As the common set_mux func(), implement the feature at the own file for each Soc.
Signed-off-by: David Wu david.wu@rock-chips.com ---
drivers/pinctrl/rockchip/pinctrl-rk3036.c | 23 ++++- drivers/pinctrl/rockchip/pinctrl-rk3128.c | 23 ++++- drivers/pinctrl/rockchip/pinctrl-rk3188.c | 29 +++++- drivers/pinctrl/rockchip/pinctrl-rk322x.c | 29 +++++- drivers/pinctrl/rockchip/pinctrl-rk3288.c | 40 ++++++-- drivers/pinctrl/rockchip/pinctrl-rk3328.c | 29 +++++- drivers/pinctrl/rockchip/pinctrl-rk3368.c | 40 ++++++-- drivers/pinctrl/rockchip/pinctrl-rk3399.c | 40 ++++++-- .../pinctrl/rockchip/pinctrl-rockchip-core.c | 97 ++++--------------- drivers/pinctrl/rockchip/pinctrl-rockchip.h | 7 +- drivers/pinctrl/rockchip/pinctrl-rv1108.c | 30 +++++- 11 files changed, 275 insertions(+), 112 deletions(-)
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3036.c b/drivers/pinctrl/rockchip/pinctrl-rk3036.c index 8969aea2e3..498b633f22 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3036.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3036.c @@ -53,6 +53,27 @@ static void rk3036_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, *bit = pin_num % RK3036_PULL_PINS_PER_REG; };
+static int rk3036_set_pull(struct rockchip_pin_bank *bank, + int pin_num, int pull) +{ + struct regmap *regmap; + int reg, ret; + u8 bit; + u32 data; + + if (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT && + pull != PIN_CONFIG_BIAS_DISABLE) + return -ENOTSUPP; + + rk3036_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); + data = BIT(bit + 16); + if (pull == PIN_CONFIG_BIAS_DISABLE) + data |= BIT(bit); + ret = regmap_write(regmap, reg, data); + + return ret; +} + static struct rockchip_pin_bank rk3036_pin_banks[] = { PIN_BANK(0, 32, "gpio0"), PIN_BANK(1, 32, "gpio1"), @@ -66,7 +87,7 @@ static struct rockchip_pin_ctrl rk3036_pin_ctrl = { .type = RK3036, .grf_mux_offset = 0xa8, .set_mux = rk3036_set_mux, - .pull_calc_reg = rk3036_calc_pull_reg_and_bit, + .set_pull = rk3036_set_pull, };
static const struct udevice_id rk3036_pinctrl_ids[] = { diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3128.c b/drivers/pinctrl/rockchip/pinctrl-rk3128.c index de203334c7..104b76c19e 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3128.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3128.c @@ -152,6 +152,27 @@ static void rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, *bit = pin_num % RK3128_PULL_PINS_PER_REG; }
+static int rk3128_set_pull(struct rockchip_pin_bank *bank, + int pin_num, int pull) +{ + struct regmap *regmap; + int reg, ret; + u8 bit; + u32 data; + + if (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT && + pull != PIN_CONFIG_BIAS_DISABLE) + return -ENOTSUPP; + + rk3128_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); + data = BIT(bit + 16); + if (pull == PIN_CONFIG_BIAS_DISABLE) + data |= BIT(bit); + ret = regmap_write(regmap, reg, data); + + return ret; +} + static struct rockchip_pin_bank rk3128_pin_banks[] = { PIN_BANK(0, 32, "gpio0"), PIN_BANK(1, 32, "gpio1"), @@ -170,7 +191,7 @@ static struct rockchip_pin_ctrl rk3128_pin_ctrl = { .iomux_routes = rk3128_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3128_mux_route_data), .set_mux = rk3128_set_mux, - .pull_calc_reg = rk3128_calc_pull_reg_and_bit, + .set_pull = rk3128_set_pull, };
static const struct udevice_id rk3128_pinctrl_ids[] = { diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3188.c b/drivers/pinctrl/rockchip/pinctrl-rk3188.c index 617ae28ac8..e09c799e72 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3188.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3188.c @@ -71,6 +71,33 @@ static void rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, } }
