, "GPIO18"), PINCTRL_PIN(PAD_GPIO19, "GPIO19"), PINCTRL_PIN(PAD_GPIO20, "GPIO20"), PINCTRL_PIN(PAD_GPIO21, "GPIO21"), PINCTRL_PIN(PAD_GPIO22, "GPIO22"), PINCTRL_PIN(PAD_GPIO23, "GPIO23"), PINCTRL_PIN(PAD_GPIO24, "GPIO24"), PINCTRL_PIN(PAD_GPIO25, "GPIO25"), PINCTRL_PIN(PAD_GPIO26, "GPIO26"), PINCTRL_PIN(PAD_GPIO27, "GPIO27"), PINCTRL_PIN(PAD_GPIO28, "GPIO28"), PINCTRL_PIN(PAD_GPIO29, "GPIO29"), PINCTRL_PIN(PAD_GPIO30, "GPIO30"), PINCTRL_PIN(PAD_GPIO31, "GPIO31"), PINCTRL_PIN(PAD_GPIO32, "GPIO32"), PINCTRL_PIN(PAD_GPIO33, "GPIO33"), PINCTRL_PIN(PAD_GPIO34, "GPIO34"), PINCTRL_PIN(PAD_GPIO35, "GPIO35"), PINCTRL_PIN(PAD_GPIO36, "GPIO36"), PINCTRL_PIN(PAD_GPIO37, "GPIO37"), PINCTRL_PIN(PAD_GPIO38, "GPIO38"), PINCTRL_PIN(PAD_GPIO39, "GPIO39"), PINCTRL_PIN(PAD_GPIO40, "GPIO40"), PINCTRL_PIN(PAD_GPIO41, "GPIO41"), PINCTRL_PIN(PAD_GPIO42, "GPIO42"), PINCTRL_PIN(PAD_GPIO43, "GPIO43"), PINCTRL_PIN(PAD_GPIO44, "GPIO44"), PINCTRL_PIN(PAD_GPIO45, "GPIO45"), PINCTRL_PIN(PAD_GPIO46, "GPIO46"), PINCTRL_PIN(PAD_GPIO47, "GPIO47"), PINCTRL_PIN(PAD_GPIO48, "GPIO48"), PINCTRL_PIN(PAD_GPIO49, "GPIO49"), PINCTRL_PIN(PAD_GPIO50, "GPIO50"), PINCTRL_PIN(PAD_GPIO51, "GPIO51"), PINCTRL_PIN(PAD_GPIO52, "GPIO52"), PINCTRL_PIN(PAD_GPIO53, "GPIO53"), PINCTRL_PIN(PAD_GPIO54, "GPIO54"), PINCTRL_PIN(PAD_GPIO55, "GPIO55"), PINCTRL_PIN(PAD_GPIO56, "GPIO56"), PINCTRL_PIN(PAD_GPIO57, "GPIO57"), PINCTRL_PIN(PAD_GPIO58, "GPIO58"), PINCTRL_PIN(PAD_GPIO59, "GPIO59"), PINCTRL_PIN(PAD_GPIO60, "GPIO60"), PINCTRL_PIN(PAD_GPIO61, "GPIO61"), PINCTRL_PIN(PAD_GPIO62, "GPIO62"), PINCTRL_PIN(PAD_GPIO63, "GPIO63"), PINCTRL_PIN(PAD_SD0_CLK, "SD0_CLK"), PINCTRL_PIN(PAD_SD0_CMD, "SD0_CMD"), PINCTRL_PIN(PAD_SD0_DATA0, "SD0_DATA0"), PINCTRL_PIN(PAD_SD0_DATA1, "SD0_DATA1"), PINCTRL_PIN(PAD_SD0_DATA2, "SD0_DATA2"), PINCTRL_PIN(PAD_SD0_DATA3, "SD0_DATA3"), PINCTRL_PIN(PAD_SD0_DATA4, "SD0_DATA4"), PINCTRL_PIN(PAD_SD0_DATA5, "SD0_DATA5"), PINCTRL_PIN(PAD_SD0_DATA6, "SD0_DATA6"), PINCTRL_PIN(PAD_SD0_DATA7, "SD0_DATA7"), PINCTRL_PIN(PAD_SD0_STRB, "SD0_STRB"), PINCTRL_PIN(PAD_GMAC1_MDC, "GMAC1_MDC"), PINCTRL_PIN(PAD_GMAC1_MDIO, "GMAC1_MDIO"), PINCTRL_PIN(PAD_GMAC1_RXD0, "GMAC1_RXD0"), PINCTRL_PIN(PAD_GMAC1_RXD1, "GMAC1_RXD1"), PINCTRL_PIN(PAD_GMAC1_RXD2, "GMAC1_RXD2"), PINCTRL_PIN(PAD_GMAC1_RXD3, "GMAC1_RXD3"), PINCTRL_PIN(PAD_GMAC1_RXDV, "GMAC1_RXDV"), PINCTRL_PIN(PAD_GMAC1_RXC, "GMAC1_RXC"), PINCTRL_PIN(PAD_GMAC1_TXD0, "GMAC1_TXD0"), PINCTRL_PIN(PAD_GMAC1_TXD1, "GMAC1_TXD1"), PINCTRL_PIN(PAD_GMAC1_TXD2, "GMAC1_TXD2"), PINCTRL_PIN(PAD_GMAC1_TXD3, "GMAC1_TXD3"), PINCTRL_PIN(PAD_GMAC1_TXEN, "GMAC1_TXEN"), PINCTRL_PIN(PAD_GMAC1_TXC, "GMAC1_TXC"), PINCTRL_PIN(PAD_QSPI_SCLK, "QSPI_SCLK"), PINCTRL_PIN(PAD_QSPI_CS0, "QSPI_CS0"), PINCTRL_PIN(PAD_QSPI_DATA0, "QSPI_DATA0"), PINCTRL_PIN(PAD_QSPI_DATA1, "QSPI_DATA1"), PINCTRL_PIN(PAD_QSPI_DATA2, "QSPI_DATA2"), PINCTRL_PIN(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 jh7110_pinctrl *sfp, unsigned int pin, u32 func) { const struct jh7110_func_sel *fs = &jh7110_sys_func_sel[pin]; unsigned long flags; void __iomem *reg; u32 mask; if (!fs->offset) return; if (func > fs->max) return; reg = sfp->base + fs->offset; func = func << fs->shift; mask = 0x3U << fs->shift; raw_spin_lock_irqsave(&sfp->lock, flags); func |= readl_relaxed(reg) & ~mask; writel_relaxed(func, reg); raw_spin_unlock_irqrestore(&sfp->lock, flags); } static void jh7110_set_vin_group(struct jh7110_pinctrl *sfp, unsigned int pin) { const struct jh7110_vin_group_sel *gs = &jh7110_sys_vin_group_sel[pin]; unsigned long flags; void __iomem *reg; u32 mask; u32 grp; if (!gs->offset) return; reg = sfp->base + gs->offset; grp = gs->group << gs->shift; mask = 0x3U << gs->shift; raw_spin_lock_irqsave(&sfp->lock, flags); grp |= readl_relaxed(reg) & ~mask; writel_relaxed(grp, reg); raw_spin_unlock_irqrestore(&sfp->lock, flags); } static int jh7110_sys_set_one_pin_mux(struct jh7110_pinctrl *sfp, unsigned int pin, unsigned int din, u32 dout, u32 doen, u32 func) { if (pin < sfp->gc.ngpio && func == 0) jh7110_set_gpiomux(sfp, pin, din, dout, doen); jh7110_set_function(sfp, pin, func); if (pin < sfp->gc.ngpio && func == 2) jh7110_set_vin_group(sfp, pin); return 0; } static int jh7110_sys_get_padcfg_base(struct jh7110_pinctrl *sfp, unsigned int pin) { if (pin < PAD_GMAC1_MDC) return JH7110_SYS_GPO_PDA_0_74_CFG; else if (pin > PAD_GMAC1_TXC && pin <= PAD_QSPI_DATA3) return JH7110_SYS_GPO_PDA_89_94_CFG; else return -1; } static void jh7110_sys_irq_handler(struct irq_desc *desc) { struct jh7110_pinctrl *sfp = jh7110_from_irq_desc(desc); struct irq_chip *chip = irq_desc_get_chip(desc); unsigned long mis; unsigned int pin; chained_irq_enter(chip, desc); mis = readl_relaxed(sfp->base + JH7110_SYS_GPIOMIS0); for_each_set_bit(pin, &mis, 32) generic_handle_domain_irq(sfp->gc.irq.domain, pin); mis = readl_relaxed(sfp->base + JH7110_SYS_GPIOMIS1); for_each_set_bit(pin, &mis, 32) generic_handle_domain_irq(sfp->gc.irq.domain, pin + 32); chained_irq_exit(chip, desc); } static int jh7110_sys_init_hw(struct gpio_chip *gc) { struct jh7110_pinctrl *sfp = container_of(gc, struct jh7110_pinctrl, gc); /* mask all GPIO interrupts */ writel(0U, sfp->base + JH7110_SYS_GPIOIE0); writel(0U, sfp->base + JH7110_SYS_GPIOIE1); /* clear edge interrupt flags */ writel(~0U, sfp->base + JH7110_SYS_GPIOIC0); writel(~0U, sfp->base + JH7110_SYS_GPIOIC1); /* enable GPIO interrupts */ writel(1U, sfp->base + JH7110_SYS_GPIOEN); return 0; } static const struct jh7110_gpio_irq_reg jh7110_sys_irq_reg = { .is_reg_base = JH7110_SYS_GPIOIS0, .ic_reg_base = JH7110_SYS_GPIOIC0, .ibe_reg_base = JH7110_SYS_GPIOIBE0, .iev_reg_base = JH7110_SYS_GPIOIEV0, .ie_reg_base = JH7110_SYS_GPIOIE0, .ris_reg_base = JH7110_SYS_GPIORIS0, .mis_reg_base = JH7110_SYS_GPIOMIS0, }; static const struct jh7110_pinctrl_soc_info jh7110_sys_pinctrl_info = { .pins = jh7110_sys_pins, .npins = ARRAY_SIZE(jh7110_sys_pins), .ngpios = JH7110_SYS_NGPIO, .gc_base = JH7110_SYS_GC_BASE, .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, .irq_reg = &jh7110_sys_irq_reg, .jh7110_set_one_pin_mux = jh7110_sys_set_one_pin_mux, .jh7110_get_padcfg_base = jh7110_sys_get_padcfg_base, .jh7110_gpio_irq_handler = jh7110_sys_irq_handler, .jh7110_gpio_init_hw = jh7110_sys_init_hw, }; static const struct of_device_id jh7110_sys_pinctrl_of_match[] = { { .compatible = "starfive,jh7110-sys-pinctrl", .data = &jh7110_sys_pinctrl_info, }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, jh7110_sys_pinctrl_of_match); static struct platform_driver jh7110_sys_pinctrl_driver = { .probe = jh7110_pinctrl_probe, .driver = { .name = "starfive-jh7110-sys-pinctrl", .of_match_table = jh7110_sys_pinctrl_of_match, }, }; module_platform_driver(jh7110_sys_pinctrl_driver); MODULE_DESCRIPTION("Pinctrl driver for the StarFive JH7110 SoC sys controller"); MODULE_AUTHOR("Emil Renner Berthing <kernel@esmil.dk>"); MODULE_AUTHOR("Jianlong Huang <jianlong.huang@starfivetech.com>"); MODULE_LICENSE("GPL");
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