Re: [PATCH 1/5] dt-bindings: power: reset: Add qcom pon binding

[Bjorn Andersson <bjorn.andersson@linaro.org>]

On Mon 18 Jun 07:35 PDT 2018, Vinod Koul wrote:

> The Power On driver for Qcom PM 8xxx is a MFD supporting pwrkey and
> resin along with the Android reboot-mode.
> Add the binding describing this.
> 
> Suggested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> Signed-off-by: Vinod Koul <vkoul@kernel.org>
> ---
>  .../devicetree/bindings/power/reset/qcom,pon.txt   | 47 ++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/reset/qcom,pon.txt
> 
> diff --git a/Documentation/devicetree/bindings/power/reset/qcom,pon.txt b/Documentation/devicetree/bindings/power/reset/qcom,pon.txt
> new file mode 100644
> index 000000000000..d923835425c6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/reset/qcom,pon.txt
> @@ -0,0 +1,47 @@
> +Qualcomm PON Driver
> +
> +The Power On driver for Qualcomm PM8xxx is MFD supporting pwrkey and
> +resin along with the Android reboot-mode.
> +
> +This DT node has pwrkey and resin as sub nodes.
> +
> +Required Properties:
> +-compatible: "qcom,pm8916-pon"
> +-reg: Specifies the physical address of the pon register
> +
> +Optional property:

Better call these "Optional subnodes".

> +-prwrkey: Specifies the subnode pwrkey and should follow the
> + qcom,pm8xxx-pwrkey.txt description.
> +-resin: Specifies the subnode resin and should follow the
> + qcom,pm8xxx-pwrkey.txt description.
> +
> +The rest of the properties should follow the generic reboot-mode description
> +found in reboot-mode.txt
> +
> +Example:
> +
> +	pon@800 {
> +		compatible = "qcom,pm8916-pon";
> +
> +		reg = <0x800>;
> +		mode-bootloader = <0x2>;
> +		mode-recovery = <0x1>;
> +
> +		pwrkey {
> +			compatible = "qcom,pm8941-pwrkey";
> +			reg = <0x800>;

Didn't we conclude that you could drop the "reg" of the children?

Apart from that this looks good.

Regards,
Bjorn

> +			interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
> +			debounce = <15625>;
> +			bias-pull-up;
> +			linux,code = <KEY_POWER>;
> +		};
> +
> +		resin {
> +			compatible = "qcom,pm8941-resin";
> +			reg = <0x800>;
> +			interrupts = <0x0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
> +			debounce = <15625>;
> +			bias-pull-up;
> +			linux,code = <KEY_VOLUMEDOWN>;
> +		};
> +	};
> -- 
> 2.14.4
> 
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