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drivers: serial: Add STM32G4X serial support

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Add UART driver support for STM32G4X SoC series.

Signed-off-by: Richard Osterloh <richard.osterloh@gmail.com>
This commit is contained in:
Richard Osterloh 2019-09-04 09:43:07 +01:00 • committed by Andrew Boie
commit 1d2a030ee3
5 changed files with 101 additions and 3 deletions
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4
drivers/serial/Kconfig.stm32
View file

@ -97,7 +97,7 @@ config UART_10
Enable support for UART10 port in the driver.
Say y here if you want to use UART10 device.
if SOC_SERIES_STM32L0X || SOC_SERIES_STM32L4X || SOC_SERIES_STM32WBX || SOC_SERIES_STM32H7X
if SOC_SERIES_STM32L0X || SOC_SERIES_STM32L4X || SOC_SERIES_STM32WBX || SOC_SERIES_STM32H7X || SOC_SERIES_STM32G4X
# --- low power port 1 ---
@ -107,6 +107,6 @@ config LPUART_1
Enable support for LPUART1 port in the driver.
Say y here if you want to use LPUART1 device.
endif # SOC_SERIES_STM32L0X || SOC_SERIES_STM32L4X || SOC_SERIES_STM32WBX
endif # SOC_SERIES_STM32L0X || SOC_SERIES_STM32L4X || SOC_SERIES_STM32WBX || SOC_SERIES_STM32G4X
endif # UART_STM32

3
drivers/serial/uart_stm32.c
View file

@ -818,7 +818,8 @@ STM32_UART_INIT(UART_10)
#if defined(CONFIG_SOC_SERIES_STM32H7X) || \
defined(CONFIG_SOC_SERIES_STM32L4X) || \
defined(CONFIG_SOC_SERIES_STM32L0X) || \
defined(CONFIG_SOC_SERIES_STM32WBX)
defined(CONFIG_SOC_SERIES_STM32WBX) || \
defined(CONFIG_SOC_SERIES_STM32G4X)
#ifdef CONFIG_LPUART_1
STM32_UART_INIT(LPUART_1)
#endif /* CONFIG_LPUART_1 */

46
dts/arm/st/g4/stm32g4.dtsi
View file

@ -102,6 +102,52 @@
label = "GPIOG";
};
};
usart1: serial@40013800 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40013800 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00004000>;
interrupts = <37 0>;
status = "disabled";
label = "UART_1";
};
usart2: serial@40004400 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40004400 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00020000>;
interrupts = <38 0>;
status = "disabled";
label = "UART_2";
};
usart3: serial@40004800 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40004800 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00040000>;
interrupts = <39 0>;
status = "disabled";
label = "UART_3";
};
uart4: serial@40004c00 {
compatible = "st,stm32-uart";
reg = <0x40004c00 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00080000>;
interrupts = <52 0>;
status = "disabled";
label = "UART_4";
};
lpuart1: serial@40008000 {
compatible = "st,stm32-lpuart", "st,stm32-uart";
reg = <0x40008000 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1_2 0x00000001>;
interrupts = <91 0>;
status = "disabled";
label = "LPUART_1";
};
};
};

