ARM: tegra: apalis/colibri t30: fix on-module 5v0 supplies

Working on Gigabit/PCIe support in U-Boot for Apalis T30 I realised
that the current device tree source includes for our modules only
happen to work due to referencing the on-carrier 5v0 supply from USB
which is not at all available on-module. The modules actually contain
TPS60150 charge pumps to generate the PMIC required 5 volts from the
one and only 3.3 volt module supply. This patch fixes this.

(Note: When back-porting this to v3.16 stable releases, simply drop the
change to tegra30-apalis.dtsi; that file was added in v3.17)

Cc: <stable@vger.kernel.org> #v3.16+
Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

2 files changed, 20 insertions, 2 deletions

diff --git a/arch/arm/boot/dts/tegra30-apalis.dtsi b/arch/arm/boot/dts/tegra30-apalis.dtsi
index 8adaa7871dd3..a5446cba9804 100644
--- a/arch/arm/boot/dts/tegra30-apalis.dtsi
+++ b/arch/arm/boot/dts/tegra30-apalis.dtsi
@@ -423,7 +423,7 @@
                         vcc4-supply = <&sys_3v3_reg>;
                         vcc5-supply = <&sys_3v3_reg>;
                         vcc6-supply = <&vio_reg>;
-                        vcc7-supply = <&sys_5v0_reg>;
+                        vcc7-supply = <&charge_pump_5v0_reg>;
                         vccio-supply = <&sys_3v3_reg>;
 
                         regulators {
@@ -674,5 +674,14 @@
                         regulator-max-microvolt = <3300000>;
                         regulator-always-on;
                 };
+
+                charge_pump_5v0_reg: regulator@101 {
+                        compatible = "regulator-fixed";
+                        reg = <101>;
+                        regulator-name = "5v0";
+                        regulator-min-microvolt = <5000000>;
+                        regulator-max-microvolt = <5000000>;
+                        regulator-always-on;
+                };
         };
 };
diff --git a/arch/arm/boot/dts/tegra30-colibri.dtsi b/arch/arm/boot/dts/tegra30-colibri.dtsi
index bf16f8e65627..c4ed1bec4d92 100644
--- a/arch/arm/boot/dts/tegra30-colibri.dtsi
+++ b/arch/arm/boot/dts/tegra30-colibri.dtsi
@@ -201,7 +201,7 @@
                         vcc4-supply = <&sys_3v3_reg>;
                         vcc5-supply = <&sys_3v3_reg>;
                         vcc6-supply = <&vio_reg>;
-                        vcc7-supply = <&sys_5v0_reg>;
+                        vcc7-supply = <&charge_pump_5v0_reg>;
                         vccio-supply = <&sys_3v3_reg>;
 
                         regulators {
@@ -373,5 +373,14 @@
                         regulator-max-microvolt = <3300000>;
                         regulator-always-on;
                 };
+
+                charge_pump_5v0_reg: regulator@101 {
+                        compatible = "regulator-fixed";
+                        reg = <101>;
+                        regulator-name = "5v0";
+                        regulator-min-microvolt = <5000000>;
+                        regulator-max-microvolt = <5000000>;
+                        regulator-always-on;
+                };
         };
 };