[PATCH] dt-bindings: serial: stm32: add examples

[Valentin CARON - foss]

On 3/5/21 7:53 PM, Rob Herring wrote:
> On Tue, Feb 09, 2021 at 10:59:48AM +0100, Valentin Caron wrote:
>> From: Valentin Caron <valentin.caron at st.com>
>>
>> Add examples to show more use cases :
>>   - uart2 with hardware flow control
>>   - uart4 without flow control
> Why do I need these? I can go read your dts files if I need more
> examples.
Hi,

These examples were present in the dt-binding before the convertion to 
json :

https://patchwork.kernel.org/project/linux-arm-kernel/patch/20200122095558.22553-3-benjamin.gaignard@st.com/

Would you like a v2 with this precision ?
However this is not an essential patch, we can just drop it.
>
>> Signed-off-by: Valentin Caron <valentin.caron at foss.st.com>
>> ---
>>   .../bindings/serial/st,stm32-uart.yaml        | 20 +++++++++++++++++++
>>   1 file changed, 20 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
>> index 06d5f251ec88..3a4aab5d1862 100644
>> --- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
>> +++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
>> @@ -82,6 +82,26 @@ additionalProperties: false
>>   examples:
>>     - |
>>       #include <dt-bindings/clock/stm32mp1-clks.h>
>> +
>> +    usart4: serial at 40004c00 {
>> +      compatible = "st,stm32-uart";
>> +      reg = <0x40004c00 0x400>;
>> +      interrupts = <52>;
>> +      clocks = <&clk_pclk1>;
>> +      pinctrl-names = "default";
>> +      pinctrl-0 = <&pinctrl_usart4>;
>> +    };
>> +
>> +    usart2: serial at 40004400 {
>> +      compatible = "st,stm32-uart";
>> +      reg = <0x40004400 0x400>;
>> +      interrupts = <38>;
>> +      clocks = <&clk_pclk1>;
>> +      st,hw-flow-ctrl;
>> +      pinctrl-names = "default";
>> +      pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rtscts>;
>> +    };
>> +
>>       usart1: serial at 40011000 {
>>         compatible = "st,stm32-uart";
>>         reg = <0x40011000 0x400>;
>> -- 
>> 2.17.1
>>