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path: root/drivers/pinctrl/rockchip/pinctrl-rk3188.c
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Diffstat (limited to 'drivers/pinctrl/rockchip/pinctrl-rk3188.c')
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk3188.c29
1 files changed, 28 insertions, 1 deletions
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, &regmap, &reg, &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[] = {