Commit 1da90b8a authored by jason-jh.lin's avatar jason-jh.lin Committed by Matthias Brugger
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dt-bindings: arm: mediatek: mmsys: add power and gce properties 



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: default avatarjason-jh.lin <jason-jh.lin@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarCK Hu <ck.hu@mediatek.com>
Link: https://lore.kernel.org/r/20220419033237.23405-2-rex-bc.chen@mediatek.com


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 9d7370a5

Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml

+31 −0
Original line number Diff line number Diff line
@@ -41,6 +41,30 @@ properties: 
  reg:

    maxItems: 1



  power-domains:

    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.



  mboxes:

    description:

      Using mailbox to communicate with GCE, it should have this

      property and list of phandle, mailbox specifiers. See

      Documentation/devicetree/bindings/mailbox/mtk-gce.txt for details.

    $ref: /schemas/types.yaml#/definitions/phandle-array



  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



  "#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>;

    };