From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bibby Hsieh Subject: [PATCH v2 02/10] dt-binding: gce: add binding for gce event property Date: Wed, 6 Mar 2019 17:50:27 +0800 Message-ID: <1551865835-50974-3-git-send-email-bibby.hsieh@mediatek.com> References: <1551865835-50974-1-git-send-email-bibby.hsieh@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1551865835-50974-1-git-send-email-bibby.hsieh@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Jassi Brar , Matthias Brugger , Rob Herring , CK HU Cc: Daniel Kurtz , Sascha Hauer , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, Sascha Hauer , Philipp Zabel , Nicolas Boichat , Bibby Hsieh , YT Shen , Daoyuan Huang , Jiaguang Zhang , Dennis-YC Hsieh , Houlong Wei , ginny.chen@mediatek.com, kendrick.hsu@mediatek.com, Frederic Chen List-Id: devicetree@vger.kernel.org cmdq driver provide a function that get event number from device node for client. add specification for #event-cells, mediatek,gce-event-names, mediatek,gce-events. Signed-off-by: Bibby Hsieh --- Documentation/devicetree/bindings/mailbox/mtk-gce.txt | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt index 9c0d982..812698f 100644 --- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt +++ b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt @@ -21,12 +21,20 @@ 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. +- 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. @@ -41,6 +49,7 @@ Example: clock-names = "gce"; thread-num = CMDQ_THR_MAX_COUNT; #mbox-cells = <3>; + #event-cells = <1>; }; Example for a client device: @@ -50,8 +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 = ; - mutex-event-eof = ; - + mediatek,gce-event-names = "rdma0_sof", + "rsz0_sof"; + mediatek,gce-events = <&gce CMDQ_EVENT_MDP_RDMA0_SOF>, + <&gce CMDQ_EVENT_MDP_RSZ0_SOF>; ... }; -- 1.9.1