[v2,12/18] dt-bindings: Document the STM32 USART bindings
diff mbox

Message ID 1424455277-29983-13-git-send-email-mcoquelin.stm32@gmail.com
State New
Headers show

Commit Message

Maxime Coquelin Feb. 20, 2015, 6:01 p.m. UTC
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

Comments

Arnd Bergmann March 10, 2015, 3:08 p.m. UTC | #1
On Friday 20 February 2015 19:01:11 Maxime Coquelin wrote:
> +
> +Example:
> +usart1: usart@40011000 {
> +       compatible = "st,stm32-usart";
> 

Please use generic node names everywhere. The standard name for a serial
port is "serial".

	Arnd
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Maxime Coquelin March 10, 2015, 3:45 p.m. UTC | #2
2015-03-10 16:08 GMT+01:00 Arnd Bergmann <arnd@arndb.de>:
> On Friday 20 February 2015 19:01:11 Maxime Coquelin wrote:
>> +
>> +Example:
>> +usart1: usart@40011000 {
>> +       compatible = "st,stm32-usart";
>>
>
> Please use generic node names everywhere. The standard name for a serial
> port is "serial".

I already had the remark, and it is already fixed in the next version.

Thanks,
Maxime

>
>         Arnd
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Patch
diff mbox

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>;
+};