On Thu, Nov 03, 2016 at 09:07:51PM +0300, Vladimir Barinov wrote:
> This supports SDHI0 on M3ULCB board SD card slot
Is SDHI3 also exposed on the M3ULCB?
If so could you consider sending patches to enable it?
> Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts | 48 ++++++++++++++++++++++++++
> 1 file changed, 48 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts
> index 3329f78..5be0cf6 100644
> --- a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts
> @@ -44,6 +44,30 @@
> gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
> };
> };
> +
> + vcc_sdhi0: regulator-vcc-sdhi0 {
> + compatible = "regulator-fixed";
> +
> + regulator-name = "SDHI0 Vcc";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + vccq_sdhi0: regulator-vccq-sdhi0 {
> + compatible = "regulator-gpio";
> +
> + regulator-name = "SDHI0 VccQ";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
> + gpios-states = <1>;
> + states = <3300000 1
> + 1800000 0>;
> + };
> };
>
> &extal_clk {
> @@ -68,8 +92,33 @@
> groups = "scif_clk_a";
> function = "scif_clk";
> };
> +
> + sdhi0_pins_3v3: sd0_3v3 {
> + groups = "sdhi0_data4", "sdhi0_ctrl";
> + function = "sdhi0";
> + power-source = <3300>;
> + };
> +
> + sdhi0_pins_1v8: sd0_1v8 {
> + groups = "sdhi0_data4", "sdhi0_ctrl";
> + function = "sdhi0";
> + power-source = <1800>;
> + };
I would prefer the pin nodes to be named as follows:
sdhi0_pins_3v3 -> sdhi0_pins_3v3
sdhi0_pins_1v8 -> sdhi0_pins_uhs
Likewise for SDHI2.
> };
>
> +&sdhi0 {
> + pinctrl-0 = <&sdhi0_pins_3v3>;
> + pinctrl-1 = <&sdhi0_pins_1v8>;
> + pinctrl-names = "default", "state_uhs";
> +
> + vmmc-supply = <&vcc_sdhi0>;
> + vqmmc-supply = <&vccq_sdhi0>;
> + cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
> + bus-width = <4>;
> + sd-uhs-sdr50;
> + status = "okay";
> +};
> +
> &scif2 {
> pinctrl-0 = <&scif2_pins>;
> pinctrl-names = "default";
> --
> 1.9.1
>
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