diff options
Diffstat (limited to 'drivers/pinctrl/renesas/pinctrl-rzg2l.c')
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzg2l.c | 715 |
1 files changed, 561 insertions, 154 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 37cdfe4b04f9..c7c6d912a975 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -55,14 +55,22 @@ #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 RZG2L_MPXED_PIN_FUNCS (PIN_CFG_IOLH_A | \ - PIN_CFG_SR | \ +#define RZG2L_MPXED_COMMON_PIN_FUNCS(group) \ + (PIN_CFG_IOLH_##group | \ PIN_CFG_PUPD | \ PIN_CFG_FILONOFF | \ PIN_CFG_FILNUM | \ PIN_CFG_FILCLKSEL) +#define RZG2L_MPXED_PIN_FUNCS (RZG2L_MPXED_COMMON_PIN_FUNCS(A) | \ + PIN_CFG_SR) + +#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 | \ @@ -74,8 +82,6 @@ */ #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_GET_INDEX(x) (((x) & GENMASK(26, 20)) >> 20) -#define RZG2L_GPIO_PORT_GET_CFGS(x) ((x) & GENMASK(19, 0)) /* * BIT(31) indicates dedicated pin, p is the register index while @@ -85,20 +91,22 @@ #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_PORT_OFFSET(x) (((x) & GENMASK(30, 24)) >> 24) #define RZG2L_SINGLE_PIN_GET_BIT(x) (((x) & GENMASK(22, 20)) >> 20) -#define RZG2L_SINGLE_PIN_GET_CFGS(x) ((x) & GENMASK(19, 0)) - -#define P(n) (0x0000 + 0x10 + (n)) -#define PM(n) (0x0100 + 0x20 + (n) * 2) -#define PMC(n) (0x0200 + 0x10 + (n)) -#define PFC(n) (0x0400 + 0x40 + (n) * 4) -#define PIN(n) (0x0800 + 0x10 + (n)) -#define IOLH(n) (0x1000 + (n) * 8) -#define IEN(n) (0x1800 + (n) * 8) -#define ISEL(n) (0x2c80 + (n) * 8) -#define PWPR (0x3014) -#define SD_CH(n) (0x3000 + (n) * 4) + +#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)) + +#define P(off) (0x0000 + (off)) +#define PM(off) (0x0100 + (off) * 2) +#define PMC(off) (0x0200 + (off)) +#define PFC(off) (0x0400 + (off) * 4) +#define PIN(off) (0x0800 + (off)) +#define IOLH(off) (0x1000 + (off) * 8) +#define IEN(off) (0x1800 + (off) * 8) +#define ISEL(off) (0x2C00 + (off) * 8) +#define SD_CH(off, ch) ((off) + (ch) * 4) #define QSPI (0x3008) #define PVDD_1800 1 /* I/O domain voltage <= 1.8V */ @@ -117,13 +125,59 @@ #define PM_OUTPUT 0x2 #define RZG2L_PIN_ID_TO_PORT(id) ((id) / RZG2L_PINS_PER_PORT) -#define RZG2L_PIN_ID_TO_PORT_OFFSET(id) (RZG2L_PIN_ID_TO_PORT(id) + 0x10) #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)) +/** + * struct rzg2l_register_offsets - specific register offsets + * @pwpr: PWPR register offset + * @sd_ch: SD_CH register offset + */ +struct rzg2l_register_offsets { + u16 pwpr; + u16 sd_ch; +}; + +/** + * enum rzg2l_iolh_index - starting indices in IOLH specific arrays + * @RZG2L_IOLH_IDX_1V8: starting index for 1V8 power source + * @RZG2L_IOLH_IDX_2V5: starting index for 2V5 power source + * @RZG2L_IOLH_IDX_3V3: starting index for 3V3 power source + * @RZG2L_IOLH_IDX_MAX: maximum index + */ +enum rzg2l_iolh_index { + RZG2L_IOLH_IDX_1V8 = 0, + RZG2L_IOLH_IDX_2V5 = 4, + RZG2L_IOLH_IDX_3V3 = 8, + RZG2L_IOLH_IDX_MAX = 12, +}; + +/* Maximum number of driver strength entries per power source. */ +#define RZG2L_IOLH_MAX_DS_ENTRIES (4) + +/** + * struct rzg2l_hwcfg - hardware configuration data structure + * @regs: hardware specific register offsets + * @iolh_groupa_ua: IOLH group A uA specific values + * @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 + * @drive_strength_ua: drive strength in uA is supported (otherwise mA is supported) + * @func_base: base number for port function (see register PFC) + */ +struct rzg2l_hwcfg { + const struct rzg2l_register_offsets regs; + u16 iolh_groupa_ua[RZG2L_IOLH_IDX_MAX]; + u16 iolh_groupb_ua[RZG2L_IOLH_IDX_MAX]; + u16 iolh_groupc_ua[RZG2L_IOLH_IDX_MAX]; + u16 iolh_groupb_oi[4]; + bool drive_strength_ua; + u8 func_base; +}; + struct rzg2l_dedicated_configs { const char *name; u32 config; @@ -133,9 +187,20 @@ struct rzg2l_pinctrl_data { const char * const *port_pins; const u32 *port_pin_configs; unsigned int n_ports; - struct rzg2l_dedicated_configs *dedicated_pins; + const struct rzg2l_dedicated_configs *dedicated_pins; unsigned int n_port_pins; unsigned int