Re: [v3,1/2] dt-bindings: i2c: support property idle-state

From: Rob Herring
Date: Thu Oct 17 2019 - 10:54:35 EST


On Wed, Oct 16, 2019 at 12:09:19PM +0800, Biwen Li wrote:
> This supports property idle-state

The subject should indicate this is just for pca954x.

>
> Signed-off-by: Biwen Li <biwen.li@xxxxxxx>
> ---
> Change in v3:
> - update subject and description
> - add some information for property idle-state
>
> Change in v2:
> - update subject and description
> - add property idle-state
>
> Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
> index 30ac6a60f041..7abda506b828 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
> @@ -25,6 +25,8 @@ Required Properties:
> Optional Properties:
>
> - reset-gpios: Reference to the GPIO connected to the reset input.
> + - idle-state: if present, overrides i2c-mux-idle-disconnect,
> + Please refer to Documentation/devicetree/bindings/mux/mux-controller.txt
> - i2c-mux-idle-disconnect: Boolean; if defined, forces mux to disconnect all
> children in idle state. This is necessary for example, if there are several
> multiplexers on the bus and the devices behind them use same I2C addresses.
> --
> 2.17.1
>