diff options
Diffstat (limited to 'drivers/pinctrl/renesas/pinctrl-rzg2l.c')
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzg2l.c | 1702 |
1 files changed, 1498 insertions, 204 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 80fb5011c7bb..ce4a07a3df49 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -5,6 +5,7 @@ * Copyright (C) 2021 Renesas Electronics Corporation. */ +#include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/clk.h> #include <linux/gpio/driver.h> @@ -15,6 +16,7 @@ #include <linux/of.h> #include <linux/of_irq.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/seq_file.h> #include <linux/spinlock.h> @@ -24,6 +26,8 @@ #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> +#include <dt-bindings/pinctrl/renesas,r9a09g047-pinctrl.h> +#include <dt-bindings/pinctrl/renesas,r9a09g057-pinctrl.h> #include <dt-bindings/pinctrl/rzg2l-pinctrl.h> #include "../core.h" @@ -38,8 +42,6 @@ */ #define MUX_PIN_ID_MASK GENMASK(15, 0) #define MUX_FUNC_MASK GENMASK(31, 16) -#define MUX_FUNC_OFFS 16 -#define MUX_FUNC(pinconf) (((pinconf) & MUX_FUNC_MASK) >> MUX_FUNC_OFFS) /* PIN capabilities */ #define PIN_CFG_IOLH_A BIT(0) @@ -52,19 +54,23 @@ #define PIN_CFG_IO_VMC_QSPI BIT(7) #define PIN_CFG_IO_VMC_ETH0 BIT(8) #define PIN_CFG_IO_VMC_ETH1 BIT(9) -#define PIN_CFG_FILONOFF BIT(10) -#define PIN_CFG_FILNUM BIT(11) -#define PIN_CFG_FILCLKSEL BIT(12) -#define PIN_CFG_IOLH_C BIT(13) -#define PIN_CFG_SOFT_PS BIT(14) -#define PIN_CFG_OEN BIT(15) +#define PIN_CFG_NF BIT(10) /* Digital noise filter */ +#define PIN_CFG_IOLH_C BIT(11) +#define PIN_CFG_SOFT_PS BIT(12) +#define PIN_CFG_OEN BIT(13) +#define PIN_CFG_NOGPIO_INT BIT(14) +#define PIN_CFG_NOD BIT(15) /* N-ch Open Drain */ +#define PIN_CFG_SMT BIT(16) /* Schmitt-trigger input control */ +#define PIN_CFG_ELC BIT(17) +#define PIN_CFG_IOLH_RZV2H BIT(18) + +#define RZG2L_SINGLE_PIN BIT_ULL(63) /* Dedicated pin */ +#define RZG2L_VARIABLE_CFG BIT_ULL(62) /* Variable cfg for port pins */ #define RZG2L_MPXED_COMMON_PIN_FUNCS(group) \ (PIN_CFG_IOLH_##group | \ PIN_CFG_PUPD | \ - PIN_CFG_FILONOFF | \ - PIN_CFG_FILNUM | \ - PIN_CFG_FILCLKSEL) + PIN_CFG_NF) #define RZG2L_MPXED_PIN_FUNCS (RZG2L_MPXED_COMMON_PIN_FUNCS(A) | \ PIN_CFG_SR) @@ -72,32 +78,58 @@ #define RZG3S_MPXED_PIN_FUNCS(group) (RZG2L_MPXED_COMMON_PIN_FUNCS(group) | \ PIN_CFG_SOFT_PS) -#define RZG2L_MPXED_ETH_PIN_FUNCS(x) ((x) | \ - PIN_CFG_FILONOFF | \ - PIN_CFG_FILNUM | \ - PIN_CFG_FILCLKSEL) +#define RZV2H_MPXED_PIN_FUNCS (RZG2L_MPXED_COMMON_PIN_FUNCS(RZV2H) | \ + PIN_CFG_NOD | \ + PIN_CFG_SR | \ + PIN_CFG_SMT) + +#define RZG2L_MPXED_ETH_PIN_FUNCS(x) ((x) | PIN_CFG_NF) + +#define PIN_CFG_PIN_MAP_MASK GENMASK_ULL(61, 54) +#define PIN_CFG_PIN_REG_MASK GENMASK_ULL(53, 46) +#define PIN_CFG_MASK GENMASK_ULL(31, 0) + +/* + * m indicates the bitmap of supported pins, a is the register index + * and f is pin configuration capabilities supported. + */ +#define RZG2L_GPIO_PORT_SPARSE_PACK(m, a, f) (FIELD_PREP_CONST(PIN_CFG_PIN_MAP_MASK, (m)) | \ + FIELD_PREP_CONST(PIN_CFG_PIN_REG_MASK, (a)) | \ + FIELD_PREP_CONST(PIN_CFG_MASK, (f))) +#define RZG2L_GPIO_PORT_SPARSE_PACK_VARIABLE(m, a) \ + (RZG2L_VARIABLE_CFG | \ + RZG2L_GPIO_PORT_SPARSE_PACK(m, a, 0)) /* * n indicates number of pins in the port, a is the register index * and f is pin configuration capabilities supported. */ -#define RZG2L_GPIO_PORT_PACK(n, a, f) (((n) << 28) | ((a) << 20) | (f)) -#define RZG2L_GPIO_PORT_GET_PINCNT(x) (((x) & GENMASK(30, 28)) >> 28) +#define RZG2L_GPIO_PORT_PACK(n, a, f) RZG2L_GPIO_PORT_SPARSE_PACK((1ULL << (n)) - 1, (a), (f)) +#define RZG2L_GPIO_PORT_PACK_VARIABLE(n, a) (RZG2L_VARIABLE_CFG | \ + RZG2L_GPIO_PORT_PACK(n, a, 0)) +#define RZG2L_SINGLE_PIN_INDEX_MASK GENMASK_ULL(62, 56) +#define RZG2L_SINGLE_PIN_BITS_MASK GENMASK_ULL(55, 53) /* - * BIT(31) indicates dedicated pin, p is the register index while - * referencing to SR/IEN/IOLH/FILxx registers, b is the register bits - * (b * 8) and f is the pin configuration capabilities supported. + * p is the register index while referencing to SR/IEN/IOLH/FILxx + * registers, b is the register bits (b * 8) and f is the pin + * configuration capabilities supported. */ -#define RZG2L_SINGLE_PIN BIT(31) #define RZG2L_SINGLE_PIN_PACK(p, b, f) (RZG2L_SINGLE_PIN | \ - ((p) << 24) | ((b) << 20) | (f)) -#define RZG2L_SINGLE_PIN_GET_BIT(x) (((x) & GENMASK(22, 20)) >> 20) + FIELD_PREP_CONST(RZG2L_SINGLE_PIN_INDEX_MASK, (p)) | \ + FIELD_PREP_CONST(RZG2L_SINGLE_PIN_BITS_MASK, (b)) | \ + FIELD_PREP_CONST(PIN_CFG_MASK, (f))) -#define RZG2L_PIN_CFG_TO_CAPS(cfg) ((cfg) & GENMASK(19, 0)) #define RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg) ((cfg) & RZG2L_SINGLE_PIN ? \ - (((cfg) & GENMASK(30, 24)) >> 24) : \ - (((cfg) & GENMASK(26, 20)) >> 20)) + FIELD_GET(RZG2L_SINGLE_PIN_INDEX_MASK, (cfg)) : \ + FIELD_GET(PIN_CFG_PIN_REG_MASK, (cfg))) + +#define VARIABLE_PIN_CFG_PIN_MASK GENMASK_ULL(54, 52) +#define VARIABLE_PIN_CFG_PORT_MASK GENMASK_ULL(51, 47) +#define RZG2L_VARIABLE_PIN_CFG_PACK(port, pin, cfg) \ + (FIELD_PREP_CONST(VARIABLE_PIN_CFG_PIN_MASK, (pin)) | \ + FIELD_PREP_CONST(VARIABLE_PIN_CFG_PORT_MASK, (port)) | \ + FIELD_PREP_CONST(PIN_CFG_MASK, (cfg))) #define P(off) (0x0000 + (off)) #define PM(off) (0x0100 + (off) * 2) @@ -105,12 +137,17 @@ #define PFC(off) (0x0400 + (off) * 4) #define PIN(off) (0x0800 + (off)) #define IOLH(off) (0x1000 + (off) * 8) +#define SR(off) (0x1400 + (off) * 8) #define IEN(off) (0x1800 + (off) * 8) +#define PUPD(off) (0x1C00 + (off) * 8) #define ISEL(off) (0x2C00 + (off) * 8) +#define NOD(off) (0x3000 + (off) * 8) +#define SMT(off) (0x3400 + (off) * 8) #define SD_CH(off, ch) ((off) + (ch) * 4) #define ETH_POC(off, ch) ((off) + (ch) * 4) #define QSPI (0x3008) #define ETH_MODE (0x3018) +#define PFC_OEN (0x3C40) /* known on RZ/V2H(P) only */ #define PVDD_2500 2 /* I/O domain voltage 2.5V */ #define PVDD_1800 1 /* I/O domain voltage <= 1.8V */ @@ -118,11 +155,17 @@ #define PWPR_B0WI BIT(7) /* Bit Write Disable */ #define PWPR_PFCWE BIT(6) /* PFC Register Write Enable */ +#define PWPR_REGWE_A BIT(6) /* PFC and PMC Register Write Enable on RZ/V2H(P) */ +#define PWPR_REGWE_B BIT(5) /* OEN Register Write Enable, known only in RZ/V2H(P) */ #define PM_MASK 0x03 -#define PFC_MASK 0x07 +#define PFC_MASK 0x0f #define IEN_MASK 0x01 #define IOLH_MASK 0x03 +#define SR_MASK 0x01 +#define PUPD_MASK 0x03 +#define NOD_MASK 0x01 +#define SMT_MASK 0x01 #define PM_INPUT 0x1 #define PM_OUTPUT 0x2 @@ -131,9 +174,48 @@ #define RZG2L_PIN_ID_TO_PIN(id) ((id) % RZG2L_PINS_PER_PORT) #define RZG2L_TINT_MAX_INTERRUPT 32 -#define RZG2L_TINT_IRQ_START_INDEX 9 #define RZG2L_PACK_HWIRQ(t, i) (((t) << 16) | (i)) +/* Custom pinconf parameters */ +#define RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE (PIN_CONFIG_END + 1) + +static const struct pinconf_generic_params renesas_rzv2h_custom_bindings[] = { + { "renesas,output-impedance", RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE, 1 }, +}; + +#ifdef CONFIG_DEBUG_FS +static const struct pin_config_item renesas_rzv2h_conf_items[] = { + PCONFDUMP(RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE, "output-impedance", "x", true), +}; +#endif + +/* Read/write 8 bits register */ +#define RZG2L_PCTRL_REG_ACCESS8(_read, _addr, _val) \ + do { \ + if (_read) \ + _val = readb(_addr); \ + else \ + writeb(_val, _addr); \ + } while (0) + +/* Read/write 16 bits register */ +#define RZG2L_PCTRL_REG_ACCESS16(_read, _addr, _val) \ + do { \ + if (_read) \ + _val = readw(_addr); \ + else \ + writew(_val, _addr); \ + } while (0) + +/* Read/write 32 bits register */ +#define RZG2L_PCTRL_REG_ACCESS32(_read, _addr, _val) \ + do { \ + if (_read) \ + _val = readl(_addr); \ + else \ + writel(_val, _addr); \ + } while (0) + /** * struct rzg2l_register_offsets - specific register offsets * @pwpr: PWPR register offset @@ -170,6 +252,7 @@ enum rzg2l_iolh_index { * @iolh_groupb_ua: IOLH group B uA specific values * @iolh_groupc_ua: IOLH group C uA specific values * @iolh_groupb_oi: IOLH group B output impedance specific values + * @tint_start_index: the start index for the TINT interrupts * @drive_strength_ua: drive strength in uA is supported (otherwise mA is supported) * @func_base: base number for port function (see register PFC) * @oen_max_pin: the maximum pin number supporting output enable @@ -181,6 +264,7 @@ struct rzg2l_hwcfg { u16 iolh_groupb_ua[RZG2L_IOLH_IDX_MAX]; u16 iolh_groupc_ua[RZG2L_IOLH_IDX_MAX]; u16 iolh_groupb_oi[4]; + u16 tint_start_index; bool drive_strength_ua; u8 func_base; u8 oen_max_pin; @@ -189,17 +273,32 @@ struct rzg2l_hwcfg { struct rzg2l_dedicated_configs { const char *name; - u32 config; + u64 config; }; +struct rzg2l_pinctrl; + struct rzg2l_pinctrl_data { const char * const *port_pins; - const u32 *port_pin_configs; + const u64 *port_pin_configs; unsigned int n_ports; const struct rzg2l_dedicated_configs *dedicated_pins; unsigned int n_port_pins; unsigned int n_dedicated_pins; const struct rzg2l_hwcfg *hwcfg; + const u64 *variable_pin_cfg; + unsigned int n_variable_pin_cfg; + unsigned int num_custom_params; + const struct pinconf_generic_params *custom_params; +#ifdef CONFIG_DEBUG_FS + const struct pin_config_item *custom_conf_items; +#endif + void (*pwpr_pfc_lock_unlock)(struct rzg2l_pinctrl *pctrl, bool lock); + void (*pmc_writeb)(struct rzg2l_pinctrl *pctrl, u8 val, u16 offset); + u32 (*oen_read)(struct rzg2l_pinctrl *pctrl, unsigned int _pin); + int (*oen_write)(struct rzg2l_pinctrl *pctrl, unsigned int _pin, u8 oen); + int (*hw_to_bias_param)(unsigned int val); + int (*bias_param_to_hw)(enum pin_config_param param); }; /** @@ -212,6 +311,32 @@ struct rzg2l_pinctrl_pin_settings { u16 drive_strength_ua; }; +/** + * struct rzg2l_pinctrl_reg_cache - register cache structure (to be used in suspend/resume) + * @p: P registers cache + * @pm: PM registers cache + * @pmc: PMC registers cache + * @pfc: PFC registers cache + * @iolh: IOLH registers cache + * @ien: IEN registers cache + * @sd_ch: SD_CH registers cache + * @eth_poc: ET_POC registers cache + * @eth_mode: ETH_MODE register cache + * @qspi: QSPI registers cache + */ +struct rzg2l_pinctrl_reg_cache { + u8 *p; + u16 *pm; + u8 *pmc; + u32 *pfc; + u32 *iolh[2]; + u32 *ien[2]; + u8 sd_ch[2]; + u8 eth_poc[2]; + u8 eth_mode; + u8 qspi; +}; + struct rzg2l_pinctrl { struct pinctrl_dev *pctl; struct pinctrl_desc desc; @@ -221,6 +346,8 @@ struct rzg2l_pinctrl { void __iomem *base; struct device *dev; + struct clk *clk; + struct gpio_chip gpio_chip; struct pinctrl_gpio_range gpio_range; DECLARE_BITMAP(tint_slot, RZG2L_TINT_MAX_INTERRUPT); @@ -231,14 +358,142 @@ struct rzg2l_pinctrl { struct mutex mutex; /* serialize adding groups and functions */ struct rzg2l_pinctrl_pin_settings *settings; + struct rzg2l_pinctrl_reg_cache *cache; + struct rzg2l_pinctrl_reg_cache *dedicated_cache; + atomic_t wakeup_path; }; static const u16 available_ps[] = { 1800, 2500, 3300 }; +static u64 rzg2l_pinctrl_get_variable_pin_cfg(struct rzg2l_pinctrl *pctrl, + u64 pincfg, + unsigned int port, + u8 pin) +{ + unsigned int i; + + for (i = 0; i < pctrl->data->n_variable_pin_cfg; i++) { + u64 cfg = pctrl->data->variable_pin_cfg[i]; + + if (FIELD_GET(VARIABLE_PIN_CFG_PORT_MASK, cfg) == port && + FIELD_GET(VARIABLE_PIN_CFG_PIN_MASK, cfg) == pin) + return (pincfg & ~RZG2L_VARIABLE_CFG) | FIELD_GET(PIN_CFG_MASK, cfg); + } + + return 0; +} + +static const u64 r9a09g047_variable_pin_cfg[] = { + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PA, 0, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PA, 1, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PA, 2, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PA, 3, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PA, 4, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PA, 5, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PA, 6, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PA, 7, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PD, 0, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PD, 1, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PD, 2, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PD, 3, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PD, 4, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PD, 5, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PD, 6, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PD, 7, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PG, 0, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PG, 1, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PG, 2, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PG, 3, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PG, 4, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PG, 5, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PG, 6, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PG, 7, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PH, 0, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PH, 1, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PH, 2, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PH, 3, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PH, 4, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PH, 5, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PJ, 0, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PJ, 1, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PJ, 2, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PJ, 3, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZG3E_PJ, 4, RZV2H_MPXED_PIN_FUNCS), +}; + +static const u64 r9a09g057_variable_pin_cfg[] = { + RZG2L_VARIABLE_PIN_CFG_PACK(RZV2H_PB, 0, RZV2H_MPXED_PIN_FUNCS), + RZG2L_VARIABLE_PIN_CFG_PACK(RZV2H_PB, 1, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZV2H_PB, 2, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZV2H_PB, 3, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZV2H_PB, 4, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), + RZG2L_VARIABLE_PIN_CFG_PACK(RZV2H_PB, 5, RZV2H_MPXED_PIN_FUNCS | PIN_CFG_IEN), +}; + +#ifdef CONFIG_RISCV +static const u64 r9a07g043f_variable_pin_cfg[] = { + RZG2L_VARIABLE_PIN_CFG_PACK(20, 0, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NF | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(20, 1, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NF | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(20, 2, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NF | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(20, 3, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(20, 4, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(20, 5, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(20, 6, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(20, 7, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(23, 1, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(23, 2, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(23, 3, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(23, 4, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(23, 5, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(24, 0, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(24, 1, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(24, 2, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(24, 3, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(24, 4, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NOGPIO_INT), + RZG2L_VARIABLE_PIN_CFG_PACK(24, 5, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NF | + PIN_CFG_NOGPIO_INT), +}; +#endif + +static void rzg2l_pmc_writeb(struct rzg2l_pinctrl *pctrl, u8 val, u16 offset) +{ + writeb(val, pctrl->base + offset); +} + +static void rzv2h_pmc_writeb(struct rzg2l_pinctrl *pctrl, u8 val, u16 offset) +{ + const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs; + u8 pwpr; + + pwpr = readb(pctrl->base + regs->pwpr); + writeb(pwpr | PWPR_REGWE_A, pctrl->base + regs->pwpr); + writeb(val, pctrl->base + offset); + writeb(pwpr & ~PWPR_REGWE_A, pctrl->base + regs->pwpr); +} + static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl, u8 pin, u8 off, u8 func) { - const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs; unsigned long flags; u32 reg; @@ -249,27 +504,23 @@ static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl, reg &= ~(PM_MASK << (pin * 2)); writew(reg, pctrl->base + PM(off)); + pctrl->data->pwpr_pfc_lock_unlock(pctrl, false); + /* Temporarily switch to GPIO mode with PMC register */ reg = readb(pctrl->base + PMC(off)); writeb(reg & ~BIT(pin), pctrl->base + PMC(off)); - /* Set the PWPR register to allow PFC register to write */ - writel(0x0, pctrl->base + regs->pwpr); /* B0WI=0, PFCWE=0 */ - writel(PWPR_PFCWE, pctrl->base + regs->pwpr); /* B0WI=0, PFCWE=1 */ - /* Select Pin function mode with PFC register */ reg = readl(pctrl->base + PFC(off)); reg &= ~(PFC_MASK << (pin * 4)); writel(reg | (func << (pin * 4)), pctrl->base + PFC(off)); - /* Set the PWPR register to be write-protected */ - writel(0x0, pctrl->base + regs->pwpr); /* B0WI=0, PFCWE=0 */ - writel(PWPR_B0WI, pctrl->base + regs->pwpr); /* B0WI=1, PFCWE=0 */ - /* Switch to Peripheral pin function with PMC register */ reg = readb(pctrl->base + PMC(off)); writeb(reg | BIT(pin), pctrl->base + PMC(off)); + pctrl->data->pwpr_pfc_lock_unlock(pctrl, true); + spin_unlock_irqrestore(&pctrl->lock, flags); }; @@ -295,7 +546,7 @@ static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev, pins = group->grp.pins; for (i = 0; i < group->grp.npins; i++) { - unsigned int *pin_data = pctrl->desc.pins[pins[i]].drv_data; + u64 *pin_data = pctrl->desc.pins[pins[i]].drv_data; u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); u32 pin = RZG2L_PIN_ID_TO_PIN(pins[i]); @@ -316,8 +567,7 @@ static int rzg2l_map_add_config(struct pinctrl_map *map, { unsigned long *cfgs; - cfgs = kmemdup(configs, num_configs * sizeof(*cfgs), - GFP_KERNEL); + cfgs = kmemdup_array(configs, num_configs, sizeof(*cfgs), GFP_KERNEL); if (!cfgs) return -ENOMEM; @@ -375,7 +625,7 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev, return -EINVAL; } - ret = pinconf_generic_parse_dt_config(np, NULL, &configs, &num_configs); + ret = pinconf_generic_parse_dt_config(np, pctldev, &configs, &num_configs); if (ret < 0) return ret; @@ -432,8 +682,8 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev, ret = of_property_read_u32_index(np, "pinmux", i, &value); if (ret) goto done; - pins[i] = value & MUX_PIN_ID_MASK; - psel_val[i] = MUX_FUNC(value); + pins[i] = FIELD_GET(MUX_PIN_ID_MASK, value); + psel_val[i] = FIELD_GET(MUX_FUNC_MASK, value); } if (parent) { @@ -447,6 +697,16 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev, name = np->name; } + if (num_configs) { + ret = rzg2l_map_add_config(&maps[idx], name, + PIN_MAP_TYPE_CONFIGS_GROUP, + configs, num_configs); + if (ret < 0) + goto done; + + idx++; + } + mutex_lock(&pctrl->mutex); /* Register a single pin group listing all the pins we read from DT */ @@ -474,16 +734,6 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev, maps[idx].data.mux.function = name; idx++; - if (num_configs) { - ret = rzg2l_map_add_config(&maps[idx], name, - PIN_MAP_TYPE_CONFIGS_GROUP, - configs, num_configs); - if (ret < 0) - goto remove_group; - - idx++; - } - dev_dbg(pctrl->dev, "Parsed %pOF with %d pins\n", np, num_pinmux); ret = 0; goto done; @@ -521,7 +771,6 @@ static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev, unsigned int *num_maps) { struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); - struct device_node *child; unsigned int index; int ret; @@ -529,13 +778,11 @@ static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev, *num_maps = 0; index = 0; - for_each_child_of_node(np, child) { + for_each_child_of_node_scoped(np, child) { ret = rzg2l_dt_subnode_to_map(pctldev, child, np, map, num_maps, &index); - if (ret < 0) { - of_node_put(child); + if (ret < 0) goto done; - } } if (*num_maps == 0) { @@ -558,13 +805,13 @@ done: } static int rzg2l_validate_gpio_pin(struct rzg2l_pinctrl *pctrl, - u32 cfg, u32 port, u8 bit) + u64 cfg, u32 port, u8 bit) { - u8 pincount = RZG2L_GPIO_PORT_GET_PINCNT(cfg); + u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg); u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg); - u32 data; + u64 data; - if (bit >= pincount || port >= pctrl->data->n_port_pins) + if (!