+static int rk3188_set_pull(struct rockchip_pin_bank *bank, + int pin_num, int pull) +{ + struct regmap *regmap; + int reg, ret; + u8 bit, type; + u32 data; + + if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) + return -ENOTSUPP; + + rk3188_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); + type = bank->pull_type[pin_num / 8]; + ret = rockchip_translate_pull_value(type, pull); + if (ret < 0) { + debug("unsupported pull setting %d\n", pull); + return ret; + } + + /* enable the write to the equivalent lower bits */ + data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); + data |= (ret << bit); + ret = regmap_write(regmap, reg, data); + + return ret; +} + static struct rockchip_pin_bank rk3188_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_GPIO_ONLY, 0, 0, 0), PIN_BANK(1, 32, "gpio1"), @@ -85,7 +112,7 @@ static struct rockchip_pin_ctrl rk3188_pin_ctrl = { .type = RK3188, .grf_mux_offset = 0x60, .set_mux = rk3188_set_mux, - .pull_calc_reg = rk3188_calc_pull_reg_and_bit, + .set_pull = rk3188_set_pull, };
static const struct udevice_id rk3188_pinctrl_ids[] = { diff --git a/drivers/pinctrl/rockchip/pinctrl-rk322x.c b/drivers/pinctrl/rockchip/pinctrl-rk322x.c index 10200ff3c8..b69d9795bb 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk322x.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk322x.c @@ -191,6 +191,33 @@ static void rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, *bit *= ROCKCHIP_PULL_BITS_PER_PIN; }
+static int rk3228_set_pull(struct rockchip_pin_bank *bank, + int pin_num, int pull) +{ + struct regmap *regmap; + int reg, ret; + u8 bit, type; + u32 data; + + if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) + return -ENOTSUPP; + + rk3228_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); + type = bank->pull_type[pin_num / 8]; + ret = rockchip_translate_pull_value(type, pull); + if (ret < 0) { + debug("unsupported pull setting %d\n", pull); + return ret; + } + + /* enable the write to the equivalent lower bits */ + data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); + data |= (ret << bit); + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3228_DRV_GRF_OFFSET 0x200
static void rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, @@ -247,7 +274,7 @@ static struct rockchip_pin_ctrl rk3228_pin_ctrl = { .iomux_routes = rk3228_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3228_mux_route_data), .set_mux = rk3228_set_mux, - .pull_calc_reg = rk3228_calc_pull_reg_and_bit, + .set_pull = rk3228_set_pull, .set_drive = rk3228_set_drive, };
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3288.c b/drivers/pinctrl/rockchip/pinctrl-rk3288.c index 6f489d2d54..2c25ab9f56 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3288.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3288.c @@ -80,10 +80,6 @@ static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, if (bank->bank_num == 0) { *regmap = priv->regmap_pmu; *reg = RK3288_PULL_PMU_OFFSET; - - *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4); - *bit = pin_num % ROCKCHIP_PULL_PINS_PER_REG; - *bit *= ROCKCHIP_PULL_BITS_PER_PIN; } else { *regmap = priv->regmap_base; *reg = RK3288_PULL_OFFSET; @@ -91,11 +87,39 @@ static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, /* correct the offset, as we're starting with the 2nd bank */ *reg -= 0x10; *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE; - *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4); + } + + *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4); + + *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG); + *bit *= ROCKCHIP_PULL_BITS_PER_PIN; +} + +static int rk3288_set_pull(struct rockchip_pin_bank *bank, + int pin_num, int pull) +{ + struct regmap *regmap; + int reg, ret; + u8 bit, type; + u32 data; + + if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) + return -ENOTSUPP;
- *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG); - *bit *= ROCKCHIP_PULL_BITS_PER_PIN; + rk3288_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); + type = bank->pull_type[pin_num / 8]; + ret = rockchip_translate_pull_value(type, pull); + if (ret < 0) { + debug("unsupported pull setting %d\n", pull); + return ret; } + + /* enable the write to the equivalent lower bits */ + data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); + data |= (ret << bit); + ret = regmap_write(regmap, reg, data); + + return ret; }
