From 6d5aef5b9517974a181d06b0bed4bc66b32f3660 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Fri, 4 Mar 2016 15:26:47 +0100 Subject: [PATCH] arm64: tegra: p2597: Add SDMMC power supplies 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 --- arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi index 27bb835d6bcb..b28aff5e104d 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi @@ -1268,6 +1268,9 @@ sdhci@700b0000 { 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 @@ vdd_5v0_io: regulator@3 { 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 { -- 2.45.2