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

Miquel RAYNAL
2017-08-02T17:34:40Z

Hi,

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

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

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

Regards,
Miqu?l

> ---
>
> 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