serial: stm32: STM32F7 UART support

The patch adds serial driver support for STM32F7 family microcontrollers, includes pinmux definitions and DTS fixup file. Signed-off-by: Yurii Hamann <yurii@hamann.site>
2018-06-18 22:49:58 +03:00 · 2018-06-18 22:49:58 +03:00 · 1fdc790ca2
commit 1fdc790ca2
parent 7482969da6
3 changed files with 221 additions and 1 deletions
--- a/arch/arm/soc/st_stm32/stm32f7/dts.fixup
+++ b/arch/arm/soc/st_stm32/stm32f7/dts.fixup
@ -1,5 +1,53 @@
 /* SoC level DTS fixup file */

-#define CONFIG_NUM_IRQ_PRIO_BITS				ARM_V7M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
+#define CONFIG_NUM_IRQ_PRIO_BITS		ARM_V7M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
+
+#define CONFIG_UART_STM32_USART_1_BASE_ADDRESS	ST_STM32_USART_40011000_BASE_ADDRESS
+#define CONFIG_UART_STM32_USART_1_BAUD_RATE	ST_STM32_USART_40011000_CURRENT_SPEED
+#define CONFIG_UART_STM32_USART_1_IRQ_PRI	ST_STM32_USART_40011000_IRQ_0_PRIORITY
+#define CONFIG_UART_STM32_USART_1_NAME		ST_STM32_USART_40011000_LABEL
+#define USART_1_IRQ				ST_STM32_USART_40011000_IRQ_0
+
+#define CONFIG_UART_STM32_USART_2_BASE_ADDRESS	ST_STM32_USART_40004400_BASE_ADDRESS
+#define CONFIG_UART_STM32_USART_2_BAUD_RATE	ST_STM32_USART_40004400_CURRENT_SPEED
+#define CONFIG_UART_STM32_USART_2_IRQ_PRI	ST_STM32_USART_40004400_IRQ_0_PRIORITY
+#define CONFIG_UART_STM32_USART_2_NAME		ST_STM32_USART_40004400_LABEL
+#define USART_2_IRQ				ST_STM32_USART_40004400_IRQ_0
+
+#define CONFIG_UART_STM32_USART_3_BASE_ADDRESS	ST_STM32_USART_40004800_BASE_ADDRESS
+#define CONFIG_UART_STM32_USART_3_BAUD_RATE	ST_STM32_USART_40004800_CURRENT_SPEED
+#define CONFIG_UART_STM32_USART_3_IRQ_PRI	ST_STM32_USART_40004800_IRQ_0_PRIORITY
+#define CONFIG_UART_STM32_USART_3_NAME		ST_STM32_USART_40004800_LABEL
+#define USART_3_IRQ				ST_STM32_USART_40004800_IRQ_0
+
+#define CONFIG_UART_STM32_USART_4_BASE_ADDRESS	ST_STM32_USART_40004C00_BASE_ADDRESS
+#define CONFIG_UART_STM32_USART_4_BAUD_RATE	ST_STM32_USART_40004C00_CURRENT_SPEED
+#define CONFIG_UART_STM32_USART_4_IRQ_PRI	ST_STM32_USART_40004C00_IRQ_0_PRIORITY
+#define CONFIG_UART_STM32_USART_4_NAME		ST_STM32_USART_40004C00_LABEL
+#define USART_4_IRQ				ST_STM32_USART_40004C00_IRQ_0
+
+#define CONFIG_UART_STM32_USART_5_BASE_ADDRESS	ST_STM32_USART_40005000_BASE_ADDRESS
+#define CONFIG_UART_STM32_USART_5_BAUD_RATE	ST_STM32_USART_40005000_CURRENT_SPEED
+#define CONFIG_UART_STM32_USART_5_IRQ_PRI	ST_STM32_USART_40005000_IRQ_0_PRIORITY
+#define CONFIG_UART_STM32_USART_5_NAME		ST_STM32_USART_40005000_LABEL
+#define USART_5_IRQ				ST_STM32_USART_40005000_IRQ_0
+
+#define CONFIG_UART_STM32_USART_6_BASE_ADDRESS	ST_STM32_USART_40011400_BASE_ADDRESS
+#define CONFIG_UART_STM32_USART_6_BAUD_RATE	ST_STM32_USART_40011400_CURRENT_SPEED
+#define CONFIG_UART_STM32_USART_6_IRQ_PRI	ST_STM32_USART_40011400_IRQ_0_PRIORITY
+#define CONFIG_UART_STM32_USART_6_NAME		ST_STM32_USART_40011400_LABEL
+#define USART_6_IRQ				ST_STM32_USART_40011400_IRQ_0
+
+#define CONFIG_UART_STM32_USART_7_BASE_ADDRESS	ST_STM32_USART_40007800_BASE_ADDRESS
+#define CONFIG_UART_STM32_USART_7_BAUD_RATE	ST_STM32_USART_40007800_CURRENT_SPEED
+#define CONFIG_UART_STM32_USART_7_IRQ_PRI	ST_STM32_USART_40007800_IRQ_0_PRIORITY
+#define CONFIG_UART_STM32_USART_7_NAME		ST_STM32_USART_40007800_LABEL
+#define USART_7_IRQ				ST_STM32_USART_40007800_IRQ_0
+
+#define CONFIG_UART_STM32_USART_8_BASE_ADDRESS	ST_STM32_USART_40007C00_BASE_ADDRESS
+#define CONFIG_UART_STM32_USART_8_BAUD_RATE	ST_STM32_USART_40007C00_CURRENT_SPEED
+#define CONFIG_UART_STM32_USART_8_IRQ_PRI	ST_STM32_USART_40007C00_IRQ_0_PRIORITY
+#define CONFIG_UART_STM32_USART_8_NAME		ST_STM32_USART_40007800_LABEL
+#define USART_8_IRQ				ST_STM32_USART_40007C00_IRQ_0

