linux-kernel - [PATCH RFC v5 11/21] Documentation: dt-bindings: Add bindings for Synopsys DW MIPI DSI DRM bridge driver

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Message-ID: <1419410383-6359-12-git-send-email-Ying.Liu@freescale.com>
Date:	Wed, 24 Dec 2014 16:39:33 +0800
From:	Liu Ying <Ying.Liu@...escale.com>
To:	<dri-devel@...ts.freedesktop.org>
CC:	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux@....linux.org.uk>,
	<kernel@...gutronix.de>, <p.zabel@...gutronix.de>,
	<thierry.reding@...il.com>, <shawn.guo@...aro.org>,
	<mturquette@...aro.org>, <airlied@...ux.ie>, <andyshrk@...il.com>,
	<stefan.wahren@...e.com>, <a.hajda@...sung.com>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH RFC v5 11/21] Documentation: dt-bindings: Add bindings for Synopsys DW MIPI DSI DRM bridge driver

This patch adds device tree bindings for Synopsys DesignWare MIPI DSI
host controller DRM bridge driver.

Signed-off-by: Liu Ying <Ying.Liu@...escale.com>
---
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/bridge/dw_mipi_dsi.txt | 72 ++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/drm/bridge/dw_mipi_dsi.txt

diff --git a/Documentation/devicetree/bindings/drm/bridge/dw_mipi_dsi.txt b/Documentation/devicetree/bindings/drm/bridge/dw_mipi_dsi.txt
new file mode 100644
index 0000000..5dcbd9f
--- /dev/null
+++ b/Documentation/devicetree/bindings/drm/bridge/dw_mipi_dsi.txt
@@ -0,0 +1,72 @@
+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 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.
+ - 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 pll reference and
+   core configuration clocks, as described in [1].
+
+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/mipi/dsi/mipi-dsi-bus.txt
+
+example:
+	gpr: iomuxc-gpr@...e0000 {
+		/* ... */
+	};
+
+	mipi_dsi: mipi@...e0000 {
+		#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 {
+			port@0 {
+				reg = <0>;
+				input-port;
+
+				mipi_mux_0: endpoint {
+					remote-endpoint = <&ipu1_di0_mipi>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				input-port;
+
+				mipi_mux_1: endpoint {
+					remote-endpoint = <&ipu1_di1_mipi>;
+				};
+			};
+		};
+
+		panel {
+			compatible = "truly,tft480800-16-e-dsi";
+			reg = <0>;
+			/* ... */
+		};
+	};
-- 
2.1.0

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