Re: [PATCH v3 1/3] dt-bindings: i2c: designware: add optional gpio recovery properties

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



+ DT maintainers

On Mon, 17 Sep 2018 11:27:41 +0800
Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx> wrote:

> Document the scl-gpios and sda-gpios properties for bus recovery.
> 
> Signed-off-by: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/i2c/i2c-designware.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-designware.txt b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> index fbb0a6d8b964..1d6a6a8061ba 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> @@ -20,6 +20,10 @@ Optional properties :
>   - i2c-sda-falling-time-ns : should contain the SDA falling time in nanoseconds.
>     This value which is by default 300ns is used to compute the tHIGH period.
>  
> + - scl-gpios: specify the gpio of the SCL line for gpio recovery
> +
> + - sda-gpios: specify the gpio of the SDA line for gpio recovery
> +
>  Examples :
>  
>  	i2c@f0000 {
> @@ -42,6 +46,8 @@ Examples :
>  		i2c-sda-hold-time-ns = <300>;
>  		i2c-sda-falling-time-ns = <300>;
>  		i2c-scl-falling-time-ns = <300>;
> +		scl-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
> +		sda-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
>  	};
>  
>  	i2c@1120000 {




[Index of Archives]     [Linux GPIO]     [Linux SPI]     [Linux Hardward Monitoring]     [LM Sensors]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux