Hi, Bibby: On Tue, 2019-05-07 at 16:13 +0800, Bibby Hsieh wrote: > Client hardware would send event to GCE hardware, > mediatek,gce-event-names and mediatek,gce-events > can be used to present the event. > > Signed-off-by: Bibby Hsieh <bibby.hsieh@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/mailbox/mtk-gce.txt | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt > index 8fd9479bc9f6..76491f194c56 100644 > --- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt > +++ b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt > @@ -35,6 +35,9 @@ Required properties for a client device: > Optional propertier for a client device: > - mediatek,gce-client-reg: u32, specify the sub-system id which is corresponding > to the register address. > +- mediatek,gce-event-names: the event name can be defined by user. gce-event is like an interrupt from client hardware to GCE hardware, we do not give a name to an interrupt, so do we need to give a name for gce-event? Regards, CK > +- 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. > @@ -57,8 +60,10 @@ Example for a client device: > compatible = "mediatek,mt8173-mmsys"; > mboxes = <&gce 0 CMDQ_THR_PRIO_LOWEST 1>, > <&gce 1 CMDQ_THR_PRIO_LOWEST 1>; > - mutex-event-eof = <CMDQ_EVENT_MUTEX0_STREAM_EOF > - CMDQ_EVENT_MUTEX1_STREAM_EOF>; > + mediatek,gce-event-names = "rdma0_sof", > + "rsz0_sof"; > + mediatek,gce-events = <CMDQ_EVENT_MDP_RDMA0_SOF>, > + <CMDQ_EVENT_MDP_RSZ0_SOF>; > mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x3000 0x1000>, > <&gce SUBSYS_1401XXXX 0x2000 0x100>; > ...
