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Subject[PATCH v2 12/18] dt-bindings: Document the STM32 USART bindings
Date
This adds documentation of device tree bindings for the
STM32 USART

Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
---
.../devicetree/bindings/serial/st,stm32-usart.txt | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/serial/st,stm32-usart.txt

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..e49b75ad
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
@@ -0,0 +1,18 @@
+* STMicroelectronics STM32 USART
+
+Required properties:
+- compatible: Should be "st,stm32-usart"
+- 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
+- pinctrl: The reference on the pins configuration
+
+Example:
+usart1: usart@40011000 {
+ compatible = "st,stm32-usart";
+ reg = <0x40011000 0x400>;
+ interrupts = <37>;
+ clocks = <&clk_pclk2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usart1>;
+};
--
1.9.1


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