Re: [PATCH 1/3] pinctrl: add ethernet pin groups to r8a7740

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

Hi Guennadi,

Thanks for the patch.

On Thursday 24 January 2013 17:07:31 Guennadi Liakhovetski wrote:
> r8a7740 SoCs have an integrated gigabit ethernet MAC. This patch adds two
> pin groups: base for 100mbps and additional pins for the gigabit mode.
> 
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
> ---
>  drivers/pinctrl/sh-pfc/pfc-r8a7740.c |   31 +++++++++++++++++++++++++++++++
> 1 files changed, 31 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
> b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c index 4c92af8..d7f69dd 100644
> --- a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
> +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
> @@ -2052,6 +2052,29 @@ static const unsigned int mmc0_ctrl_1_mux[] = {
>  	MMC1_CMD_PORT104_MARK, MMC1_CLK_PORT103_MARK,
>  };
> 
> +static const unsigned int eth_base_pins[] = {
> +	203, 204, 205, 206, 207,
> +	183, 184,
> +	185, 186, 187, 188,
> +	171, 170, 169, 168,
> +	161, 163, 164, 174,
> +};
> +static const unsigned int eth_base_mux[] = {
> +	ET_TX_ER_MARK, ET_RX_ER_MARK, ET_CRS_MARK, ET_MDC_MARK, ET_MDIO_MARK,
> +	ET_TX_EN_MARK, ET_TX_CLK_MARK,
> +	ET_ERXD0_MARK, ET_ERXD1_MARK, ET_ERXD2_MARK, ET_ERXD3_MARK,
> +	ET_ETXD0_MARK, ET_ETXD1_MARK, ET_ETXD2_MARK, ET_ETXD3_MARK,
> +	ET_RX_DV_MARK, ET_COL_MARK, ET_PHY_INT_MARK, ET_RX_CLK_MARK,
> +};
> +static const unsigned int eth_gbit_pins[] = {
> +	189, 190, 191, 192,
> +	167, 166, 173, 172,
> +};
> +static const unsigned int eth_gbit_mux[] = {
> +	ET_ERXD4_MARK, ET_ERXD5_MARK, ET_ERXD6_MARK, ET_ERXD7_MARK,
> +	ET_ETXD4_MARK, ET_ETXD5_MARK, ET_ETXD6_MARK, ET_ETXD7_MARK,
> +};
> +
>  static const struct sh_pfc_pin_group pinmux_groups[] = {
>  	SH_PFC_PIN_GROUP(lcd0_data8),
>  	SH_PFC_PIN_GROUP(lcd0_data9),
> @@ -2100,6 +2123,8 @@ static const struct sh_pfc_pin_group pinmux_groups[] > { SH_PFC_PIN_GROUP(mmc0_data4_1),
>  	SH_PFC_PIN_GROUP(mmc0_data8_1),
>  	SH_PFC_PIN_GROUP(mmc0_ctrl_1),
> +	SH_PFC_PIN_GROUP(eth_base),
> +	SH_PFC_PIN_GROUP(eth_gbit),
>  };
> 
>  static const char * const lcd0_groups[] = {
> @@ -2167,6 +2192,11 @@ static const char * const mmc0_groups[] = {
>  	"mmc0_ctrl_1",
>  };
> 
> +static const char * const eth_groups[] = {
> +	"eth_base",
> +	"eth_gbit",
> +};
> +

What about calling the groups mdio (for management), mii, gmii and rmii ? You 
can duplicate common pins in mii and gmii.

The WOL, GTK_CLK and LINK pins are missing BTW.

>  static const struct sh_pfc_function pinmux_functions[] = {
>  	SH_PFC_FUNCTION(lcd0),
>  	SH_PFC_FUNCTION(lcd1),
> @@ -2174,6 +2204,7 @@ static const struct sh_pfc_function pinmux_functions[]
> = { SH_PFC_FUNCTION(sdhi1),
>  	SH_PFC_FUNCTION(sdhi2),
>  	SH_PFC_FUNCTION(mmc0),
> +	SH_PFC_FUNCTION(eth),
>  };
> 
>  #define PINMUX_FN_BASE	ARRAY_SIZE(pinmux_pins)

-- 
Regards,

Laurent Pinchart