boards/arm/olimexino_stm32: Add SDHC support

Add SDHC support over SPI2 port.

Signed-off-by: Yannis Damigos <[email protected]>

Author: ydamigos

boards/arm/olimexino_stm32/dts_fixup.h

@@ -3,6 +3,11 @@
  * are modified to handle the generated information, or the mapping of
  * generated data matches the driver definitions.
  */
-#define DT_USB_DC_STM32_DISCONN_GPIO_PORT_NAME	DT_ST_STM32_USB_40005C00_DISCONNECT_GPIOS_CONTROLLER
+#define DT_USB_DC_STM32_DISCONN_GPIO_PORT_NAME		DT_ST_STM32_USB_40005C00_DISCONNECT_GPIOS_CONTROLLER
 #define DT_USB_DC_STM32_DISCONN_PIN			DT_ST_STM32_USB_40005C00_DISCONNECT_GPIOS_PIN
 #define DT_USB_DC_STM32_DISCONN_PIN_LEVEL		DT_ST_STM32_USB_40005C00_DISCONNECT_GPIOS_FLAGS
+
+#define DT_DISK_SDHC0_BUS_ADDRESS			DT_ST_STM32_SPI_40003800_ZEPHYR_MMC_SPI_SLOT_0_BASE_ADDRESS
+#define DT_DISK_SDHC0_BUS_NAME				DT_ST_STM32_SPI_40003800_ZEPHYR_MMC_SPI_SLOT_0_BUS_NAME
+#define DT_DISK_SDHC0_CS_GPIOS_CONTROLLER		DT_ST_STM32_SPI_40003800_CS_GPIOS_CONTROLLER
+#define DT_DISK_SDHC0_CS_GPIOS_PIN			DT_ST_STM32_SPI_40003800_CS_GPIOS_PIN

boards/arm/olimexino_stm32/olimexino_stm32.dts

@@ -78,6 +78,15 @@ uext_serial: &usart1 {};
 
 &spi2 {
 	status = "ok";
+	cs-gpios = <&gpiod 2 0>;
+
+	sdhc0: sdhc@0 {
+		compatible = "zephyr,mmc-spi-slot";
+		reg = <0>;
+		status = "ok";
+		label = "SDHC0";
+		spi-max-frequency = <24000000>;
+	};
 };
 
 &usb {