stm32/l1: enable spi peripherals

STM32L1 uses the same spi controller as STM32F1 so we can just set the
right addresses and enable them. We also need to add the fixup names and
to correctly include the header for ST LL HAL.

Signed-off-by: Karl Palsson <[email protected]>

Author: karlp

dts/arm/st/l1/stm32l1.dtsi

@@ -72,6 +72,28 @@
 			label= "I2C_2";
 		};
 
+		spi1: spi@40013000 {
+			compatible = "st,stm32-spi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x40013000 0x400>;
+			clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00001000>;
+			interrupts = <35 0>;
+			status = "disabled";
+			label = "SPI_1";
+		};
+
+		spi2: spi@40003800 {
+			compatible = "st,stm32-spi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x40003800 0x400>;
+			clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00004000>;
+			interrupts = <36 0>;
+			status = "disabled";
+			label = "SPI_2";
+		};
+
 		usart1: serial@40013800 {
 			compatible = "st,stm32-usart", "st,stm32-uart";
 			reg = <0x40013800 0x400>;

soc/arm/st_stm32/stm32l1/dts_fixup.h

@@ -109,6 +109,20 @@
 #define DT_I2C_2_CLOCK_BITS		DT_ST_STM32_I2C_V1_40005800_CLOCK_BITS
 #define DT_I2C_2_CLOCK_BUS		DT_ST_STM32_I2C_V1_40005800_CLOCK_BUS
 
+#define DT_SPI_1_BASE_ADDRESS           DT_ST_STM32_SPI_40013000_BASE_ADDRESS
+#define DT_SPI_1_IRQ_PRI                DT_ST_STM32_SPI_40013000_IRQ_0_PRIORITY
+#define DT_SPI_1_NAME                   DT_ST_STM32_SPI_40013000_LABEL
+#define DT_SPI_1_IRQ                    DT_ST_STM32_SPI_40013000_IRQ_0
+#define DT_SPI_1_CLOCK_BITS             DT_ST_STM32_SPI_40013000_CLOCK_BITS
+#define DT_SPI_1_CLOCK_BUS              DT_ST_STM32_SPI_40013000_CLOCK_BUS
+
+#define DT_SPI_2_BASE_ADDRESS           DT_ST_STM32_SPI_40003800_BASE_ADDRESS
+#define DT_SPI_2_IRQ_PRI                DT_ST_STM32_SPI_40003800_IRQ_0_PRIORITY
+#define DT_SPI_2_NAME                   DT_ST_STM32_SPI_40003800_LABEL
+#define DT_SPI_2_IRQ                    DT_ST_STM32_SPI_40003800_IRQ_0
+#define DT_SPI_2_CLOCK_BITS             DT_ST_STM32_SPI_40003800_CLOCK_BITS
+#define DT_SPI_2_CLOCK_BUS              DT_ST_STM32_SPI_40003800_CLOCK_BUS
+
 #define DT_WWDT_0_BASE_ADDRESS		DT_INST_0_ST_STM32_WINDOW_WATCHDOG_BASE_ADDRESS
 #define DT_WWDT_0_NAME			DT_INST_0_ST_STM32_WINDOW_WATCHDOG_LABEL
 #define DT_WWDT_0_IRQ			DT_INST_0_ST_STM32_WINDOW_WATCHDOG_IRQ_0

soc/arm/st_stm32/stm32l1/soc.h

@@ -51,6 +51,10 @@
 #include <stm32l1xx_ll_i2c.h>
 #endif
 
+#ifdef CONFIG_SPI_STM32
+#include <stm32l1xx_ll_spi.h>
+#endif
+
 #ifdef CONFIG_WWDG_STM32
 #include <stm32l1xx_ll_wwdg.h>
 #endif