[PATCH 02/11] DOCUMENTATION: dt-bindings: Document the STM32 USART bindings
From: Alexandre TORGUE <hidden>
Date: 2016-09-15 16:42:34
Also in:
linux-devicetree, linux-serial
Subsystem:
open firmware and flattened device tree bindings, the rest, tty layer and serial drivers · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Possibly related (same subject, not in this thread)
- 2016-10-06 · Re: [PATCH 02/11] DOCUMENTATION: dt-bindings: Document the STM32 USART bindings · Alexandre Torgue <hidden>
- 2016-10-05 · Re: [PATCH 02/11] DOCUMENTATION: dt-bindings: Document the STM32 USART bindings · Rob Herring <hidden>
- 2016-10-05 · Re: [PATCH 02/11] DOCUMENTATION: dt-bindings: Document the STM32 USART bindings · Gerald Baeza <hidden>
- 2016-09-23 · Re: [PATCH 02/11] DOCUMENTATION: dt-bindings: Document the STM32 USART bindings · Rob Herring <hidden>
This adds documentation of device tree bindings for the STM32 USART Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com> Signed-off-by: Alexandre TORGUE <redacted>
diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
new file mode 100644
index 0000000..75b1400
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt@@ -0,0 +1,34 @@ +* STMicroelectronics STM32 USART + +Required properties: +- compatible: Can be either "st,stm32-usart", "st,stm32-uart", +"st,stm32f7-usart" or "st,stm32f7-uart" depending on whether +the device supports synchronous mode and is compatible with +stm32(f4) or stm32f7. +- reg: The address and length of the peripheral registers space +- interrupts: The interrupt line of the USART instance +- clocks: The input clock of the USART instance + +Optional properties: +- pinctrl: The reference on the pins configuration +- st,hw-flow-ctrl: bool flag to enable hardware flow control. + +Examples: +usart4: serial at 40004c00 { + compatible = "st,stm32-uart"; + reg = <0x40004c00 0x400>; + interrupts = <52>; + clocks = <&clk_pclk1>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart4>; +}; + +usart2: serial at 40004400 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40004400 0x400>; + interrupts = <38>; + clocks = <&clk_pclk1>; + st,hw-flow-ctrl; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rtscts>; +};
--
1.9.1