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Sun, 28 Dec 2014 23:36:25 -0700 From: Liu Ying To: Subject: [PATCH RFC v6 13/21] Documentation: dt-bindings: Add bindings for i.MX specific Synopsys DW MIPI DSI driver Date: Mon, 29 Dec 2014 14:39:20 +0800 Message-ID: <1419835168-9034-14-git-send-email-Ying.Liu@freescale.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1419835168-9034-1-git-send-email-Ying.Liu@freescale.com> References: <1419835168-9034-1-git-send-email-Ying.Liu@freescale.com> X-EOPAttributedMessage: 0 Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=Ying.Liu@freescale.com; X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:NLI; EFV:NLI; SFV:NSPM; SFS:(10019020)(6009001)(339900001)(199003)(189002)(99396003)(229853001)(47776003)(107046002)(2950100001)(62966003)(77156002)(84676001)(110136001)(104016003)(6806004)(50226001)(64706001)(19580405001)(20776003)(2351001)(19580395003)(105606002)(36756003)(4396001)(106466001)(77096005)(89996001)(48376002)(87936001)(50466002)(97736003)(76176999)(50986999)(21056001)(120916001)(85426001)(68736005)(46102003)(86362001)(217873001); DIR:OUT; SFP:1102; SCL:1; SRVR:DM2PR0301MB0640; H:tx30smr01.am.freescale.net; FPR:; SPF:Fail; MLV:sfv; PTR:InfoDomainNonexistent; A:1; MX:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: UriScan:; X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:;SRVR:DM2PR0301MB0640; X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(601004); SRVR:DM2PR0301MB0640; X-Forefront-PRVS: 0440AC9990 X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:; SRVR:DM2PR0301MB0640; X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Dec 2014 06:36:29.8866 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d; Ip=[192.88.168.50] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM2PR0301MB0640 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141228_223654_162328_7048BC61 X-CRM114-Status: GOOD ( 12.46 ) X-Spam-Score: -0.6 (/) Cc: stefan.wahren@i2se.com, devicetree@vger.kernel.org, linux@arm.linux.org.uk, kernel@pengutronix.de, airlied@linux.ie, linux-kernel@vger.kernel.org, a.hajda@samsung.com, thierry.reding@gmail.com, p.zabel@pengutronix.de, mturquette@linaro.org, shawn.guo@linaro.org, linux-arm-kernel@lists.infradead.org, andyshrk@gmail.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds device tree bindings for i.MX specific Synopsys DW MIPI DSI driver. Signed-off-by: Liu Ying --- v5->v6: * Add the #address-cells and #size-cells properties in the example 'ports' node. * Remove the useless pllref_gate clock from the required clocks, clock-names property. v4->v5: * None. v3->v4: * Newly introduced in v4. This is separated from the relevant driver patch in v3 to address Stefan Wahren's comment. .../devicetree/bindings/drm/imx/mipi_dsi.txt | 78 ++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/drm/imx/mipi_dsi.txt diff --git a/Documentation/devicetree/bindings/drm/imx/mipi_dsi.txt b/Documentation/devicetree/bindings/drm/imx/mipi_dsi.txt new file mode 100644 index 0000000..75a7766 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/imx/mipi_dsi.txt @@ -0,0 +1,78 @@ +i.MX specific Device-Tree bindings for Synopsys DesignWare MIPI DSI host controller + +MIPI DSI host controller +======================== + +The MIPI DSI host controller is a Synopsys DesignWare IP. +The common device tree documentation for this controller can be found +at [1]. + +Required properties: + - #address-cells: Should be <1>. + - #size-cells: Should be <0>. + - compatible: The compatible string should be "fsl,imx6q-mipi-dsi" + for i.MX6q/sdl SoCs. + - reg: Physical base address of the controller and length of memory + mapped region. + - interrupts: The controller's interrupt number to the CPU(s). + - gpr: Should be <&gpr>. + The phandle points to the iomuxc-gpr region containing the + multiplexer control register for the controller. + - clocks, clock-names: Phandles to the controller pllref and core_cfg clocks, + as described in [2] and [3]. + +Required sub-nodes: + - ports: This node may contain up to four port nodes with endpoint + definitions as defined in [4], corresponding to the four inputs to + the controller multiplexer. + - A node to represent a DSI peripheral as described in [5]. + +[1] Documentation/devicetree/bindings/drm/bridge/dw_mipi_dsi.txt. +[2] Documentation/devicetree/bindings/clock/clock-bindings.txt +[3] Documentation/devicetree/bindings/clock/imx6q-clock.txt +[4] Documentation/devicetree/bindings/media/video-interfaces.txt +[5] Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt + +example: + gpr: iomuxc-gpr@020e0000 { + /* ... */ + }; + + mipi_dsi: mipi@021e0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-mipi-dsi"; + reg = <0x021e0000 0x4000>; + interrupts = <0 102 IRQ_TYPE_LEVEL_HIGH>; + gpr = <&gpr>; + clocks = <&clks IMX6QDL_CLK_MIPI_CORE_CFG>, + <&clks IMX6QDL_CLK_MIPI_CORE_CFG>; + clock-names = "pllref", "core_cfg"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + mipi_mux_0: endpoint { + remote-endpoint = <&ipu1_di0_mipi>; + }; + }; + + port@1 { + reg = <1>; + + mipi_mux_1: endpoint { + remote-endpoint = <&ipu1_di1_mipi>; + }; + }; + }; + + panel { + compatible = "truly,tft480800-16-e-dsi"; + reg = <0>; + /* ... */ + }; + };