Commit 5eb49534 authored by Lucas Stach's avatar Lucas Stach Committed by Olof Johansson
Browse files

ARM: tegra: beaver: Allow SD card voltage to be changed 



This allows to switch the card signal voltage level to 1.8 V, which is
needed for any ultra high speed modes to work.

Signed-off-by: default avatarLucas Stach <dev@lynxeye.de>
Acked-by: default avatarJon Hunter <jonathanh@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent 3867b228

arch/arm/boot/dts/tegra30-beaver.dts

+2 −1
Original line number Diff line number Diff line
@@ -1843,7 +1843,7 @@ 


				ldo5_reg: ldo5 {

					regulator-name = "vddio_sdmmc,avdd_vdac";

					regulator-min-microvolt = <3300000>;

					regulator-min-microvolt = <1800000>;

					regulator-max-microvolt = <3300000>;

					regulator-always-on;

				};
@@ -1914,6 +1914,7 @@ 


	sdhci@78000000 {

		status = "okay";

		vqmmc-supply = <&ldo5_reg>;

		cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;

		wp-gpios = <&gpio TEGRA_GPIO(T, 3) GPIO_ACTIVE_HIGH>;

		power-gpios = <&gpio TEGRA_GPIO(D, 7) GPIO_ACTIVE_HIGH>;

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