boards: mm_swiftio: add camera support

Add camera support, use OV7725 CMOS sensor.

Signed-off-by: Frank Li <[email protected]>

Author: lgl88911

boards/arm/mm_swiftio/mm_swiftio.dts

@@ -95,6 +95,21 @@
 
 &lpi2c3 {
 	status = "okay";
+
+	ov7725@21 {
+		compatible = "ovti,ov7725";
+		reg = <0x21>;
+		label = "OV7725";
+		status = "okay";
+
+		reset-gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>;
+
+		port {
+			ov7725_ep_out: endpoint {
+				remote-endpoint = <&csi_ep_in>;
+			};
+		};
+	};
 };
 
 &lpspi3 {
@@ -155,3 +170,14 @@
 	status = "okay";
 	cd-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
 };
+
+&csi {
+	status = "okay";
+	sensor-label = "OV7725";
+
+	port {
+		csi_ep_in: endpoint {
+			remote-endpoint = <&ov7725_ep_out>;
+		};
+	};
+};

boards/arm/mm_swiftio/pinmux.c

@@ -192,6 +192,44 @@ static int mm_swiftio_init(const struct device *dev)
 	imxrt_usdhc_pinmux_cb_register(mm_swiftio_usdhc_pinmux);
 #endif
 
+#if DT_NODE_HAS_STATUS(DT_NODELABEL(csi), okay) && CONFIG_VIDEO
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_04_CSI_PIXCLK,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_05_CSI_MCLK,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B0_14_CSI_VSYNC,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B0_15_CSI_HSYNC,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_08_CSI_DATA09,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_09_CSI_DATA08,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_10_CSI_DATA07,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_11_CSI_DATA06,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_12_CSI_DATA05,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_13_CSI_DATA04,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_14_CSI_DATA03,
+		0U);
+	IOMUXC_SetPinMux(
+		IOMUXC_GPIO_AD_B1_15_CSI_DATA02,
+		0U);
+#endif
 	return 0;
 }