ARM: dts: imx7: add MIPI-DSI support

This adds the device tree support for the MIPI-DSI block. The block can
be used as encoder for the parallel signals coming from the lcdif block.

Signed-off-by: Marco Felsch <[email protected]>
Signed-off-by: Roland Hieber <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>

arch/arm/boot/dts/nxp/imx/imx7s.dtsi

@@ -825,6 +825,16 @@
 					<&clks IMX7D_LCDIF_PIXEL_ROOT_CLK>;
 				clock-names = "pix", "axi";
 				status = "disabled";
+
+				port {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					lcdif_out_mipi_dsi: endpoint@0 {
+						reg = <0>;
+						remote-endpoint = <&mipi_dsi_in_lcdif>;
+					};
+				};
 			};
 
 			mipi_csi: mipi-csi@30750000 {
@@ -857,6 +867,42 @@
 					};
 				};
 			};
+
+			mipi_dsi: dsi@30760000 {
+				compatible = "fsl,imx7d-mipi-dsim", "fsl,imx8mm-mipi-dsim";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <0x30760000 0x400>;
+				clocks = <&clks IMX7D_MIPI_DSI_ROOT_CLK>,
+					 <&clks IMX7D_MIPI_DPHY_ROOT_CLK>;
+				clock-names = "bus_clk", "sclk_mipi";
+				assigned-clocks = <&clks IMX7D_MIPI_DSI_ROOT_SRC>,
+						  <&clks IMX7D_PLL_SYS_PFD5_CLK>;
+				assigned-clock-parents = <&clks IMX7D_PLL_SYS_PFD5_CLK>;
+				assigned-clock-rates = <0>, <333000000>;
+				power-domains = <&pgc_mipi_phy>;
+				interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+				samsung,burst-clock-frequency = <891000000>;
+				samsung,esc-clock-frequency = <20000000>;
+				samsung,pll-clock-frequency = <24000000>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						mipi_dsi_in_lcdif: endpoint@0 {
+							reg = <0>;
+							remote-endpoint = <&lcdif_out_mipi_dsi>;
+						};
+					};
+				};
+			};
 		};
 
 		aips3: bus@30800000 {