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Subject[PATCH 2/9] arm: tegra: apalis_t30: fix hdmi supply
Date
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 switched fixed regulators avdd_hdmi_pll_1v8_reg and
avdd_hdmi_3v3_reg.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
---

arch/arm/boot/dts/tegra30-apalis.dtsi | 32 +++++++++++++++++++++++++++-----
1 file changed, 27 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/tegra30-apalis.dtsi b/arch/arm/boot/dts/tegra30-apalis.dtsi
index 3bff4d7..fd6c94e 100644
--- a/arch/arm/boot/dts/tegra30-apalis.dtsi
+++ b/arch/arm/boot/dts/tegra30-apalis.dtsi
@@ -34,8 +34,8 @@

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>;
@@ -667,18 +667,40 @@
#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>;
--
2.4.3


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