On Wed, Apr 25, 2018 at 05:32:27PM +0800, sean.wang@xxxxxxxxxxxx wrote:
> From: Sean Wang <sean.wang@xxxxxxxxxxxx>
>
> Adding device-tree binding for the power controller which is a tiny
> circuit block present as a part of MT6323 PMIC and is responsible for
> externally powering off or on a remote SoC the PMIC is connected to.
>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
> ---
> .../bindings/power/reset/mt6323-poweroff.txt | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
>
> diff --git a/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt b/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
> new file mode 100644
> index 0000000..6f7c590
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
> @@ -0,0 +1,20 @@
> +Device Tree Bindings for Power Controller on MediaTek PMIC
> +
> +The power controller which could be found on PMIC is responsible for externally
> +powering off or on the remote MediaTek SoC through the circuit BBPU.
> +
> +Required properties:
> +- compatible: Should be one of follows
> + "mediatek,mt6323-pwrc": for MT6323 PMIC
> +
> +Example:
> +
> + pmic {
> + compatible = "mediatek,mt6323";
> +
> + ...
> +
> + power-controller {
> + compatible = "mediatek,mt6323-pwrc";
Why do you need this in DT? It doesn't define any resources. The parent
can just as well register a reset or poweroff handler.
Rob
> + };
> + }
> --
> 2.7.4
>
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