On Thu, Mar 26, 2015 at 05:38:25PM +0000, Ben Dooks wrote:
> Add gpio regulator for vmmc0 and attach the vmmc for it to the mmc0
> node on the SAM5D3 Xplained board. This will remove the following
> warning from the kernel:
>
> atmel_mci f0000000.mmc: No vmmc regulator found
>
> Note, atmel_defconfig will need gpio regulator support enabled if this
> is to be used properly.
>
> Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
> --
> CC: Andrew Victor <linux@xxxxxxxxxxxx>
> CC: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
> CC: Jean-Christophe Plagniol-Villard <plagnioj@xxxxxxxxxxxx>
> CC: Rob Herring <robh+dt@xxxxxxxxxx>
> CC: Pawel Moll <pawel.moll@xxxxxxx>
> CC: Mark Rutland <mark.rutland@xxxxxxx>
> CC: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
> CC: Kumar Gala <galak@xxxxxxxxxxxxxx>
> CC: Russell King <linux@xxxxxxxxxxxxxxxx>
> CC: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> CC: devicetree@xxxxxxxxxxxxxxx
> ---
> arch/arm/boot/dts/at91-sama5d3_xplained.dts | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
> index 1eb150d..6b6ad5c 100644
> --- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
> @@ -36,6 +36,7 @@
> mmc0: mmc@f0000000 {
> pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_dat4_7 &pinctrl_mmc0_cd>;
> status = "okay";
> + vmmc-supply = <&vcc_mmc0_reg>;
> vqmmc-supply = <&vcc_3v3_reg>;
> slot@0 {
> reg = <0>;
> @@ -285,6 +286,14 @@
> };
> };
>
> + vcc_mmc0_reg: regulator@1 {
> + compatible = "regualtor-gpio";
typo here and I think it is a fixed regulator and not a gpio one since
we can't configure voltage.
> + gpio = <&pioE 2 GPIO_ACTIVE_LOW>;
> + regulator-name = "mmc0-card-supply";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> gpio_keys {
> compatible = "gpio-keys";
>
> --
> 2.1.4
>
>
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