#define RK3288_DRV_PMU_OFFSET 0x70 @@ -196,7 +220,7 @@ static struct rockchip_pin_ctrl rk3288_pin_ctrl = { .iomux_routes = rk3288_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3288_mux_route_data), .set_mux = rk3288_set_mux, - .pull_calc_reg = rk3288_calc_pull_reg_and_bit, + .set_pull = rk3288_set_pull, .set_drive = rk3288_set_drive, };
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3328.c b/drivers/pinctrl/rockchip/pinctrl-rk3328.c index 0ad5669d26..7ac5c0226e 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3328.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3328.c @@ -174,6 +174,33 @@ static void rk3328_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, *bit *= ROCKCHIP_PULL_BITS_PER_PIN; }
+static int rk3328_set_pull(struct rockchip_pin_bank *bank, + int pin_num, int pull) +{ + struct regmap *regmap; + int reg, ret; + u8 bit, type; + u32 data; + + if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) + return -ENOTSUPP; + + rk3328_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); + type = bank->pull_type[pin_num / 8]; + ret = rockchip_translate_pull_value(type, pull); + if (ret < 0) { + debug("unsupported pull setting %d\n", pull); + return ret; + } + + /* enable the write to the equivalent lower bits */ + data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); + data |= (ret << bit); + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RK3328_DRV_GRF_OFFSET 0x200
static void rk3328_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, @@ -262,7 +289,7 @@ static struct rockchip_pin_ctrl rk3328_pin_ctrl = { .iomux_routes = rk3328_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3328_mux_route_data), .set_mux = rk3328_set_mux, - .pull_calc_reg = rk3328_calc_pull_reg_and_bit, + .set_pull = rk3328_set_pull, .set_drive = rk3328_set_drive, .schmitt_calc_reg = rk3328_calc_schmitt_reg_and_bit, }; diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3368.c b/drivers/pinctrl/rockchip/pinctrl-rk3368.c index 40cc846fa8..06de27aa30 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3368.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3368.c @@ -48,10 +48,6 @@ static void rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, if (bank->bank_num == 0) { *regmap = priv->regmap_pmu; *reg = RK3368_PULL_PMU_OFFSET; - - *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4); - *bit = pin_num % ROCKCHIP_PULL_PINS_PER_REG; - *bit *= ROCKCHIP_PULL_BITS_PER_PIN; } else { *regmap = priv->regmap_base; *reg = RK3368_PULL_GRF_OFFSET; @@ -59,11 +55,39 @@ static void rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, /* correct the offset, as we're starting with the 2nd bank */ *reg -= 0x10; *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE; - *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4); + } + + *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4); + + *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG); + *bit *= ROCKCHIP_PULL_BITS_PER_PIN; +} + +static int rk3368_set_pull(struct rockchip_pin_bank *bank, + int pin_num, int pull) +{ + struct regmap *regmap; + int reg, ret; + u8 bit, type; + u32 data;
- *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG); - *bit *= ROCKCHIP_PULL_BITS_PER_PIN; + if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) + return -ENOTSUPP; + + rk3368_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); + type = bank->pull_type[pin_num / 8]; + ret = rockchip_translate_pull_value(type, pull); + if (ret < 0) { + debug("unsupported pull setting %d\n", pull); + return ret; } + + /* enable the write to the equivalent lower bits */ + data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); + data |= (ret << bit); + ret = regmap_write(regmap, reg, data); + + return ret; }
#define RK3368_DRV_PMU_OFFSET 0x20 @@ -136,7 +160,7 @@ static struct rockchip_pin_ctrl rk3368_pin_ctrl = { .grf_mux_offset = 0x0, .pmu_mux_offset = 0x0, .set_mux = rk3368_set_mux, - .pull_calc_reg = rk3368_calc_pull_reg_and_bit, + .set_pull = rk3368_set_pull, .set_drive = rk3368_set_drive, };
