linux-kernel - [PATCH 3/3] arm64: dts: mediatek: asurada: Enable internal display

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Message-Id: <20220908171153.670762-4-nfraprado@collabora.com>
Date:   Thu,  8 Sep 2022 13:11:53 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Matthias Brugger <matthias.bgg@...il.com>
Cc:     Chen-Yu Tsai <wenst@...omium.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, kernel@...labora.com,
        Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH 3/3] arm64: dts: mediatek: asurada: Enable internal display

The asurada platform has an ANX7625 bridge connecting the DSI's output
to the internal eDP panel. Add and enable these devices in order to get
a usable internal display.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
---

 .../boot/dts/mediatek/mt8192-asurada.dtsi     | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
index 33ef55b6dbe1..fde8548f67ae 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
@@ -200,6 +200,14 @@ wifi_restricted_dma_region: wifi@...00000 {
 	};
 };
 
+&dsi0 {
+	status = "okay";
+};
+
+&dsi_out {
+	remote-endpoint = <&anx7625_in>;
+};
+
 &i2c0 {
 	status = "okay";
 
@@ -248,6 +256,53 @@ &i2c3 {
 	clock-frequency = <400000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c3_pins>;
+
+	anx_bridge: anx7625@58 {
+		compatible = "analogix,anx7625";
+		reg = <0x58>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&anx7625_pins>;
+		enable-gpios = <&pio 41 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&pio 42 GPIO_ACTIVE_HIGH>;
+		vdd10-supply = <&pp1000_mipibrdg>;
+		vdd18-supply = <&pp1800_mipibrdg>;
+		vdd33-supply = <&pp3300_mipibrdg>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				anx7625_in: endpoint {
+					remote-endpoint = <&dsi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				anx7625_out: endpoint {
+					remote-endpoint = <&panel_in>;
+				};
+			};
+		};
+
+		aux-bus {
+			panel: panel {
+				compatible = "edp-panel";
+				power-supply = <&pp3300_mipibrdg>;
+				backlight = <&backlight_lcd0>;
+
+				port {
+					panel_in: endpoint {
+						remote-endpoint = <&anx7625_out>;
+					};
+				};
+			};
+		};
+	};
 };
 
 &i2c7 {
@@ -258,6 +313,10 @@ &i2c7 {
 	pinctrl-0 = <&i2c7_pins>;
 };
 
+&mipi_tx0 {
+	status = "okay";
+};
+
 &mmc0 {
 	status = "okay";
 
@@ -589,6 +648,20 @@ &pio {
 			  "AUD_DAT_MISO0",
 			  "AUD_DAT_MISO1";
 
+	anx7625_pins: anx7625-default-pins {
+		pins-out {
+			pinmux = <PINMUX_GPIO41__FUNC_GPIO41>,
+				 <PINMUX_GPIO42__FUNC_GPIO42>;
+			output-low;
+		};
+
+		pins-in {
+			pinmux = <PINMUX_GPIO6__FUNC_GPIO6>;
+			input-enable;
+			bias-pull-up;
+		};
+	};
+
 	cr50_int: cr50-irq-default-pins {
 		pins-gsc-ap-int-odl {
 			pinmux = <PINMUX_GPIO171__FUNC_GPIO171>;
-- 
2.37.3