n_dedicated_pins; + const struct rzg2l_hwcfg *hwcfg; +}; + +/** + * struct rzg2l_pinctrl_pin_settings - pin data + * @power_source: power source + * @drive_strength_ua: drive strength (in micro amps) + */ +struct rzg2l_pinctrl_pin_settings { + u16 power_source; + u16 drive_strength_ua; }; struct rzg2l_pinctrl { @@ -155,44 +220,46 @@ struct rzg2l_pinctrl { spinlock_t lock; /* lock read/write registers */ struct mutex mutex; /* serialize adding groups and functions */ + + struct rzg2l_pinctrl_pin_settings *settings; }; -static const unsigned int iolh_groupa_mA[] = { 2, 4, 8, 12 }; -static const unsigned int iolh_groupb_oi[] = { 100, 66, 50, 33 }; +static const u16 available_ps[] = { 1800, 2500, 3300 }; static void rzg2l_pinctrl_set_pfc_mode(struct rzg2l_pinctrl *pctrl, - u8 port, u8 pin, u8 func) + u8 pin, u8 off, u8 func) { + const struct rzg2l_register_offsets *regs = &pctrl->data->hwcfg->regs; unsigned long flags; u32 reg; spin_lock_irqsave(&pctrl->lock, flags); /* Set pin to 'Non-use (Hi-Z input protection)' */ - reg = readw(pctrl->base + PM(port)); + reg = readw(pctrl->base + PM(off)); reg &= ~(PM_MASK << (pin * 2)); - writew(reg, pctrl->base + PM(port)); + writew(reg, pctrl->base + PM(off)); /* Temporarily switch to GPIO mode with PMC register */ - reg = readb(pctrl->base + PMC(port)); - writeb(reg & ~BIT(pin), pctrl->base + PMC(port)); + 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 + PWPR); /* B0WI=0, PFCWE=0 */ - writel(PWPR_PFCWE, pctrl->base + PWPR); /* B0WI=0, PFCWE=1 */ + 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(port)); + reg = readl(pctrl->base + PFC(off)); reg &= ~(PFC_MASK << (pin * 4)); - writel(reg | (func << (pin * 4)), pctrl->base + PFC(port)); + writel(reg | (func << (pin * 4)), pctrl->base + PFC(off)); /* Set the PWPR register to be write-protected */ - writel(0x0, pctrl->base + PWPR); /* B0WI=0, PFCWE=0 */ - writel(PWPR_B0WI, pctrl->base + PWPR); /* B0WI=1, PFCWE=0 */ + 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(port)); - writeb(reg | BIT(pin), pctrl->base + PMC(port)); + reg = readb(pctrl->base + PMC(off)); + writeb(reg | BIT(pin), pctrl->base + PMC(off)); spin_unlock_irqrestore(&pctrl->lock, flags); }; @@ -202,6 +269,7 @@ static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev, unsigned int group_selector) { struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; struct function_desc *func; unsigned int i, *psel_val; struct group_desc *group; @@ -218,11 +286,14 @@ static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev, pins = group->pins; for (i = 0; i < group->num_pins; i++) { - dev_dbg(pctrl->dev, "port:%u pin: %u PSEL:%u\n", - RZG2L_PIN_ID_TO_PORT(pins[i]), RZG2L_PIN_ID_TO_PIN(pins[i]), - psel_val[i]); - rzg2l_pinctrl_set_pfc_mode(pctrl, RZG2L_PIN_ID_TO_PORT(pins[i]), - RZG2L_PIN_ID_TO_PIN(pins[i]), psel_val[i]); + unsigned int *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]); + + dev_dbg(pctrl->dev, "port:%u pin: %u off:%x PSEL:%u\n", + RZG2L_PIN_ID_TO_PORT(pins[i]), pin, off, psel_val[i] - hwcfg->func_base); + + rzg2l_pinctrl_set_pfc_mode(pctrl, pin, off, psel_val[i] - hwcfg->func_base); } return 0; @@ -468,14 +539,14 @@ static int rzg2l_validate_gpio_pin(struct rzg2l_pinctrl *pctrl, u32 cfg, u32 port, u8 bit) { u8 pincount = RZG2L_GPIO_PORT_GET_PINCNT(cfg); - u32 port_index = RZG2L_GPIO_PORT_GET_INDEX(cfg); + u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg); u32 data; if (bit >= pincount || port >= pctrl->data->n_port_pins) return -EINVAL; data = pctrl->data->port_pin_configs[port]; - if (port_index != RZG2L_GPIO_PORT_GET_INDEX(data)) + if (off != RZG2L_PIN_CFG_TO_PORT_OFFSET(data)) return -EINVAL; return 0; @@ -514,31 +585,178 @@ static void rzg2l_rmw_pin_config(struct rzg2l_pinctrl *pctrl, u32 offset, spin_unlock_irqrestore(&pctrl->lock, flags); } +static int rzg2l_caps_to_pwr_reg(const struct rzg2l_register_offsets *regs, u32 caps) +{ + if (caps & PIN_CFG_IO_VMC_SD0) + return SD_CH(regs->sd_ch, 0); + if (caps & PIN_CFG_IO_VMC_SD1) + return SD_CH(regs->sd_ch, 1); + if (caps & PIN_CFG_IO_VMC_QSPI) + return QSPI; + + return -EINVAL; +} + +static int rzg2l_get_power_source(struct rzg2l_pinctrl *pctrl, u32 pin, u32 caps) +{ + const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; + const struct rzg2l_register_offsets *regs = &hwcfg->regs; + int pwr_reg; + + if (caps & PIN_CFG_SOFT_PS) + return pctrl->settings[pin].power_source; + + pwr_reg = rzg2l_caps_to_pwr_reg(regs, caps); + if (pwr_reg < 0) + return pwr_reg; + + return (readl(pctrl->base + pwr_reg) & PVDD_MASK) ? 