[PATCH v2] pinctrl: qcom: add support for EBI2

[Bjorn Andersson]

On Fri 01 Jul 16:56 PDT 2016, Linus Walleij wrote:

> Add support to mux in the second external bus interface as
> follows:
> 
> - CS1 and CS2 on GPIO39 and GPIO40 as func 2
> - ADDR_7 thru ADDR_0 on GPIO123 thru GPIO130 as func 1
> - CS4, CS3 and CS0 on GPIO132, GPIO133, GPIO134 as func 1
> - DATA_15 thru DATA_0 on GPIO135 thru GPIO150 as func 1
> - OE on GPIO151 as func 1
> - ADV on GPIO153 as func 1
> - WE on GPIO157 as func 1
> 
> This external bus is used on the APQ8060 Dragonboard to connect
> an external SMSC9211 ethernet adapter, but there are many other
> usecases for the EBI2.
> 
> Cc: Stephen Boyd <sboyd at codeaurora.org>
> Cc: Bjorn Andersson <bjorn.andersson at linaro.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson at linaro.org>

Regards,
Bjorn

> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> ---
> ChangeLog v1->v2:
> - Pick out the exact right pin assignments from the old codebase.
> ---
>  drivers/pinctrl/qcom/pinctrl-msm8660.c | 72 +++++++++++++++++++---------------
>  1 file changed, 41 insertions(+), 31 deletions(-)
> 
> diff --git a/drivers/pinctrl/qcom/pinctrl-msm8660.c b/drivers/pinctrl/qcom/pinctrl-msm8660.c
> index 3e8f7ac2ac8a..debc90101553 100644
> --- a/drivers/pinctrl/qcom/pinctrl-msm8660.c
> +++ b/drivers/pinctrl/qcom/pinctrl-msm8660.c
> @@ -506,6 +506,7 @@ enum msm8660_functions {
>  	MSM_MUX_usb_fs2_oe_n,
>  	MSM_MUX_vfe,
>  	MSM_MUX_vsens_alarm,
> +	MSM_MUX_ebi2,
>  	MSM_MUX__,
>  };
>  
> @@ -696,6 +697,14 @@ static const char * const vfe_groups[] = {
>  static const char * const vsens_alarm_groups[] = {
>  	"gpio127"
>  };
> +static const char * const ebi2_groups[] = {
> +	"gpio39", "gpio40", "gpio123", "gpio124", "gpio125", "gpio126",
> +	"gpio127", "gpio128", "gpio129", "gpio130", "gpio132", "gpio133",
> +	"gpio134", "gpio135", "gpio136", "gpio137", "gpio138", "gpio139"
> +	"gpio140", "gpio141", "gpio142", "gpio143", "gpio144", "gpio145",
> +	"gpio146", "gpio147", "gpio148", "gpio149", "gpio150", "gpio151",
> +	"gpio153", "gpio157"
> +};
>  
>  static const struct msm_function msm8660_functions[] = {
>  	FUNCTION(gpio),
> @@ -749,6 +758,7 @@ static const struct msm_function msm8660_functions[] = {
>  	FUNCTION(usb_fs2_oe_n),
>  	FUNCTION(vfe),
>  	FUNCTION(vsens_alarm),
> +	FUNCTION(ebi2),
>  };
>  
>  static const struct msm_pingroup msm8660_groups[] = {
> @@ -791,8 +801,8 @@ static const struct msm_pingroup msm8660_groups[] = {
>  	PINGROUP(36, gsbi1, _, _, _, _, _, _),
>  	PINGROUP(37, gsbi2, _, _, _, _, _, _),
>  	PINGROUP(38, gsbi2, _, _, _, _, _, _),
> -	PINGROUP(39, gsbi2, _, mdp_vsync, _, _, _, _),
> -	PINGROUP(40, gsbi2, _, _, _, _, _, _),
> +	PINGROUP(39, gsbi2, ebi2, mdp_vsync, _, _, _, _),
> +	PINGROUP(40, gsbi2, ebi2, _, _, _, _, _),
>  	PINGROUP(41, gsbi3, mdp_vsync, _, _, _, _, _),
>  	PINGROUP(42, gsbi3, vfe, _, _, _, _, _),
>  	PINGROUP(43, gsbi3, _, _, _, _, _, _),
> @@ -875,41 +885,41 @@ static const struct msm_pingroup msm8660_groups[] = {
>  	PINGROUP(120, i2s, _, _, _, _, _, _),
