Re: [PATCH 13/14] ARM: dts: sun8i: enable mmc for H8Homlet Board.

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Hi,

On Sun, Jan 31, 2016 at 9:21 AM, Vishnu Patekar
<vishnupatekar0510@xxxxxxxxx> wrote:
> This enables mmc0.
>
> Signed-off-by: Vishnu Patekar <vishnupatekar0510@xxxxxxxxx>
> Tested-by: LABBE Corentin <clabbe.montjoie@xxxxxxxxx>
> ---
>  .../boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts    | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts b/arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts
> index 342e1d3..6c1f598 100644
> --- a/arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts
> +++ b/arch/arm/boot/dts/sun8i-a83t-allwinner-h8homlet-v2.dts
> @@ -43,6 +43,7 @@
>
>  /dts-v1/;
>  #include "sun8i-a83t.dtsi"
> +#include "sunxi-common-regulators.dtsi"
>
>  / {
>         model = "Allwinner A83T H8Homlet Proto Dev Board v2.0";
> @@ -57,6 +58,25 @@
>         };
>  };
>
> +&pio {
> +       mmc0_cd_pin_h8homlet: mmc0_cd_pin@0 {
> +               allwinner,pins = "PF6";
> +               allwinner,function = "gpio_in";
> +               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> +               allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
> +       };
> +};
> +

Please keep them alphabetically sorted.

> +&mmc0 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_h8homlet>;
> +       vmmc-supply = <&reg_vcc3v0>;

The board design says 3.3V, but stock firmware uses 3.0V. I guess both work.

> +       cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */
> +       bus-width = <4>;
> +       cd-inverted;
> +       status = "okay";
> +};
> +

There's also eMMC onboard. Have you tried that?


Thanks!
ChenYu


>  &uart0 {
>         pinctrl-names = "default";
>         pinctrl-0 = <&uart0_pins_b>;
> --
> 1.9.1
>
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