diff options
Diffstat (limited to 'sys/contrib/device-tree/Bindings/mailbox/mtk-gce.txt')
| -rw-r--r-- | sys/contrib/device-tree/Bindings/mailbox/mtk-gce.txt | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/sys/contrib/device-tree/Bindings/mailbox/mtk-gce.txt b/sys/contrib/device-tree/Bindings/mailbox/mtk-gce.txt index 7771ecaac586..c2aeba63bd47 100644 --- a/sys/contrib/device-tree/Bindings/mailbox/mtk-gce.txt +++ b/sys/contrib/device-tree/Bindings/mailbox/mtk-gce.txt @@ -9,7 +9,8 @@ CMDQ driver uses mailbox framework for communication. Please refer to mailbox.txt for generic information about mailbox device-tree bindings. Required properties: -- compatible: can be "mediatek,mt8173-gce", "mediatek,mt8183-gce" or +- compatible: can be "mediatek,mt8173-gce", "mediatek,mt8183-gce", + "mediatek,mt8186-gce", "mediatek,mt8192-gce", "mediatek,mt8195-gce" or "mediatek,mt6779-gce". - reg: Address range of the GCE unit - interrupts: The interrupt signal from the GCE block @@ -35,9 +36,15 @@ 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. +'dt-bindings/gce/mt8183-gce.h', 'dt-bindings/gce/mt8186-gce.h' +'dt-bindings/gce/mt8192-gce.h', 'dt-bindings/gce/mt8195-gce.h' or +'dt-bindings/gce/mt6779-gce.h'. +Such as sub-system ids, thread priority, event ids. Example: @@ -62,3 +69,14 @@ 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>; + }; |