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| author |   Hsin-Yi Wang <hsinyi@chromium.org> | 2021-06-22 11:07:43 +0800 |
|---|---|---|
| committer |   Matthias Brugger <matthias.bgg@gmail.com> | 2021-08-05 17:37:54 +0200 |
| commit | ce5db043d2e8811f30de3ebb5d9e6bd8a33596c4 (patch) | |
| tree | b2d1b086ed65f72a425d486f89d86b2c09ddcc0c /Documentation/devicetree/bindings/mailbox | |
| parent | arm64: dts: mt8183: add mediatek,gce-events in mutex (diff) | |
| download | linux-dev-ce5db043d2e8811f30de3ebb5d9e6bd8a33596c4.tar.xz linux-dev-ce5db043d2e8811f30de3ebb5d9e6bd8a33596c4.zip | |
dt-bindings: mediatek: Add optional mediatek,gce-events property
This property is used by gce clients.
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210622030741.2120393-2-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/mailbox')
| -rw-r--r-- | Documentation/devicetree/bindings/mailbox/mtk-gce.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt index 7771ecaac586..2ef7ff67cb2b 100644 --- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt +++ b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt @@ -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>; + }; |