diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-rk805.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-rk805.c | 95 |
1 files changed, 82 insertions, 13 deletions
diff --git a/drivers/pinctrl/pinctrl-rk805.c b/drivers/pinctrl/pinctrl-rk805.c index 56d916f2cee6..fc0e330b1d11 100644 --- a/drivers/pinctrl/pinctrl-rk805.c +++ b/drivers/pinctrl/pinctrl-rk805.c @@ -93,6 +93,11 @@ enum rk806_pinmux_option { RK806_PINMUX_FUN5, }; +enum rk816_pinmux_option { + RK816_PINMUX_THERMISTOR, + RK816_PINMUX_GPIO, +}; + enum { RK805_GPIO0, RK805_GPIO1, @@ -104,6 +109,10 @@ enum { RK806_GPIO_DVS3 }; +enum { + RK816_GPIO0, +}; + static const char *const rk805_gpio_groups[] = { "gpio0", "gpio1", @@ -115,6 +124,10 @@ static const char *const rk806_gpio_groups[] = { "gpio_pwrctrl3", }; +static const char *const rk816_gpio_groups[] = { + "gpio0", +}; + /* RK805: 2 output only GPIOs */ static const struct pinctrl_pin_desc rk805_pins_desc[] = { PINCTRL_PIN(RK805_GPIO0, "gpio0"), @@ -128,6 +141,11 @@ static const struct pinctrl_pin_desc rk806_pins_desc[] = { PINCTRL_PIN(RK806_GPIO_DVS3, "gpio_pwrctrl3"), }; +/* RK816 */ +static const struct pinctrl_pin_desc rk816_pins_desc[] = { + PINCTRL_PIN(RK816_GPIO0, "gpio0"), +}; + static const struct rk805_pin_function rk805_pin_functions[] = { { .name = "gpio", @@ -176,6 +194,21 @@ static const struct rk805_pin_function rk806_pin_functions[] = { }, }; +static const struct rk805_pin_function rk816_pin_functions[] = { + { + .name = "gpio", + .groups = rk816_gpio_groups, + .ngroups = ARRAY_SIZE(rk816_gpio_groups), + .mux_option = RK816_PINMUX_GPIO, + }, + { + .name = "thermistor", + .groups = rk816_gpio_groups, + .ngroups = ARRAY_SIZE(rk816_gpio_groups), + .mux_option = RK816_PINMUX_THERMISTOR, + }, +}; + static const struct rk805_pin_group rk805_pin_groups[] = { { .name = "gpio0", @@ -207,6 +240,14 @@ static const struct rk805_pin_group rk806_pin_groups[] = { } }; +static const struct rk805_pin_group rk816_pin_groups[] = { + { + .name = "gpio0", + .pins = { RK816_GPIO0 }, + .npins = 1, + }, +}; + #define RK805_GPIO0_VAL_MSK BIT(0) #define RK805_GPIO1_VAL_MSK BIT(1) @@ -255,6 +296,20 @@ static struct rk805_pin_config rk806_gpio_cfgs[] = { } }; +#define RK816_FUN_MASK BIT(2) +#define RK816_VAL_MASK BIT(3) +#define RK816_DIR_MASK BIT(4) + +static struct rk805_pin_config rk816_gpio_cfgs[] = { + { + .fun_reg = RK818_IO_POL_REG, + .fun_msk = RK816_FUN_MASK, + .reg = RK818_IO_POL_REG, + .val_msk = RK816_VAL_MASK, + .dir_msk = RK816_DIR_MASK, + }, +}; + /* generic gpio chip */ static int rk805_gpio_get(struct gpio_chip *chip, unsigned int offset) { @@ -270,26 +325,26 @@ static int rk805_gpio_get(struct gpio_chip *chip, unsigned int offset) return !!(val & pci->pin_cfg[offset].val_msk); } -static void rk805_gpio_set(struct gpio_chip *chip, - unsigned int offset, - int value) +static int rk805_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct rk805_pctrl_info *pci = gpiochip_get_data(chip); - int ret; - ret = regmap_update_bits(pci->rk808->regmap, - pci->pin_cfg[offset].reg, - pci->pin_cfg[offset].val_msk, - value ? pci->pin_cfg[offset].val_msk : 0); - if (ret) - dev_err(pci->dev, "set gpio%d value %d failed\n", - offset, value); + return regmap_update_bits(pci->rk808->regmap, + pci->pin_cfg[offset].reg, + pci->pin_cfg[offset].val_msk, + value ? pci->pin_cfg[offset].val_msk : 0); } static int rk805_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) { - rk805_gpio_set(chip, offset, value); + int ret; + + ret = rk805_gpio_set(chip, offset, value); + if (ret) + return ret; + return pinctrl_gpio_direction_output(chip, offset); } @@ -323,7 +378,7 @@ static const struct gpio_chip rk805_gpio_chip = { .free = gpiochip_generic_free, .get_direction = rk805_gpio_get_direction, .get = rk805_gpio_get, - .set = rk805_gpio_set, + .set_rv = rk805_gpio_set, .direction_input = pinctrl_gpio_direction_input, .direction_output = rk805_gpio_direction_output, .can_sleep = true, @@ -439,6 +494,8 @@ static int rk805_pinctrl_gpio_request_enable(struct pinctrl_dev *pctldev, return _rk805_pinctrl_set_mux(pctldev, offset, RK805_PINMUX_GPIO); case RK806_ID: return _rk805_pinctrl_set_mux(pctldev, offset, RK806_PINMUX_FUN5); + case RK816_ID: + return _rk805_pinctrl_set_mux(pctldev, offset, RK816_PINMUX_GPIO); } return -ENOTSUPP; @@ -588,6 +645,18 @@ static int rk805_pinctrl_probe(struct platform_device *pdev) pci->pin_cfg = rk806_gpio_cfgs; pci->gpio_chip.ngpio = ARRAY_SIZE(rk806_gpio_cfgs); break; + case RK816_ID: + pci->pins = rk816_pins_desc; + pci->num_pins = ARRAY_SIZE(rk816_pins_desc); + pci->functions = rk816_pin_functions; + pci->num_functions = ARRAY_SIZE(rk816_pin_functions); + pci->groups = rk816_pin_groups; + pci->num_pin_groups = ARRAY_SIZE(rk816_pin_groups); + pci->pinctrl_desc.pins = rk816_pins_desc; + pci->pinctrl_desc.npins = ARRAY_SIZE(rk816_pins_desc); + pci->pin_cfg = rk816_gpio_cfgs; + pci->gpio_chip.ngpio = ARRAY_SIZE(rk816_gpio_cfgs); + break; default: dev_err(&pdev->dev, "unsupported RK805 ID %lu\n", pci->rk808->variant); |