[PATCH v2 16/37] ARM: tegra: colibri_t20: iris: display controller rgb panel support

Marcel Ziswiler
2018-09-02T10:09:59Z

Add display controller parallel RGB panel support incl. backlight PWM.

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

---

Changes in v2: None

arch/arm/boot/dts/tegra20-colibri-iris.dts | 31 ++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/tegra20-colibri-iris.dts b/arch/arm/boot/dts/tegra20-colibri-iris.dts
index 28386b89d910..21713b7ae978 100644
--- a/arch/arm/boot/dts/tegra20-colibri-iris.dts
+++ b/arch/arm/boot/dts/tegra20-colibri-iris.dts
@@ -21,6 +21,13 @@
};

host1x@50000000 {
+ dc@54200000 {
+ rgb {
+ status = "okay";
+ nvidia,panel = <&panel>;
+ };
+ };
+
hdmi@54280000 {
status = "okay";
hdmi-supply = <&reg_5v0>;
@@ -99,6 +106,10 @@
status = "okay";
};

+ pwm@7000a000 {
+ status = "okay";
+ };
+
/*
* GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier
* board)
@@ -149,6 +160,26 @@
no-1-8-v;
};

+ backlight: backlight {
+ compatible = "pwm-backlight";
+ brightness-levels = <255 128 64 32 16 8 4 0>;
+ default-brightness-level = <6>;
+ /* BL_ON */
+ enable-gpios = <&gpio TEGRA_GPIO(T, 4) GPIO_ACTIVE_HIGH>;
+ power-supply = <&reg_3v3>;
+ pwms = <&pwm 0 5000000>; /* PWM */
+ };
+
+ panel: panel {
+ /*
+ * edt,et057090dhu: EDT 5.7" LCD TFT
+ * edt,et070080dh6: EDT 7.0" LCD TFT
+ */
+ compatible = "edt,et057090dhu", "simple-panel";
+ backlight = <&backlight>;
+ power-supply = <&reg_3v3>;
+ };
+
reg_3v3: regulator-3v3 {
compatible = "regulator-fixed";
regulator-name = "3.3V";
--
2.14.4