>  	PINGROUP(121, i2s, _, _, _, _, _, _),
>  	PINGROUP(122, i2s, gp_clk_1b, _, _, _, _, _),
> -	PINGROUP(123, _, gsbi2_spi_cs1_n, _, _, _, _, _),
> -	PINGROUP(124, _, gsbi2_spi_cs2_n, _, _, _, _, _),
> -	PINGROUP(125, _, gsbi2_spi_cs3_n, _, _, _, _, _),
> -	PINGROUP(126, _, _, _, _, _, _, _),
> -	PINGROUP(127, _, vsens_alarm, _, _, _, _, _),
> -	PINGROUP(128, _, _, _, _, _, _, _),
> -	PINGROUP(129, _, _, _, _, _, _, _),
> -	PINGROUP(130, _, _, _, _, _, _, _),
> +	PINGROUP(123, ebi2, gsbi2_spi_cs1_n, _, _, _, _, _),
> +	PINGROUP(124, ebi2, gsbi2_spi_cs2_n, _, _, _, _, _),
> +	PINGROUP(125, ebi2, gsbi2_spi_cs3_n, _, _, _, _, _),
> +	PINGROUP(126, ebi2, _, _, _, _, _, _),
> +	PINGROUP(127, ebi2, vsens_alarm, _, _, _, _, _),
> +	PINGROUP(128, ebi2, _, _, _, _, _, _),
> +	PINGROUP(129, ebi2, _, _, _, _, _, _),
> +	PINGROUP(130, ebi2, _, _, _, _, _, _),
>  	PINGROUP(131, _, _, _, _, _, _, _),
> -	PINGROUP(132, _, _, _, _, _, _, _),
> -	PINGROUP(133, _, _, _, _, _, _, _),
> +	PINGROUP(132, ebi2, _, _, _, _, _, _),
> +	PINGROUP(133, ebi2, _, _, _, _, _, _),
>  	PINGROUP(134, _, _, _, _, _, _, _),
> -	PINGROUP(135, _, _, _, _, _, _, _),
> -	PINGROUP(136, _, _, _, _, _, _, _),
> -	PINGROUP(137, _, _, _, _, _, _, _),
> -	PINGROUP(138, _, _, _, _, _, _, _),
> -	PINGROUP(139, _, _, _, _, _, _, _),
> -	PINGROUP(140, _, _, _, _, _, _, _),
> -	PINGROUP(141, _, _, _, _, _, _, _),
> -	PINGROUP(142, _, _, _, _, _, _, _),
> -	PINGROUP(143, _, sdc2, _, _, _, _, _),
> -	PINGROUP(144, _, sdc2, _, _, _, _, _),
> -	PINGROUP(145, _, sdc2, _, _, _, _, _),
> -	PINGROUP(146, _, sdc2, _, _, _, _, _),
> -	PINGROUP(147, _, sdc2, _, _, _, _, _),
> -	PINGROUP(148, _, sdc2, _, _, _, _, _),
> -	PINGROUP(149, _, sdc2, _, _, _, _, _),
> -	PINGROUP(150, _, sdc2, _, _, _, _, _),
> -	PINGROUP(151, _, sdc2, _, _, _, _, _),
> +	PINGROUP(135, ebi2, _, _, _, _, _, _),
> +	PINGROUP(136, ebi2, _, _, _, _, _, _),
> +	PINGROUP(137, ebi2, _, _, _, _, _, _),
> +	PINGROUP(138, ebi2, _, _, _, _, _, _),
> +	PINGROUP(139, ebi2, _, _, _, _, _, _),
> +	PINGROUP(140, ebi2, _, _, _, _, _, _),
> +	PINGROUP(141, ebi2, _, _, _, _, _, _),
> +	PINGROUP(142, ebi2, _, _, _, _, _, _),
> +	PINGROUP(143, ebi2, sdc2, _, _, _, _, _),
> +	PINGROUP(144, ebi2, sdc2, _, _, _, _, _),
> +	PINGROUP(145, ebi2, sdc2, _, _, _, _, _),
> +	PINGROUP(146, ebi2, sdc2, _, _, _, _, _),
> +	PINGROUP(147, ebi2, sdc2, _, _, _, _, _),
> +	PINGROUP(148, ebi2, sdc2, _, _, _, _, _),
> +	PINGROUP(149, ebi2, sdc2, _, _, _, _, _),
> +	PINGROUP(150, ebi2, sdc2, _, _, _, _, _),
> +	PINGROUP(151, ebi2, sdc2, _, _, _, _, _),
>  	PINGROUP(152, _, sdc2, _, _, _, _, _),
> -	PINGROUP(153, _, _, _, _, _, _, _),
> +	PINGROUP(153, ebi2, _, _, _, _, _, _),
>  	PINGROUP(154, _, _, _, _, _, _, _),
>  	PINGROUP(155, _, _, _, _, _, _, _),
>  	PINGROUP(156, _, _, _, _, _, _, _),
> -	PINGROUP(157, _, _, _, _, _, _, _),
> +	PINGROUP(157, ebi2, _, _, _, _, _, _),
>  	PINGROUP(158, _, _, _, _, _, _, _),
>  	PINGROUP(159, sdc1, _, _, _, _, _, _),
>  	PINGROUP(160, sdc1, _, _, _, _, _, _),
> -- 
> 2.4.11
>