 /* End of SoC Level DTS fixup file */
--- a/arch/arm/soc/st_stm32/stm32f7/soc.h
+++ b/arch/arm/soc/st_stm32/stm32f7/soc.h
@ -34,6 +34,10 @@
 #include <stm32f7xx_ll_system.h>
 #endif /* CONFIG_CLOCK_CONTROL_STM32_CUBE */

+#ifdef CONFIG_SERIAL_HAS_DRIVER
+#include <stm32f7xx_ll_usart.h>
+#endif
+
 #endif /* !_ASMLANGUAGE */

 #endif /* _STM32F7_SOC_H_ */
--- a/drivers/pinmux/stm32/pinmux_stm32f7.h
+++ b/drivers/pinmux/stm32/pinmux_stm32f7.h
@ -11,5 +11,173 @@
 * @file Header for STM32F7 pin multiplexing helper
 */

+/* Port A */
+#define STM32F7_PINMUX_FUNC_PA0_USART2_CTS    \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA0_UART4_TX    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA1_USART2_RTS    \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA1_UART4_RX    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA2_USART2_TX   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA3_USART2_RX   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA9_USART1_TX   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA10_USART1_RX  \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA11_USART1_CTS  \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA12_USART1_RTS  \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PA15_USART4_RTS \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+/* Port B */
+#define STM32F7_PINMUX_FUNC_PB0_UART4_CTS   \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PB6_USART1_TX   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PB7_USART1_RX   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PB10_USART3_TX  \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PB11_USART3_RX	\
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PB13_UART3_CTS	\
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)
+
+#define STM32F7_PINMUX_FUNC_PB14_UART3_RTS	\
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)
+
+/* Port C */
+#define STM32F7_PINMUX_FUNC_PC6_USART6_TX   \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PC7_USART6_RX   \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PC8_UART5_RTS  \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PC9_UART5_CTS  \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PC10_USART3_TX  \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)
+
+#define STM32F7_PINMUX_FUNC_PC10_UART4_TX  \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_NOPULL)
+
+#define STM32F7_PINMUX_FUNC_PC11_USART3_RX  \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PC11_UART4_RX   \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PC12_UART5_TX   \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+/* Port D */
+#define STM32F7_PINMUX_FUNC_PD2_UART5_RX    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PD3_USART2_CTS   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)
+
+#define STM32F7_PINMUX_FUNC_PD4_USART2_RTS   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)
+
+#define STM32F7_PINMUX_FUNC_PD5_USART2_TX   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)
+
+#define STM32F7_PINMUX_FUNC_PD6_USART2_RX   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PD8_USART3_TX   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)
+
+#define STM32F7_PINMUX_FUNC_PD9_USART3_RX   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PD11_USART3_CTS   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PD12_USART3_RTS   \
+	(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PD14_UART8_CTS  \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PD15_UART8_RTS  \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+/* Port E */
+#define STM32F7_PINMUX_FUNC_PE0_UART8_RX    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PE1_UART8_TX    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PE7_UART7_RX    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PE8_UART7_TX    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PE9_UART7_RTS   \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PE10_UART7_CTS  \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+/* Port F */
+#define STM32F7_PINMUX_FUNC_PF6_UART7_RX    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PF7_UART7_TX    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PF8_UART7_RTS    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PF9_UART7_CTS    \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+/* Port G */
+#define STM32F7_PINMUX_FUNC_PG8_USART6_RTS   \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PG9_USART6_RX   \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PG12_USART6_RTS  \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PG13_USART6_CTS  \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PG14_USART6_TX  \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
+
+#define STM32F7_PINMUX_FUNC_PG15_USART6_CTS  \
+	(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)

 #endif /* _STM32F7_PINMUX_H_ */