arm64: dts: imx8mp: Add ISI DT node

Add a DT node for the i.MX8MP ISI instance, and model to connection to
two CSI-2 receivers (CSIS).
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp.dtsi

@@ -1342,6 +1342,40 @@ ldb_lvds_ch1: endpoint {
 				};
 			};
 
+			isi_0: isi@32e00000 {
+				compatible = "fsl,imx8mp-isi";
+				reg = <0x32e00000 0x4000>;
+				interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+					     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&clk IMX8MP_CLK_MEDIA_AXI_ROOT>,
+					 <&clk IMX8MP_CLK_MEDIA_APB_ROOT>;
+				clock-names = "axi", "apb";
+				fsl,blk-ctrl = <&media_blk_ctrl>;
+				power-domains = <&media_blk_ctrl IMX8MP_MEDIABLK_PD_ISI>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						isi_in_0: endpoint {
+							remote-endpoint = <&mipi_csi_0_out>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						isi_in_1: endpoint {
+							remote-endpoint = <&mipi_csi_1_out>;
+						};
+					};
+				};
+			};
+
 			mipi_csi_0: csi@32e40000 {
 				compatible = "fsl,imx8mp-mipi-csi2", "fsl,imx8mm-mipi-csi2";
 				reg = <0x32e40000 0x10000>;
@@ -1368,6 +1402,10 @@ port@0 {
 
 					port@1 {
 						reg = <1>;
+
+						mipi_csi_0_out: endpoint {
+							remote-endpoint = <&isi_in_0>;
+						};
 					};
 				};
 			};
@@ -1398,6 +1436,10 @@ port@0 {
 
 					port@1 {
 						reg = <1>;
+
+						mipi_csi_1_out: endpoint {
+							remote-endpoint = <&isi_in_1>;
+						};
 					};
 				};
 			};