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Mon, 15 Jan 2018 17:57:48 -0800 (PST) From: Hyun Kwon To: , CC: Michal Simek , Rob Herring , Daniel Vetter , Laurent Pinchart , Hyun Kwon Subject: [PATCH v3 1/8] dt-bindings: display: xlnx: Add bindings for Xilinx display pipeline Date: Mon, 15 Jan 2018 17:57:04 -0800 Message-ID: <1516067831-11382-1-git-send-email-hyun.kwon@xilinx.com> X-Mailer: git-send-email 2.7.4 X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23596.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83; IPV:NLI; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(39380400002)(39860400002)(396003)(346002)(376002)(2980300002)(438002)(189003)(199004)(59450400001)(6666003)(356003)(52956003)(50466002)(48376002)(305945005)(110136005)(316002)(90966002)(54906003)(106002)(42186006)(6346003)(26005)(5660300001)(8936002)(8746002)(81166006)(2906002)(50226002)(51416003)(8676002)(81156014)(4326008)(103686004)(36756003)(63266004)(478600001)(47776003)(5890100001)(106466001)(107886003)(6266002)(107986001)(2101003); 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Ip=[149.199.60.83]; Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR02MB3391 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The dt binding for Xilinx display pipeline. The pipeline can be composed with multiple and different types of sub-devices. This node is to represent the entire pipeline as a single entity. Signed-off-by: Hyun Kwon Acked-by: Daniel Vetter --- v2 - Remove linux specific terms - Elaborate details, ex regarding port binding - Rename xlnx,kms to xlnx,display - Rename the file name to xlnx,display.txt - Add examples of hardware blocks --- --- .../bindings/display/xlnx/xlnx,display.txt | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/xlnx/xlnx,display.txt -- 2.7.4 This email and any attachments are intended for the sole use of the named recipient(s) and contain(s) confidential information that may be proprietary, privileged or copyrighted under applicable law. If you are not the intended recipient, do not read, copy, or forward this email message or any attachments. Delete this email message and any attachments immediately. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/Documentation/devicetree/bindings/display/xlnx/xlnx,display.txt b/Documentation/devicetree/bindings/display/xlnx/xlnx,display.txt new file mode 100644 index 0000000..fde1a35 --- /dev/null +++ b/Documentation/devicetree/bindings/display/xlnx/xlnx,display.txt @@ -0,0 +1,68 @@ +Xilinx Display Pipeline +----------------------- + +Xilinx display pipeline can be designed with various types of multiple IPs: +IPs hardened on chip, ob board IPs, and soft IPs in programmable logic. +While each component would need its own node, this node represents +a whole display pipeline as a single entity by integrating individual subdevice +with glue logics. + +The following illustrates some examples of topology: + +A linear pipeline with multiple blocks: + + SoC DMA -> SoC display controller -> SoC display enc +or, + FPGA DMA -> FPGA display controller -> FPGA display enc + +A pipeline with branches: + + SoC DMA -> SoC display controller -> SoC display enc + | + FPGA DMA-> +or, + SoC DMA -> SoC display controller -> SoC display enc + | + -> FPAG display enc + +or, + + SoC DMA -> SoC display controller -> SoC display enc + | | + FPGA display controller -> -> FPGA display enc + +Required properties: + +- compatible: Must be "xlnx,display". + +- ports: phandles for ports of display controller subdevice. + In the display controller port nodes, topology for entire pipeline + should be described using the DT bindings defined in + Documentation/devicetree/bindings/graph.txt. + +Example: + + xlnx_display { + compatible = "xlnx,display"; + ports = <&display_controller_port>; + }; + + display_controller { + ... + display_controller_port: port@0 { + display_controller_ep: endpoint { + remote-endpoint = <&dp_controller_ep>; + }; + }; + ... + }; + + dp_controller { + ... + dp_controller_port: port@0 { + dp_controller_ep: endpoint { + remote-endpoint = <&display_controller_ep>; + }; + }; + ... + }; From patchwork Tue Jan 16 01:57:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hyun Kwon X-Patchwork-Id: 861170 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=xilinx.onmicrosoft.com header.i=@xilinx.onmicrosoft.com header.b="MHawZDah"; 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Mon, 15 Jan 2018 17:57:49 -0800 Received: from [127.0.0.1] (helo=xsj-smtp-dlp1.xlnx.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1ebGVZ-0002sz-EJ; Mon, 15 Jan 2018 17:57:49 -0800 Received: from xsj-pvapsmtp01 (xsj-smtp.xilinx.com [149.199.38.66]) by xsj-smtp-dlp1.