Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935143AbbKTIQs (ORCPT ); Fri, 20 Nov 2015 03:16:48 -0500 Received: from mail-ig0-f193.google.com ([209.85.213.193]:33288 "EHLO mail-ig0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934666AbbKTIQq (ORCPT ); Fri, 20 Nov 2015 03:16:46 -0500 From: Chris Zhong To: heiko@sntech.de, linux-rockchip@lists.infradead.org, mark.yao@rock-chips.com, treding@nvidia.com, emil.l.velikov@gmail.com Cc: airlied@linux.ie, ajaykumar.rs@samsung.com, rmk+kernel@arm.linux.org.uk, dri-devel@lists.freedesktop.org, Liu Ying , Liu Ying , Chris Zhong , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 05/13] Documentation: dt-bindings: Add bindings for Synopsys DW MIPI DSI DRM bridge driver Date: Fri, 20 Nov 2015 16:15:31 +0800 Message-Id: <1448007339-10966-6-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1448007339-10966-1-git-send-email-zyw@rock-chips.com> References: <1448007339-10966-1-git-send-email-zyw@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3811 Lines: 117 From: Liu Ying This patch adds device tree bindings for Synopsys DesignWare MIPI DSI host controller DRM bridge driver. Signed-off-by: Liu Ying Signed-off-by: Chris Zhong --- Changes in v4: remove gpr property from example, since it is noused now. add the description about ports Changes in v3: move the dw_mipi_dsi.txt to Documentation/devicetree/bindings/display/bridge Changes in v2: None .../bindings/display/bridge/dw_mipi_dsi.txt | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt diff --git a/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt b/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt new file mode 100644 index 0000000..8572ab3 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt @@ -0,0 +1,80 @@ +Device-Tree bindings for Synopsys DesignWare MIPI DSI host controller + +The controller is a digital core that implements all protocol functions +defined in the MIPI DSI specification, providing an interface between +the system and the MIPI DPHY, and allowing communication with a MIPI DSI +compliant display. + +Required properties: + - #address-cells: Should be <1>. + - #size-cells: Should be <0>. + - compatible: The first compatible string should be "fsl,imx6q-mipi-dsi" + for i.MX6q/sdl SoCs. For other SoCs, please refer to their specific + device tree binding documentations. A common compatible string + "snps,dw-mipi-dsi" should be appended for all SoCs. + - reg: Represent the physical address range of the controller. + - interrupts: Represent the controller's interrupt to the CPU(s). + - clocks, clock-names: Phandles to the controller's pll reference + clock(ref), configuration clock(cfg) and APB clock(pclk), as + described in [1]. + - port@[X]: SoC specific port nodes with endpoint definitions as defined + in Documentation/devicetree/bindings/media/video-interfaces.txt, + please refer to the SoC specific binding document: + * Documentation/devicetree/bindings/display/rockchip/dw_mipi_dsi-rockchip.txt + + +For more required properties, please refer to relevant device tree binding +documentations which describe the controller embedded in specific SoCs. + +Required sub-nodes: + - A node to represent a DSI peripheral as described in [2]. + +For more required sub-nodes, please refer to relevant device tree binding +documentations which describe the controller embedded in specific SoCs. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/display/mipi-dsi-bus.txt + +example: + gpr: iomuxc-gpr@020e0000 { + /* ... */ + }; + + mipi_dsi: mipi@021e0000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx6q-mipi-dsi", "snps,dw-mipi-dsi"; + reg = <0x021e0000 0x4000>; + interrupts = <0 102 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6QDL_CLK_MIPI_CORE_CFG>, + <&clks IMX6QDL_CLK_MIPI_CORE_CFG>, + <&clks IMX6QDL_CLK_MIPI_IPG>; + clock-names = "ref", "cfg", "pclk"; + + 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>; + /* ... */ + }; + }; -- 2.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/