[PATCH 3/3] ARM: at91/dt: sama5d3 add gpio regulator for vmmc0

[Ludovic Desroches]

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 at codethink.co.uk>
> --
> CC: Andrew Victor <linux at maxim.org.za>
> CC: Nicolas Ferre <nicolas.ferre at atmel.com>
> CC: Jean-Christophe Plagniol-Villard <plagnioj at jcrosoft.com>
> CC: Rob Herring <robh+dt at kernel.org>
> CC: Pawel Moll <pawel.moll at arm.com>
> CC: Mark Rutland <mark.rutland at arm.com>
> CC: Ian Campbell <ijc+devicetree at hellion.org.uk>
> CC: Kumar Gala <galak at codeaurora.org>
> CC: Russell King <linux at arm.linux.org.uk>
> CC: linux-arm-kernel at lists.infradead.org
> CC: devicetree at vger.kernel.org
> ---
>  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 at 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 at 0 {
>  					reg = <0>;
> @@ -285,6 +286,14 @@
>  		};
>  	};
>  
> +	vcc_mmc0_reg: regulator at 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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