Re: [PATCH v2 4/7] dt-bindings: counter: ftm-quaddec

From: Rob Herring
Date: Tue Mar 12 2019 - 15:09:57 EST


On Wed, Mar 06, 2019 at 12:12:05PM +0100, Patrick Havelange wrote:
> FlexTimer quadrature decoder driver.
>
> Signed-off-by: Patrick Havelange <patrick.havelange@xxxxxxxxxxxxx>
> Reviewed-by: Esben Haabendal <esben@xxxxxxxxxxxx>
> ---
> Changes v2
> - None
> ---
> .../bindings/counter/ftm-quaddec.txt | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/counter/ftm-quaddec.txt
>
> diff --git a/Documentation/devicetree/bindings/counter/ftm-quaddec.txt b/Documentation/devicetree/bindings/counter/ftm-quaddec.txt
> new file mode 100644
> index 000000000000..4d18cd722074
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/counter/ftm-quaddec.txt
> @@ -0,0 +1,18 @@
> +FlexTimer Quadrature decoder counter
> +
> +This driver exposes a simple counter for the quadrature decoder mode.

Seems like this is more a mode of a h/w block than describing a h/w
block. Bindings should do the latter.

> +
> +Required properties:
> +- compatible: Must be "fsl,ftm-quaddec".
> +- reg: Must be set to the memory region of the flextimer.
> +
> +Optional property:
> +- big-endian: Access the device registers in big-endian mode.
> +
> +Example:
> + counter0: counter@29d0000 {
> + compatible = "fsl,ftm-quaddec";
> + reg = <0x0 0x29d0000 0x0 0x10000>;
> + big-endian;
> + status = "disabled";
> + };
> --
> 2.19.1
>