1800 : 3300; +} + +static int rzg2l_set_power_source(struct rzg2l_pinctrl *pctrl, u32 pin, u32 caps, u32 ps) +{ + const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; + const struct rzg2l_register_offsets *regs = &hwcfg->regs; + int pwr_reg; + + if (caps & PIN_CFG_SOFT_PS) { + pctrl->settings[pin].power_source = ps; + return 0; + } + + pwr_reg = rzg2l_caps_to_pwr_reg(regs, caps); + if (pwr_reg < 0) + return pwr_reg; + + writel((ps == 1800) ? PVDD_1800 : PVDD_3300, pctrl->base + pwr_reg); + pctrl->settings[pin].power_source = ps; + + return 0; +} + +static bool rzg2l_ps_is_supported(u16 ps) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(available_ps); i++) { + if (available_ps[i] == ps) + return true; + } + + return false; +} + +static enum rzg2l_iolh_index rzg2l_ps_to_iolh_idx(u16 ps) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(available_ps); i++) { + if (available_ps[i] == ps) + break; + } + + /* + * We multiply with RZG2L_IOLH_MAX_DS_ENTRIES as we have + * RZG2L_IOLH_MAX_DS_ENTRIES DS values per power source + */ + return i * RZG2L_IOLH_MAX_DS_ENTRIES; +} + +static u16 rzg2l_iolh_val_to_ua(const struct rzg2l_hwcfg *hwcfg, u32 caps, u8 val) +{ + if (caps & PIN_CFG_IOLH_A) + return hwcfg->iolh_groupa_ua[val]; + + if (caps & PIN_CFG_IOLH_B) + return hwcfg->iolh_groupb_ua[val]; + + if (caps & PIN_CFG_IOLH_C) + return hwcfg->iolh_groupc_ua[val]; + + /* Should not happen. */ + return 0; +} + +static int rzg2l_iolh_ua_to_val(const struct rzg2l_hwcfg *hwcfg, u32 caps, + enum rzg2l_iolh_index ps_index, u16 ua) +{ + const u16 *array = NULL; + unsigned int i; + + if (caps & PIN_CFG_IOLH_A) + array = &hwcfg->iolh_groupa_ua[ps_index]; + + if (caps & PIN_CFG_IOLH_B) + array = &hwcfg->iolh_groupb_ua[ps_index]; + + if (caps & PIN_CFG_IOLH_C) + array = &hwcfg->iolh_groupc_ua[ps_index]; + + if (!array) + return -EINVAL; + + for (i = 0; i < RZG2L_IOLH_MAX_DS_ENTRIES; i++) { + if (array[i] == ua) + return i; + } + + return -EINVAL; +} + +static bool rzg2l_ds_is_supported(struct rzg2l_pinctrl *pctrl, u32 caps, + enum rzg2l_iolh_index iolh_idx, + u16 ds) +{ + const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; + const u16 *array = NULL; + unsigned int i; + + if (caps & PIN_CFG_IOLH_A) + array = hwcfg->iolh_groupa_ua; + + if (caps & PIN_CFG_IOLH_B) + array = hwcfg->iolh_groupb_ua; + + if (caps & PIN_CFG_IOLH_C) + array = hwcfg->iolh_groupc_ua; + + /* Should not happen. */ + if (!array) + return false; + + if (!array[iolh_idx]) + return false; + + for (i = 0; i < RZG2L_IOLH_MAX_DS_ENTRIES; i++) { + if (array[iolh_idx + i] == ds) + return true; + } + + return false; +} + 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; unsigned int arg = 0; - unsigned long flags; - void __iomem *addr; - u32 port_offset; - u32 cfg = 0; - u8 bit = 0; + u32 off, cfg; + int ret; + u8 bit; if (!pin_data) return -EINVAL; + off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); + cfg = RZG2L_PIN_CFG_TO_CAPS(*pin_data); if (*pin_data & RZG2L_SINGLE_PIN) { - port_offset = RZG2L_SINGLE_PIN_GET_PORT_OFFSET(*pin_data); - cfg = RZG2L_SINGLE_PIN_GET_CFGS(*pin_data); bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data); } else { - cfg = RZG2L_GPIO_PORT_GET_CFGS(*pin_data); - port_offset = RZG2L_PIN_ID_TO_PORT_OFFSET(_pin); bit = RZG2L_PIN_ID_TO_PIN(_pin); if (rzg2l_validate_gpio_pin(pctrl, *pin_data, RZG2L_PIN_ID_TO_PORT(_pin), bit)) @@ -549,49 +767,58 @@ static int rzg2l_pinctrl_pinconf_get(struct pinctrl_dev *pctldev, case PIN_CONFIG_INPUT_ENABLE: if (!