[PATCH] arm64: dts: marvell: armada-3720-espressobin: Add vqmmc regulator for SD slot

[Miquel RAYNAL]

Hi,

On Sat, 29 Jul 2017 12:44:11 +0200
Sean Nyekjaer <sean at nyekjaer.dk> wrote:

> By adding this regulator, the SD cards are usable at higher speed
> protocols such as SDR104.
> 
> This patch was tested with an SDHC card compatible with UHS-I.
> 
> Signed-off-by: Sean Nyekjaer <sean at nyekjaer.dk>

The patch does the job, but does not apply as is.

Tested-by: Miquel Raynal <miquel.raynal at free-electrons.com>

Regards,
Miquèl

> ---
> 
> This patch depends on "[PATCH] arm64: dts: marvell: Add microsd card
> definition for the ESPRESSObin"
> 
>  arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts | 15
> ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
> b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts index
> 2dadd77e08eb..d5ab5b47f8d4 100644 ---
> a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts +++
> b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts @@ -60,6
> +60,19 @@ device_type = "memory";
>  		reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
>  	};
> +
> +	vcc_sd_reg1: regulator {
> +		compatible = "regulator-gpio";
> +		regulator-name= "vcc_sd1";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
> +		gpios-states = <0>;
> +		states = <1800000 0x1
> +			  3300000 0x0>;
> +		enable-active-high;
> +	};
>  };
>  
>  /* J9 */
> @@ -82,7 +95,7 @@
>  	wp-inverted;
>  	bus-width = <4>;
>  	cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
> -	no-1-8-v;
> +	vqmmc-supply = <&vcc_sd_reg1>;
>  	marvell,pad-type = "sd";
>  	status = "okay";
>  };



-- 
Miquel Raynal, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com