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pinctrl: rockchip: Also move common set_schmitter func into per Soc file

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

Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
David Wu 2019-04-16 21:58:13 +08:00 • committed by Kever Yang
parent 623aca8830
commit 79d16e4540
4 changed files with 37 additions and 21 deletions
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17
drivers/pinctrl/rockchip/pinctrl-rk3328.c
View file

@ -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[] = {

19
drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
View file

@ -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;
if (!ctrl->set_schmitt)
return -ENOTSUPP;
/* enable the write to the equivalent lower bits */
data = BIT(bit + 16) | (enable << bit);
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;

5
drivers/pinctrl/rockchip/pinctrl-rockchip.h
View file

@ -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);
};
/**

17
drivers/pinctrl/rockchip/pinctrl-rv1108.c
View file

@ -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[] = {