[U-Boot] [PATCH 1/2] ARM: dts: dra7xx-evm: add evm_3v3_sd regulator

[Vignesh R]

Add a node for evm_3v3_sd using onboard PCF GPIO expander which feeds
on to mmc vdd.
Update mapping for vmmc-supply and vmmc_aux-supply.
evm_3v3_sd supplies to SD card vdd, and ldo1 to sdcard i/o lines.

Signed-off-by: Vignesh R <vigneshr at ti.com>
---
 arch/arm/dts/dra7-evm.dts  | 12 +++++++++++-
 arch/arm/dts/dra72-evm.dts | 12 +++++++++++-
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/dra7-evm.dts b/arch/arm/dts/dra7-evm.dts
index 06b7b367e4d5..fe755c05841d 100644
--- a/arch/arm/dts/dra7-evm.dts
+++ b/arch/arm/dts/dra7-evm.dts
@@ -24,6 +24,15 @@
 		reg = <0x80000000 0x60000000>; /* 1536 MB */
 	};
 
+	evm_3v3_sd: fixedregulator-sd {
+		compatible = "regulator-fixed";
+		regulator-name = "evm_3v3_sd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		enable-active-high;
+		gpio = <&pcf_gpio_21 5 GPIO_ACTIVE_HIGH>;
+	};
+
 	mmc2_3v3: fixedregulator-mmc2 {
 		compatible = "regulator-fixed";
 		regulator-name = "mmc2_3v3";
@@ -468,7 +477,8 @@
 
 &mmc1 {
 	status = "okay";
-	vmmc-supply = <&ldo1_reg>;
+	vmmc-supply = <&evm_3v3_sd>;
+	vmmc_aux-supply = <&ldo1_reg>;
 	bus-width = <4>;
 	/*
 	 * SDCD signal is not being used here - using the fact that GPIO mode
diff --git a/arch/arm/dts/dra72-evm.dts b/arch/arm/dts/dra72-evm.dts
index e78ec2e1859f..4ca37faa093c 100644
--- a/arch/arm/dts/dra72-evm.dts
+++ b/arch/arm/dts/dra72-evm.dts
@@ -35,6 +35,15 @@
 		regulator-max-microvolt = <3300000>;
 	};
 
+	evm_3v3_sd: fixedregulator-sd {
+		compatible = "regulator-fixed";
+		regulator-name = "evm_3v3_sd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		enable-active-high;
+		gpio = <&pcf_gpio_21 5 GPIO_ACTIVE_HIGH>;
+	};
+
 	extcon_usb1: extcon_usb1 {
 		compatible = "linux,extcon-usb-gpio";
 		id-gpio = <&pcf_gpio_21 1 GPIO_ACTIVE_HIGH>;
@@ -499,7 +508,8 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc1_pins_default>;
 
-	vmmc-supply = <&ldo1_reg>;
+	vmmc_aux-supply = <&ldo1_reg>;
+	vmmc-supply = <&evm_3v3_sd>;
 	bus-width = <4>;
 	/*
 	 * SDCD signal is not being used here - using the fact that GPIO mode
-- 
2.9.2