[U-Boot] [PATCH v3 10/10] pinctrl: rockchip: Also move common set_schmitter func into per Soc file

[David Wu]

Only some Soc need Schmitter feature, so move the
implementation into their own files.

Signed-off-by: David Wu <david.wu at rock-chips.com>
---

Change in v3:
- None

 drivers/pinctrl/rockchip/pinctrl-rk3328.c     | 17 ++++++++++++++++-
 .../pinctrl/rockchip/pinctrl-rockchip-core.c  | 19 +++----------------
 drivers/pinctrl/rockchip/pinctrl-rockchip.h   |  5 ++---
 drivers/pinctrl/rockchip/pinctrl-rv1108.c     | 17 ++++++++++++++++-
 4 files changed, 37 insertions(+), 21 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, &regmap, &reg, &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[] = {
diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
index b3379a0d3f..80dc431d20 100644
--- a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
+++ b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
@@ -306,30 +306,20 @@ static int rockchip_set_schmitt(struct rockchip_pin_bank *bank,
 {
 	struct rockchip_pinctrl_priv *priv = bank->priv;
 	struct rockchip_pin_ctrl *ctrl = priv->ctrl;
-	struct regmap *regmap;
-	int reg, ret;
-	u8 bit;
-	u32 data;
 
 	debug("setting input schmitt of GPIO%d-%d to %d\n", bank->bank_num,
 	      pin_num, enable);
 
-	ret = ctrl->schmitt_calc_reg(bank, pin_num, &regmap, &reg, &bit);
-	if (ret)
-		return ret;
-
-	/* enable the write to the equivalent lower bits */
-	data = BIT(bit + 16) | (enable << bit);
+	if (!ctrl->set_schmitt)
+		return -ENOTSUPP;
 
-	return regmap_write(regmap, reg, data);
+	return ctrl->set_schmitt(bank, pin_num, enable);
 }
 
 /* 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)
 {
-	struct rockchip_pinctrl_priv *priv = bank->priv;
-	struct rockchip_pin_ctrl *ctrl = priv->ctrl;
 	int rc;
 
 	switch (param) {
@@ -350,9 +340,6 @@ static int rockchip_pinconf_set(struct rockchip_pin_bank *bank,
 		break;
 
 	case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
-		if (!ctrl->schmitt_calc_reg)
-			return -ENOTSUPP;
-
 		rc = rockchip_set_schmitt(bank, pin, arg);
 		if (rc < 0)
 			return rc;
diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip.h b/drivers/pinctrl/rockchip/pinctrl-rockchip.h
index 1c6fc2c5b2..9651e9c7a6 100644
--- a/drivers/pinctrl/rockchip/pinctrl-rockchip.h
+++ b/drivers/pinctrl/rockchip/pinctrl-rockchip.h
@@ -271,9 +271,8 @@ struct rockchip_pin_ctrl {
 			    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,
-				    int pin_num, struct regmap **regmap,
-				    int *reg, u8 *bit);
+	int	(*set_schmitt)(struct rockchip_pin_bank *bank,
+			       int pin_num, int enable);
 };
 
 /**
diff --git a/drivers/pinctrl/rockchip/pinctrl-rv1108.c b/drivers/pinctrl/rockchip/pinctrl-rv1108.c
index 0bcf11bb41..54610a3e90 100644
--- a/drivers/pinctrl/rockchip/pinctrl-rv1108.c
+++ b/drivers/pinctrl/rockchip/pinctrl-rv1108.c
@@ -237,6 +237,21 @@ static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
 	return 0;
 }
 
+static int rv1108_set_schmitt(struct rockchip_pin_bank *bank,
+			      int pin_num, int enable)
+{
+	struct regmap *regmap;
+	int reg;
+	u8 bit;
+	u32 data;
+
+	rv1108_calc_schmitt_reg_and_bit(bank, pin_num, &regmap, &reg, &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 rv1108_pin_banks[] = {
 	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
 					     IOMUX_SOURCE_PMU,
@@ -257,7 +272,7 @@ static struct rockchip_pin_ctrl rv1108_pin_ctrl = {
 	.set_mux		= rv1108_set_mux,
 	.set_pull		= rv1108_set_pull,
 	.set_drive		= rv1108_set_drive,
-	.schmitt_calc_reg	= rv1108_calc_schmitt_reg_and_bit,
+	.set_schmitt		= rv1108_set_schmitt,
 };
 
 static const struct udevice_id rv1108_pinctrl_ids[] = {
-- 
2.19.1