(cfg & PIN_CFG_IEN)) return -EINVAL; - arg = rzg2l_read_pin_config(pctrl, IEN(port_offset), bit, IEN_MASK); + arg = rzg2l_read_pin_config(pctrl, IEN(off), bit, IEN_MASK); if (!arg) return -EINVAL; break; - case PIN_CONFIG_POWER_SOURCE: { - u32 pwr_reg = 0x0; + case PIN_CONFIG_POWER_SOURCE: + ret = rzg2l_get_power_source(pctrl, _pin, cfg); + if (ret < 0) + return ret; + arg = ret; + break; + + case PIN_CONFIG_DRIVE_STRENGTH: { + unsigned int index; - if (cfg & PIN_CFG_IO_VMC_SD0) - pwr_reg = SD_CH(0); - else if (cfg & PIN_CFG_IO_VMC_SD1) - pwr_reg = SD_CH(1); - else if (cfg & PIN_CFG_IO_VMC_QSPI) - pwr_reg = QSPI; - else + if (!(cfg & PIN_CFG_IOLH_A) || hwcfg->drive_strength_ua) return -EINVAL; - spin_lock_irqsave(&pctrl->lock, flags); - addr = pctrl->base + pwr_reg; - arg = (readl(addr) & PVDD_MASK) ? 1800 : 3300; - spin_unlock_irqrestore(&pctrl->lock, flags); + index = rzg2l_read_pin_config(pctrl, IOLH(off), bit, IOLH_MASK); + /* + * Drive strenght mA is supported only by group A and only + * for 3V3 port source. + */ + arg = hwcfg->iolh_groupa_ua[index + RZG2L_IOLH_IDX_3V3] / 1000; break; } - case PIN_CONFIG_DRIVE_STRENGTH: { - unsigned int index; + case PIN_CONFIG_DRIVE_STRENGTH_UA: { + enum rzg2l_iolh_index iolh_idx; + u8 val; - if (!(cfg & PIN_CFG_IOLH_A)) + if (!(cfg & (PIN_CFG_IOLH_A | PIN_CFG_IOLH_B | PIN_CFG_IOLH_C)) || + !hwcfg->drive_strength_ua) return -EINVAL; - index = rzg2l_read_pin_config(pctrl, IOLH(port_offset), bit, IOLH_MASK); - arg = iolh_groupa_mA[index]; + ret = rzg2l_get_power_source(pctrl, _pin, cfg); + if (ret < 0) + return ret; + iolh_idx = rzg2l_ps_to_iolh_idx(ret); + val = rzg2l_read_pin_config(pctrl, IOLH(off), bit, IOLH_MASK); + arg = rzg2l_iolh_val_to_ua(hwcfg, cfg, iolh_idx + val); break; } case PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS: { unsigned int index; - if (!(cfg & PIN_CFG_IOLH_B)) + if (!(cfg & PIN_CFG_IOLH_B) || !hwcfg->iolh_groupb_oi[0]) return -EINVAL; - index = rzg2l_read_pin_config(pctrl, IOLH(port_offset), bit, IOLH_MASK); - arg = iolh_groupb_oi[index]; + index = rzg2l_read_pin_config(pctrl, IOLH(off), bit, IOLH_MASK); + arg = hwcfg->iolh_groupb_oi[index]; break; } @@ -611,25 +838,23 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, { struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(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; - unsigned long flags; - void __iomem *addr; - u32 port_offset; unsigned int i; - u32 cfg = 0; - u8 bit = 0; + u32 cfg, off; + int ret; + u8 bit; if (!pin_data) return -EINVAL; + off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); + cfg = RZG2L_PIN_CFG_TO_CAPS(*pin_data); if (*pin_data & RZG2L_SINGLE_PIN) { - port_offset = RZG2L_SINGLE_PIN_GET_PORT_OFFSET(*pin_data); - cfg = RZG2L_SINGLE_PIN_GET_CFGS(*pin_data); bit = RZG2L_SINGLE_PIN_GET_BIT(*pin_data); } else { - cfg = RZG2L_GPIO_PORT_GET_CFGS(*pin_data); - port_offset = RZG2L_PIN_ID_TO_PORT_OFFSET(_pin); bit = RZG2L_PIN_ID_TO_PIN(_pin); if (rzg2l_validate_gpio_pin(pctrl, *pin_data, RZG2L_PIN_ID_TO_PORT(_pin), bit)) @@ -646,66 +871,56 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, if (!(cfg & PIN_CFG_IEN)) return -EINVAL; - rzg2l_rmw_pin_config(pctrl, IEN(port_offset), bit, IEN_MASK, !!arg); + rzg2l_rmw_pin_config(pctrl, IEN(off), bit, IEN_MASK, !!arg); break; } - case PIN_CONFIG_POWER_SOURCE: { - unsigned int mV = pinconf_to_config_argument(_configs[i]); - u32 pwr_reg = 0x0; - - if (mV != 1800 && mV != 3300) - return -EINVAL; - - if (cfg & PIN_CFG_IO_VMC_SD0) - pwr_reg = SD_CH(0); - else if (cfg & PIN_CFG_IO_VMC_SD1) - pwr_reg = SD_CH(1); - else if (cfg & PIN_CFG_IO_VMC_QSPI) - pwr_reg = QSPI; - else - return -EINVAL; - - addr = pctrl->base + pwr_reg; - spin_lock_irqsave(&pctrl->lock, flags); - writel((mV == 1800) ? PVDD_1800 : PVDD_3300, addr); - spin_unlock_irqrestore(&pctrl->lock, flags); + case PIN_CONFIG_POWER_SOURCE: + settings.power_source = pinconf_to_config_argument(_configs[i]); break; - } case PIN_CONFIG_DRIVE_STRENGTH: { unsigned int arg = pinconf_to_config_argument(_configs[i]); unsigned int index; - if (!(cfg & PIN_CFG_IOLH_A)) + if (!