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.be...@avionic-design.de>
---
v2: * Put the board regualtors in the 'regulator' group with IDs
      starting at 100
---
 arch/arm/boot/dts/tegra20-medcom-wide.dts | 41 +++++++++++++++++++++++++++++++
 arch/arm/boot/dts/tegra20-plutux.dts      | 41 +++++++++++++++++++++++++++++++
 arch/arm/boot/dts/tegra20-tamonten.dtsi   | 10 +-------
 arch/arm/boot/dts/tegra20-tec.dts         | 41 +++++++++++++++++++++++++++++++
 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 6d3a4cb..0318b84 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 29051a2..a10b415 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 a1b0d96..9c83185 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 890562c..c12d8be 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;
+               };
+       };
 };
-- 
2.0.0

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