On Tue, Apr 19, 2022 at 11:32:33AM +0800, Rex-BC Chen wrote:
> From: "jason-jh.lin" <jason-jh.lin@xxxxxxxxxxxx>
>
> Power:
> 1. Add description for power-domains property.
>
> GCE:
> 1. Add description for mboxes property.
> 2. Add description for mediatek,gce-client-reg property.
>
> Signed-off-by: jason-jh.lin <jason-jh.lin@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> ---
> .../bindings/arm/mediatek/mediatek,mmsys.yaml | 31 +++++++++++++++++++
> 1 file changed, 31 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> index b31d90dc9eb4..6c2c3edcd443 100644
> --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> @@ -41,6 +41,30 @@ properties:
> reg:
> maxItems: 1
>
> + power-domains:
How many and what are they.
> + description:
> + A phandle and PM domain specifier as defined by bindings
> + of the power controller specified by phandle. See
> + Documentation/devicetree/bindings/power/power-domain.yaml for details.
Drop. Don't need generic descriptions of common properties.
> +
> + mboxes:
How many?
> + description:
> + Using mailbox to communicate with GCE, it should have this
If using?
> + property and list of phandle, mailbox specifiers. See
> + Documentation/devicetree/bindings/mailbox/mtk-gce.txt for details.
Drop
> + $ref: /schemas/types.yaml#/definitions/phandle-array
Already has a type.
> +
> + mediatek,gce-client-reg:
> + description:
> + The register of client driver can be configured by gce with 4 arguments
> + defined in this property, such as phandle of gce, subsys id,
> + register offset and size.
> + Each subsys id is mapping to a base address of display function blocks
> + register which is defined in the gce header
> + include/dt-bindings/gce/<chip>-gce.h.
> + $ref: /schemas/types.yaml#/definitions/phandle-array
> + maxItems: 1
This needs to define exact sizes.
items:
- items:
- description: phandle to GCE
- description: subsy id
- description: register offset
- description: register size
> +
> "#clock-cells":
> const: 1
>
> @@ -56,9 +80,16 @@ additionalProperties: false
>
> examples:
> - |
> + #include <dt-bindings/power/mt8173-power.h>
> + #include <dt-bindings/gce/mt8173-gce.h>
> +
> mmsys: syscon@14000000 {
> compatible = "mediatek,mt8173-mmsys", "syscon";
> reg = <0x14000000 0x1000>;
> + power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
> #clock-cells = <1>;
> #reset-cells = <1>;
> + mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>,
> + <&gce 1 CMDQ_THR_PRIO_HIGHEST>;
> + mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
> };
> --
> 2.18.0
>
>
