Re: [PATCH/RFC 1/3] dt-bindings: i2c: i2c-gpio: Add support for named gpios

[Simon Horman <horms-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>]

On Thu, Aug 24, 2017 at 11:21:12AM +0200, Geert Uytterhoeven wrote:
> The current i2c-gpio DT bindings use a single unnamed "gpios" property
> to refer to the SDA and SCL signal lines by index.  This is error-prone
> for the casual DT writer and reviewer, as one has to look up the order
> in the DT bindings.
> 
> Fix this by amending the DT bindings to use two separate named gpios
> properties, and deprecate the old unnamed variant.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
> ---
>  Documentation/devicetree/bindings/i2c/i2c-gpio.txt | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-gpio.txt b/Documentation/devicetree/bindings/i2c/i2c-gpio.txt
> index 4f8ec947c6bd9cad..61033f73577dd70e 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-gpio.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-gpio.txt
> @@ -2,8 +2,9 @@ Device-Tree bindings for i2c gpio driver
>  
>  Required properties:
>  	- compatible = "i2c-gpio";
> -	- gpios: sda and scl gpio
> -
> +	- sda-gpios: gpio used for the sda signal
> +	- scl-gpios: gpio used for the scl signal
> +	- gpios: sda and scl gpio, alternative for {sda,scl}-gpios (deprecated)
>  
>  Optional properties:
>  	- i2c-gpio,sda-open-drain: sda as open drain

Maybe it would be best to update the example too?
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html