Add backlight and panel modes for the Harmony TFT LCD panel.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
Changes in v2:
- no longer set panel regulator always-on, fixed in driver
- update commit message
- remove backlight-boot-off property for now
arch/arm/boot/dts/tegra20-harmony.dts | 36 +++++++++++++++++++++++++++++++++--
1 file changed, 34 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/tegra20-harmony.dts b/arch/arm/boot/dts/tegra20-harmony.dts
index e156ab3..a02e116 100644
--- a/arch/arm/boot/dts/tegra20-harmony.dts
+++ b/arch/arm/boot/dts/tegra20-harmony.dts
@@ -11,6 +11,14 @@
};
host1x {
+ dc@54200000 {
+ rgb {
+ status = "okay";
+
+ nvidia,panel = <&panel>;
+ };
+ };
+
hdmi {
status = "okay";
@@ -255,6 +263,10 @@
status = "okay";
};
+ pwm {
+ status = "okay";
+ };
+
i2c@7000c000 {
status = "okay";
clock-frequency = <400000>;
@@ -483,6 +495,17 @@
bus-width = <8>;
};
+ backlight: backlight {
+ compatible = "pwm-backlight";
+
+ enable-gpios = <&gpio TEGRA_GPIO(B, 5) GPIO_ACTIVE_HIGH>;
+ power-supply = <&vdd_bl_reg>;
+ pwms = <&pwm 0 5000000>;
+
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ };
+
clocks {
compatible = "simple-bus";
#address-cells = <1>;
@@ -624,6 +647,15 @@
0x1F0400D6>; /* KEY_QUESTION */
};
+ panel: panel {
+ compatible = "auo,b101aw03";
+
+ power-supply = <&vdd_pnl_reg>;
+ enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>;
+
+ backlight = <&backlight>;
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@@ -667,7 +699,7 @@
enable-active-high;
};
- regulator@4 {
+ vdd_pnl_reg: regulator@4 {
compatible = "regulator-fixed";
reg = <4>;
regulator-name = "vdd_pnl";
@@ -677,7 +709,7 @@
enable-active-high;
};
- regulator@5 {
+ vdd_bl_reg: regulator@5 {
compatible = "regulator-fixed";
reg = <5>;
regulator-name = "vdd_bl";
--
1.8.4
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