diff options
Diffstat (limited to 'drivers/pinctrl/rockchip/pinctrl-rk3328.c')
| -rw-r--r-- | drivers/pinctrl/rockchip/pinctrl-rk3328.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3328.c b/drivers/pinctrl/rockchip/pinctrl-rk3328.c index d4d37af206..8d37a6f945 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rk3328.c +++ b/drivers/pinctrl/rockchip/pinctrl-rk3328.c @@ -264,6 +264,21 @@ static int rk3328_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, return 0; } +static int rk3328_set_schmitt(struct rockchip_pin_bank *bank, + int pin_num, int enable) +{ + struct regmap *regmap; + int reg; + u8 bit; + u32 data; + + rk3328_calc_schmitt_reg_and_bit(bank, pin_num, ®map, ®, &bit); + /* enable the write to the equivalent lower bits */ + data = BIT(bit + 16) | (enable << bit); + + return regmap_write(regmap, reg, data); +} + static struct rockchip_pin_bank rk3328_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0), PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0), @@ -289,7 +304,7 @@ static struct rockchip_pin_ctrl rk3328_pin_ctrl = { .set_mux = rk3328_set_mux, .set_pull = rk3328_set_pull, .set_drive = rk3328_set_drive, - .schmitt_calc_reg = rk3328_calc_schmitt_reg_and_bit, + .set_schmitt = rk3328_set_schmitt, }; static const struct udevice_id rk3328_pinctrl_ids[] = { |