Client hardware would send event to GCE hardware, so #event-cells, mediatek,gce-event-names, mediatek,gce-events. present the event. Signed-off-by: Bibby Hsieh <bibby.hsieh@xxxxxxxxxxxx> --- .../devicetree/bindings/mailbox/mtk-gce.txt | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt index 1f7f8f2a3f49..2f175d6b296d 100644 --- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt +++ b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt @@ -21,12 +21,21 @@ Required properties: priority: Priority of GCE thread. atomic_exec: GCE processing continuous packets of commands in atomic way. +- #event-cells: Should be 1. + <&phandle event_number> + phandle: Label name of a gce node. + event_number: the event number defined in 'dt-bindings/gce/mt8173-gce.h' + or 'dt-binding/gce/mt8183-gce.h'. Required properties for a client device: - mboxes: Client use mailbox to communicate with GCE, it should have this property and list of phandle, mailbox specifiers. - mediatek,gce-subsys: u32, specify the sub-system id which is corresponding to the register address. +Optional propertier for a client device: +- mediatek,gce-event-names: the event name can be defined by user. +- mediatek,gce-events: u32, the event number defined in + 'dt-bindings/gce/mt8173-gce.h' or 'dt-binding/gce/mt8183-gce.h'. Some vaules of properties are defined in 'dt-bindings/gce/mt8173-gce.h' or 'dt-binding/gce/mt8183-gce.h'. Such as sub-system ids, thread priority, event ids. @@ -40,6 +49,7 @@ Example: clocks = <&infracfg CLK_INFRA_GCE>; clock-names = "gce"; #mbox-cells = <3>; + #event-cells = <1>; }; Example for a client device: @@ -49,8 +59,9 @@ Example for a client device: mboxes = <&gce 0 CMDQ_THR_PRIO_LOWEST 1>, <&gce 1 CMDQ_THR_PRIO_LOWEST 1>; mediatek,gce-subsys = <SUBSYS_1400XXXX>; - mutex-event-eof = <CMDQ_EVENT_MUTEX0_STREAM_EOF - CMDQ_EVENT_MUTEX1_STREAM_EOF>; - + mediatek,gce-event-names = "rdma0_sof", + "rsz0_sof"; + mediatek,gce-events = <&gce CMDQ_EVENT_MDP_RDMA0_SOF>, + <&gce CMDQ_EVENT_MDP_RSZ0_SOF>; ... }; -- 2.18.0