(pinmap & BIT(bit)) || port >= pctrl->data->n_port_pins) return -EINVAL; data = pctrl->data->port_pin_configs[port]; @@ -668,6 +915,8 @@ static int rzg2l_set_power_source(struct rzg2l_pinctrl *pctrl, u32 pin, u32 caps val = PVDD_1800; break; case 2500: + if (!(caps & (PIN_CFG_IO_VMC_ETH0 | PIN_CFG_IO_VMC_ETH1))) + return -EINVAL; val = PVDD_2500; break; case 3300: @@ -788,53 +1037,100 @@ static bool rzg2l_ds_is_supported(struct rzg2l_pinctrl *pctrl, u32 caps, return false; } -static bool rzg2l_oen_is_supported(u32 caps, u8 pin, u8 max_pin) +static int rzg2l_pin_to_oen_bit(struct rzg2l_pinctrl *pctrl, unsigned int _pin) { - if (!(caps & PIN_CFG_OEN)) - return false; + u64 *pin_data = pctrl->desc.pins[_pin].drv_data; + u64 caps = FIELD_GET(PIN_CFG_MASK, *pin_data); + u8 pin = RZG2L_PIN_ID_TO_PIN(_pin); - if (pin > max_pin) - return false; + if (pin > pctrl->data->hwcfg->oen_max_pin) + return -EINVAL; + + /* + * We can determine which Ethernet interface we're dealing with from + * the caps. + */ + if (caps & PIN_CFG_IO_VMC_ETH0) + return 0; + if (caps & PIN_CFG_IO_VMC_ETH1) + return 1; - return true; + return -EINVAL; } -static u8 rzg2l_pin_to_oen_bit(u32 offset, u8 pin, u8 max_port) +static u32 rzg2l_read_oen(struct rzg2l_pinctrl *pctrl, unsigned int _pin) { - if (pin) - pin *= 2; + int bit; - if (offset / RZG2L_PINS_PER_PORT == max_port) - pin += 1; + bit = rzg2l_pin_to_oen_bit(pctrl, _pin); + if (bit < 0) + return 0; - return pin; + return !(readb(pctrl->base + ETH_MODE) & BIT(bit)); } -static u32 rzg2l_read_oen(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin) +static int rzg2l_write_oen(struct rzg2l_pinctrl *pctrl, unsigned int _pin, u8 oen) { - u8 max_port = pctrl->data->hwcfg->oen_max_port; - u8 max_pin = pctrl->data->hwcfg->oen_max_pin; - u8 bit; + unsigned long flags; + int bit; + u8 val; - if (!rzg2l_oen_is_supported(caps, pin, max_pin)) - return 0; + bit = rzg2l_pin_to_oen_bit(pctrl, _pin); + if (bit < 0) + return bit; + + spin_lock_irqsave(&pctrl->lock, flags); + val = readb(pctrl->base + ETH_MODE); + if (oen) + val &= ~BIT(bit); + else + val |= BIT(bit); + writeb(val, pctrl->base + ETH_MODE); + spin_unlock_irqrestore(&pctrl->lock, flags); + + return 0; +} + +static int rzg3s_pin_to_oen_bit(struct rzg2l_pinctrl *pctrl, unsigned int _pin) +{ + u64 *pin_data = pctrl->desc.pins[_pin].drv_data; + u8 port, pin, bit; + + if (*pin_data & RZG2L_SINGLE_PIN) + return -EINVAL; + + port = RZG2L_PIN_ID_TO_PORT(_pin); + pin = RZG2L_PIN_ID_TO_PIN(_pin); + if (pin > pctrl->data->hwcfg->oen_max_pin) + return -EINVAL; + + bit = pin * 2; + if (port == pctrl->data->hwcfg->oen_max_port) + bit += 1; + + return bit; +} - bit = rzg2l_pin_to_oen_bit(offset, pin, max_port); +static u32 rzg3s_oen_read(struct rzg2l_pinctrl *pctrl, unsigned int _pin) +{ + int bit; + + bit = rzg3s_pin_to_oen_bit(pctrl, _pin); + if (bit < 0) + return bit; return !(readb(pctrl->base + ETH_MODE) & BIT(bit)); } -static int rzg2l_write_oen(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 pin, u8 oen) +static int rzg3s_oen_write(struct rzg2l_pinctrl *pctrl, unsigned int _pin, u8 oen) { - u8 max_port = pctrl->data->hwcfg->oen_max_port; - u8 max_pin = pctrl->data->hwcfg->oen_max_pin; unsigned long flags; - u8 val, bit; - - if (!rzg2l_oen_is_supported(caps, pin, max_pin)) - return -EINVAL; + int bit; + u8 val; - bit = rzg2l_pin_to_oen_bit(offset, pin, max_port); + bit = rzg3s_pin_to_oen_bit(pctrl, _pin); + if (bit < 0) + return bit; spin_lock_irqsave(&pctrl->lock, flags); val = readb(pctrl->base + ETH_MODE); @@ -848,17 +1144,134 @@ static int rzg2l_write_oen(struct rzg2l_pinctrl *pctrl, u32 caps, u32 offset, u8 return 0; } +static int rzg2l_hw_to_bias_param(unsigned int bias) +{ + switch (bias) { + case 0: + return PIN_CONFIG_BIAS_DISABLE; + case 1: + return PIN_CONFIG_BIAS_PULL_UP; + case 2: + return PIN_CONFIG_BIAS_PULL_DOWN; + default: + break; + } + + return -EINVAL; +} + +static int rzg2l_bias_param_to_hw(enum pin_config_param param) +{ + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + return 0; + case PIN_CONFIG_BIAS_PULL_UP: + return 1; + case PIN_CONFIG_BIAS_PULL_DOWN: + return 2; + default: + break; + } + + return -EINVAL; +} + +static int rzv2h_hw_to_bias_param(unsigned int bias) +{ + switch (bias) { + case 0: + case 1: + return PIN_CONFIG_BIAS_DISABLE; + case 2: + return PIN_CONFIG_BIAS_PULL_DOWN; + case 3: + return PIN_CONFIG_BIAS_PULL_UP; + default: + break; + } + + return -EINVAL; +} + +static int rzv2h_bias_param_to_hw(enum pin_config_param param) +{ + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + return 0; + case PIN_CONFIG_BIAS_PULL_DOWN: + return 2; + case PIN_CONFIG_BIAS_PULL_UP: + return 3; + default: + break; + } + + return -EINVAL; +} + +static u8 rzv2h_pin_to_oen_bit(struct rzg2l_pinctrl *pctrl, unsigned int _pin) +{ + static const char * const pin_names[] = { "ET0_TXC_TXCLK", "ET1_TXC_TXCLK", + "XSPI0_RESET0N", "XSPI0_CS0N", + "XSPI0_CKN", "XSPI0_CKP" }; + const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[_pin]; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(pin_names); i++) { + if (!strcmp(pin_desc->name, pin_names[i])) + return i; + } + + /* Should not happen. */ + return 0; +} + +static u32 rzv2h_oen_read(struct rzg2l_pinctrl *pctrl, unsigned int _pin) +{ + u8 bit; + + bit = rzv2h_pin_to_oen_bit(pctrl, _pin); + + return !(readb(pctrl->base + PFC_OEN) & BIT(bit)); +} + +static int rzv2h_oen_write(struct rzg2l_pinctrl *pctrl, unsigned int _pin, u8 oen) +{ + const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; + const struct rzg2l_register_offsets *regs = &hwcfg->regs; + unsigned long flags; + u8 val, bit; + u8 pwpr; + + bit = rzv2h_pin_to_oen_bit(pctrl, _pin); + spin_lock_irqsave(&pctrl->lock, flags); + val = readb(pctrl->base + PFC_OEN); + if (oen) + val &= ~BIT(bit); + else + val |= BIT(bit); + + pwpr = readb(pctrl->base + regs->pwpr); + writeb(pwpr | PWPR_REGWE_B, pctrl->base + regs->pwpr); + writeb(val, pctrl->base + PFC_OEN); + writeb(pwpr & ~PWPR_REGWE_B, pctrl->base + regs->pwpr); + spin_unlock_irqrestore(&pctrl->lock, flags); + + return 0; +} + static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, unsigned int _pin, unsigned long *config) { struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); - enum pin_config_param param = pinconf_to_config_param(*config); const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin]; - unsigned int *pin_data = pin->drv_data; + u32 param = pinconf_to_config_param(*config); + u64 *pin_data = pin->drv_data; unsigned int arg = 0; - u32 off, cfg; + u32 off; + u32 cfg; int ret; u8 bit; @@ -866,9 +1279,9 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, return -EINVAL; off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); - cfg = RZG2L_PIN_CFG_TO_CAPS(*pin_data); + cfg = FIELD_GET(PIN_CFG_MASK, *pin_data); if (*pin_data & RZG2L_SINGLE_PIN) { - bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data); + bit = FIELD_GET(RZG2L_SINGLE_PIN_BITS_MASK, *pin_data); } else { bit = RZG2L_PIN_ID_TO_PIN(_pin); @@ -886,7 +1299,11 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_OUTPUT_ENABLE: - arg = rzg2l_read_oen(pctrl, cfg, _pin, bit); + if (!(cfg & PIN_CFG_OEN)) + return -EINVAL; + if (!pctrl->data->oen_read) + return -EOPNOTSUPP; + arg = pctrl->data->oen_read(pctrl, _pin); if (!arg) return -EINVAL; break; @@ -898,6 +1315,30 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, arg = ret; break; + case PIN_CONFIG_SLEW_RATE: + if (!(cfg & PIN_CFG_SR)) + return -EINVAL; + + arg = rzg2l_read_pin_config(pctrl, SR(off), bit, SR_MASK); + break; + + case PIN_CONFIG_BIAS_DISABLE: + case PIN_CONFIG_BIAS_PULL_UP: + case PIN_CONFIG_BIAS_PULL_DOWN: + if (!(cfg & PIN_CFG_PUPD)) + return -EINVAL; + + arg = rzg2l_read_pin_config(pctrl, PUPD(off), bit, PUPD_MASK); + ret = pctrl->data->hw_to_bias_param(arg); + if (ret < 0) + return ret; + + if (ret != param) + return -EINVAL; + /* for PIN_CONFIG_BIAS_PULL_UP/DOWN when enabled we just return 1 */ + arg = 1; + break; + case PIN_CONFIG_DRIVE_STRENGTH: { unsigned int index; @@ -941,6 +1382,34 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, break; } + case PIN_CONFIG_DRIVE_OPEN_DRAIN: + case PIN_CONFIG_DRIVE_PUSH_PULL: + if (!(cfg & PIN_CFG_NOD)) + return -EINVAL; + + arg = rzg2l_read_pin_config(pctrl, NOD(off), bit, NOD_MASK); + if (!arg && param != PIN_CONFIG_DRIVE_PUSH_PULL) + return -EINVAL; + if (arg && param != PIN_CONFIG_DRIVE_OPEN_DRAIN) + return -EINVAL; + break; + + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + if (!(cfg & PIN_CFG_SMT)) + return -EINVAL; + + arg = rzg2l_read_pin_config(pctrl, SMT(off), bit, SMT_MASK); + if (!arg) + return -EINVAL; + break; + + case RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE: + if (!(cfg & PIN_CFG_IOLH_RZV2H)) + return -EINVAL; + + arg = rzg2l_read_pin_config(pctrl, IOLH(off), bit, IOLH_MASK); + break; + default: return -ENOTSUPP; } @@ -959,10 +1428,10 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, const struct pinctrl_pin_desc *pin = &pctrl->desc.pins[_pin]; const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; struct rzg2l_pinctrl_pin_settings settings = pctrl->settings[_pin]; - unsigned int *pin_data = pin->drv_data; - enum pin_config_param param; + u64 *pin_data = pin->drv_data; unsigned int i, arg, index; - u32 cfg, off; + u32 off, param; + u32 cfg; int ret; u8 bit; @@ -970,9 +1439,9 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, return -EINVAL; off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); - cfg = RZG2L_PIN_CFG_TO_CAPS(*pin_data); + cfg = FIELD_GET(PIN_CFG_MASK, *pin_data); if (*pin_data & RZG2L_SINGLE_PIN) { - bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data); + bit = FIELD_GET(RZG2L_SINGLE_PIN_BITS_MASK, *pin_data); } else { bit = RZG2L_PIN_ID_TO_PIN(_pin); @@ -982,9 +1451,9 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(_configs[i]); + arg = pinconf_to_config_argument(_configs[i]); switch (param) { case PIN_CONFIG_INPUT_ENABLE: - arg = pinconf_to_config_argument(_configs[i]); if (!(cfg & PIN_CFG_IEN)) return -EINVAL; @@ -993,19 +1462,40 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_OUTPUT_ENABLE: - arg = pinconf_to_config_argument(_configs[i]); - ret = rzg2l_write_oen(pctrl, cfg, _pin, bit, !!arg); + if (!