linux-kernel - [PATCH 4/4] dt-bindings: display: add IMX MIPI DSI host controller doc

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Date:   Thu, 31 Oct 2019 16:26:33 +0200
From:   Adrian Ratiu <adrian.ratiu@...labora.com>
To:     linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-rockchip@...ts.infradead.org
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com, Sjoerd Simons <sjoerd.simons@...labora.com>,
        Martyn Welch <martyn.welch@...labora.com>
Subject: [PATCH 4/4] dt-bindings: display: add IMX MIPI DSI host controller doc

Signed-off-by: Sjoerd Simons <sjoerd.simons@...labora.com>
Signed-off-by: Martyn Welch <martyn.welch@...labora.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@...labora.com>
---
 .../bindings/display/imx/mipi-dsi.txt         | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/imx/mipi-dsi.txt

diff --git a/Documentation/devicetree/bindings/display/imx/mipi-dsi.txt b/Documentation/devicetree/bindings/display/imx/mipi-dsi.txt
new file mode 100644
index 000000000000..3f05c32ef963
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/imx/mipi-dsi.txt
@@ -0,0 +1,56 @@
+Freescale i.MX6 DW MIPI DSI Host Controller
+===========================================
+
+The DSI host controller is a Synopsys DesignWare MIPI DSI v1.01 IP
+with a companion PHY IP.
+
+These DT bindings follow the Synopsys DW MIPI DSI bindings defined in
+Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt with
+the following device-specific properties.
+
+Required properties:
+
+- #address-cells: Should be <1>.
+- #size-cells: Should be <0>.
+- compatible: "fsl,imx6q-mipi-dsi", "snps,dw-mipi-dsi".
+- reg: See dw_mipi_dsi.txt.
+- interrupts: The controller's CPU interrupt.
+- clocks, clock-names: Phandles to the controller's pll reference
+  clock(ref) and APB clock(pclk), as described in [1].
+- ports: a port node with endpoint definitions as defined in [2].
+- gpr: Should be <&gpr>.
+       Phandle to the iomuxc-gpr region containing the multiplexer
+       control register.
+
+[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
+[2] Documentation/devicetree/bindings/media/video-interfaces.txt
+
+Example:
+
+	mipi_dsi: mipi@...0000 {
+		#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>;
+		gpr = <&gpr>;
+		clocks = <&clks IMX6QDL_CLK_MIPI_CORE_CFG>,
+			 <&clks IMX6QDL_CLK_MIPI_IPG>;
+		clock-names = "ref", "pclk";
+		status = "okay";
+
+		ports {
+			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>;
+				};
+			};
+		};
+        };
-- 
2.23.0