The Google Pixel C has a JDI LPM102A188A display panel. Add a
DT node for it. Tested on Pixel C.
Signed-off-by: Diogo Ivo <diogo.ivo at tecnico.ulisboa.pt>
---
Changes in v2:
- renamed backlight node to a generic name
- removed underscores
arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 70 +++++++++++++++++++
1 file changed, 70 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index 84ec4d8b7f10..5db0b25c8d58 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -31,6 +31,37 @@ memory {
};
host1x at 50000000 {
+ dc at 54200000 {
+ status = "okay";
+ };
+
+ dsia: dsi at 54300000 {
+ avdd-dsi-csi-supply = <&vdd_dsi_csi>;
+ status = "okay";
+
+ link2: panel at 0 {
+ compatible = "jdi,lpm102a188a";
+ reg = <0>;
+ };
+ };
+
+ dsib: dsi at 54400000 {
+ avdd-dsi-csi-supply = <&vdd_dsi_csi>;
+ nvidia,ganged-mode = <&dsia>;
+ status = "okay";
+
+ link1: panel at 0 {
+ compatible = "jdi,lpm102a188a";
+ reg = <0>;
+ power-supply = <&pplcd_vdd>;
+ ddi-supply = <&pp1800_lcdio>;
+ enable-gpios = <&gpio TEGRA_GPIO(V, 1) GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
+ link2 = <&link2>;
+ backlight = <&backlight>;
+ };
+ };
+
dpaux: dpaux at 545c0000 {
status = "okay";
};
@@ -1627,6 +1658,37 @@ nau8825 at 1a {
status = "okay";
};
+ backlight: backlight at 2c {
+ compatible = "ti,lp8557";
+ reg = <0x2c>;
+ power-supply = <&pplcd_vdd>;
+ enable-supply = <&pp1800_lcdio>;
+ bl-name = "lp8557-backlight";
+ dev-ctrl = /bits/ 8 <0x01>;
+ init-brt = /bits/ 8 <0x80>;
+
+ /* Full scale current, 20mA */
+ rom-11h {
+ rom-addr = /bits/ 8 <0x11>;
+ rom-val = /bits/ 8 <0x05>;
+ };
+ /* Frequency = 4.9kHz, magic undocumented val */
+ rom-12h {
+ rom-addr = /bits/ 8 <0x12>;
+ rom-val = /bits/ 8 <0x29>;
+ };
+ /* Boost freq = 1MHz, BComp option = 1 */
+ rom-13h {
+ rom-addr = /bits/ 8 <0x13>;
+ rom-val = /bits/ 8 <0x03>;
+ };
+ /* 4V OV, 6 output LED string enabled */
+ rom-14h {
+ rom-addr = /bits/ 8 <0x14>;
+ rom-val = /bits/ 8 <0xbf>;
+ };
+ };
+
audio-codec at 2d {
compatible = "realtek,rt5677";
reg = <0x2d>;
@@ -1908,4 +1970,12 @@ usbc_vbus: regulator-usbc-vbus {
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
+
+ vdd_dsi_csi: regulator-vdd-dsi-csi {
+ compatible = "regulator-fixed";
+ regulator-name = "AVDD_DSI_CSI_1V2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ vin-supply = <&pp1200_avdd>;
+ };
};
--
2.38.1