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3399.c b/drivers/pinctrl/rockchip/pinctrl-rk3399.c index 82c8feeb7b..68bb492a6b 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3399.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3399.c @@ -98,10 +98,6 @@ static void rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, *reg = RK3399_PULL_PMU_OFFSET;
*reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE; - - *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4); - *bit = pin_num % ROCKCHIP_PULL_PINS_PER_REG; - *bit *= ROCKCHIP_PULL_BITS_PER_PIN; } else { *regmap = priv->regmap_base; *reg = RK3399_PULL_GRF_OFFSET; @@ -109,11 +105,39 @@ static void rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, /* correct the offset, as we're starting with the 3rd bank */ *reg -= 0x20; *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE; - *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4); + } + + *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4); + + *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG); + *bit *= ROCKCHIP_PULL_BITS_PER_PIN; +} + +static int rk3399_set_pull(struct rockchip_pin_bank *bank, + int pin_num, int pull) +{ + struct regmap *regmap; + int reg, ret; + u8 bit, type; + u32 data;
- *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG); - *bit *= ROCKCHIP_PULL_BITS_PER_PIN; + if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) + return -ENOTSUPP; + + rk3399_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); + type = bank->pull_type[pin_num / 8]; + ret = rockchip_translate_pull_value(type, pull); + if (ret < 0) { + debug("unsupported pull setting %d\n", pull); + return ret; } + + /* enable the write to the equivalent lower bits */ + data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); + data |= (ret << bit); + ret = regmap_write(regmap, reg, data); + + return ret; }
static void rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, @@ -275,7 +299,7 @@ static struct rockchip_pin_ctrl rk3399_pin_ctrl = { .iomux_routes = rk3399_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3399_mux_route_data), .set_mux = rk3399_set_mux, - .pull_calc_reg = rk3399_calc_pull_reg_and_bit, + .set_pull = rk3399_set_pull, .set_drive = rk3399_set_drive, };
diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c index 439e8ba1b5..b3379a0d3f 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c +++ b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c @@ -270,61 +270,35 @@ static int rockchip_pull_list[PULL_TYPE_MAX][4] = { }, };
+int rockchip_translate_pull_value(int type, int pull) +{ + int i, ret; + + ret = -EINVAL; + for (i = 0; i < ARRAY_SIZE(rockchip_pull_list[type]); + i++) { + if (rockchip_pull_list[type][i] == pull) { + ret = i; + break; + } + } + + return ret; +} + static int rockchip_set_pull(struct rockchip_pin_bank *bank, int pin_num, int pull) { struct rockchip_pinctrl_priv *priv = bank->priv; struct rockchip_pin_ctrl *ctrl = priv->ctrl; - struct regmap *regmap; - int reg, ret, i, pull_type; - u8 bit; - u32 data;
debug("setting pull of GPIO%d-%d to %d\n", bank->bank_num, pin_num, pull);
- ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit); - - switch (ctrl->type) { - case RK3036: - case RK3128: - data = BIT(bit + 16); - if (pull == PIN_CONFIG_BIAS_DISABLE) - data |= BIT(bit); - ret = regmap_write(regmap, reg, data); - break; - case RV1108: - case RK3188: - case RK3288: - case RK3368: - case RK3399: - pull_type = bank->pull_type[pin_num / 8]; - ret = -EINVAL; - for (i = 0; i < ARRAY_SIZE(rockchip_pull_list[pull_type]); - i++) { - if (rockchip_pull_list[pull_type][i] == pull) { - ret = i; - break; - } - } - - if (ret < 0) { - debug("unsupported pull setting %d\n", pull); - return ret; - } - - /* enable the write to the equivalent lower bits */ - data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); - data |= (ret << bit); - - ret = regmap_write(regmap, reg, data); - break; - default: - debug("unsupported pinctrl type\n"); - return -EINVAL; - } + if (!ctrl->set_pull) + return -ENOTSUPP;
