Re: [PATCH 1/5] pinctrl: pfc: r8a7790: add i2c0 muxing

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Wolfram,

Thank you for the patch.

On Tuesday 11 March 2014 22:24:34 Wolfram Sang wrote:
> From: Wolfram Sang <wsa@sang-engineering.com>
> 
> Add the muxing for the last missing i2c rcar core.
> 
> Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> ---
>  drivers/pinctrl/sh-pfc/pfc-r8a7790.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
> b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c index c381ae63c508..bd21022cf9bf
> 100644
> --- a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
> +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
> @@ -782,6 +782,7 @@ enum {
>  	USB1_PWEN_MARK, AUDIO_CLKOUT_D_MARK, USB1_OVC_MARK,
>  	TCLK1_B_MARK,
> 
> +	I2C0_SCL_MARK, I2C0_SDA_MARK,
>  	I2C3_SCL_MARK, I2C3_SDA_MARK,
>  	PINMUX_MARK_END,
>  };
> @@ -1722,6 +1723,9 @@ static const u16 pinmux_data[] = {
>  	PINMUX_IPSR_DATA(IP16_7, USB1_OVC),
>  	PINMUX_IPSR_MODSEL_DATA(IP16_7, TCLK1_B, SEL_TMU1_1),
> 
> +	PINMUX_DATA(I2C0_SCL_MARK, FN_SEL_IIC0_1),
> +	PINMUX_DATA(I2C0_SDA_MARK, FN_SEL_IIC0_1),
> +
>  	PINMUX_DATA(I2C3_SCL_MARK, FN_SEL_IICDVFS_1),
>  	PINMUX_DATA(I2C3_SDA_MARK, FN_SEL_IICDVFS_1),
>  };
> @@ -1735,6 +1739,8 @@ static const struct sh_pfc_pin pinmux_pins[] = {
>  	PINMUX_GPIO_GP_ALL(),
> 
>  	/* Pins not associated with a GPIO port */
> +	SH_PFC_PIN_NAMED(ROW_GROUP_A('G'), 15, AG15),
> +	SH_PFC_PIN_NAMED(ROW_GROUP_A('F'), 15, AF15),

I would swap those two lines to keep pin entries sorted alphabetically.

>  	SH_PFC_PIN_NAMED(ROW_GROUP_A('J'), 15, AJ15),
>  	SH_PFC_PIN_NAMED(ROW_GROUP_A('H'), 15, AH15),

I realize that those two lines should be swapped as well. You could do so in 
the same patch.

>  };
> @@ -2054,6 +2060,14 @@ static const unsigned int hscif1_ctrl_b_pins[] = {
>  static const unsigned int hscif1_ctrl_b_mux[] = {
>  	HRTS1_N_B_MARK, HCTS1_N_B_MARK,
>  };
> +/* - I2C0
> ------------------------------------------------------------------- */
> +static const unsigned int i2c0_pins[] = {
> +	/* SCL, SDA */
> +	PIN_A_NUMBER('G', 15), PIN_A_NUMBER('F', 15),
> +};
> +static const unsigned int i2c0_mux[] = {
> +	I2C0_SCL_MARK, I2C0_SDA_MARK,
> +};
>  /* - I2C1
> ------------------------------------------------------------------- */
> static const unsigned int i2c1_pins[] = {
>  	/* SCL, SDA */
> @@ -3626,6 +3640,7 @@ static const struct sh_pfc_pin_group pinmux_groups[] > { SH_PFC_PIN_GROUP(hscif1_data_b),
>  	SH_PFC_PIN_GROUP(hscif1_clk_b),
>  	SH_PFC_PIN_GROUP(hscif1_ctrl_b),
> +	SH_PFC_PIN_GROUP(i2c0),
>  	SH_PFC_PIN_GROUP(i2c1),
>  	SH_PFC_PIN_GROUP(i2c1_b),
>  	SH_PFC_PIN_GROUP(i2c1_c),
> @@ -3895,6 +3910,10 @@ static const char * const hscif1_groups[] = {
>  	"hscif1_ctrl_b",
>  };
> 
> +static const char * const i2c0_groups[] = {
> +	"i2c0",
> +};
> +
>  static const char * const i2c1_groups[] = {
>  	"i2c1",
>  	"i2c1_b",
> @@ -4203,6 +4222,7 @@ static const struct sh_pfc_function pinmux_functions[]
> = { SH_PFC_FUNCTION(eth),
>  	SH_PFC_FUNCTION(hscif0),
>  	SH_PFC_FUNCTION(hscif1),
> +	SH_PFC_FUNCTION(i2c0),
>  	SH_PFC_FUNCTION(i2c1),
>  	SH_PFC_FUNCTION(i2c2),
>  	SH_PFC_FUNCTION(i2c3),

-- 
Regards,

Laurent Pinchart