Signed-off-by: Gerald Baeza <gerald.baeza@xxxxxx>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@xxxxxx>
diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
index 75b1400..85ec5f2 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
+++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
@@ -12,6 +12,8 @@ stm32(f4) or stm32f7.
Optional properties:
- pinctrl: The reference on the pins configuration
- st,hw-flow-ctrl: bool flag to enable hardware flow control.
+- dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt
+- dma-names: "rx" and/or "tx"
Examples:
usart4: serial@40004c00 {
@@ -32,3 +34,13 @@ usart2: serial@40004400 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rtscts>;
};
+
+usart1: serial@40011000 {
+ compatible = "st,stm32-usart", "st,stm32-uart";
+ reg = <0x40011000 0x400>;
+ interrupts = <37>;
+ clocks = <&rcc 0 164>;
+ dmas = <&dma2 2 4 0x414 0x0>,
+ <&dma2 7 4 0x414 0x0>;
+ dma-names = "rx", "tx";
+};
--
1.9.1
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