Venice2 has a 12.9" (2560x1700) panel connected to the eDP output of the
Tegra124. The panel has an EDID to describe the video timings but needs
a few extra nodes to get the backlight to come up.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm/boot/dts/tegra124-venice2.dts | 52 ++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index 7a4d5e23ddf4..b435cb5ec664 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -10,6 +10,20 @@
reg = <0x80000000 0x80000000>;
};
+ host1x@50000000 {
+ sor@54540000 {
+ status = "okay";
+
+ nvidia,dpaux = <&dpaux>;
+ nvidia,panel = <&panel>;
+ };
+
+ dpaux: dpaux@545c0000 {
+ vdd-supply = <&vdd_edp>;
+ status = "okay";
+ };
+ };
+
pinmux: pinmux@70000868 {
pinctrl-names = "default";
pinctrl-0 = <&pinmux_default>;
@@ -594,6 +608,17 @@
};
};
+ backlight: backlight {
+ compatible = "pwm-backlight";
+
+ enable-gpios = <&gpio TEGRA_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
+ power-supply = <&vdd_led>;
+ pwms = <&pwm 1 1000000>;
+
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
+
clocks {
compatible = "simple-bus";
#address-cells = <1>;
@@ -607,6 +632,13 @@
};
};
+ panel: panel {
+ compatible = "lg,lp129qe", "simple-panel";
+
+ backlight = <&backlight>;
+ ddc-i2c-bus = <&dpaux>;
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@@ -617,6 +649,26 @@
reg = <0>;
regulator-name = "sys_5v";
};
+
+ vdd_edp: regulator@1 {
+ compatible = "regulator-fixed";
+ reg = <1>;
+ regulator-name = "avdd_lcd";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&pmic 4 0 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ vdd_led: regulator@2 {
+ compatible = "regulator-fixed";
+ reg = <2>;
+ regulator-name = "vdd_led";
+ regulator-min-microvolt = <45000000>;
+ regulator-max-microvolt = <45000000>;
+ gpio = <&gpio TEGRA_GPIO(P, 2) 0 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
};
sound {
--
1.8.4.2
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