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arm64: tegra: p2597: Add SDMMC power supplies

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Add power supplies for the SD/MMC card slot. Note that vmmc-supply is
currently restricted to 3.3 V because we don't support switching the
mode yet.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2016-03-04 15:26:47 +01:00
parent 7793426943
commit 6d5aef5b95
1 changed files with 17 additions and 0 deletions
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17
arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi
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@@ -1268,6 +1268,9 @@
no-1-8-v;
cd-gpios = <&gpio TEGRA_GPIO(Z, 1) GPIO_ACTIVE_LOW>;
vqmmc-supply = <&vddio_sdmmc>;
vmmc-supply = <&vdd_3v3_sd>;
};
regulators {
@@ -1323,6 +1326,20 @@
regulator-always-on;
regulator-boot-on;
};
vdd_3v3_sd: regulator@4 {
compatible = "regulator-fixed";
reg = <4>;
regulator-name = "VDD_3V3_SD";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio TEGRA_GPIO(Z, 4) GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_3v3_sys>;
regulator-enable-ramp-delay = <472>;
regulator-disable-ramp-delay = <4880>;
};
};
gpio-keys {