Create regulator for VDD_3V3_SD and add it to SDMMC1. When vmmc-supply is
undefined the initialization sequence specified in aliases is disregarded.
Signed-off-by: Tamás Szűcs <tszucs@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 31b5f00a7547..604a2c8a7478 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -78,6 +78,8 @@
bus-width = <4>;
cd-gpios = <&gpio TEGRA194_MAIN_GPIO(G, 7) GPIO_ACTIVE_LOW>;
disable-wp;
+
+ vmmc-supply = <&vdd_3v3_sd>;
};
/* SDMMC4 (eMMC) */
@@ -356,4 +358,14 @@
gpio = <&gpio TEGRA194_MAIN_GPIO(Z, 1) GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ vdd_3v3_sd: regulator@5 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_3V3_SD";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio TEGRA194_MAIN_GPIO(A, 0) GPIO_ACTIVE_HIGH>;
+ regulator-boot-on;
+ enable-active-high;
+ };
};
--
2.20.1
