soc: arm: stm32: stm32l1: Add UART support
Add UART support for STM32L1 series SoCs. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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3 changed files with 58 additions and 0 deletions
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@ -25,6 +25,33 @@
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};
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soc {
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usart2: serial@40004400 {
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compatible = "st,stm32-usart", "st,stm32-uart";
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reg = <0x40004400 0x400>;
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00020000>;
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interrupts = <38 0>;
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status = "disabled";
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label = "UART_2";
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};
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usart3: serial@40004800 {
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compatible = "st,stm32-usart", "st,stm32-uart";
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reg = <0x40004800 0x400>;
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clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00040000>;
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interrupts = <39 0>;
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status = "disabled";
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label = "UART_3";
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};
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usart1: serial@40013800 {
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compatible = "st,stm32-usart", "st,stm32-uart";
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reg = <0x40013800 0x400>;
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clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00004000>;
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interrupts = <37 0>;
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status = "disabled";
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label = "UART_1";
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};
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rcc: rcc@40023800 {
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compatible = "st,stm32-rcc";
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clocks-controller;
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@ -8,4 +8,31 @@
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#define DT_NUM_IRQ_PRIO_BITS DT_ARM_V7M_NVIC_E000E100_ARM_NUM_IRQ_PRIORITY_BITS
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#define DT_UART_STM32_USART_1_BASE_ADDRESS DT_ST_STM32_USART_40013800_BASE_ADDRESS
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#define DT_UART_STM32_USART_1_BAUD_RATE DT_ST_STM32_USART_40013800_CURRENT_SPEED
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#define DT_UART_STM32_USART_1_IRQ_PRI DT_ST_STM32_USART_40013800_IRQ_0_PRIORITY
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#define DT_UART_STM32_USART_1_NAME DT_ST_STM32_USART_40013800_LABEL
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#define DT_USART_1_IRQ DT_ST_STM32_USART_40013800_IRQ_0
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#define DT_UART_STM32_USART_1_CLOCK_BITS DT_ST_STM32_USART_40013800_CLOCK_BITS
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#define DT_UART_STM32_USART_1_CLOCK_BUS DT_ST_STM32_USART_40013800_CLOCK_BUS
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#define DT_UART_STM32_USART_1_HW_FLOW_CONTROL DT_ST_STM32_USART_40013800_HW_FLOW_CONTROL
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#define DT_UART_STM32_USART_2_BASE_ADDRESS DT_ST_STM32_USART_40004400_BASE_ADDRESS
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#define DT_UART_STM32_USART_2_BAUD_RATE DT_ST_STM32_USART_40004400_CURRENT_SPEED
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#define DT_UART_STM32_USART_2_IRQ_PRI DT_ST_STM32_USART_40004400_IRQ_0_PRIORITY
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#define DT_UART_STM32_USART_2_NAME DT_ST_STM32_USART_40004400_LABEL
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#define DT_USART_2_IRQ DT_ST_STM32_USART_40004400_IRQ_0
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#define DT_UART_STM32_USART_2_CLOCK_BITS DT_ST_STM32_USART_40004400_CLOCK_BITS
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#define DT_UART_STM32_USART_2_CLOCK_BUS DT_ST_STM32_USART_40004400_CLOCK_BUS
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#define DT_UART_STM32_USART_2_HW_FLOW_CONTROL DT_ST_STM32_USART_40004400_HW_FLOW_CONTROL
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#define DT_UART_STM32_USART_3_BASE_ADDRESS DT_ST_STM32_USART_40004800_BASE_ADDRESS
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#define DT_UART_STM32_USART_3_BAUD_RATE DT_ST_STM32_USART_40004800_CURRENT_SPEED
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#define DT_UART_STM32_USART_3_IRQ_PRI DT_ST_STM32_USART_40004800_IRQ_0_PRIORITY
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#define DT_UART_STM32_USART_3_NAME DT_ST_STM32_USART_40004800_LABEL
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#define DT_USART_3_IRQ DT_ST_STM32_USART_40004800_IRQ_0
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#define DT_UART_STM32_USART_3_CLOCK_BITS DT_ST_STM32_USART_40004800_CLOCK_BITS
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#define DT_UART_STM32_USART_3_CLOCK_BUS DT_ST_STM32_USART_40004800_CLOCK_BUS
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#define DT_UART_STM32_USART_3_HW_FLOW_CONTROL DT_ST_STM32_USART_40004800_HW_FLOW_CONTROL
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/* End of SoC Level DTS fixup file */
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@ -35,6 +35,10 @@
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#include <stm32l1xx_ll_rcc.h>
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#endif /* CONFIG_CLOCK_CONTROL_STM32_CUBE */
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#ifdef CONFIG_SERIAL_HAS_DRIVER
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#include <stm32l1xx_ll_usart.h>
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#endif
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#endif /* !_ASMLANGUAGE */
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#endif /* _STM32L1_SOC_H_ */
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