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id w0G1vmLQ010596; Mon, 15 Jan 2018 17:57:48 -0800 Received: from [172.19.2.244] (helo=xsjhyunkubuntu) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1ebGVY-0002sb-Eu; Mon, 15 Jan 2018 17:57:48 -0800 Received: by xsjhyunkubuntu (Postfix, from userid 13638) id 6E8152C6914; Mon, 15 Jan 2018 17:57:48 -0800 (PST) From: Hyun Kwon To: , CC: Michal Simek , Rob Herring , Daniel Vetter , Laurent Pinchart , Hyun Kwon Subject: [PATCH v3 3/8] dt-bindings: display: xlnx: Add ZynqMP DP subsystem bindings Date: Mon, 15 Jan 2018 17:57:06 -0800 Message-ID: <1516067831-11382-3-git-send-email-hyun.kwon@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1516067831-11382-1-git-send-email-hyun.kwon@xilinx.com> References: <1516067831-11382-1-git-send-email-hyun.kwon@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23596.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83; 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Ip=[149.199.60.83]; Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM2PR02MB1338 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This add a dt binding for ZynqMP DP subsystem. Signed-off-by: Hyun Kwon --- v2 - Group multiple ports under 'ports' - Replace linux specific terms with generic hardware descriptions --- --- .../bindings/display/xlnx/xlnx,zynqmp-dpsub.txt | 98 ++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.txt -- 2.7.4 This email and any attachments are intended for the sole use of the named recipient(s) and contain(s) confidential information that may be proprietary, privileged or copyrighted under applicable law. If you are not the intended recipient, do not read, copy, or forward this email message or any attachments. Delete this email message and any attachments immediately. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.txt b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.txt new file mode 100644 index 0000000..dbcbde5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.txt @@ -0,0 +1,98 @@ +Xilinx ZynqMP DisplayPort subsystem +----------------------------------- + +Required properties: + +- compatible: Must be "xlnx,zynqmp-dpsub-1.7". + +- reg: Physical base address and length of the registers set for the device. +- reg-names: Must be "dp", "blend", "av_buf", and "aud" to map logical register + partitions. + +- interrupts: Interrupt number. +- interrupts-parent: phandle for interrupt controller. + +- clocks: phandles for axi, audio, non-live video, and live video clocks. + axi clock is required. Audio clock is optional. If not present, audio will + be disabled. One of non-live or live video clock should be present. +- clock-names: The identification strings are required. "aclk" for axi clock. + "dp_aud_clk" for audio clock. "dp_vtc_pixel_clk_in" for non-live video clock. + "dp_live_video_in_clk" for live video clock (clock from programmable logic). + +- phys: phandles for phy specifier. +- phy-names: The identifier strings. "dp-phy" followed by index. + +- power-domains: phandle for the corresponding power domain + +- ports: There are 2 logical blocks in the IP: display controller and + DisplayPort encoder. Each block can be used / connected independently with + external device, hence ports for each block are required using DT bindings + defined in Documentation/devicetree/bindings/graph.txt. Refer to + ./xlnx,display.txt for how topology for entire pipeline is described. + +- vid-layer, gfx-layer: Required to represent available layers + +Required layer properties + +- dmas: phandles for DMA channels as defined in + Documentation/devicetree/bindings/dma/dma.txt. +- dma-names: The identifier strings are required. "graphics0" for graphics + layer. "video" followed by index for video layer + +Optional child node + +- The driver populates any child device node in this node. This can be used, + for example, to populate the sound device from the DisplayPort subsystem + driver. + +Example: + zynqmp_dpsub: zynqmp_dpsub@fd4a0000 { + compatible = "xlnx,zynqmp-dpsub-1.7"; + reg = <0x0 0xfd4a0000 0x0 0x1000>, + <0x0 0xfd4aa000 0x0 0x1000>, + <0x0 0xfd4ab000 0x0 0x1000>, + <0x0 0xfd4ac000 0x0 0x1000>; + reg-names = "dp", "blend", "av_buf", "aud"; + interrupts = <0 119 4>; + interrupt-parent = <&gic>; + + clock-names = "dp_apb_clk", "dp_aud_clk", "dp_live_video_in_clk"; + clocks = <&dp_aclk>, <&clkc 17>, <&si570_1>; + + phys = <&lane1>, <&lane0>; + phy-names = "dp-phy0", "dp-phy1"; + + power-domains = <&pd_dp>; + + vid-layer { + dma-names = "vid0", "vid1", "vid2"; + dmas = <&xlnx_dpdma 0>, + <&xlnx_dpdma 1>, + <&xlnx_dpdma 2>; + }; + + gfx-layer { + dma-names = "gfx0"; + dmas = <&xlnx_dpdma 3>; + }; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + display_port: port@0 { + reg = <0>; + display_port: endpoint { + remote-endpoint = <&dp_port>; + }; + }; + port@1 { + reg = <1>; + dp_port: endpoint { + remote-endpoint = <&display_port>; + }; + }; + } + }; +}; +