arm64: dts: ti: k3-am64-main: Add PCIe DT node

AM64 has one PCIe instance which can be configured in either
host mode (RC) or device mode (EP). Add PCIe DT node for host
mode and device mode here.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20210603142251.14563-3-kishon@ti.com

arch/arm64/boot/dts/ti/k3-am64-main.dtsi

@@ -734,4 +734,50 @@ serdes0: serdes@f000000 {
 			#clock-cells = <1>;
 		};
 	};
+
+	pcie0_rc: pcie@f102000 {
+		compatible = "ti,am64-pcie-host", "ti,j721e-pcie-host";
+		reg = <0x00 0x0f102000 0x00 0x1000>,
+		      <0x00 0x0f100000 0x00 0x400>,
+		      <0x00 0x0d000000 0x00 0x00800000>,
+		      <0x00 0x68000000 0x00 0x00001000>;
+		reg-names = "intd_cfg", "user_cfg", "reg", "cfg";
+		interrupt-names = "link_state";
+		interrupts = <GIC_SPI 203 IRQ_TYPE_EDGE_RISING>;
+		device_type = "pci";
+		ti,syscon-pcie-ctrl = <&main_conf 0x4070>;
+		max-link-speed = <2>;
+		num-lanes = <1>;
+		power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 114 0>, <&serdes0 CDNS_TORRENT_REFCLK_DRIVER>;
+		clock-names = "fck", "pcie_refclk";
+		#address-cells = <3>;
+		#size-cells = <2>;
+		bus-range = <0x0 0xff>;
+		cdns,no-bar-match-nbits = <64>;
+		vendor-id = <0x104c>;
+		device-id = <0xb010>;
+		msi-map = <0x0 &gic_its 0x0 0x10000>;
+		ranges = <0x01000000 0x00 0x68001000  0x00 0x68001000  0x00 0x0010000>,
+			 <0x02000000 0x00 0x68011000  0x00 0x68011000  0x00 0x7fef000>;
+		dma-ranges = <0x02000000 0x0 0x0 0x0 0x0 0x00000010 0x0>;
+	};
+
+	pcie0_ep: pcie-ep@f102000 {
+		compatible = "ti,am64-pcie-ep", "ti,j721e-pcie-ep";
+		reg = <0x00 0x0f102000 0x00 0x1000>,
+		      <0x00 0x0f100000 0x00 0x400>,
+		      <0x00 0x0d000000 0x00 0x00800000>,
+		      <0x00 0x68000000 0x00 0x08000000>;
+		reg-names = "intd_cfg", "user_cfg", "reg", "mem";
+		interrupt-names = "link_state";
+		interrupts = <GIC_SPI 203 IRQ_TYPE_EDGE_RISING>;
+		ti,syscon-pcie-ctrl = <&main_conf 0x4070>;
+		max-link-speed = <2>;
+		num-lanes = <1>;
+		power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 114 0>;
+		clock-names = "fck";
+		max-functions = /bits/ 8 <1>;
+	};
 };