[PATCH 02/20] dt-bindings: serial: each stm32 usart needs an alias

[Bich HEMON]

From: Bich Hemon <bich.he...@st.com>

Each usart controller should have an alias correctly
numbered in "aliases" node.

Signed-off-by: Gerald Baeza <gerald.ba...@st.com>
---
 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