diff options
Diffstat (limited to 'drivers/pinctrl/renesas/pinctrl-rzg2l.c')
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl-rzg2l.c | 51 |
1 files changed, 48 insertions, 3 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 5a403915fed2..5eefbace7d91 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -139,6 +139,8 @@ #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) @@ -160,6 +162,8 @@ #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 @@ -168,7 +172,6 @@ #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 */ @@ -247,6 +250,7 @@ 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 @@ -258,6 +262,7 @@ 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; @@ -1337,6 +1342,27 @@ 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; @@ -1466,6 +1492,22 @@ 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; @@ -2379,7 +2421,7 @@ static int rzg2l_gpio_child_to_parent_hwirq(struct gpio_chip *gc, 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; @@ -2710,7 +2752,7 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl) ret = pinctrl_enable(pctrl->pctl); if (ret) - dev_err_probe(pctrl->dev, ret, "pinctrl enable failed\n"); + return dev_err_probe(pctrl->dev, ret, "pinctrl enable failed\n"); ret = rzg2l_gpio_register(pctrl); if (ret) @@ -3034,6 +3076,7 @@ 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, }; @@ -3063,6 +3106,7 @@ 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. */ @@ -3073,6 +3117,7 @@ static const struct rzg2l_hwcfg rzv2h_hwcfg = { .regs = { .pwpr = 0x3c04, }, + .tint_start_index = 17, }; static struct rzg2l_pinctrl_data r9a07g043_data = { |