Re: [v2,2/2] dt-bindings: i2c-mux-pca954x: Add optional property i2c-mux-never-disable

From: Rob Herring
Date: Fri Oct 11 2019 - 10:44:48 EST


On Mon, Sep 30, 2019 at 11:25:03AM +0800, Biwen Li wrote:
> The patch adds an optional property i2c-mux-never-disable
>
> Signed-off-by: Biwen Li <biwen.li@xxxxxxx>
> ---
> Change in v2:
> - update documentation
>
> Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
> index 30ac6a60f041..71b73d0fdb62 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt
> @@ -34,6 +34,7 @@ Optional Properties:
> - first cell is the pin number
> - second cell is used to specify flags.
> See also Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> + - i2c-mux-never-disable: always forces mux to be enabled.

Either needs to have a vendor prefix or be documented as a common
property.

IIRC, we already have a property for mux default state which seems like
that would cover this unless you need to leave it in different states.

Rob