ARM: tegra: tamonten: add the base board regulators

Currently the Tamonten DTS define a fixed regulator for the 5V supply.
However this regulator is in fact on the base board. Fix this by
properly defining the regulators found on the base boards.

Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

4 files changed, 124 insertions, 9 deletions

diff --git a/arch/arm/boot/dts/tegra20-medcom-wide.dts b/arch/arm/boot/dts/tegra20-medcom-wide.dts
index 6d3a4cbc36cc..0318b84cb207 100644
--- a/arch/arm/boot/dts/tegra20-medcom-wide.dts
+++ b/arch/arm/boot/dts/tegra20-medcom-wide.dts
@@ -64,4 +64,45 @@
 			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
+
+	regulators {
+		vcc_24v_reg: regulator@100 {
+			compatible = "regulator-fixed";
+			reg = <100>;
+			regulator-name = "vcc_24v";
+			regulator-min-microvolt = <24000000>;
+			regulator-max-microvolt = <24000000>;
+			regulator-always-on;
+		};
+
+		vdd_5v0_reg: regulator@101 {
+			compatible = "regulator-fixed";
+			reg = <101>;
+			regulator-name = "vdd_5v0";
+			vin-supply = <&vcc_24v_reg>;
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			regulator-always-on;
+		};
+
+		vdd_3v3_reg: regulator@102 {
+			compatible = "regulator-fixed";
+			reg = <102>;
+			regulator-name = "vdd_3v3";
+			vin-supply = <&vcc_24v_reg>;
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+		};
+
+		vdd_1v8_reg: regulator@103 {
+			compatible = "regulator-fixed";
+			reg = <103>;
+			regulator-name = "vdd_1v8";
+			vin-supply = <&vdd_3v3_reg>;
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+		};
+	};
 };
diff --git a/arch/arm/boot/dts/tegra20-plutux.dts b/arch/arm/boot/dts/tegra20-plutux.dts
index 29051a2ae0ae..a10b415bbdee 100644
--- a/arch/arm/boot/dts/tegra20-plutux.dts
+++ b/arch/arm/boot/dts/tegra20-plutux.dts
@@ -58,4 +58,45 @@
 			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
+
+	regulators {
+		vcc_24v_reg: regulator@100 {
+			compatible = "regulator-fixed";
+			reg = <100>;
+			regulator-name = "vcc_24v";
+			regulator-min-microvolt = <24000000>;
+			regulator-max-microvolt = <24000000>;
+			regulator-always-on;
+		};
+
+		vdd_5v0_reg: regulator@101 {
+			compatible = "regulator-fixed";
+			reg = <101>;
+			regulator-name = "vdd_5v0";
+			vin-supply = <&vcc_24v_reg>;
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			regulator-always-on;
+		};
+
+		vdd_3v3_reg: regulator@102 {
+			compatible = "regulator-fixed";
+			reg = <102>;
+			regulator-name = "vdd_3v3";
+			vin-supply = <&vcc_24v_reg>;
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+		};
+
+		vdd_1v8_reg: regulator@103 {
+			compatible = "regulator-fixed";
+			reg = <103>;
+			regulator-name = "vdd_1v8";
+			vin-supply = <&vdd_3v3_reg>;
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+		};
+	};
 };
diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index a1b0d965757f..9c8318538a11 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -334,6 +334,7 @@
 			#gpio-cells = <2>;
 			gpio-controller;
 
+			/* vdd_5v0_reg must be provided by the base board */
 			sys-supply = <&vdd_5v0_reg>;
 			vin-sm0-supply = <&sys_reg>;
 			vin-sm1-supply = <&sys_reg>;
@@ -511,15 +512,6 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		vdd_5v0_reg: regulator@0 {
-			compatible = "regulator-fixed";
-			reg = <0>;
-			regulator-name = "vdd_5v0";
-			regulator-min-microvolt = <5000000>;
-			regulator-max-microvolt = <5000000>;
-			regulator-always-on;
-		};
-
 		pci_vdd_reg: regulator@1 {
 			compatible = "regulator-fixed";
 			reg = <1>;
diff --git a/arch/arm/boot/dts/tegra20-tec.dts b/arch/arm/boot/dts/tegra20-tec.dts
index 890562c667fb..c12d8bead2ee 100644
--- a/arch/arm/boot/dts/tegra20-tec.dts
+++ b/arch/arm/boot/dts/tegra20-tec.dts
@@ -67,4 +67,45 @@
 			 <&tegra_car TEGRA20_CLK_CDEV1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
+
+	regulators {
+		vcc_24v_reg: regulator@100 {
+			compatible = "regulator-fixed";
+			reg = <100>;
+			regulator-name = "vcc_24v";
+			regulator-min-microvolt = <24000000>;
+			regulator-max-microvolt = <24000000>;
+			regulator-always-on;
+		};
+
+		vdd_5v0_reg: regulator@101 {
+			compatible = "regulator-fixed";
+			reg = <101>;
+			regulator-name = "vdd_5v0";
+			vin-supply = <&vcc_24v_reg>;
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			regulator-always-on;
+		};
+
+		vdd_3v3_reg: regulator@102 {
+			compatible = "regulator-fixed";
+			reg = <102>;
+			regulator-name = "vdd_3v3";
+			vin-supply = <&vcc_24v_reg>;
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+		};
+
+		vdd_1v8_reg: regulator@103 {
+			compatible = "regulator-fixed";
+			reg = <103>;
+			regulator-name = "vdd_1v8";
+			vin-supply = <&vdd_3v3_reg>;
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-always-on;
+		};
+	};
 };