(cfg & PIN_CFG_OEN)) + return -EINVAL; + if (!pctrl->data->oen_write) + return -EOPNOTSUPP; + ret = pctrl->data->oen_write(pctrl, _pin, !!arg); if (ret) return ret; break; case PIN_CONFIG_POWER_SOURCE: - settings.power_source = pinconf_to_config_argument(_configs[i]); + settings.power_source = arg; break; - case PIN_CONFIG_DRIVE_STRENGTH: - arg = pinconf_to_config_argument(_configs[i]); + case PIN_CONFIG_SLEW_RATE: + if (!(cfg & PIN_CFG_SR) || arg > 1) + return -EINVAL; + + rzg2l_rmw_pin_config(pctrl, SR(off), bit, SR_MASK, arg); + break; + + case PIN_CONFIG_BIAS_DISABLE: + case PIN_CONFIG_BIAS_PULL_UP: + case PIN_CONFIG_BIAS_PULL_DOWN: + if (!(cfg & PIN_CFG_PUPD)) + return -EINVAL; + ret = pctrl->data->bias_param_to_hw(param); + if (ret < 0) + return ret; + + rzg2l_rmw_pin_config(pctrl, PUPD(off), bit, PUPD_MASK, ret); + break; + + case PIN_CONFIG_DRIVE_STRENGTH: if (!(cfg & PIN_CFG_IOLH_A) || hwcfg->drive_strength_ua) return -EINVAL; @@ -1025,12 +1515,10 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, !hwcfg->drive_strength_ua) return -EINVAL; - settings.drive_strength_ua = pinconf_to_config_argument(_configs[i]); + settings.drive_strength_ua = arg; break; case PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS: - arg = pinconf_to_config_argument(_configs[i]); - if (!(cfg & PIN_CFG_IOLH_B) || !hwcfg->iolh_groupb_oi[0]) return -EINVAL; @@ -1044,6 +1532,31 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, index); break; + case PIN_CONFIG_DRIVE_OPEN_DRAIN: + case PIN_CONFIG_DRIVE_PUSH_PULL: + if (!(cfg & PIN_CFG_NOD)) + return -EINVAL; + + rzg2l_rmw_pin_config(pctrl, NOD(off), bit, NOD_MASK, + param == PIN_CONFIG_DRIVE_OPEN_DRAIN ? 1 : 0); + break; + + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + if (!(cfg & PIN_CFG_SMT)) + return -EINVAL; + + rzg2l_rmw_pin_config(pctrl, SMT(off), bit, SMT_MASK, arg); + break; + + case RENESAS_RZV2H_PIN_CONFIG_OUTPUT_IMPEDANCE: + if (!(cfg & PIN_CFG_IOLH_RZV2H)) + return -EINVAL; + + if (arg > 3) + return -EINVAL; + rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, arg); + break; + default: return -EOPNOTSUPP; } @@ -1164,7 +1677,7 @@ static int rzg2l_gpio_request(struct gpio_chip *chip, unsigned int offset) { struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset]; - u32 *pin_data = pin_desc->drv_data; + u64 *pin_data = pin_desc->drv_data; u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); u32 port = RZG2L_PIN_ID_TO_PORT(offset); u8 bit = RZG2L_PIN_ID_TO_PIN(offset); @@ -1185,7 +1698,7 @@ static int rzg2l_gpio_request(struct gpio_chip *chip, unsigned int offset) /* Select GPIO mode in PMC Register */ reg8 = readb(pctrl->base + PMC(off)); reg8 &= ~BIT(bit); - writeb(reg8, pctrl->base + PMC(off)); + pctrl->data->pmc_writeb(pctrl, reg8, PMC(off)); spin_unlock_irqrestore(&pctrl->lock, flags); @@ -1196,7 +1709,7 @@ static void rzg2l_gpio_set_direction(struct rzg2l_pinctrl *pctrl, u32 offset, bool output) { const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset]; - unsigned int *pin_data = pin_desc->drv_data; + u64 *pin_data = pin_desc->drv_data; u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); u8 bit = RZG2L_PIN_ID_TO_PIN(offset); unsigned long flags; @@ -1217,7 +1730,7 @@ static int rzg2l_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) { struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset]; - unsigned int *pin_data = pin_desc->drv_data; + u64 *pin_data = pin_desc->drv_data; u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); u8 bit = RZG2L_PIN_ID_TO_PIN(offset); @@ -1248,7 +1761,7 @@ static void rzg2l_gpio_set(struct gpio_chip *chip, unsigned int offset, { struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset]; - unsigned int *pin_data = pin_desc->drv_data; + u64 *pin_data = pin_desc->drv_data; u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); u8 bit = RZG2L_PIN_ID_TO_PIN(offset); unsigned long flags; @@ -1281,7 +1794,7 @@ static int rzg2l_gpio_get(struct gpio_chip *chip, unsigned int offset) { struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset]; - unsigned int *pin_data = pin_desc->drv_data; + u64 *pin_data = pin_desc->drv_data; u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); u8 bit = RZG2L_PIN_ID_TO_PIN(offset); u16 reg16; @@ -1366,7 +1879,7 @@ static const char * const rzg2l_gpio_names[] = { "P48_0", "P48_1", "P48_2", "P48_3", "P48_4", "P48_5", "P48_6", "P48_7", }; -static const u32 r9a07g044_gpio_configs[] = { +static const u64 r9a07g044_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(2, 0x10, RZG2L_MPXED_PIN_FUNCS), RZG2L_GPIO_PORT_PACK(2, 0x11, RZG2L_MPXED_PIN_FUNCS), RZG2L_GPIO_PORT_PACK(2, 0x12, RZG2L_MPXED_PIN_FUNCS), @@ -1387,7 +1900,7 @@ static const u32 r9a07g044_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(3, 0x21, RZG2L_MPXED_PIN_FUNCS), RZG2L_GPIO_PORT_PACK(2, 0x22, RZG2L_MPXED_PIN_FUNCS), RZG2L_GPIO_PORT_PACK(2, 0x23, RZG2L_MPXED_PIN_FUNCS), - RZG2L_GPIO_PORT_PACK(3, 0x24, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), + RZG2L_GPIO_PORT_PACK(3, 0x24, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0) | PIN_CFG_OEN), RZG2L_GPIO_PORT_PACK(2, 0x25, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), RZG2L_GPIO_PORT_PACK(2, 0x26, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), RZG2L_GPIO_PORT_PACK(2, 0x27, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), @@ -1396,7 +1909,7 @@ static const u32 r9a07g044_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(2, 0x2a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), RZG2L_GPIO_PORT_PACK(2, 0x2b, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), RZG2L_GPIO_PORT_PACK(2, 0x2c, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), - RZG2L_GPIO_PORT_PACK(2, 0x2d, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)), + RZG2L_GPIO_PORT_PACK(2, 0x2d, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1) | PIN_CFG_OEN), RZG2L_GPIO_PORT_PACK(2, 0x2e, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)), RZG2L_GPIO_PORT_PACK(2, 0x2f, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)), RZG2L_GPIO_PORT_PACK(2, 0x30, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)), @@ -1418,15 +1931,15 @@ static const u32 r9a07g044_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(5, 0x40, RZG2L_MPXED_PIN_FUNCS), }; -static const u32 r9a07g043_gpio_configs[] = { +static const u64 r9a07g043_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(4, 0x10, RZG2L_MPXED_PIN_FUNCS), - RZG2L_GPIO_PORT_PACK(5, 0x11, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), + RZG2L_GPIO_PORT_PACK(5, 0x11, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0) | PIN_CFG_OEN), RZG2L_GPIO_PORT_PACK(4, 0x12, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), RZG2L_GPIO_PORT_PACK(4, 0x13, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), RZG2L_GPIO_PORT_PACK(6, 0x14, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)), RZG2L_GPIO_PORT_PACK(5, 0x15, RZG2L_MPXED_PIN_FUNCS), RZG2L_GPIO_PORT_PACK(5, 0x16, RZG2L_MPXED_PIN_FUNCS), - RZG2L_GPIO_PORT_PACK(5, 0x17, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)), + RZG2L_GPIO_PORT_PACK(5, 0x17, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1) | PIN_CFG_OEN), RZG2L_GPIO_PORT_PACK(5, 0x18, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)), RZG2L_GPIO_PORT_PACK(4, 0x19, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)), RZG2L_GPIO_PORT_PACK(5, 0x1a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)), @@ -1438,9 +1951,26 @@ static const u32 r9a07g043_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(2, 0x20, RZG2L_MPXED_PIN_FUNCS), RZG2L_GPIO_PORT_PACK(4, 0x21, RZG2L_MPXED_PIN_FUNCS), RZG2L_GPIO_PORT_PACK(6, 0x22, RZG2L_MPXED_PIN_FUNCS), +#ifdef CONFIG_RISCV + /* Below additional port pins (P19 - P28) are exclusively available on RZ/Five SoC only */ + RZG2L_GPIO_PORT_SPARSE_PACK(0x2, 0x06, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_NF | PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), /* P19 */ + RZG2L_GPIO_PORT_PACK_VARIABLE(8, 0x07), /* P20 */ + RZG2L_GPIO_PORT_SPARSE_PACK(0x2, 0x08, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), /* P21 */ + RZG2L_GPIO_PORT_PACK(4, 0x09, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_PUPD | + PIN_CFG_IEN | PIN_CFG_NOGPIO_INT), /* P22 */ + RZG2L_GPIO_PORT_SPARSE_PACK_VARIABLE(0x3e, 0x0a), /* P23 */ + RZG2L_GPIO_PORT_PACK_VARIABLE(6, 0x0b), /* P24 */ + RZG2L_GPIO_PORT_SPARSE_PACK(0x2, 0x0c, PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_NF | + PIN_CFG_NOGPIO_INT), /* P25 */ + 0x0, /* P26 */ + 0x0, /* P27 */ + RZG2L_GPIO_PORT_PACK(6, 0x0f, RZG2L_MPXED_PIN_FUNCS | PIN_CFG_NOGPIO_INT), /* P28 */ +#endif }; -static const u32 r9a08g045_gpio_configs[] = { +static const u64 r9a08g045_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(4, 0x20, RZG3S_MPXED_PIN_FUNCS(A)), /* P0 */ RZG2L_GPIO_PORT_PACK(5, 0x30, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C | PIN_CFG_IO_VMC_ETH0)) | @@ -1472,13 +2002,112 @@ static const u32 r9a08g045_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(6, 0x2a, RZG3S_MPXED_PIN_FUNCS(A)), /* P18 */ }; +static const char * const rzg3e_gpio_names[] = { + "P00", "P01", "P02", "P03", "P04", "P05", "P06", "P07", + "P10", "P11", "P12", "P13", "P14", "P15", "P16", "P17", + "P20", "P21", "P22", "P23", "P24", "P25", "P26", "P27", + "P30", "P31", "P32", "P33", "P34", "P35", "P36", "P37", + "P40", "P41", "P42", "P43", "P44", "P45", "P46", "P47", + "P50", "P51", "P52", "P53", "P54", "P55", "P56", "P57", + "P60", "P61", "P62", "P63", "P64", "P65", "P66", "P67", + "P70", "P71", "P72", "P73", "P74", "P75", "P76", "P77", + "P80", "P81", "P82", "P83", "P84", "P85", "P86", "P87", + "", "", "", "", "", "", "", "", + "PA0", "PA1", "PA2", "PA3", "PA4", "PA5", "PA6", "PA7", + "PB0", "PB1", "PB2", "PB3", "PB4", "PB5", "PB6", "PB7", + "PC0", "PC1", "PC2", "PC3", "PC4", "PC5", "PC6", "PC7", + "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", + "PE0", "PE1", "PE2", "PE3", "PE4", "PE5", "PE6", "PE7", + "PF0", "PF1", "PF2", "PF3", "PF4", "PF5", "PF6", "PF7", + "PG0", "PG1", "PG2", "PG3", "PG4", "PG5", "PG6", "PG7", + "PH0", "PH1", "PH2", "PH3", "PH4", "PH5", "PH6", "PH7", + "", "", "", "", "", "", "", "", + "PJ0", "PJ1", "PJ2", "PJ3", "PJ4", "PJ5", "PJ6", "PJ7", + "PK0", "PK1", "PK2", "PK3", "PK4", "PK5", "PK6", "PK7", + "PL0", "PL1", "PL2", "PL3", "PL4", "PL5", "PL6", "PL7", + "PM0", "PM1", "PM2", "PM3", "PM4", "PM5", "PM6", "PM7", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "PS0", "PS1", "PS2", "PS3", "PS4", "PS5", "PS6", "PS7", +}; + +static