(cfg & PIN_CFG_IOLH_A) || hwcfg->drive_strength_ua) return -EINVAL; - for (index = 0; index < ARRAY_SIZE(iolh_groupa_mA); index++) { - if (arg == iolh_groupa_mA[index]) + for (index = RZG2L_IOLH_IDX_3V3; + index < RZG2L_IOLH_IDX_3V3 + RZG2L_IOLH_MAX_DS_ENTRIES; index++) { + if (arg == (hwcfg->iolh_groupa_ua[index] / 1000)) break; } - if (index >= ARRAY_SIZE(iolh_groupa_mA)) + if (index == (RZG2L_IOLH_IDX_3V3 + RZG2L_IOLH_MAX_DS_ENTRIES)) return -EINVAL; - rzg2l_rmw_pin_config(pctrl, IOLH(port_offset), bit, IOLH_MASK, index); + rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, index); break; } + case PIN_CONFIG_DRIVE_STRENGTH_UA: + if (!(cfg & (PIN_CFG_IOLH_A | PIN_CFG_IOLH_B | PIN_CFG_IOLH_C)) || + !hwcfg->drive_strength_ua) + return -EINVAL; + + settings.drive_strength_ua = pinconf_to_config_argument(_configs[i]); + break; + case PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS: { unsigned int arg = pinconf_to_config_argument(_configs[i]); unsigned int index; - if (!(cfg & PIN_CFG_IOLH_B)) + if (!(cfg & PIN_CFG_IOLH_B) || !hwcfg->iolh_groupb_oi[0]) return -EINVAL; - for (index = 0; index < ARRAY_SIZE(iolh_groupb_oi); index++) { - if (arg == iolh_groupb_oi[index]) + for (index = 0; index < ARRAY_SIZE(hwcfg->iolh_groupb_oi); index++) { + if (arg == hwcfg->iolh_groupb_oi[index]) break; } - if (index >= ARRAY_SIZE(iolh_groupb_oi)) + if (index == ARRAY_SIZE(hwcfg->iolh_groupb_oi)) return -EINVAL; - rzg2l_rmw_pin_config(pctrl, IOLH(port_offset), bit, IOLH_MASK, index); + rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, index); break; } @@ -714,6 +929,39 @@ static int rzg2l_pinctrl_pinconf_set(struct pinctrl_dev *pctldev, } } + /* Apply power source. */ + if (settings.power_source != pctrl->settings[_pin].power_source) { + ret = rzg2l_ps_is_supported(settings.power_source); + if (!ret) + return -EINVAL; + + /* Apply power source. */ + ret = rzg2l_set_power_source(pctrl, _pin, cfg, settings.power_source); + if (ret) + return ret; + } + + /* Apply drive strength. */ + if (settings.drive_strength_ua != pctrl->settings[_pin].drive_strength_ua) { + enum rzg2l_iolh_index iolh_idx; + int val; + + iolh_idx = rzg2l_ps_to_iolh_idx(settings.power_source); + ret = rzg2l_ds_is_supported(pctrl, cfg, iolh_idx, + settings.drive_strength_ua); + if (!ret) + return -EINVAL; + + /* Get register value for this PS/DS tuple. */ + val = rzg2l_iolh_ua_to_val(hwcfg, cfg, iolh_idx, settings.drive_strength_ua); + if (val < 0) + return val; + + /* Apply drive strength. */ + rzg2l_rmw_pin_config(pctrl, IOLH(off), bit, IOLH_MASK, val); + pctrl->settings[_pin].drive_strength_ua = settings.drive_strength_ua; + } + return 0; } @@ -795,12 +1043,19 @@ static const struct pinconf_ops rzg2l_pinctrl_confops = { 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; + 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); unsigned long flags; u8 reg8; int ret; + ret = rzg2l_validate_gpio_pin(pctrl, *pin_data, port, bit); + if (ret) + return ret; + ret = pinctrl_gpio_request(chip->base + offset); if (ret) return ret; @@ -808,28 +1063,32 @@ static int rzg2l_gpio_request(struct gpio_chip *chip, unsigned int offset) spin_lock_irqsave(&pctrl->lock, flags); /* Select GPIO mode in PMC Register */ - reg8 = readb(pctrl->base + PMC(port)); + reg8 = readb(pctrl->base + PMC(off)); reg8 &= ~BIT(bit); - writeb(reg8, pctrl->base + PMC(port)); + writeb(reg8, pctrl->base + PMC(off)); spin_unlock_irqrestore(&pctrl->lock, flags); return 0; } -static void rzg2l_gpio_set_direction(struct rzg2l_pinctrl *pctrl, u32 port, - u8 bit, bool output) +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; + u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); + u8 bit = RZG2L_PIN_ID_TO_PIN(offset); unsigned long flags; u16 reg16; spin_lock_irqsave(&pctrl->lock, flags); - reg16 = readw(pctrl->base + PM(port)); + reg16 = readw(pctrl->base + PM(off)); reg16 &= ~(PM_MASK << (bit * 2)); reg16 |= (output ? PM_OUTPUT : PM_INPUT) << (bit * 2); - writew(reg16, pctrl->base + PM(port)); + writew(reg16, pctrl->base + PM(off)); spin_unlock_irqrestore(&pctrl->lock, flags); } @@ -837,13 +1096,15 @@ static void rzg2l_gpio_set_direction(struct rzg2l_pinctrl *pctrl, u32 port, static int rzg2l_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) { struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); - u32 port = RZG2L_PIN_ID_TO_PORT(offset); + const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset]; + 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(offset); - if (!