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Thu, 16 May 2019 17:02:27 +0800 From: Bibby Hsieh To: Jassi Brar , Matthias Brugger , Rob Herring , CK HU Subject: [PATCH v6 03/12] dt-binding: gce: add binding for gce subsys property Date: Thu, 16 May 2019 17:02:15 +0800 Message-ID: <20190516090224.59070-4-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190516090224.59070-1-bibby.hsieh@mediatek.com> References: <20190516090224.59070-1-bibby.hsieh@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 133ABA43BC3171D96E19DE5D7CE24F57DF595CB91A101F3EBF67AE96D240CE432000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190516_020508_454755_43F3BC09 X-CRM114-Status: GOOD ( 10.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Nicolas Boichat , Philipp Zabel , srv_heupstream@mediatek.com, Daoyuan Huang , Sascha Hauer , linux-kernel@vger.kernel.org, Daniel Kurtz , Houlong Wei , linux-mediatek@lists.infradead.org, Dennis-YC Hsieh , Sascha Hauer , YT Shen , Jiaguang Zhang , Bibby Hsieh , linux-arm-kernel@lists.infradead.org, ginny.chen@mediatek.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org tcmdq driver provide a function that get the relationship of sub system number from device node for client. add specification for #subsys-cells, mediatek,gce-subsys. Signed-off-by: Bibby Hsieh --- .../devicetree/bindings/mailbox/mtk-gce.txt | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt index 1f7f8f2a3f49..dceab63ccd06 100644 --- a/Documentation/devicetree/bindings/mailbox/mtk-gce.txt +++ b/Documentation/devicetree/bindings/mailbox/mtk-gce.txt @@ -21,11 +21,19 @@ Required properties: priority: Priority of GCE thread. atomic_exec: GCE processing continuous packets of commands in atomic way. +- #subsys-cells: Should be 3. + <&phandle subsys_number start_offset size> + phandle: Label name of a gce node. + subsys_number: specify the sub-system id which is corresponding + to the register address. + start_offset: the start offset of register address that GCE can access. + size: the total size of register address that GCE can access. 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 +Optional properties for a client device: +- mediatek,gce-client-reg: u32, specify the sub-system id which is corresponding to the register address. Some vaules of properties are defined in 'dt-bindings/gce/mt8173-gce.h' @@ -40,6 +48,7 @@ Example: clocks = <&infracfg CLK_INFRA_GCE>; clock-names = "gce"; #mbox-cells = <3>; + #subsys-cells = <3>; }; Example for a client device: @@ -48,9 +57,9 @@ Example for a client device: compatible = "mediatek,mt8173-mmsys"; mboxes = <&gce 0 CMDQ_THR_PRIO_LOWEST 1>, <&gce 1 CMDQ_THR_PRIO_LOWEST 1>; - mediatek,gce-subsys = ; mutex-event-eof = ; - + mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x3000 0x1000>, + <&gce SUBSYS_1401XXXX 0x2000 0x100>; ... }; -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel