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From: Andrey Skvortsov <andrej.skvortzov@gmail.com>
To: Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Samuel Holland <samuel@sholland.org>,
	devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev,
	linux-kernel@vger.kernel.org,
	Ondrej Jirman <megi@xff.cz>,
	Alain Volmat <alain.volmat@foss.st.com>,
	Pavel Machek <pavel@ucw.cz>,
	Arnaud Ferraris <arnaud.ferraris@collabora.com>
Cc: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Subject: [PATCH] arm64: dts: sun50i-a64-pinephone: Add front/back cameras
Date: Wed, 24 Jan 2024 00:47:29 +0300
Message-ID: <20240123214729.2852346-1-andrej.skvortzov@gmail.com>
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From: Ondřej Jirman <megi@xff.cz>

Pinephone has OV5640 back camera and GC2145 front camera. Add support
for both.

Signed-off-by: Ondrej Jirman <megi@xff.cz>
Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
---
 .../dts/allwinner/sun50i-a64-pinephone.dtsi   | 91 +++++++++++++++++++
 1 file changed, 91 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index 87847116ab6d..4104a136ff75 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -36,6 +36,15 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	i2c_csi: i2c-csi {
+		compatible = "i2c-gpio";
+		sda-gpios = <&pio 4 13 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; /* PE13 */
+		scl-gpios = <&pio 4 12 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; /* PE12 */
+		i2c-gpio,delay-us = <3>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
@@ -124,6 +133,36 @@ &cpu3 {
 	cpu-supply = <&reg_dcdc2>;
 };
 
+&csi {
+	pinctrl-0 = <&csi_pins>, <&csi_mclk_pin>;
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		csi_ov5640_ep: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&ov5640_ep>;
+			bus-width = <8>;
+			hsync-active = <1>; /* Active high */
+			vsync-active = <0>; /* Active low */
+			data-active = <1>;  /* Active high */
+			pclk-sample = <1>;  /* Rising */
+		};
+
+		csi_gc2145_ep: endpoint@1 {
+			reg = <1>;
+			remote-endpoint = <&gc2145_ep>;
+			bus-width = <8>;
+			hsync-active = <1>;
+			vsync-active = <1>;
+			data-active = <1>;
+			pclk-sample = <1>;
+		};
+	};
+};
+
 &dai {
 	status = "okay";
 };
@@ -158,6 +197,58 @@ &ehci1 {
 	status = "okay";
 };
 
+&i2c_csi {
+	gc2145: front-camera@3c {
+		compatible = "galaxycore,gc2145";
+		reg = <0x3c>;
+		clocks = <&ccu CLK_CSI_MCLK>;
+		clock-names = "xclk";
+		avdd-supply = <&reg_dldo3>;
+		dvdd-supply = <&reg_aldo1>;
+		iovdd-supply = <&reg_eldo3>;
+		reset-gpios = <&pio 4 16 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>; /* PE16 */
+		powerdown-gpios = <&pio 4 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; /* PE17 */
+		rotation = <270>;
+		orientation = <0>;
+
+		port {
+			gc2145_ep: endpoint {
+				remote-endpoint = <&csi_gc2145_ep>;
+				bus-width = <8>;
+				hsync-active = <1>;
+				vsync-active = <1>;
+				data-active = <1>;
+				pclk-sample = <1>;
+			};
+		};
+	};
+
+	ov5640: rear-camera@4c {
+		compatible = "ovti,ov5640";
+		reg = <0x4c>;
+		clocks = <&ccu CLK_CSI_MCLK>;
+		clock-names = "xclk";
+		AVDD-supply = <&reg_dldo3>;
+		DOVDD-supply = <&reg_aldo1>; /* shared with AFVCC */
+		DVDD-supply = <&reg_eldo3>;
+		reset-gpios = <&pio 3 3 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>; /* PD3 */
+		powerdown-gpios = <&pio 2 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; /* PC0 */
+		rotation = <90>;
+		orientation = <1>;
+
+		port {
+			ov5640_ep: endpoint {
+				remote-endpoint = <&csi_ov5640_ep>;
+				bus-width = <8>;
+				hsync-active = <1>; /* Active high */
+				vsync-active = <0>; /* Active low */
+				data-active = <1>;  /* Active high */
+				pclk-sample = <1>;  /* Rising */
+			};
+		};
+	};
+};
+
 &i2c0 {
 	status = "okay";
 
-- 
2.43.0