[PATCH v4 1/3] arm64: dts: mt8183: config dsi node

Hsin-Yi Wang hsinyi at chromium.org
Wed Jan 13 06:03:59 EST 2021


Config dsi node for mt8183 kukui. Set panel and ports.

Several kukui boards share the same panel property and only compatible
is different. So compatible will be set in board dts for comparison
convenience.

Signed-off-by: Hsin-Yi Wang <hsinyi at chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat at chromium.org>
---
change:
v4: add backlight and enable mipi_tx0
---
 .../mediatek/mt8183-kukui-krane-sku176.dts    |  5 +++
 .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 42 +++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane-sku176.dts b/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane-sku176.dts
index 47113e275cb52..721d16f9c3b4f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane-sku176.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui-krane-sku176.dts
@@ -16,3 +16,8 @@ / {
 	model = "MediaTek krane sku176 board";
 	compatible = "google,krane-sku176", "google,krane", "mediatek,mt8183";
 };
+
+&panel {
+        status = "okay";
+        compatible = "boe,tv101wum-nl6";
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index bf2ad1294dd30..da1e947587074 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -249,6 +249,36 @@ &cpu7 {
 	proc-supply = <&mt6358_vproc11_reg>;
 };
 
+&dsi0 {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	panel: panel at 0 {
+		/* compatible will be set in board dts */
+		reg = <0>;
+		enable-gpios = <&pio 45 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&panel_pins_default>;
+		avdd-supply = <&ppvarn_lcd>;
+		avee-supply = <&ppvarp_lcd>;
+		pp1800-supply = <&pp1800_lcd>;
+		backlight = <&backlight_lcd0>;
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&dsi_out>;
+			};
+		};
+	};
+
+	ports {
+		port {
+			dsi_out: endpoint {
+				remote-endpoint = <&panel_in>;
+			};
+		};
+	};
+};
+
 &i2c0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c0_pins>;
@@ -290,6 +320,10 @@ &i2c6 {
 	clock-frequency = <100000>;
 };
 
+&mipi_tx0 {
+	status = "okay";
+};
+
 &mmc0 {
 	status = "okay";
 	pinctrl-names = "default", "state_uhs";
@@ -547,6 +581,14 @@ pins_clk {
 		};
 	};
 
+	panel_pins_default: panel_pins_default {
+		panel_reset {
+			pinmux = <PINMUX_GPIO45__FUNC_GPIO45>;
+			output-low;
+			bias-pull-up;
+		};
+	};
+
 	pwm0_pin_default: pwm0_pin_default {
 		pins1 {
 			pinmux = <PINMUX_GPIO176__FUNC_GPIO176>;
-- 
2.30.0.284.gd98b1dd5eaa7-goog




More information about the linux-arm-kernel mailing list