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 <alain.volmat@foss.st.com>

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";
+};