Commit ce5db043 authored by Hsin-Yi Wang's avatar Hsin-Yi Wang Committed by Matthias Brugger
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dt-bindings: mediatek: Add optional mediatek,gce-events property 



This property is used by gce clients.

Signed-off-by: default avatarHsin-Yi Wang <hsinyi@chromium.org>
Acked-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210622030741.2120393-2-hsinyi@chromium.org


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 02912fb7

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

+15 −0
Original line number Diff line number Diff line
@@ -35,6 +35,10 @@ Optional properties for a client device: 
  start_offset: the start offset of register address that GCE can access.

  size: the total size of register address that GCE can access.



Optional properties for a client mutex node:

- mediatek,gce-events: GCE events used by clients. The event numbers are

  defined in 'dt-bindings/gce/<chip>-gce.h'.



Some vaules of properties are defined in 'dt-bindings/gce/mt8173-gce.h',

'dt-binding/gce/mt8183-gce.h' or 'dt-bindings/gce/mt6779-gce.h'. Such as

sub-system ids, thread priority, event ids.
@@ -62,3 +66,14 @@ Example for a client device: 
					  <&gce SUBSYS_1401XXXX 0x2000 0x100>;

		...

	};



Example for a client mutex node:

	mutex: mutex@14020000 {

		compatible = "mediatek,mt8173-disp-mutex";

		reg = <0 0x14020000 0 0x1000>;

		interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_LOW>;

		power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;

		clocks = <&mmsys CLK_MM_MUTEX_32K>;

		mediatek,gce-events = <CMDQ_EVENT_MUTEX0_STREAM_EOF>,

				      <CMDQ_EVENT_MUTEX1_STREAM_EOF>;

	};