const u64 r9a09g047_gpio_configs[] = { + RZG2L_GPIO_PORT_PACK(8, 0x20, RZV2H_MPXED_PIN_FUNCS), /* P0 */ + RZG2L_GPIO_PORT_PACK(8, 0x21, RZV2H_MPXED_PIN_FUNCS | + PIN_CFG_ELC), /* P1 */ + RZG2L_GPIO_PORT_PACK(2, 0x22, RZG2L_MPXED_COMMON_PIN_FUNCS(RZV2H) | + PIN_CFG_NOD), /* P2 */ + RZG2L_GPIO_PORT_PACK(8, 0x23, RZV2H_MPXED_PIN_FUNCS), /* P3 */ + RZG2L_GPIO_PORT_PACK(6, 0x24, RZV2H_MPXED_PIN_FUNCS), /* P4 */ + RZG2L_GPIO_PORT_PACK(7, 0x25, RZV2H_MPXED_PIN_FUNCS), /* P5 */ + RZG2L_GPIO_PORT_PACK(7, 0x26, RZV2H_MPXED_PIN_FUNCS), /* P6 */ + RZG2L_GPIO_PORT_PACK(8, 0x27, RZV2H_MPXED_PIN_FUNCS | + PIN_CFG_ELC), /* P7 */ + RZG2L_GPIO_PORT_PACK(6, 0x28, RZV2H_MPXED_PIN_FUNCS), /* P8 */ + 0x0, + RZG2L_GPIO_PORT_PACK_VARIABLE(8, 0x2a), /* PA */ + RZG2L_GPIO_PORT_PACK(8, 0x2b, RZV2H_MPXED_PIN_FUNCS), /* PB */ + RZG2L_GPIO_PORT_PACK(3, 0x2c, RZV2H_MPXED_PIN_FUNCS), /* PC */ + RZG2L_GPIO_PORT_PACK_VARIABLE(8, 0x2d), /* PD */ + RZG2L_GPIO_PORT_PACK(8, 0x2e, RZV2H_MPXED_PIN_FUNCS), /* PE */ + RZG2L_GPIO_PORT_PACK(3, 0x2f, RZV2H_MPXED_PIN_FUNCS), /* PF */ + RZG2L_GPIO_PORT_PACK_VARIABLE(8, 0x30), /* PG */ + RZG2L_GPIO_PORT_PACK_VARIABLE(6, 0x31), /* PH */ + 0x0, + RZG2L_GPIO_PORT_PACK_VARIABLE(5, 0x33), /* PJ */ + RZG2L_GPIO_PORT_PACK(4, 0x34, RZV2H_MPXED_PIN_FUNCS), /* PK */ + RZG2L_GPIO_PORT_PACK(8, 0x35, RZV2H_MPXED_PIN_FUNCS), /* PL */ + RZG2L_GPIO_PORT_PACK(8, 0x36, RZV2H_MPXED_PIN_FUNCS), /* PM */ + 0x0, + 0x0, + 0x0, + 0x0, + 0x0, + RZG2L_GPIO_PORT_PACK(4, 0x3c, RZV2H_MPXED_PIN_FUNCS), /* PS */ +}; + +static const char * const rzv2h_gpio_names[] = { + "P00", "P01", "P02", "P03", "P04", "P05", "P06", "P07", + "P10", "P11", "P12", "P13", "P14", "P15", "P16", "P17", + "P20", "P21", "P22", "P23", "P24", "P25", "P26", "P27", + "P30", "P31", "P32", "P33", "P34", "P35", "P36", "P37", + "P40", "P41", "P42", "P43", "P44", "P45", "P46", "P47", + "P50", "P51", "P52", "P53", "P54", "P55", "P56", "P57", + "P60", "P61", "P62", "P63", "P64", "P65", "P66", "P67", + "P70", "P71", "P72", "P73", "P74", "P75", "P76", "P77", + "P80", "P81", "P82", "P83", "P84", "P85", "P86", "P87", + "P90", "P91", "P92", "P93", "P94", "P95", "P96", "P97", + "PA0", "PA1", "PA2", "PA3", "PA4", "PA5", "PA6", "PA7", + "PB0", "PB1", "PB2", "PB3", "PB4", "PB5", "PB6", "PB7", +}; + +static const u64 r9a09g057_gpio_configs[] = { + RZG2L_GPIO_PORT_PACK(8, 0x20, RZV2H_MPXED_PIN_FUNCS), /* P0 */ + RZG2L_GPIO_PORT_PACK(6, 0x21, RZV2H_MPXED_PIN_FUNCS), /* P1 */ + RZG2L_GPIO_PORT_PACK(2, 0x22, RZG2L_MPXED_COMMON_PIN_FUNCS(RZV2H) | + PIN_CFG_NOD), /* P2 */ + RZG2L_GPIO_PORT_PACK(8, 0x23, RZV2H_MPXED_PIN_FUNCS), /* P3 */ + RZG2L_GPIO_PORT_PACK(8, 0x24, RZV2H_MPXED_PIN_FUNCS), /* P4 */ + RZG2L_GPIO_PORT_PACK(8, 0x25, RZV2H_MPXED_PIN_FUNCS), /* P5 */ + RZG2L_GPIO_PORT_PACK(8, 0x26, RZV2H_MPXED_PIN_FUNCS | + PIN_CFG_ELC), /* P6 */ + RZG2L_GPIO_PORT_PACK(8, 0x27, RZV2H_MPXED_PIN_FUNCS), /* P7 */ + RZG2L_GPIO_PORT_PACK(8, 0x28, RZV2H_MPXED_PIN_FUNCS | + PIN_CFG_ELC), /* P8 */ + RZG2L_GPIO_PORT_PACK(8, 0x29, RZV2H_MPXED_PIN_FUNCS), /* P9 */ + RZG2L_GPIO_PORT_PACK(8, 0x2a, RZV2H_MPXED_PIN_FUNCS), /* PA */ + RZG2L_GPIO_PORT_PACK_VARIABLE(6, 0x2b), /* PB */ +}; + static const struct { struct rzg2l_dedicated_configs common[35]; struct rzg2l_dedicated_configs rzg2l_pins[7]; } rzg2l_dedicated_pins = { .common = { - { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0, - (PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL)) }, + { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0, PIN_CFG_NF) }, { "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x2, 0, (PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) }, { "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 0, @@ -1559,11 +2188,12 @@ static const struct { }; static const struct rzg2l_dedicated_configs rzg3s_dedicated_pins[] = { - { "NMI", RZG2L_SINGLE_PIN_PACK(0x0, 0, (PIN_CFG_FILONOFF | PIN_CFG_FILNUM | - PIN_CFG_FILCLKSEL)) }, + { "NMI", RZG2L_SINGLE_PIN_PACK(0x0, 0, PIN_CFG_NF) }, { "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x1, 0, (PIN_CFG_IOLH_A | PIN_CFG_IEN | PIN_CFG_SOFT_PS)) }, { "TDO", RZG2L_SINGLE_PIN_PACK(0x1, 1, (PIN_CFG_IOLH_A | PIN_CFG_SOFT_PS)) }, + { "AUDIO_CLK1", RZG2L_SINGLE_PIN_PACK(0x2, 0, PIN_CFG_IEN) }, + { "AUDIO_CLK2", RZG2L_SINGLE_PIN_PACK(0x2, 1, PIN_CFG_IEN) }, { "WDTOVF_PERROUT#", RZG2L_SINGLE_PIN_PACK(0x6, 0, PIN_CFG_IOLH_A | PIN_CFG_SOFT_PS) }, { "SD0_CLK", RZG2L_SINGLE_PIN_PACK(0x10, 0, (PIN_CFG_IOLH_B | PIN_CFG_IO_VMC_SD0)) }, { "SD0_CMD", RZG2L_SINGLE_PIN_PACK(0x10, 1, (PIN_CFG_IOLH_B | PIN_CFG_IEN | @@ -1598,40 +2228,210 @@ static const struct rzg2l_dedicated_configs rzg3s_dedicated_pins[] = { PIN_CFG_IO_VMC_SD1)) }, }; -static int rzg2l_gpio_get_gpioint(unsigned int virq, const struct rzg2l_pinctrl_data *data) +static struct rzg2l_dedicated_configs rzv2h_dedicated_pins[] = { + { "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0, PIN_CFG_NF) }, + { "TMS_SWDIO", RZG2L_SINGLE_PIN_PACK(0x3, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN)) }, + { "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "WDTUDFCA", RZG2L_SINGLE_PIN_PACK(0x5, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_NOD)) }, + { "WDTUDFCM", RZG2L_SINGLE_PIN_PACK(0x5, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_NOD)) }, + { "SCIF_RXD", RZG2L_SINGLE_PIN_PACK(0x6, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "SCIF_TXD", RZG2L_SINGLE_PIN_PACK(0x6, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_CKP", RZG2L_SINGLE_PIN_PACK(0x7, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "XSPI0_CKN", RZG2L_SINGLE_PIN_PACK(0x7, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "XSPI0_CS0N", RZG2L_SINGLE_PIN_PACK(0x7, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "XSPI0_DS", RZG2L_SINGLE_PIN_PACK(0x7, 3, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_RESET0N", RZG2L_SINGLE_PIN_PACK(0x7, 4, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "XSPI0_RSTO0N", RZG2L_SINGLE_PIN_PACK(0x7, 5, (PIN_CFG_PUPD)) }, + { "XSPI0_INT0N", RZG2L_SINGLE_PIN_PACK(0x7, 6, (PIN_CFG_PUPD)) }, + { "XSPI0_ECS0N", RZG2L_SINGLE_PIN_PACK(0x7, 7, (PIN_CFG_PUPD)) }, + { "XSPI0_IO0", RZG2L_SINGLE_PIN_PACK(0x8, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO1", RZG2L_SINGLE_PIN_PACK(0x8, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO2", RZG2L_SINGLE_PIN_PACK(0x8, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO3", RZG2L_SINGLE_PIN_PACK(0x8, 3, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO4", RZG2L_SINGLE_PIN_PACK(0x8, 4, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO5", RZG2L_SINGLE_PIN_PACK(0x8, 5, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO6", RZG2L_SINGLE_PIN_PACK(0x8, 6, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "XSPI0_IO7", RZG2L_SINGLE_PIN_PACK(0x8, 7, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "SD0CLK", RZG2L_SINGLE_PIN_PACK(0x9, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "SD0CMD", RZG2L_SINGLE_PIN_PACK(0x9, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0RSTN", RZG2L_SINGLE_PIN_PACK(0x9, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "SD0DAT0", RZG2L_SINGLE_PIN_PACK(0xa, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT1", RZG2L_SINGLE_PIN_PACK(0xa, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT2", RZG2L_SINGLE_PIN_PACK(0xa, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT3", RZG2L_SINGLE_PIN_PACK(0xa, 3, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT4", RZG2L_SINGLE_PIN_PACK(0xa, 4, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT5", RZG2L_SINGLE_PIN_PACK(0xa, 5, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT6", RZG2L_SINGLE_PIN_PACK(0xa, 6, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT7", RZG2L_SINGLE_PIN_PACK(0xa, 7, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1CLK", RZG2L_SINGLE_PIN_PACK(0xb, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "SD1CMD", RZG2L_SINGLE_PIN_PACK(0xb, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1DAT0", RZG2L_SINGLE_PIN_PACK(0xc, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1DAT1", RZG2L_SINGLE_PIN_PACK(0xc, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1DAT2", RZG2L_SINGLE_PIN_PACK(0xc, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD1DAT3", RZG2L_SINGLE_PIN_PACK(0xc, 3, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "PCIE0_RSTOUTB", RZG2L_SINGLE_PIN_PACK(0xe, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "PCIE1_RSTOUTB", RZG2L_SINGLE_PIN_PACK(0xe, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "ET0_MDIO", RZG2L_SINGLE_PIN_PACK(0xf, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "ET0_MDC", RZG2L_SINGLE_PIN_PACK(0xf, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_RXCTL_RXDV", RZG2L_SINGLE_PIN_PACK(0x10, 0, (PIN_CFG_PUPD)) }, + { "ET0_TXCTL_TXEN", RZG2L_SINGLE_PIN_PACK(0x10, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_TXER", RZG2L_SINGLE_PIN_PACK(0x10, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_RXER", RZG2L_SINGLE_PIN_PACK(0x10, 3, (PIN_CFG_PUPD)) }, + { "ET0_RXC_RXCLK", RZG2L_SINGLE_PIN_PACK(0x10, 4, (PIN_CFG_PUPD)) }, + { "ET0_TXC_TXCLK", RZG2L_SINGLE_PIN_PACK(0x10, 5, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "ET0_CRS", RZG2L_SINGLE_PIN_PACK(0x10, 6, (PIN_CFG_PUPD)) }, + { "ET0_COL", RZG2L_SINGLE_PIN_PACK(0x10, 7, (PIN_CFG_PUPD)) }, + { "ET0_TXD0", RZG2L_SINGLE_PIN_PACK(0x11, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_TXD1", RZG2L_SINGLE_PIN_PACK(0x11, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_TXD2", RZG2L_SINGLE_PIN_PACK(0x11, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_TXD3", RZG2L_SINGLE_PIN_PACK(0x11, 3, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET0_RXD0", RZG2L_SINGLE_PIN_PACK(0x11, 4, (PIN_CFG_PUPD)) }, + { "ET0_RXD1", RZG2L_SINGLE_PIN_PACK(0x11, 5, (PIN_CFG_PUPD)) }, + { "ET0_RXD2", RZG2L_SINGLE_PIN_PACK(0x11, 6, (PIN_CFG_PUPD)) }, + { "ET0_RXD3", RZG2L_SINGLE_PIN_PACK(0x11, 