From: Bich Hemon <bich.hemon@xxxxxx>
Each usart controller should have an alias correctly
numbered in "aliases" node.
Signed-off-by: Gerald Baeza <gerald.baeza@xxxxxx>
---
Documentation/devicetree/bindings/serial/st,stm32-usart.txt | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
index 85ec5f2..a229b14 100644
--- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
+++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt
@@ -15,14 +15,23 @@ Optional properties:
- dmas: phandle(s) to DMA controller node(s). Refer to stm32-dma.txt
- dma-names: "rx" and/or "tx"
+Note: Each usart controller should have an alias correctly numbered
+in "aliases" node.
+
Examples:
-usart4: serial@40004c00 {
+aliases {
+ serial0 = &usart1;
+ serial1 = &usart2;
+ serial3 = &uart4;
+};
+
+uart4: serial@40004c00 {
compatible = "st,stm32-uart";
reg = <0x40004c00 0x400>;
interrupts = <52>;
clocks = <&clk_pclk1>;
pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_usart4>;
+ pinctrl-0 = <&pinctrl_uart4>;
};
usart2: serial@40004400 {
--
1.9.1
--
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