ARM: tegra: colibri: Fix HDMI supplies

Fix HDMI supplies (both regular VDD as well as PLL ones) being switched
by the TPS65911 PMIC's GPIO6 aka EN_VDD_HDMI by introducing two new GPIO
witched fixed regulators avdd_hdmi_pll_1v8_reg and avdd_hdmi_3v3_reg.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra30-colibri.dtsi b/arch/arm/boot/dts/tegra30-colibri.dtsi
index 83ba3f2b47dbc9b56e6b4a1ccba4ac954823f351..5e6a47edacfdf993fed4edb50cdbae0a0af861fb 100644 (file)
--- a/arch/arm/boot/dts/tegra30-colibri.dtsi
+++ b/arch/arm/boot/dts/tegra30-colibri.dtsi
@@ -15,8 +15,8 @@
 
        host1x@50000000 {
                hdmi@54280000 {
-                       vdd-supply = <&sys_3v3_reg>;
-                       pll-supply = <&vio_reg>;
+                       vdd-supply = <&avdd_hdmi_3v3_reg>;
+                       pll-supply = <&avdd_hdmi_pll_1v8_reg>;
 
                        nvidia,hpd-gpio =
                                <&gpio TEGRA_GPIO(N, 7) GPIO_ACTIVE_HIGH>;
@@ -365,18 +365,40 @@
                #address-cells = <1>;
                #size-cells = <0>;
 
-               sys_3v3_reg: regulator@100 {
+               avdd_hdmi_pll_1v8_reg: regulator@100 {
                        compatible = "regulator-fixed";
                        reg = <100>;
+                       regulator-name = "+V1.8_AVDD_HDMI_PLL";
+                       regulator-min-microvolt = <1800000>;
+                       regulator-max-microvolt = <1800000>;
+                       enable-active-high;
+                       gpio = <&pmic 6 GPIO_ACTIVE_HIGH>;
+                       vin-supply = <&vio_reg>;
+               };
+
+               sys_3v3_reg: regulator@101 {
+                       compatible = "regulator-fixed";
+                       reg = <101>;
                        regulator-name = "3v3";
                        regulator-min-microvolt = <3300000>;
                        regulator-max-microvolt = <3300000>;
                        regulator-always-on;
                };
 
-               charge_pump_5v0_reg: regulator@101 {
+               avdd_hdmi_3v3_reg: regulator@102 {
                        compatible = "regulator-fixed";
-                       reg = <101>;
+                       reg = <102>;
+                       regulator-name = "+V3.3_AVDD_HDMI";
+                       regulator-min-microvolt = <3300000>;
+                       regulator-max-microvolt = <3300000>;
+                       enable-active-high;
+                       gpio = <&pmic 6 GPIO_ACTIVE_HIGH>;
+                       vin-supply = <&sys_3v3_reg>;
+               };
+
+               charge_pump_5v0_reg: regulator@103 {
+                       compatible = "regulator-fixed";
+                       reg = <103>;
                        regulator-name = "5v0";
                        regulator-min-microvolt = <5000000>;
                        regulator-max-microvolt = <5000000>;