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

Kever Yang kever.yang at rock-chips.com
Tue May 7 03:44:34 UTC 2019



On 04/16/2019 09:58 PM, David Wu wrote:
> 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>

Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>
> 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[] = {





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