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arm: stm32f4: Add UART4 pinmux definitions

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Add missing UART4 pinmux definitions for STM32F4 series.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This commit is contained in:
Manivannan Sadhasivam 2018-12-10 16:48:46 +05:30 • committed by Kumar Gala
commit f8ac865693
4 changed files with 31 additions and 0 deletions
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2
drivers/pinmux/stm32/pinmux_stm32f4.h
View file

@ -267,6 +267,8 @@
#define STM32F4_PINMUX_FUNC_PC10_USART3_TX \
(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_PULLUP)
#define STM32F4_PINMUX_FUNC_PC10_UART4_TX \
(STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_PULLUP)
#define STM32F4_PINMUX_FUNC_PC11_USART3_RX \
(STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)

12
dts/arm/st/f4/stm32f4-pinctrl.dtsi
View file

@ -45,6 +45,18 @@
tx = <STM32_PIN_PD8 (STM32_PINMUX_ALT_FUNC_7 | STM32_PUSHPULL_NOPULL)>;
};
};
uart4_pins_a: uart4_a {
rx_tx {
rx = <STM32_PIN_PA1 (STM32_PINMUX_ALT_FUNC_8 | STM32_PUPDR_NO_PULL)>;
tx = <STM32_PIN_PA0 (STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_NOPULL)>;
};
};
uart4_pins_b: uart4_b {
rx_tx {
rx = <STM32_PIN_PC11 (STM32_PINMUX_ALT_FUNC_8 | STM32_PUPDR_NO_PULL)>;
tx = <STM32_PIN_PC10 (STM32_PINMUX_ALT_FUNC_8 | STM32_PUSHPULL_NOPULL)>;
};
};
usart6_pins_a: usart6_a {
rx_tx {
rx = <STM32_PIN_PC7 (STM32_PINMUX_ALT_FUNC_8 | STM32_PUPDR_NO_PULL)>;

9
dts/arm/st/f4/stm32f4.dtsi
View file

@ -133,6 +133,15 @@
label = "UART_2";
};
uart4: serial@40004c00 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40004C00 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00080000>;
interrupts = <52 0>;
status = "disabled";
label = "UART_4";
};
usart6: serial@40011400 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40011400 0x400>;

8
soc/arm/st_stm32/stm32f4/dts_fixup.h
View file

@ -125,6 +125,14 @@
#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_UART_4_BASE_ADDRESS DT_ST_STM32_USART_40004C00_BASE_ADDRESS
#define DT_UART_STM32_UART_4_BAUD_RATE DT_ST_STM32_USART_40004C00_CURRENT_SPEED
#define DT_UART_STM32_UART_4_IRQ_PRI DT_ST_STM32_USART_40004C00_IRQ_0_PRIORITY
#define DT_UART_STM32_UART_4_NAME DT_ST_STM32_USART_40004C00_LABEL
#define DT_UART_4_IRQ DT_ST_STM32_USART_40004C00_IRQ_0
#define DT_UART_STM32_UART_4_CLOCK_BITS DT_ST_STM32_USART_40004C00_CLOCK_BITS
#define DT_UART_STM32_UART_4_CLOCK_BUS DT_ST_STM32_USART_40004C00_CLOCK_BUS
#define DT_UART_STM32_USART_6_NAME DT_ST_STM32_USART_40011400_LABEL
#define DT_UART_STM32_USART_6_BASE_ADDRESS DT_ST_STM32_USART_40011400_BASE_ADDRESS
#define DT_UART_STM32_USART_6_BAUD_RATE DT_ST_STM32_USART_40011400_CURRENT_SPEED