boards: st: stm32h747i_disco: add camera support

Add connector, i2c and dcmi labels and pinctrl in order to allow
usage of a camera module shield with this the stm32h747i_disco board.

Signed-off-by: Alain Volmat <[email protected]>

Author: Alain Volmat

boards/st/stm32h747i_disco/stm32h747i_disco.dtsi

@@ -100,6 +100,28 @@
 			   <53 0 &gpioj 12 0>,	/* LCD_BL_CTRL */
 			   <57 0 &gpiog 3 0>;	/* DSI_RESET */
 	};
+
+	dcmi_camera_connector: connector_dcmi_camera {
+		compatible = "st,stm32-dcmi-camera-fpu-330zh";
+		#gpio-cells = <2>;
+		gpio-map-mask = <0xffffffff 0xffffffc0>;
+		gpio-map-pass-thru = <0 0x3f>;
+		gpio-map = <3  0 &gpiod 12  0>,  /* I2C4_SCL */
+			   <4  0 &gpiod 13  0>,  /* I2C4_SDA */
+			   /* RESET is directly connected to MCU reset */
+			   <6  0 &gpioj 14  0>,  /* PWDN_EN */
+			   <12 0 &gpiob  7  0>,  /* DCMI_VSYNC */
+			   <14 0 &gpioa  4  0>,  /* DCMI_HSYNC */
+			   <16 0 &gpioa  6  0>,  /* DCMI_PIXCK */
+			   <20 0 &gpiob  9  0>,  /* DCMI_D7 */
+			   <21 0 &gpiob  8  0>,  /* DCMI_D6 */
+			   <22 0 &gpiod  3  0>,  /* DCMI_D5 */
+			   <23 0 &gpioc 11  0>,  /* DCMI_D4 */
+			   <24 0 &gpioc  9  0>,  /* DCMI_D3 */
+			   <25 0 &gpiog 10  0>,  /* DCMI_D2 */
+			   <26 0 &gpioc  7  0>,  /* DCMI_D1 */
+			   <27 0 &gpioc  6  0>;  /* DCMI_D0 */
+	};
 };
 
 &rcc {

boards/st/stm32h747i_disco/stm32h747i_disco_stm32h747xx_m7.dts

@@ -298,3 +298,13 @@ zephyr_mipi_dsi: &mipi_dsi {};
 
 /* alias used by LCD display shields */
 zephyr_lcd_controller: &ltdc {};
+
+/* alias used by camera shields */
+st_cam_i2c: &i2c4 {};
+
+st_cam_dvp: &dcmi {
+	pinctrl-0 = <&dcmi_d0_pc6 &dcmi_d1_pc7 &dcmi_d2_pg10 &dcmi_d3_pc9
+		     &dcmi_d4_pc11 &dcmi_d5_pd3 &dcmi_d6_pb8 &dcmi_d7_pb9
+		     &dcmi_pixclk_pa6 &dcmi_hsync_pa4 &dcmi_vsync_pb7>;
+	pinctrl-names = "default";
+};