# Re: \[PATCH 05/10\] dt-bindings: power: reset: Add bindings for twl6030-power

- From: Rob Herring \<robh@kernel.org\>
- Date: 2022-08-22 19:32:12 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2022/08/1903389
- Thread: https://ratatoskr.run/linux-input/2022/08/1901351/t.md

```text
On Sat, Aug 20, 2022 at 12:46:55PM +0530, Mithil Bavishi wrote:
> Adds documentation for the twl6030 power driver.
> 
> Signed-off-by: Paul Kocialkowski <redacted>
> Signed-off-by: Mithil Bavishi <redacted>
> ---
>  .../bindings/power/reset/twl6030-power.txt    | 31 +++++++++++++++++++

New bindings must be DT schema format.

>  1 file changed, 31 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/reset/twl6030-power.txt
> 
> diff --git a/Documentation/devicetree/bindings/power/reset/twl6030-power.txt b/Documentation/devicetree/bindings/power/reset/twl6030-power.txt
> new file mode 100644
> index 000000000..946bb3d9f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/reset/twl6030-power.txt
> @@ -0,0 +1,31 @@
> +Texas Instruments TWL family (twl6030) reset and power management module
> +
> +For now, the binding only supports the complete shutdown of the system after
> +poweroff.
> +
> +Required properties:
> +- compatible : must be
> +       "ti,twl6030-power"
> +
> +Optional properties:
> +
> +- ti,system-power-controller: This indicates that TWL6030 is the

We have a generic property for this.

> +  power supply master of the system. With this flag, the chip will
> +  initiate an ACTIVE-to-OFF or SLEEP-to-OFF transition when the
> +  system poweroffs.
> +
> +Example:
> +&i2c1 {
> +       clock-frequency = <2600000>;
> +
> +       twl: twl@48 {
> +               reg = <0x48>;
> +               interrupts = <7>; /* SYS_NIRQ cascaded to intc */
> +               interrupt-parent = <&intc>;
> +
> +               twl_power: power {
> +                       compatible = "ti,twl6030-power";
> +                       ti,system-power-controller;

Why do you need a child node here? There aren't any resources for the 
sub-block.

Rob

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```