[PATCH V3] arm64: dts: r8a77990: ebisu: Add and enable SDHI device nodes

Geert Uytterhoeven
2018-11-20T10:16:00Z

Hi Marek,

On Tue, Nov 6, 2018 at 9:46 PM Marek Vasut <marek.vasut@gmail.com> wrote:
> From: Takeshi Kihara <takeshi.kihara.df@renesas.com>
>
> This patch adds SDHI{0,1,3} device nodes for the r8a77990 SoC
> and enables SD card slot connected to SDHI0, micro SD card slot
> connected to SDHI1 and eMMC connected to SDHI3 on the Ebisu board
> using the R8A77990 SoC.
>
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

> --- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
> @@ -129,6 +129,15 @@
> };
> };
>
> + reg_1p8v: regulator0 {
> + compatible = "regulator-fixed";
> + regulator-name = "fixed-1.8V";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> reg_3p3v: regulator1 {
> compatible = "regulator-fixed";
> regulator-name = "fixed-3.3V";
> @@ -180,6 +189,54 @@
> #clock-cells = <0>;
> clock-frequency = <74250000>;
> };
> +
> + vcc_sdhi0: regulator-vcc-sdhi0 {
> + compatible = "regulator-fixed";
> +
> + regulator-name = "SDHI0 Vcc";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpio = <&gpio5 17 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 18 GPIO_ACTIVE_HIGH>;
> + gpios-states = <1>;
> + states = <3300000 1
> + 1800000 0>;

I know this is how it's done in the example in
Documentation/devicetree/bindings/regulator/gpio-regulator.txt,
but usually brackets are used to group tuples, like:

states = <3300000 1>, <1800000 0>;

Perhaps the example should be changed?

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds