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ARM: tegra: colibri_t20: iris: display controller rgb panel support

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

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Marcel Ziswiler 2018-09-02 12:08:45 +02:00 committed by Thierry Reding
parent 992cf09b14
commit 9a796cd295
1 changed files with 31 additions and 0 deletions
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31
arch/arm/boot/dts/tegra20-colibri-iris.dts
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@ -21,6 +21,13 @@ chosen {
};
host1x@50000000 {
dc@54200000 {
rgb {
status = "okay";
nvidia,panel = <&panel>;
};
};
hdmi@54280000 {
status = "okay";
hdmi-supply = <&reg_5v0>;
@ -99,6 +106,10 @@ serial@70006300 {
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 @@ sdhci@c8000600 {
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<A> */
};
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";