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authorLucas Stach <dev@lynxeye.de>2016-06-30 17:32:08 +0200
committerOlof Johansson <olof@lixom.net>2016-07-06 22:21:40 -0700
commit5eb495349f5ec3b134f7341a2450392fc86d99d0 (patch)
treecec7e710004a0ea8e48bcac99f9bac5451566cbf /arch
parent3867b228d6aed0e916d8d36119b465cb1946bb32 (diff)
downloadlinux-5eb495349f5ec3b134f7341a2450392fc86d99d0.tar.gz
linux-5eb495349f5ec3b134f7341a2450392fc86d99d0.tar.xz
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: Lucas Stach <dev@lynxeye.de> Acked-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/tegra30-beaver.dts3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index 1eca3b2..b6da15d 100644
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -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>;