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ARM: tegra: enable LCD panel on Seaboard 

Seaboard uses a CLAA101WA01A LCD panel. Enable the relevant display
controller, backlight, and regulators.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Stephen Warren 2014-01-07 16:16:32 -07:00
parent 7be75df218
commit 9615d65631
1 changed files with 54 additions and 1 deletions
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55
arch/arm/boot/dts/tegra20-seaboard.dts
View File

@ -17,6 +17,14 @@
};
host1x@50000000 {
dc@54200000 {
rgb {
status = "okay";
nvidia,panel = <&panel>;
};
};
hdmi@54280000 {
status = "okay";
@ -312,6 +320,10 @@
status = "okay";
};
pwm: pwm@7000a000 {
status = "okay";
};
i2c@7000c000 {
status = "okay";
clock-frequency = <400000>;
@ -369,7 +381,7 @@
#size-cells = <0>;
};
i2c@1 {
lvds_ddc: i2c@1 {
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;
@ -762,6 +774,17 @@
non-removable;
};
backlight: backlight {
compatible = "pwm-backlight";
enable-gpios = <&gpio TEGRA_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
power-supply = <&vdd_bl_reg>;
pwms = <&pwm 2 5000000>;
brightness-levels = <0 4 8 16 32 64 128 255>;
default-brightness-level = <6>;
};
clocks {
compatible = "simple-bus";
#address-cells = <1>;
@ -795,6 +818,16 @@
};
};
panel: panel {
compatible = "chunghwa,claa101wa01a", "simple-panel";
power-supply = <&vdd_pnl_reg>;
enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>;
backlight = <&backlight>;
ddc-i2c-bus = <&lvds_ddc>;
};
regulators {
compatible = "simple-bus";
#address-cells = <1>;
@ -839,6 +872,26 @@
regulator-always-on;
regulator-boot-on;
};
vdd_pnl_reg: regulator@4 {
compatible = "regulator-fixed";
reg = <4>;
regulator-name = "vdd_pnl";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
gpio = <&gpio TEGRA_GPIO(C, 6) GPIO_ACTIVE_HIGH>;
enable-active-high;
};
vdd_bl_reg: regulator@5 {
compatible = "regulator-fixed";
reg = <5>;
regulator-name = "vdd_bl";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
gpio = <&gpio TEGRA_GPIO(W, 0) GPIO_ACTIVE_HIGH>;
enable-active-high;
};
};
sound {