[PATCH v5 04/12] dt-binding: gce: add binding for gce event property

Bibby Hsieh
2019-05-07T08:13:47Z

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@mediatek.com>
---
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.
+- 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>;
...
--
2.18.0