(readb(pctrl->base + PMC(port)) & BIT(bit))) { + if (!(readb(pctrl->base + PMC(off)) & BIT(bit))) { u16 reg16; - reg16 = readw(pctrl->base + PM(port)); + reg16 = readw(pctrl->base + PM(off)); reg16 = (reg16 >> (bit * 2)) & PM_MASK; if (reg16 == PM_OUTPUT) return GPIO_LINE_DIRECTION_OUT; @@ -856,10 +1117,8 @@ static int rzg2l_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) { struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); - u32 port = RZG2L_PIN_ID_TO_PORT(offset); - u8 bit = RZG2L_PIN_ID_TO_PIN(offset); - rzg2l_gpio_set_direction(pctrl, port, bit, false); + rzg2l_gpio_set_direction(pctrl, offset, false); return 0; } @@ -868,19 +1127,21 @@ static void rzg2l_gpio_set(struct gpio_chip *chip, unsigned int offset, int value) { struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); - u32 port = RZG2L_PIN_ID_TO_PORT(offset); + const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset]; + 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(offset); unsigned long flags; u8 reg8; spin_lock_irqsave(&pctrl->lock, flags); - reg8 = readb(pctrl->base + P(port)); + reg8 = readb(pctrl->base + P(off)); if (value) - writeb(reg8 | BIT(bit), pctrl->base + P(port)); + writeb(reg8 | BIT(bit), pctrl->base + P(off)); else - writeb(reg8 & ~BIT(bit), pctrl->base + P(port)); + writeb(reg8 & ~BIT(bit), pctrl->base + P(off)); spin_unlock_irqrestore(&pctrl->lock, flags); } @@ -889,11 +1150,9 @@ static int rzg2l_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) { struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); - u32 port = RZG2L_PIN_ID_TO_PORT(offset); - u8 bit = RZG2L_PIN_ID_TO_PIN(offset); rzg2l_gpio_set(chip, offset, value); - rzg2l_gpio_set_direction(pctrl, port, bit, true); + rzg2l_gpio_set_direction(pctrl, offset, true); return 0; } @@ -901,17 +1160,19 @@ static int rzg2l_gpio_direction_output(struct gpio_chip *chip, static int rzg2l_gpio_get(struct gpio_chip *chip, unsigned int offset) { struct rzg2l_pinctrl *pctrl = gpiochip_get_data(chip); - u32 port = RZG2L_PIN_ID_TO_PORT(offset); + const struct pinctrl_pin_desc *pin_desc = &pctrl->desc.pins[offset]; + 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(offset); u16 reg16; - reg16 = readw(pctrl->base + PM(port)); + reg16 = readw(pctrl->base + PM(off)); reg16 = (reg16 >> (bit * 2)) & PM_MASK; if (reg16 == PM_INPUT) - return !!(readb(pctrl->base + PIN(port)) & BIT(bit)); + return !!(readb(pctrl->base + PIN(off)) & BIT(bit)); else if (reg16 == PM_OUTPUT) - return !!(readb(pctrl->base + P(port)) & BIT(bit)); + return !!(readb(pctrl->base + P(off)) & BIT(bit)); else return -EINVAL; } @@ -985,7 +1246,7 @@ 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 rzg2l_gpio_configs[] = { +static const u32 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), @@ -1059,7 +1320,37 @@ static const u32 r9a07g043_gpio_configs[] = { RZG2L_GPIO_PORT_PACK(6, 0x22, RZG2L_MPXED_PIN_FUNCS), }; -static struct { +static const u32 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)), /* P1 */ + RZG2L_GPIO_PORT_PACK(4, 0x31, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C | + PIN_CFG_IO_VMC_ETH0)), /* P2 */ + RZG2L_GPIO_PORT_PACK(4, 0x32, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C | + PIN_CFG_IO_VMC_ETH0)), /* P3 */ + RZG2L_GPIO_PORT_PACK(6, 0x33, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C | + PIN_CFG_IO_VMC_ETH0)), /* P4 */ + RZG2L_GPIO_PORT_PACK(5, 0x21, RZG3S_MPXED_PIN_FUNCS(A)), /* P5 */ + RZG2L_GPIO_PORT_PACK(5, 0x22, RZG3S_MPXED_PIN_FUNCS(A)), /* P6 */ + RZG2L_GPIO_PORT_PACK(5, 0x34, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C | + PIN_CFG_IO_VMC_ETH1)), /* P7 */ + RZG2L_GPIO_PORT_PACK(5, 0x35, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C | + PIN_CFG_IO_VMC_ETH1)), /* P8 */ + RZG2L_GPIO_PORT_PACK(4, 0x36, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C | + PIN_CFG_IO_VMC_ETH1)), /* P9 */ + RZG2L_GPIO_PORT_PACK(5, 0x37, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IOLH_C | + PIN_CFG_IO_VMC_ETH1)), /* P10 */ + RZG2L_GPIO_PORT_PACK(4, 0x23, RZG3S_MPXED_PIN_FUNCS(B) | PIN_CFG_IEN), /* P11 */ + RZG2L_GPIO_PORT_PACK(2, 0x24, RZG3S_MPXED_PIN_FUNCS(B) | PIN_CFG_IEN), /* P12 */ + RZG2L_GPIO_PORT_PACK(5, 0x25, RZG3S_MPXED_PIN_FUNCS(A)), /* P13 */ + RZG2L_GPIO_PORT_PACK(3, 0x26, RZG3S_MPXED_PIN_FUNCS(A)), /* P14 */ + RZG2L_GPIO_PORT_PACK(4, 0x27, RZG3S_MPXED_PIN_FUNCS(A)), /* P15 */ + RZG2L_GPIO_PORT_PACK(2, 0x28, RZG3S_MPXED_PIN_FUNCS(A)), /* P16 */ + RZG2L_GPIO_PORT_PACK(4, 0x29, RZG3S_MPXED_PIN_FUNCS(A)), /* P17 */ + RZG2L_GPIO_PORT_PACK(6, 0x2a, RZG3S_MPXED_PIN_FUNCS(A)), /* P18 */ +}; + +static const struct { struct rzg2l_dedicated_configs common[35]; struct rzg2l_dedicated_configs rzg2l_pins[7]; } rzg2l_dedicated_pins = { @@ -1145,6 +1436,46 @@ static 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)) }, + { "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)) }, + { "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 | + PIN_CFG_IO_VMC_SD0)) }, + { "SD0_RST#", RZG2L_SINGLE_PIN_PACK(0x10, 2, (PIN_CFG_IOLH_B | PIN_CFG_IO_VMC_SD0)) }, + { "SD0_DATA0", RZG2L_SINGLE_PIN_PACK(0x11, 0, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD0)) }, + { "SD0_DATA1", RZG2L_SINGLE_PIN_PACK(0x11, 1, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD0)) }, + { "SD0_DATA2", RZG2L_SINGLE_PIN_PACK(0x11, 2, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD0)) }, + { "SD0_DATA3", RZG2L_SINGLE_PIN_PACK(0x11, 3, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD0)) }, + { "SD0_DATA4", RZG2L_SINGLE_PIN_PACK(0x11, 4, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD0)) }, + { "SD0_DATA5", RZG2L_SINGLE_PIN_PACK(0x11, 5, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD0)) }, + { "SD0_DATA6", RZG2L_SINGLE_PIN_PACK(0x11, 6, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD0)) }, + { "SD0_DATA7", RZG2L_SINGLE_PIN_PACK(0x11, 7, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD0)) }, + { "SD1_CLK", RZG2L_SINGLE_PIN_PACK(0x12, 0, (PIN_CFG_IOLH_B | PIN_CFG_IO_VMC_SD1)) }, + { "SD1_CMD", RZG2L_SINGLE_PIN_PACK(0x12, 1, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD1)) }, + { "SD1_DATA0", RZG2L_SINGLE_PIN_PACK(0x13, 0, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD1)) }, + { "SD1_DATA1", RZG2L_SINGLE_PIN_PACK(0x13, 1, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD1)) }, + { "SD1_DATA2", RZG2L_SINGLE_PIN_PACK(0x13, 2, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD1)) }, + { "SD1_DATA3", RZG2L_SINGLE_PIN_PACK(0x13, 3, (PIN_CFG_IOLH_B | PIN_CFG_IEN | + PIN_CFG_IO_VMC_SD1)) }, +}; + static int rzg2l_gpio_get_gpioint(unsigned int virq, const struct rzg2l_pinctrl_data *data) { unsigned int gpioint; @@ -1170,15 +1501,16 @@ static void rzg2l_gpio_irq_disable(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; - u32 port; - u8 bit; - port = RZG2L_PIN_ID_TO_PORT(hwirq); - bit = RZG2L_PIN_ID_TO_PIN(hwirq); + irq_chip_disable_parent(d); - addr = pctrl->base + ISEL(port); + addr = pctrl->base + ISEL(off); if (bit >= 4) { bit -= 4; addr += 4; @@ -1189,7 +1521,6 @@ static void rzg2l_gpio_irq_disable(struct irq_data *d) spin_unlock_irqrestore(&pctrl->lock, flags); gpiochip_disable_irq(gc, hwirq); - irq_chip_disable_parent(d); } static void rzg2l_gpio_irq_enable(struct irq_data *d) @@ -1197,17 +1528,16 @@ 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; - u32 port; - u8 bit; gpiochip_enable_irq(gc, hwirq); - port = RZG2L_PIN_ID_TO_PORT(hwirq); - bit = RZG2L_PIN_ID_TO_PIN(hwirq); - - addr = pctrl->base + ISEL(port); + addr = pctrl->base + ISEL(off); if (bit >= 4) { bit -= 4; addr += 4; @@ -1414,6 +1744,7 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl) 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; @@ -1456,6 +1787,22 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) pins[index].drv_data = &pin_data[index]; } + pctrl->settings = devm_kcalloc(pctrl->dev, pctrl->desc.npins, sizeof(*pctrl->settings), + GFP_KERNEL); + if (!pctrl->settings) + return -ENOMEM; + + for (i = 0; hwcfg->drive_strength_ua && i < pctrl->desc.npins; i++) { + if (pin_data[i] & PIN_CFG_SOFT_PS) { + pctrl->settings[i].power_source = 3300; + } else { + ret = rzg2l_get_power_source(pctrl, i, pin_data[i]); + if (ret < 0) + continue; + pctrl->settings[i].power_source = ret; + } + } + ret = devm_pinctrl_register_and_init(pctrl->dev, &pctrl->desc, pctrl, &pctrl->pctl); if (ret) { @@ -1484,12 +1831,15 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev) struct clk *clk; int ret; - BUILD_BUG_ON(ARRAY_SIZE(rzg2l_gpio_configs) * RZG2L_PINS_PER_PORT > + BUILD_BUG_ON(ARRAY_SIZE(r9a07g044_gpio_configs) * RZG2L_PINS_PER_PORT > ARRAY_SIZE(rzg2l_gpio_names)); BUILD_BUG_ON(ARRAY_SIZE(r9a07g043_gpio_configs) * RZG2L_PINS_PER_PORT > ARRAY_SIZE(rzg2l_gpio_names)); + BUILD_BUG_ON(ARRAY_SIZE(r9a08g045_gpio_configs) * RZG2L_PINS_PER_PORT > + ARRAY_SIZE(rzg2l_gpio_names)); + pctrl = devm_kzalloc(&pdev->dev, sizeof(*pctrl), GFP_KERNEL); if (!pctrl) return -ENOMEM; @@ -1523,6 +1873,47 @@ static int rzg2l_pinctrl_probe(struct platform_device *pdev) return 0; } +static const struct rzg2l_hwcfg rzg2l_hwcfg = { + .regs = { + .pwpr = 0x3014, + .sd_ch = 0x3000, + }, + .iolh_groupa_ua = { + /* 3v3 power source */ + [RZG2L_IOLH_IDX_3V3] = 2000, 4000, 8000, 12000, + }, + .iolh_groupb_oi = { 100, 66, 50, 33, }, +}; + +static const struct rzg2l_hwcfg rzg3s_hwcfg = { + .regs = { + .pwpr = 0x3000, + .sd_ch = 0x3004, + }, + .iolh_groupa_ua = { + /* 1v8 power source */ + [RZG2L_IOLH_IDX_1V8] = 2200, 4400, 9000, 10000, + /* 3v3 power source */ + [RZG2L_IOLH_IDX_3V3] = 1900, 4000, 8000, 9000, + }, + .iolh_groupb_ua = { + /* 1v8 power source */ + [RZG2L_IOLH_IDX_1V8] = 7000, 8000, 9000, 10000, + /* 3v3 power source */ + [RZG2L_IOLH_IDX_3V3] = 4000, 6000, 8000, 9000, + }, + .iolh_groupc_ua = { + /* 1v8 power source */ + [RZG2L_IOLH_IDX_1V8] = 5200, 6000, 6550, 6800, + /* 2v5 source */ + [RZG2L_IOLH_IDX_2V5] = 4700, 5300, 5800, 6100, + /* 3v3 power source */ + [RZG2L_IOLH_IDX_3V3] = 4500, 5200, 5700, 6050, + }, + .drive_strength_ua = true, + .func_base = 1, +}; + static struct rzg2l_pinctrl_data r9a07g043_data = { .port_pins = rzg2l_gpio_names, .port_pin_configs = r9a07g043_gpio_configs, @@ -1530,16 +1921,28 @@ static struct rzg2l_pinctrl_data r9a07g043_data = { .dedicated_pins = rzg2l_dedicated_pins.common, .n_port_pins = ARRAY_SIZE(r9a07g043_gpio_configs) * RZG2L_PINS_PER_PORT, .n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common), + .hwcfg = &rzg2l_hwcfg, }; static struct rzg2l_pinctrl_data r9a07g044_data = { .port_pins = rzg2l_gpio_names, - .port_pin_configs = rzg2l_gpio_configs, - .n_ports = ARRAY_SIZE(rzg2l_gpio_configs), + .port_pin_configs = r9a07g044_gpio_configs, + .n_ports = ARRAY_SIZE(r9a07g044_gpio_configs), .dedicated_pins = rzg2l_dedicated_pins.common, - .n_port_pins = ARRAY_SIZE(rzg2l_gpio_configs) * RZG2L_PINS_PER_PORT, + .n_port_pins = ARRAY_SIZE(r9a07g044_gpio_configs) * RZG2L_PINS_PER_PORT, .n_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common) + ARRAY_SIZE(rzg2l_dedicated_pins.rzg2l_pins), + .hwcfg = &rzg2l_hwcfg, +}; + +static struct rzg2l_pinctrl_data r9a08g045_data = { + .port_pins = rzg2l_gpio_names, + .port_pin_configs = r9a08g045_gpio_configs, + .n_ports = ARRAY_SIZE(r9a08g045_gpio_configs), + .dedicated_pins = rzg3s_dedicated_pins, + .n_port_pins = ARRAY_SIZE(r9a08g045_gpio_configs) * RZG2L_PINS_PER_PORT, + .n_dedicated_pins = ARRAY_SIZE(rzg3s_dedicated_pins), + .hwcfg = &rzg3s_hwcfg, }; static const struct of_device_id rzg2l_pinctrl_of_table[] = { @@ -1551,6 +1954,10 @@ static const struct of_device_id rzg2l_pinctrl_of_table[] = { .compatible = "renesas,r9a07g044-pinctrl", .data = &r9a07g044_data, }, + { + .compatible = "renesas,r9a08g045-pinctrl", + .data = &r9a08g045_data, + }, { /* sentinel */ } }; |