7, (PIN_CFG_PUPD)) }, + { "ET1_MDIO", RZG2L_SINGLE_PIN_PACK(0x12, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "ET1_MDC", RZG2L_SINGLE_PIN_PACK(0x12, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_RXCTL_RXDV", RZG2L_SINGLE_PIN_PACK(0x13, 0, (PIN_CFG_PUPD)) }, + { "ET1_TXCTL_TXEN", RZG2L_SINGLE_PIN_PACK(0x13, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_TXER", RZG2L_SINGLE_PIN_PACK(0x13, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_RXER", RZG2L_SINGLE_PIN_PACK(0x13, 3, (PIN_CFG_PUPD)) }, + { "ET1_RXC_RXCLK", RZG2L_SINGLE_PIN_PACK(0x13, 4, (PIN_CFG_PUPD)) }, + { "ET1_TXC_TXCLK", RZG2L_SINGLE_PIN_PACK(0x13, 5, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD | PIN_CFG_OEN)) }, + { "ET1_CRS", RZG2L_SINGLE_PIN_PACK(0x13, 6, (PIN_CFG_PUPD)) }, + { "ET1_COL", RZG2L_SINGLE_PIN_PACK(0x13, 7, (PIN_CFG_PUPD)) }, + { "ET1_TXD0", RZG2L_SINGLE_PIN_PACK(0x14, 0, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_TXD1", RZG2L_SINGLE_PIN_PACK(0x14, 1, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_TXD2", RZG2L_SINGLE_PIN_PACK(0x14, 2, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_TXD3", RZG2L_SINGLE_PIN_PACK(0x14, 3, (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | + PIN_CFG_PUPD)) }, + { "ET1_RXD0", RZG2L_SINGLE_PIN_PACK(0x14, 4, (PIN_CFG_PUPD)) }, + { "ET1_RXD1", RZG2L_SINGLE_PIN_PACK(0x14, 5, (PIN_CFG_PUPD)) }, + { "ET1_RXD2", RZG2L_SINGLE_PIN_PACK(0x14, 6, (PIN_CFG_PUPD)) }, + { "ET1_RXD3", RZG2L_SINGLE_PIN_PACK(0x14, 7, (PIN_CFG_PUPD)) }, +}; + +static struct rzg2l_dedicated_configs rzg3e_dedicated_pins[] = { + { "WDTUDFCA", RZG2L_SINGLE_PIN_PACK(0x5, 0, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_PUPD | PIN_CFG_NOD)) }, + { "WDTUDFCM", RZG2L_SINGLE_PIN_PACK(0x5, 1, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_PUPD | PIN_CFG_NOD)) }, + { "SCIF_RXD", RZG2L_SINGLE_PIN_PACK(0x6, 0, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_PUPD)) }, + { "SCIF_TXD", RZG2L_SINGLE_PIN_PACK(0x6, 1, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_PUPD)) }, + { "SD0CLK", RZG2L_SINGLE_PIN_PACK(0x9, 0, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "SD0CMD", RZG2L_SINGLE_PIN_PACK(0x9, 1, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0RSTN", RZG2L_SINGLE_PIN_PACK(0x9, 2, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "SD0PWEN", RZG2L_SINGLE_PIN_PACK(0x9, 3, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "SD0IOVS", RZG2L_SINGLE_PIN_PACK(0x9, 4, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR)) }, + { "SD0DAT0", RZG2L_SINGLE_PIN_PACK(0xa, 0, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT1", RZG2L_SINGLE_PIN_PACK(0xa, 1, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT2", RZG2L_SINGLE_PIN_PACK(0xa, 2, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT3", RZG2L_SINGLE_PIN_PACK(0xa, 3, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT4", RZG2L_SINGLE_PIN_PACK(0xa, 4, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT5", RZG2L_SINGLE_PIN_PACK(0xa, 5, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT6", RZG2L_SINGLE_PIN_PACK(0xa, 6, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_PUPD)) }, + { "SD0DAT7", RZG2L_SINGLE_PIN_PACK(0xa, 7, + (PIN_CFG_IOLH_RZV2H | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_PUPD)) }, +}; + +static int rzg2l_gpio_get_gpioint(unsigned int virq, struct rzg2l_pinctrl *pctrl) { + const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[virq]; + const struct rzg2l_pinctrl_data *data = pctrl->data; + u64 *pin_data = pin_desc->drv_data; unsigned int gpioint; unsigned int i; u32 port, bit; + if (*pin_data & PIN_CFG_NOGPIO_INT) + return -EINVAL; + port = virq / 8; bit = virq % 8; if (port >= data->n_ports || - bit >= RZG2L_GPIO_PORT_GET_PINCNT(data->port_pin_configs[port])) + bit >= hweight8(FIELD_GET(PIN_CFG_PIN_MAP_MASK, data->port_pin_configs[port]))) return -EINVAL; gpioint = bit; for (i = 0; i < port; i++) - gpioint += RZG2L_GPIO_PORT_GET_PINCNT(data->port_pin_configs[i]); + gpioint += hweight8(FIELD_GET(PIN_CFG_PIN_MAP_MASK, data->port_pin_configs[i])); return gpioint; } -static void rzg2l_gpio_irq_disable(struct irq_data *d) +static void rzg2l_gpio_irq_endisable(struct rzg2l_pinctrl *pctrl, + unsigned int hwirq, bool enable) { - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip); - unsigned int hwirq = irqd_to_hwirq(d); const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[hwirq]; - unsigned int *pin_data = pin_desc->drv_data; + u64 *pin_data = pin_desc->drv_data; u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); u8 bit = RZG2L_PIN_ID_TO_PIN(hwirq); unsigned long flags; void __iomem *addr; - irq_chip_disable_parent(d); - addr = pctrl->base + ISEL(off); if (bit >= 4) { bit -= 4; @@ -1639,36 +2439,28 @@ static void rzg2l_gpio_irq_disable(struct irq_data *d) } spin_lock_irqsave(&pctrl->lock, flags); - writel(readl(addr) & ~BIT(bit * 8), addr); + if (enable) + writel(readl(addr) | BIT(bit * 8), addr); + else + writel(readl(addr) & ~BIT(bit * 8), addr); spin_unlock_irqrestore(&pctrl->lock, flags); +} +static void rzg2l_gpio_irq_disable(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + unsigned int hwirq = irqd_to_hwirq(d); + + irq_chip_disable_parent(d); gpiochip_disable_irq(gc, hwirq); } static void rzg2l_gpio_irq_enable(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip); unsigned int hwirq = irqd_to_hwirq(d); - const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[hwirq]; - unsigned int *pin_data = pin_desc->drv_data; - u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); - u8 bit = RZG2L_PIN_ID_TO_PIN(hwirq); - unsigned long flags; - void __iomem *addr; gpiochip_enable_irq(gc, hwirq); - - addr = pctrl->base + ISEL(off); - if (bit >= 4) { - bit -= 4; - addr += 4; - } - - spin_lock_irqsave(&pctrl->lock, flags); - writel(readl(addr) | BIT(bit * 8), addr); - spin_unlock_irqrestore(&pctrl->lock, flags); - irq_chip_enable_parent(d); } @@ -1686,7 +2478,29 @@ static void rzg2l_gpio_irq_print_chip(struct irq_data *data, struct seq_file *p) { struct gpio_chip *gc = irq_data_get_irq_chip_data(data); - seq_printf(p, dev_name(gc->parent)); + seq_puts(p, dev_name(gc->parent)); +} + +static int rzg2l_gpio_irq_set_wake(struct irq_data *data, unsigned int on) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(data); + struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip); + int ret; + + /* It should not happen. */ + if (!data->parent_data) + return -EOPNOTSUPP; + + ret = irq_chip_set_wake_parent(data, on); + if (ret) + return ret; + + if (on) + atomic_inc(&pctrl->wakeup_path); + else + atomic_dec(&pctrl->wakeup_path); + + return 0; } static const struct irq_chip rzg2l_gpio_irqchip = { @@ -1699,10 +2513,31 @@ static const struct irq_chip rzg2l_gpio_irqchip = { .irq_eoi = rzg2l_gpio_irqc_eoi, .irq_print_chip = rzg2l_gpio_irq_print_chip, .irq_set_affinity = irq_chip_set_affinity_parent, + .irq_set_wake = rzg2l_gpio_irq_set_wake, .flags = IRQCHIP_IMMUTABLE, GPIOCHIP_IRQ_RESOURCE_HELPERS, }; +static int rzg2l_gpio_interrupt_input_mode(struct gpio_chip *chip, unsigned int offset) +{ + struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); + const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset]; + u64 *pin_data = pin_desc->drv_data; + u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); + u8 bit = RZG2L_PIN_ID_TO_PIN(offset); + u8 reg8; + int ret; + + reg8 = readb(pctrl->base + PMC(off)); + if (reg8 & BIT(bit)) { + ret = rzg2l_gpio_request(chip, offset); + if (ret) + return ret; + } + + return rzg2l_gpio_direction_input(chip, offset); +} + static int rzg2l_gpio_child_to_parent_hwirq(struct gpio_chip *gc, unsigned int child, unsigned int child_type, @@ -1712,38 +2547,77 @@ static int rzg2l_gpio_child_to_parent_hwirq(struct gpio_chip *gc, struct rzg2l_pinctrl *pctrl = gpiochip_get_data(gc); unsigned long flags; int gpioint, irq; + int ret; - gpioint = rzg2l_gpio_get_gpioint(child, pctrl->data); + gpioint = rzg2l_gpio_get_gpioint(child, pctrl); if (gpioint < 0) return gpioint; + ret = rzg2l_gpio_interrupt_input_mode(gc, child); + if (ret) + return ret; + spin_lock_irqsave(&pctrl->bitmap_lock, flags); irq = bitmap_find_free_region(pctrl->tint_slot, RZG2L_TINT_MAX_INTERRUPT, get_order(1)); spin_unlock_irqrestore(&pctrl->bitmap_lock, flags); - if (irq < 0) - return -ENOSPC; + if (irq < 0) { + ret = -ENOSPC; + goto err; + } + + rzg2l_gpio_irq_endisable(pctrl, child, true); pctrl->hwirq[irq] = child; - irq += RZG2L_TINT_IRQ_START_INDEX; + irq += pctrl->data->hwcfg->tint_start_index; /* All these interrupts are level high in the CPU */ *parent_type = IRQ_TYPE_LEVEL_HIGH; *parent = RZG2L_PACK_HWIRQ(gpioint, irq); return 0; + +err: + rzg2l_gpio_free(gc, child); + return ret; } -static int rzg2l_gpio_populate_parent_fwspec(struct gpio_chip *chip, - union gpio_irq_fwspec *gfwspec, - unsigned int parent_hwirq, - unsigned int parent_type) +static void rzg2l_gpio_irq_restore(struct rzg2l_pinctrl *pctrl) { - struct irq_fwspec *fwspec = &gfwspec->fwspec; + struct irq_domain *domain = pctrl->gpio_chip.irq.domain; + + for (unsigned int i = 0; i < RZG2L_TINT_MAX_INTERRUPT; i++) { + struct irq_data *data; + unsigned long flags; + unsigned int virq; + int ret; - fwspec->fwnode = chip->irq.parent_domain->fwnode; - fwspec->param_count = 2; - fwspec->param[0] = parent_hwirq; - fwspec->param[1] = parent_type; + if (!pctrl->hwirq[i]) + continue; - return 0; + virq = irq_find_mapping(domain, pctrl->hwirq[i]); + if (!virq) { + dev_crit(pctrl->dev, "Failed to find IRQ mapping for hwirq %u\n", + pctrl->hwirq[i]); + continue; + } + + data = irq_domain_get_irq_data(domain, virq); + if (!data) { + dev_crit(pctrl->dev, "Failed to get IRQ data for virq=%u\n", virq); + continue; + } + + /* + * This has to be atomically executed to protect against a concurrent + * interrupt. + */ + spin_lock_irqsave(&pctrl->lock, flags); + ret = rzg2l_gpio_irq_set_type(data, irqd_get_trigger_type(data)); + if (!ret && !irqd_irq_disabled(data)) + rzg2l_gpio_irq_enable(data); + spin_unlock_irqrestore(&pctrl->lock, flags); + + if (ret) + dev_crit(pctrl->dev, "Failed to set IRQ type for virq=%u\n", virq); + } } static void rzg2l_gpio_irq_domain_free(struct irq_domain *domain, unsigned int virq, @@ -1761,6 +2635,8 @@ static void rzg2l_gpio_irq_domain_free(struct irq_domain *domain, unsigned int v for (i = 0; i < RZG2L_TINT_MAX_INTERRUPT; i++) { if (pctrl->hwirq[i] == hwirq) { + rzg2l_gpio_irq_endisable(pctrl, hwirq, false); + rzg2l_gpio_free(gc, hwirq); spin_lock_irqsave(&pctrl->bitmap_lock, flags); bitmap_release_region(pctrl->tint_slot, i, get_order(1)); spin_unlock_irqrestore(&pctrl->bitmap_lock, flags); @@ -1788,11 +2664,74 @@ static void rzg2l_init_irq_valid_mask(struct gpio_chip *gc, bit = offset % 8; if (port >= pctrl->data->n_ports || - bit >= RZG2L_GPIO_PORT_GET_PINCNT(pctrl->data->port_pin_configs[port])) + bit >= hweight8(FIELD_GET(PIN_CFG_PIN_MAP_MASK, + pctrl->data->port_pin_configs[port]))) clear_bit(offset, valid_mask); } } +static int rzg2l_pinctrl_reg_cache_alloc(struct rzg2l_pinctrl *pctrl) +{ + u32 nports = pctrl->data->n_port_pins / RZG2L_PINS_PER_PORT; + struct rzg2l_pinctrl_reg_cache *cache, *dedicated_cache; + + cache = devm_kzalloc(pctrl->dev, sizeof(*cache), GFP_KERNEL); + if (!cache) + return -ENOMEM; + + dedicated_cache = devm_kzalloc(pctrl->dev, sizeof(*dedicated_cache), GFP_KERNEL); + if (!dedicated_cache) + return -ENOMEM; + + cache->p = devm_kcalloc(pctrl->dev, nports, sizeof(*cache->p), GFP_KERNEL); + if (!cache->p) + return -ENOMEM; + + cache->pm = devm_kcalloc(pctrl->dev, nports, sizeof(*cache->pm), GFP_KERNEL); + if (!cache->pm) + return -ENOMEM; + + cache->pmc = devm_kcalloc(pctrl->dev, nports, sizeof(*cache->pmc), GFP_KERNEL); + if (!cache->pmc) + return -ENOMEM; + + cache->pfc = devm_kcalloc(pctrl->dev, nports, sizeof(*cache->pfc), GFP_KERNEL); + if (!cache->pfc) + return -ENOMEM; + + for (u8 i = 0; i < 2; i++) { + u32 n_dedicated_pins = pctrl->data->n_dedicated_pins; + + cache->iolh[i] = devm_kcalloc(pctrl->dev, nports, sizeof(*cache->iolh[i]), + GFP_KERNEL); + if (!cache->iolh[i]) + return -ENOMEM; + + cache->ien[i] = devm_kcalloc(pctrl->dev, nports, sizeof(*cache->ien[i]), + GFP_KERNEL); + if (!cache->ien[i]) + return -ENOMEM; + + /* Allocate dedicated cache. */ + dedicated_cache->iolh[i] = devm_kcalloc(pctrl->dev, n_dedicated_pins, + sizeof(*dedicated_cache->iolh[i]), + GFP_KERNEL); + if (!dedicated_cache->iolh[i]) + return -ENOMEM; + + dedicated_cache->ien[i] = devm_kcalloc(pctrl->dev, n_dedicated_pins, + sizeof(*dedicated_cache->ien[i]), + GFP_KERNEL); + if (!dedicated_cache->ien[i]) + return -ENOMEM; + } + + pctrl->cache = cache; + pctrl->dedicated_cache = dedicated_cache; + + return 0; +} + static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl) { struct device_node *np = pctrl->dev->of_node; @@ -1814,16 +2753,13 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl) return -EPROBE_DEFER; ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &of_args); - if (ret) { - dev_err(pctrl->dev, "Unable to parse gpio-ranges\n"); - return ret; - } + if (ret) + return dev_err_probe(pctrl->dev, ret, "Unable to parse gpio-ranges\n"); if (of_args.args[0] != 0 || of_args.args[1] != 0 || - of_args.args[2] != pctrl->data->n_port_pins) { - dev_err(pctrl->dev, "gpio-ranges does not match selected SOC\n"); - return -EINVAL; - } + of_args.args[2] != pctrl->data->n_port_pins) + return dev_err_probe(pctrl->dev, -EINVAL, + "gpio-ranges does not match selected SOC\n"); chip->names = pctrl->data->port_pins; chip->request = rzg2l_gpio_request; @@ -1841,10 +2777,10 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl) girq = &chip->irq; gpio_irq_chip_set_chip(girq, &rzg2l_gpio_irqchip); - girq->fwnode = of_node_to_fwnode(np); + girq->fwnode = dev_fwnode(pctrl->dev); girq->parent_domain = parent_domain; girq->child_to_parent_hwirq = rzg2l_gpio_child_to_parent_hwirq; - girq->populate_parent_alloc_arg = rzg2l_gpio_populate_parent_fwspec; + girq->populate_parent_alloc_arg = gpiochip_populate_parent_fwspec_twocell; girq->child_irq_domain_ops.free = rzg2l_gpio_irq_domain_free; girq->init_valid_mask = rzg2l_init_irq_valid_mask; @@ -1855,10 +2791,8 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl) pctrl->gpio_range.name = chip->label; pctrl->gpio_range.gc = chip; ret = devm_gpiochip_add_data(pctrl->dev, chip, pctrl); - if (ret) { - dev_err(pctrl->dev, "failed to add GPIO controller\n"); - return ret; - } + if (ret) + return dev_err_probe(pctrl->dev, ret, "failed to add GPIO controller\n"); dev_dbg(pctrl->dev, "Registered gpio controller\n"); @@ -1870,7 +2804,7 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; struct pinctrl_pin_desc *pins; unsigned int i, j; - u32 *pin_data; + u64 *pin_data; int ret; pctrl->desc.name = DRV_NAME; @@ -1879,6 +2813,13 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) pctrl->desc.pmxops = &rzg2l_pinctrl_pmxops; pctrl->desc.confops = &rzg2l_pinctrl_confops; pctrl->desc.owner = THIS_MODULE; + if (pctrl->data->num_custom_params) { + pctrl->desc.num_custom_params = pctrl->data->num_custom_params; + pctrl->desc.custom_params = pctrl->data->custom_params; +#ifdef CONFIG_DEBUG_FS + pctrl->desc.custom_conf_items = pctrl->data->custom_conf_items; +#endif + } pins = devm_kcalloc(pctrl->dev, pctrl->desc.npins, sizeof(*pins), GFP_KERNEL); if (!pins) @@ -1898,6 +2839,11 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) if (i && !(i % RZG2L_PINS_PER_PORT)) j++; pin_data[i] = pctrl->data->port_pin_configs[j]; + if (pin_data[i] & RZG2L_VARIABLE_CFG) + pin_data[i] = rzg2l_pinctrl_get_variable_pin_cfg(pctrl, + pin_data[i], + j, + i % RZG2L_PINS_PER_PORT); pins[i].drv_data = &pin_data[i]; } @@ -1926,24 +2872,22 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) } } + ret = rzg2l_pinctrl_reg_cache_alloc(pctrl); + if (ret) + return ret; + ret = devm_pinctrl_register_and_init(pctrl->dev, &pctrl->desc, pctrl, &pctrl->pctl); - if (ret) { - dev_err(pctrl->dev, "pinctrl registration failed\n"); - return ret; - } + if (ret) + return dev_err_probe(pctrl->dev, ret, "pinctrl registration failed\n"); ret = pinctrl_enable(pctrl->pctl); - if (ret) { - dev_err(pctrl->dev, "pinctrl enable failed\n"); - return ret; - } + if (ret) + return dev_err_probe(pctrl->dev, ret, "pinctrl enable failed\n"); ret = rzg2l_gpio_register(pctrl); - if (ret) { - dev_err(pctrl->dev, "failed to add GPIO chip: %i\n", ret); - return ret; - } + if (ret) + return dev_err_probe(pctrl->dev, ret, "failed to add GPIO chip\n"); return 0; } @@ -1951,7 +2895,6 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) static int rzg2l_pinctrl_probe(struct platform_device *pdev) { struct rzg2l_pinctrl *pctrl; - struct clk *clk; int ret; BUILD_BUG_ON(ARRAY_SIZE(r9a07g044_gpio_configs) * RZG2L_PINS_PER_PORT > @@ -1963,6 +2906,12 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev) BUILD_BUG_ON(ARRAY_SIZE(r9a08g045_gpio_configs) * RZG2L_PINS_PER_PORT > ARRAY_SIZE(rzg2l_gpio_names)); + BUILD_BUG_ON(ARRAY_SIZE(r9a09g047_gpio_configs) * RZG2L_PINS_PER_PORT > + ARRAY_SIZE(rzg3e_gpio_names)); + + BUILD_BUG_ON(ARRAY_SIZE(r9a09g057_gpio_configs) * RZG2L_PINS_PER_PORT > + ARRAY_SIZE(rzv2h_gpio_names)); + pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL); if (!pctrl) return -ENOMEM; @@ -1977,14 +2926,16 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev) if (IS_ERR(pctrl->base)) return PTR_ERR(pctrl->base); - clk = devm_clk_get_enabled(pctrl->dev, NULL); - if (IS_ERR(clk)) - return dev_err_probe(pctrl->dev, PTR_ERR(clk), + pctrl->clk = devm_clk_get_enabled(pctrl->dev, NULL); + if (IS_ERR(pctrl->clk)) { + return dev_err_probe(pctrl->dev, PTR_ERR(pctrl->clk), "failed to enable GPIO clk\n"); + } spin_lock_init(&pctrl->lock); spin_lock_init(&pctrl->bitmap_lock); mutex_init(&pctrl->mutex); + atomic_set(&pctrl->wakeup_path, 0); platform_set_drvdata(pdev, pctrl); @@ -1996,6 +2947,258 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev) return 0; } +static void rzg2l_pinctrl_pm_setup_regs(struct rzg2l_pinctrl *pctrl, bool suspend) +{ + u32 nports = pctrl->data->n_port_pins / RZG2L_PINS_PER_PORT; + struct rzg2l_pinctrl_reg_cache *cache = pctrl->cache; + + for (u32 port = 0; port < nports; port++) { + bool has_iolh, has_ien; + u32 off, caps; + u8 pincnt; + u64 cfg; + + cfg = pctrl->data->port_pin_configs[port]; + off = RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg); + pincnt = hweight8(FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg)); + + caps = FIELD_GET(PIN_CFG_MASK, cfg); + has_iolh = !!(caps & (PIN_CFG_IOLH_A | PIN_CFG_IOLH_B | PIN_CFG_IOLH_C)); + has_ien = !!(caps & PIN_CFG_IEN); + + if (suspend) + RZG2L_PCTRL_REG_ACCESS32(suspend, pctrl->base + PFC(off), cache->pfc[port]); + + /* + * Now cache the registers or set them in the order suggested by + * HW manual (section "Operation for GPIO Function"). + */ + RZG2L_PCTRL_REG_ACCESS8(suspend, pctrl->base + PMC(off), cache->pmc[port]); + if (has_iolh) { + RZG2L_PCTRL_REG_ACCESS32(suspend, pctrl->base + IOLH(off), + cache->iolh[0][port]); + if (pincnt >= 4) { + RZG2L_PCTRL_REG_ACCESS32(suspend, pctrl->base + IOLH(off) + 4, + cache->iolh[1][port]); + } + } + + RZG2L_PCTRL_REG_ACCESS16(suspend, pctrl->base + PM(off), cache->pm[port]); + RZG2L_PCTRL_REG_ACCESS8(suspend, pctrl->base + P(off), cache->p[port]); + + if (has_ien) { + RZG2L_PCTRL_REG_ACCESS32(suspend, pctrl->base + IEN(off), + cache->ien[0][port]); + if (pincnt >= 4) { + RZG2L_PCTRL_REG_ACCESS32(suspend, pctrl->base + IEN(off) + 4, + cache->ien[1][port]); + } + } + } +} + +static void rzg2l_pinctrl_pm_setup_dedicated_regs(struct rzg2l_pinctrl *pctrl, bool suspend) +{ + struct rzg2l_pinctrl_reg_cache *cache = pctrl->dedicated_cache; + u32 caps; + u32 i; + + /* + * Make sure entries in pctrl->data->n_dedicated_pins[] having the same + * port offset are close together. + */ + for (i = 0, caps = 0; i < pctrl->data->n_dedicated_pins; i++) { + bool has_iolh, has_ien; + u32 off, next_off = 0; + u64 cfg, next_cfg; + u8 pincnt; + + cfg = pctrl->data->dedicated_pins[i].config; + off = RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg); + if (i + 1 < pctrl->data->n_dedicated_pins) { + next_cfg = pctrl->data->dedicated_pins[i + 1].config; + next_off = RZG2L_PIN_CFG_TO_PORT_OFFSET(next_cfg); + } + + if (off == next_off) { + /* Gather caps of all port pins. */ + caps |= FIELD_GET(PIN_CFG_MASK, cfg); + continue; + } + + /* And apply them in a single shot. */ + has_iolh = !!