diff options
Diffstat (limited to 'drivers/pinctrl/rockchip/pinctrl-rk3036.c')
| -rw-r--r-- | drivers/pinctrl/rockchip/pinctrl-rk3036.c | 23 |
1 files changed, 22 insertions, 1 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[] = { |