[PATCH v3 2/5] dt-bindings: soc: add document for rockchip reboot notifier driver

Rob Herring
2015-11-18T22:59:04Z

On Wed, Nov 18, 2015 at 05:53:30PM +0800, Andy Yan wrote:
> Add devicetree binding document for rockchip reboot nofifier driver

Just reading the subject this is way too specific to the Linux driver
needs rather than a h/w description. Please don't create fake DT nodes
just to bind to drivers. Whatever &pmu is is probably what should have
the DT node. Let the driver for it create child devices if you need
that.

Rob
>
> Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
>
> ---
>
> Changes in v3:
> - add dt binding
>
> Changes in v2: None
>
> .../bindings/soc/rockchip/rockchip-reboot.txt | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/rockchip/rockchip-reboot.txt
>
> diff --git a/Documentation/devicetree/bindings/soc/rockchip/rockchip-reboot.txt b/Documentation/devicetree/bindings/soc/rockchip/rockchip-reboot.txt
> new file mode 100644
> index 0000000..6f69c8d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/rockchip/rockchip-reboot.txt
> @@ -0,0 +1,18 @@
> +Rockchip reboot notifier driver
> +
> +This driver get reboot mode arguments from userspace
> +and stores it in special register. Then the bootloader
> +will read it and take different action according the
> +argument stored.
> +
> +Required properties:
> +- compatible: should be "rockchip,reboot"
> +- regmap: this is phandle to the register map node
> +- offset: offset in the register map for the storage register (in bytes)
> +
> +Examples:
> + reboot {
> + compatible = "rockchip,reboot";
> + regmap = <&pmu>;
> + offset = <0x94>;
> + };
> --
> 1.9.1
>
>