[PATCH 1/4] arm64: dts: st: add imx335/csi/dcmipp nodes on stm32mp257f-dk

[Alain Volmat]

Add all nodes necessary for the imx335 camera capture via csi / dcmipp
on stm32mp257f discovery board.

Signed-off-by: Alain Volmat <alain.volmat at foss.st.com>
---
 arch/arm64/boot/dts/st/stm32mp257f-dk.dts | 74 +++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts b/arch/arm64/boot/dts/st/stm32mp257f-dk.dts
index 8daf3dfd5133..39ad23d95069 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-dk.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-dk.dts
@@ -9,6 +9,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/media/video-interfaces.h>
 #include "stm32mp257.dtsi"
 #include "stm32mp25xf.dtsi"
 #include "stm32mp25-pinctrl.dtsi"
@@ -27,6 +28,14 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	clocks {
+		clk_ext_camera: clk-ext-camera {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <24000000>;
+		};
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 
@@ -138,6 +147,42 @@ &arm_wdt {
 	status = "okay";
 };
 
+&csi {
+	vdd-supply =  <&scmi_vddcore>;
+	vdda18-supply = <&scmi_v1v8>;
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		port at 0 {
+			reg = <0>;
+			csi_sink: endpoint {
+				remote-endpoint = <&imx335_ep>;
+				data-lanes = <1 2>;
+				bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
+			};
+		};
+		port at 1 {
+			reg = <1>;
+			csi_source: endpoint {
+				remote-endpoint = <&dcmipp_0>;
+			};
+		};
+	};
+};
+
+&dcmipp {
+	status = "okay";
+
+	port {
+		dcmipp_0: endpoint {
+			remote-endpoint = <&csi_source>;
+			bus-type = <MEDIA_BUS_TYPE_CSI2_DPHY>;
+		};
+	};
+};
+
 &ethernet1 {
 	pinctrl-0 = <&eth1_rgmii_pins_b>;
 	pinctrl-1 = <&eth1_rgmii_sleep_pins_b>;
@@ -160,6 +205,16 @@ phy1_eth1: ethernet-phy at 1 {
 	};
 };
 
+&gpiob {
+	/* Enable the IMX335 power line */
+	imx335-en-hog {
+		gpio-hog;
+		gpios = <11 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "imx335_en";
+	};
+};
+
 &i2c2 {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&i2c2_pins_b>;
@@ -172,6 +227,25 @@ &i2c2 {
 	/delete-property/dmas;
 	/delete-property/dma-names;
 
+	imx335: camera at 1a {
+		compatible = "sony,imx335";
+		reg = <0x1a>;
+		clocks = <&clk_ext_camera>;
+		avdd-supply = <&scmi_v3v3>;
+		ovdd-supply = <&scmi_v3v3>;
+		dvdd-supply = <&scmi_v3v3>;
+		reset-gpios = <&gpiob 1 (GPIO_ACTIVE_LOW | GPIO_PUSH_PULL)>;
+
+		port {
+			imx335_ep: endpoint {
+				remote-endpoint = <&csi_sink>;
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+				link-frequencies = /bits/ 64 <594000000>;
+			};
+		};
+	};
+
 	ili2511: ili2511 at 41 {
 		compatible = "ilitek,ili251x";
 		reg = <0x41>;

-- 
2.34.1