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SubjectRe: [PATCH 1/4] dt-bindings: reset: document Odroid Go Ultra power-off
On Mon, Oct 31, 2022 at 05:47:25PM +0100, Neil Armstrong wrote:
> The Hardkernel Odroid Go Ultra poweroff scheme requires requesting a poweroff
> to its two PMICs in order, this represents the poweroff scheme needed to complet
> a clean poeroff of the system.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
> .../reset/hardkernel,odroid-go-ultra-poweroff.yaml | 42 ++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/power/reset/hardkernel,odroid-go-ultra-poweroff.yaml b/Documentation/devicetree/bindings/power/reset/hardkernel,odroid-go-ultra-poweroff.yaml
> new file mode 100644
> index 000000000000..65e42258717c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/reset/hardkernel,odroid-go-ultra-poweroff.yaml
> @@ -0,0 +1,42 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/power/reset/hardkernel,odroid-go-ultra-poweroff.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Hardkernel Odroid Go Ultra poweroff
> +
> +maintainers:
> + - Neil Armstrong <neil.armstrong@linaro.org>
> +
> +description:
> + The Hardkernel Odroid Go Ultra poweroff scheme requires requesting a poweroff
> + to its two PMICs in order, this represents the poweroff scheme needed to complete
> + a clean poeroff of the system.

You don't really need a node for this. Test against the top level
compatible and then find the PMIC nodes by their compatible strings.

> +
> +properties:
> + compatible:
> + const: hardkernel,odroid-go-ultra-poweroff
> +
> + hardkernel,rk817-pmic:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: Phandle to the RK817 PMIC node
> +
> + hardkernel,rk818-pmic:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: Phandle to the RK818 PMIC node
> +
> +required:
> + - compatible
> + - hardkernel,rk817-pmic
> + - hardkernel,rk818-pmic
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + poweroff {
> + compatible = "hardkernel,odroid-go-ultra-poweroff";
> + hardkernel,rk817-pmic = <&rk817>;
> + hardkernel,rk818-pmic = <&rk818>;
> + };
>
> --
> b4 0.10.1
>

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