(caps & (PIN_CFG_IOLH_A | PIN_CFG_IOLH_B | PIN_CFG_IOLH_C)); + has_ien = !!(caps & PIN_CFG_IEN); + pincnt = hweight8(FIELD_GET(RZG2L_SINGLE_PIN_BITS_MASK, cfg)); + + if (has_iolh) { + RZG2L_PCTRL_REG_ACCESS32(suspend, pctrl->base + IOLH(off), + cache->iolh[0][i]); + } + if (has_ien) { + RZG2L_PCTRL_REG_ACCESS32(suspend, pctrl->base + IEN(off), + cache->ien[0][i]); + } + + if (pincnt >= 4) { + if (has_iolh) { + RZG2L_PCTRL_REG_ACCESS32(suspend, + pctrl->base + IOLH(off) + 4, + cache->iolh[1][i]); + } + if (has_ien) { + RZG2L_PCTRL_REG_ACCESS32(suspend, + pctrl->base + IEN(off) + 4, + cache->ien[1][i]); + } + } + caps = 0; + } +} + +static void rzg2l_pinctrl_pm_setup_pfc(struct rzg2l_pinctrl *pctrl) +{ + u32 nports = pctrl->data->n_port_pins / RZG2L_PINS_PER_PORT; + unsigned long flags; + + spin_lock_irqsave(&pctrl->lock, flags); + pctrl->data->pwpr_pfc_lock_unlock(pctrl, false); + + /* Restore port registers. */ + for (u32 port = 0; port < nports; port++) { + unsigned long pinmap; + u8 pmc = 0, max_pin; + u32 off, pfc = 0; + u64 cfg; + u16 pm; + u8 pin; + + cfg = pctrl->data->port_pin_configs[port]; + off = RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg); + pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg); + max_pin = fls(pinmap); + + pm = readw(pctrl->base + PM(off)); + for_each_set_bit(pin, &pinmap, max_pin) { + struct rzg2l_pinctrl_reg_cache *cache = pctrl->cache; + + /* Nothing to do if PFC was not configured before. */ + if (!(cache->pmc[port] & BIT(pin))) + continue; + + /* Set pin to 'Non-use (Hi-Z input protection)' */ + pm &= ~(PM_MASK << (pin * 2)); + writew(pm, pctrl->base + PM(off)); + + /* Temporarily switch to GPIO mode with PMC register */ + pmc &= ~BIT(pin); + writeb(pmc, pctrl->base + PMC(off)); + + /* Select Pin function mode. */ + pfc &= ~(PFC_MASK << (pin * 4)); + pfc |= (cache->pfc[port] & (PFC_MASK << (pin * 4))); + writel(pfc, pctrl->base + PFC(off)); + + /* Switch to Peripheral pin function. */ + pmc |= BIT(pin); + writeb(pmc, pctrl->base + PMC(off)); + } + } + + pctrl->data->pwpr_pfc_lock_unlock(pctrl, true); + spin_unlock_irqrestore(&pctrl->lock, flags); +} + +static int rzg2l_pinctrl_suspend_noirq(struct device *dev) +{ + struct rzg2l_pinctrl *pctrl = dev_get_drvdata(dev); + const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; + const struct rzg2l_register_offsets *regs = &hwcfg->regs; + struct rzg2l_pinctrl_reg_cache *cache = pctrl->cache; + + rzg2l_pinctrl_pm_setup_regs(pctrl, true); + rzg2l_pinctrl_pm_setup_dedicated_regs(pctrl, true); + + for (u8 i = 0; i < 2; i++) { + if (regs->sd_ch) + cache->sd_ch[i] = readb(pctrl->base + SD_CH(regs->sd_ch, i)); + if (regs->eth_poc) + cache->eth_poc[i] = readb(pctrl->base + ETH_POC(regs->eth_poc, i)); + } + + cache->qspi = readb(pctrl->base + QSPI); + cache->eth_mode = readb(pctrl->base + ETH_MODE); + + if (!atomic_read(&pctrl->wakeup_path)) + clk_disable_unprepare(pctrl->clk); + else + device_set_wakeup_path(dev); + + return 0; +} + +static int rzg2l_pinctrl_resume_noirq(struct device *dev) +{ + struct rzg2l_pinctrl *pctrl = dev_get_drvdata(dev); + const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; + const struct rzg2l_register_offsets *regs = &hwcfg->regs; + struct rzg2l_pinctrl_reg_cache *cache = pctrl->cache; + int ret; + + if (!atomic_read(&pctrl->wakeup_path)) { + ret = clk_prepare_enable(pctrl->clk); + if (ret) + return ret; + } + + writeb(cache->qspi, pctrl->base + QSPI); + writeb(cache->eth_mode, pctrl->base + ETH_MODE); + for (u8 i = 0; i < 2; i++) { + if (regs->sd_ch) + writeb(cache->sd_ch[i], pctrl->base + SD_CH(regs->sd_ch, i)); + if (regs->eth_poc) + writeb(cache->eth_poc[i], pctrl->base + ETH_POC(regs->eth_poc, i)); + } + + rzg2l_pinctrl_pm_setup_pfc(pctrl); + rzg2l_pinctrl_pm_setup_regs(pctrl, false); + rzg2l_pinctrl_pm_setup_dedicated_regs(pctrl, false); + rzg2l_gpio_irq_restore(pctrl); + + return 0; +} + +static void rzg2l_pwpr_pfc_lock_unlock(struct rzg2l_pinctrl *pctrl, bool lock) +{ + const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs; + + if (lock) { + /* Set the PWPR register to be write-protected */ + writel(0x0, pctrl->base + regs->pwpr); /* B0WI=0, PFCWE=0 */ + writel(PWPR_B0WI, pctrl->base + regs->pwpr); /* B0WI=1, PFCWE=0 */ + } else { + /* Set the PWPR register to allow PFC register to write */ + writel(0x0, pctrl->base + regs->pwpr); /* B0WI=0, PFCWE=0 */ + writel(PWPR_PFCWE, pctrl->base + regs->pwpr); /* B0WI=0, PFCWE=1 */ + } +} + +static void rzv2h_pwpr_pfc_lock_unlock(struct rzg2l_pinctrl *pctrl, bool lock) +{ + const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs; + u8 pwpr; + + if (lock) { + /* Set the PWPR register to be write-protected */ + pwpr = readb(pctrl->base + regs->pwpr); + writeb(pwpr & ~PWPR_REGWE_A, pctrl->base + regs->pwpr); + } else { + /* Set the PWPR register to allow PFC and PMC register to write */ + pwpr = readb(pctrl->base + regs->pwpr); + writeb(PWPR_REGWE_A | pwpr, pctrl->base + regs->pwpr); + } +} + static const struct rzg2l_hwcfg rzg2l_hwcfg = { .regs = { .pwpr = 0x3014, @@ -2007,6 +3210,8 @@ static const struct rzg2l_hwcfg rzg2l_hwcfg = { [RZG2L_IOLH_IDX_3V3] = 2000, 4000, 8000, 12000, }, .iolh_groupb_oi = { 100, 66, 50, 33, }, + .tint_start_index = 9, + .oen_max_pin = 0, }; static const struct rzg2l_hwcfg rzg3s_hwcfg = { @@ -2035,12 +3240,20 @@ static const struct rzg2l_hwcfg rzg3s_hwcfg = { /* 3v3 power source */ [RZG2L_IOLH_IDX_3V3] = 4500, 5200, 5700, 6050, }, + .tint_start_index = 9, .drive_strength_ua = true, .func_base = 1, .oen_max_pin = 1, /* Pin 1 of P0 and P7 is the maximum OEN pin. */ .oen_max_port = 7, /* P7_1 is the maximum OEN port. */ }; +static const struct rzg2l_hwcfg rzv2h_hwcfg = { + .regs = { + .pwpr = 0x3c04, + }, + .tint_start_index = 17, +}; + static struct rzg2l_pinctrl_data r9a07g043_data = { .port_pins = rzg2l_gpio_names, .port_pin_configs = r9a07g043_gpio_configs, @@ -2049,6 +3262,16 @@ static struct rzg2l_pinctrl_data r9a07g043_data = { .n_port_pins = ARRAY_SIZE(r9a07g043_gpio_configs) * RZG2L_PINS_PER_PORT, .n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common), .hwcfg = &rzg2l_hwcfg, +#ifdef CONFIG_RISCV + .variable_pin_cfg = r9a07g043f_variable_pin_cfg, + .n_variable_pin_cfg = ARRAY_SIZE(r9a07g043f_variable_pin_cfg), +#endif + .pwpr_pfc_lock_unlock = &rzg2l_pwpr_pfc_lock_unlock, + .pmc_writeb = &rzg2l_pmc_writeb, + .oen_read = &rzg2l_read_oen, + .oen_write = &rzg2l_write_oen, + .hw_to_bias_param = &rzg2l_hw_to_bias_param, + .bias_param_to_hw = &rzg2l_bias_param_to_hw, }; static struct rzg2l_pinctrl_data r9a07g044_data = { @@ -2060,6 +3283,12 @@ static struct rzg2l_pinctrl_data r9a07g044_data = { .n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common) + ARRAY_SIZE(rzg2l_dedicated_pins.rzg2l_pins), .hwcfg = &rzg2l_hwcfg, + .pwpr_pfc_lock_unlock = &rzg2l_pwpr_pfc_lock_unlock, + .pmc_writeb = &rzg2l_pmc_writeb, + .oen_read = &rzg2l_read_oen, + .oen_write = &rzg2l_write_oen, + .hw_to_bias_param = &rzg2l_hw_to_bias_param, + .bias_param_to_hw = &rzg2l_bias_param_to_hw, }; static struct rzg2l_pinctrl_data r9a08g045_data = { @@ -2070,6 +3299,58 @@ static struct rzg2l_pinctrl_data r9a08g045_data = { .n_port_pins = ARRAY_SIZE(r9a08g045_gpio_configs) * RZG2L_PINS_PER_PORT, .n_dedicated_pins = ARRAY_SIZE(rzg3s_dedicated_pins), .hwcfg = &rzg3s_hwcfg, + .pwpr_pfc_lock_unlock = &rzg2l_pwpr_pfc_lock_unlock, + .pmc_writeb = &rzg2l_pmc_writeb, + .oen_read = &rzg3s_oen_read, + .oen_write = &rzg3s_oen_write, + .hw_to_bias_param = &rzg2l_hw_to_bias_param, + .bias_param_to_hw = &rzg2l_bias_param_to_hw, +}; + +static struct rzg2l_pinctrl_data r9a09g047_data = { + .port_pins = rzg3e_gpio_names, + .port_pin_configs = r9a09g047_gpio_configs, + .n_ports = ARRAY_SIZE(r9a09g047_gpio_configs), + .dedicated_pins = rzg3e_dedicated_pins, + .n_port_pins = ARRAY_SIZE(r9a09g047_gpio_configs) * RZG2L_PINS_PER_PORT, + .n_dedicated_pins = ARRAY_SIZE(rzg3e_dedicated_pins), + .hwcfg = &rzv2h_hwcfg, + .variable_pin_cfg = r9a09g047_variable_pin_cfg, + .n_variable_pin_cfg = ARRAY_SIZE(r9a09g047_variable_pin_cfg), + .num_custom_params = ARRAY_SIZE(renesas_rzv2h_custom_bindings), + .custom_params = renesas_rzv2h_custom_bindings, +#ifdef CONFIG_DEBUG_FS + .custom_conf_items = renesas_rzv2h_conf_items, +#endif + .pwpr_pfc_lock_unlock = &rzv2h_pwpr_pfc_lock_unlock, + .pmc_writeb = &rzv2h_pmc_writeb, + .oen_read = &rzv2h_oen_read, + .oen_write = &rzv2h_oen_write, + .hw_to_bias_param = &rzv2h_hw_to_bias_param, + .bias_param_to_hw = &rzv2h_bias_param_to_hw, +}; + +static struct rzg2l_pinctrl_data r9a09g057_data = { + .port_pins = rzv2h_gpio_names, + .port_pin_configs = r9a09g057_gpio_configs, + .n_ports = ARRAY_SIZE(r9a09g057_gpio_configs), + .dedicated_pins = rzv2h_dedicated_pins, + .n_port_pins = ARRAY_SIZE(r9a09g057_gpio_configs) * RZG2L_PINS_PER_PORT, + .n_dedicated_pins = ARRAY_SIZE(rzv2h_dedicated_pins), + .hwcfg = &rzv2h_hwcfg, + .variable_pin_cfg = r9a09g057_variable_pin_cfg, + .n_variable_pin_cfg = ARRAY_SIZE(r9a09g057_variable_pin_cfg), + .num_custom_params = ARRAY_SIZE(renesas_rzv2h_custom_bindings), + .custom_params = renesas_rzv2h_custom_bindings, +#ifdef CONFIG_DEBUG_FS + .custom_conf_items = renesas_rzv2h_conf_items, +#endif + .pwpr_pfc_lock_unlock = &rzv2h_pwpr_pfc_lock_unlock, + .pmc_writeb = &rzv2h_pmc_writeb, + .oen_read = &rzv2h_oen_read, + .oen_write = &rzv2h_oen_write, + .hw_to_bias_param = &rzv2h_hw_to_bias_param, + .bias_param_to_hw = &rzv2h_bias_param_to_hw, }; static const struct of_device_id rzg2l_pinctrl_of_table[] = { @@ -2085,13 +3366,26 @@ static const struct of_device_id rzg2l_pinctrl_of_table[] = { .compatible = "renesas,r9a08g045-pinctrl", .data = &r9a08g045_data, }, + { + .compatible = "renesas,r9a09g047-pinctrl", + .data = &r9a09g047_data, + }, + { + .compatible = "renesas,r9a09g057-pinctrl", + .data = &r9a09g057_data, + }, { /* sentinel */ } }; +static const struct dev_pm_ops rzg2l_pinctrl_pm_ops = { + NOIRQ_SYSTEM_SLEEP_PM_OPS(rzg2l_pinctrl_suspend_noirq, rzg2l_pinctrl_resume_noirq) +}; + static struct platform_driver rzg2l_pinctrl_driver = { .driver = { .name = DRV_NAME, .of_match_table = of_match_ptr(rzg2l_pinctrl_of_table), + .pm = pm_sleep_ptr(&rzg2l_pinctrl_pm_ops), }, .probe = rzg2l_pinctrl_probe, }; |