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 <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