- return ret; + return ctrl->set_pull(bank, pin_num, pull); }
static int rockchip_set_schmitt(struct rockchip_pin_bank *bank, @@ -350,28 +324,6 @@ static int rockchip_set_schmitt(struct rockchip_pin_bank *bank, return regmap_write(regmap, reg, data); }
-/* - * Pinconf_ops handling - */ -static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, - unsigned int pull) -{ - switch (ctrl->type) { - case RK3036: - case RK3128: - return (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT || - pull == PIN_CONFIG_BIAS_DISABLE); - case RV1108: - case RK3188: - case RK3288: - case RK3368: - case RK3399: - return (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT); - } - - return false; -} - /* set the pin config settings for a specified pin */ static int rockchip_pinconf_set(struct rockchip_pin_bank *bank, u32 pin, u32 param, u32 arg) @@ -382,21 +334,10 @@ static int rockchip_pinconf_set(struct rockchip_pin_bank *bank,
switch (param) { case PIN_CONFIG_BIAS_DISABLE: - rc = rockchip_set_pull(bank, pin, param); - if (rc) - return rc; - break; - case PIN_CONFIG_BIAS_PULL_UP: case PIN_CONFIG_BIAS_PULL_DOWN: case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT: case PIN_CONFIG_BIAS_BUS_HOLD: - if (!rockchip_pinconf_pull_valid(ctrl, param)) - return -ENOTSUPP; - - if (!arg) - return -EINVAL; - rc = rockchip_set_pull(bank, pin, param); if (rc) return rc; diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip.h b/drivers/pinctrl/rockchip/pinctrl-rockchip.h index 2ef24dce6c..c21b79602c 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rockchip.h +++ b/drivers/pinctrl/rockchip/pinctrl-rockchip.h @@ -279,10 +279,8 @@ struct rockchip_pin_ctrl {
int (*set_mux)(struct rockchip_pin_bank *bank, int pin, int mux); - - void (*pull_calc_reg)(struct rockchip_pin_bank *bank, - int pin_num, struct regmap **regmap, - int *reg, u8 *bit); + int (*set_pull)(struct rockchip_pin_bank *bank, + int pin_num, int pull); int (*set_drive)(struct rockchip_pin_bank *bank, int pin_num, int strength); int (*schmitt_calc_reg)(struct rockchip_pin_bank *bank, @@ -306,5 +304,6 @@ bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin, int mux, u32 *reg, u32 *value); int rockchip_get_mux_data(int mux_type, int pin, u8 *bit, int *mask); int rockchip_translate_drive_value(int type, int strength); +int rockchip_translate_pull_value(int type, int pull);
#endif /* __DRIVERS_PINCTRL_ROCKCHIP_H */ diff --git a/drivers/pinctrl/rockchip/pinctrl-rv1108.c b/drivers/pinctrl/rockchip/pinctrl-rv1108.c index 1a150ff0f1..6456483e36 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rv1108.c +++ b/drivers/pinctrl/rockchip/pinctrl-rv1108.c @@ -128,6 +128,34 @@ static void rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, *bit *= ROCKCHIP_PULL_BITS_PER_PIN; }
+static int rv1108_set_pull(struct rockchip_pin_bank *bank, + int pin_num, int pull) +{ + struct regmap *regmap; + int reg, ret; + u8 bit, type; + u32 data; + + if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) + return -ENOTSUPP; + + rv1108_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); + type = bank->pull_type[pin_num / 8]; + ret = rockchip_translate_pull_value(type, pull); + if (ret < 0) { + debug("unsupported pull setting %d\n", pull); + return ret; + } + + /* enable the write to the equivalent lower bits */ + data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); + + data |= (ret << bit); + ret = regmap_write(regmap, reg, data); + + return ret; +} + #define RV1108_DRV_PMU_OFFSET 0x20 #define RV1108_DRV_GRF_OFFSET 0x210
@@ -229,7 +257,7 @@ static struct rockchip_pin_ctrl rv1108_pin_ctrl = { .iomux_recalced = rv1108_mux_recalced_data, .niomux_recalced = ARRAY_SIZE(rv1108_mux_recalced_data), .set_mux = rv1108_set_mux, - .pull_calc_reg = rv1108_calc_pull_reg_and_bit, + .set_pull = rv1108_set_pull, .set_drive = rv1108_set_drive, .schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit, };