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drivers: serial: add dts peripherals to stm32g0

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Added device tree nodes and associated headers for
defined uarts on the stm32g0 and stm32g07x 8x parts.

Tested with uart on stm32g071rb disco board with usart3 going to stlink.
Using shell.

Signed-off-by: Kieran Levin <ktl@frame.work>
This commit is contained in:
Kieran Levin 2020-03-23 10:29:50 -07:00 • committed by Ioannis Glaropoulos
commit acac1584bc
4 changed files with 37 additions and 1 deletions
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2
drivers/serial/Kconfig.stm32
View file

@ -99,7 +99,7 @@ config UART_10
config LPUART_1
bool "Enable STM32 LPUART1 Port"
depends on SOC_SERIES_STM32L0X || SOC_SERIES_STM32L4X || SOC_SERIES_STM32WBX || SOC_SERIES_STM32H7X || SOC_SERIES_STM32G4X
depends on SOC_SERIES_STM32L0X || SOC_SERIES_STM32L4X || SOC_SERIES_STM32WBX || SOC_SERIES_STM32H7X || SOC_SERIES_STM32G4X || SOC_SERIES_STM32G0X
help
Enable support for LPUART1 port in the driver.
Say y here if you want to use LPUART1 device.

11
dts/arm/st/g0/stm32g0.dtsi
View file

@ -2,6 +2,7 @@
* Copyright (c) 2019 Philippe Retornaz <philippe@shapescale.com>
* Copyright (c) 2019 ST Microelectronics
* Copyright (c) 2019 Centaur Analytics, Inc
* Copyright (C) 2020 Framework Computer LLC <ktl@frame.work>
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -121,6 +122,16 @@
status = "disabled";
};
lpuart1: serial@40008000 {
compatible = "st,stm32-lpuart", "st,stm32-uart";
reg = <0x40008000 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00100000>;
interrupts = <29 3>;
interrupt-names = "combined";
status = "disabled";
label = "LPUART_1";
};
usart1: serial@40013800 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40013800 0x400>;

24
dts/arm/st/g0/stm32g071.dtsi
View file

@ -6,3 +6,27 @@
*/
#include <st/g0/stm32g0.dtsi>
/ {
soc {
usart3: serial@40004800 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40004800 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00040000>;
interrupts = <29 0>;
interrupt-names = "combined";
status = "disabled";
label = "UART_3";
};
usart4: serial@40004c00 {
compatible = "st,stm32-usart", "st,stm32-uart";
reg = <0x40004c00 0x400>;
clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00080000>;
interrupts = <29 1>;
interrupt-names = "combined";
status = "disabled";
label = "UART_4";
};
};
};

1
soc/arm/st_stm32/stm32g0/soc.h
View file

@ -54,6 +54,7 @@
#ifdef CONFIG_SERIAL_HAS_DRIVER
#include <stm32g0xx_ll_usart.h>
#include <stm32g0xx_ll_lpuart.h>
#endif
#ifdef CONFIG_HWINFO_STM32