45
soc/arm/st_stm32/stm32g4/dts_fixup.h
View file

@ -71,4 +71,49 @@
#define DT_GPIO_STM32_GPIOG_CLOCK_BITS DT_ST_STM32_GPIO_48001800_CLOCK_BITS
#define DT_GPIO_STM32_GPIOG_CLOCK_BUS DT_ST_STM32_GPIO_48001800_CLOCK_BUS
#define DT_UART_STM32_USART_1_BASE_ADDRESS DT_ST_STM32_USART_40013800_BASE_ADDRESS
#define DT_UART_STM32_USART_1_BAUD_RATE DT_ST_STM32_USART_40013800_CURRENT_SPEED
#define DT_UART_STM32_USART_1_IRQ_PRI DT_ST_STM32_USART_40013800_IRQ_0_PRIORITY
#define DT_UART_STM32_USART_1_NAME DT_ST_STM32_USART_40013800_LABEL
#define DT_USART_1_IRQ DT_ST_STM32_USART_40013800_IRQ_0
#define DT_UART_STM32_USART_1_CLOCK_BITS DT_ST_STM32_USART_40013800_CLOCK_BITS
#define DT_UART_STM32_USART_1_CLOCK_BUS DT_ST_STM32_USART_40013800_CLOCK_BUS
#define DT_UART_STM32_USART_1_HW_FLOW_CONTROL DT_ST_STM32_USART_40013800_HW_FLOW_CONTROL
#define DT_UART_STM32_USART_2_BASE_ADDRESS DT_ST_STM32_USART_40004400_BASE_ADDRESS
#define DT_UART_STM32_USART_2_BAUD_RATE DT_ST_STM32_USART_40004400_CURRENT_SPEED
#define DT_UART_STM32_USART_2_IRQ_PRI DT_ST_STM32_USART_40004400_IRQ_0_PRIORITY
#define DT_UART_STM32_USART_2_NAME DT_ST_STM32_USART_40004400_LABEL
#define DT_USART_2_IRQ DT_ST_STM32_USART_40004400_IRQ_0
#define DT_UART_STM32_USART_2_CLOCK_BITS DT_ST_STM32_USART_40004400_CLOCK_BITS
#define DT_UART_STM32_USART_2_CLOCK_BUS DT_ST_STM32_USART_40004400_CLOCK_BUS
#define DT_UART_STM32_USART_2_HW_FLOW_CONTROL DT_ST_STM32_USART_40004400_HW_FLOW_CONTROL
#define DT_UART_STM32_USART_3_BASE_ADDRESS DT_ST_STM32_USART_40004800_BASE_ADDRESS
#define DT_UART_STM32_USART_3_BAUD_RATE DT_ST_STM32_USART_40004800_CURRENT_SPEED
#define DT_UART_STM32_USART_3_IRQ_PRI DT_ST_STM32_USART_40004800_IRQ_0_PRIORITY
#define DT_UART_STM32_USART_3_NAME DT_ST_STM32_USART_40004800_LABEL
#define DT_USART_3_IRQ DT_ST_STM32_USART_40004800_IRQ_0
#define DT_UART_STM32_USART_3_CLOCK_BITS DT_ST_STM32_USART_40004800_CLOCK_BITS
#define DT_UART_STM32_USART_3_CLOCK_BUS DT_ST_STM32_USART_40004800_CLOCK_BUS
#define DT_UART_STM32_USART_3_HW_FLOW_CONTROL DT_ST_STM32_USART_40004800_HW_FLOW_CONTROL
#define DT_UART_STM32_UART_4_BASE_ADDRESS DT_ST_STM32_UART_40004C00_BASE_ADDRESS
#define DT_UART_STM32_UART_4_BAUD_RATE DT_ST_STM32_UART_40004C00_CURRENT_SPEED
#define DT_UART_STM32_UART_4_IRQ_PRI DT_ST_STM32_UART_40004C00_IRQ_0_PRIORITY
#define DT_UART_STM32_UART_4_NAME DT_ST_STM32_UART_40004C00_LABEL
#define DT_UART_4_IRQ DT_ST_STM32_UART_40004C00_IRQ_0
#define DT_UART_STM32_UART_4_CLOCK_BITS DT_ST_STM32_UART_40004C00_CLOCK_BITS
#define DT_UART_STM32_UART_4_CLOCK_BUS DT_ST_STM32_UART_40004C00_CLOCK_BUS
#define DT_UART_STM32_UART_4_HW_FLOW_CONTROL DT_ST_STM32_UART_40004C00_HW_FLOW_CONTROL
#define DT_UART_STM32_LPUART_1_BASE_ADDRESS DT_ST_STM32_LPUART_40008000_BASE_ADDRESS
#define DT_UART_STM32_LPUART_1_BAUD_RATE DT_ST_STM32_LPUART_40008000_CURRENT_SPEED
#define DT_UART_STM32_LPUART_1_IRQ_PRI DT_ST_STM32_LPUART_40008000_IRQ_0_PRIORITY
#define DT_UART_STM32_LPUART_1_NAME DT_ST_STM32_LPUART_40008000_LABEL
#define DT_LPUART_1_IRQ DT_ST_STM32_LPUART_40008000_IRQ_0
#define DT_UART_STM32_LPUART_1_CLOCK_BITS DT_ST_STM32_LPUART_40008000_CLOCK_BITS
#define DT_UART_STM32_LPUART_1_CLOCK_BUS DT_ST_STM32_LPUART_40008000_CLOCK_BUS
#define DT_UART_STM32_LPUART_1_HW_FLOW_CONTROL DT_ST_STM32_LPUART_40008000_HW_FLOW_CONTROL
/* End of SoC Level DTS fixup file */

6
soc/arm/st_stm32/stm32g4/soc.h
View file

@ -42,6 +42,12 @@
#ifdef CONFIG_GPIO_STM32
#include <stm32g4xx_ll_gpio.h>
#endif
#ifdef CONFIG_SERIAL_HAS_DRIVER
#include <stm32g4xx_ll_usart.h>
#include <stm32g4xx_ll_lpuart.h>
#endif /* CONFIG_SERIAL_HAS_DRIVER */
#endif /* !_ASMLANGUAGE */
#endif /* _STM32G4_SOC_H_ */