ARM: dts: dra7: Add dt data for PCIe PHY

Added dt data for PCIe PHY as a child node of ocp2scp3.
The documention for this node can be found @ ../bindings/phy/ti-phy.txt.
26.3.3 PCIe Shared PHY Subsystem Integration in vE of DRA7xx ES1.0
describes the PCIe PHY subsystem-related components integrated in the device.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/dra7.dtsi

@@ -816,6 +816,47 @@ sata_phy: phy@4A096000 {
 				clock-names = "sysclk";
 				#phy-cells = <0>;
 			};
+
+			pcie1_phy: pciephy@4a094000 {
+				compatible = "ti,phy-pipe3-pcie";
+				reg = <0x4a094000 0x80>, /* phy_rx */
+				      <0x4a094400 0x64>; /* phy_tx */
+				reg-names = "phy_rx", "phy_tx";
+				ctrl-module = <&omap_control_pcie1phy>;
+				clocks = <&dpll_pcie_ref_ck>,
+					 <&dpll_pcie_ref_m2ldo_ck>,
+					 <&optfclk_pciephy1_32khz>,
+					 <&optfclk_pciephy1_clk>,
+					 <&optfclk_pciephy1_div_clk>,
+					 <&optfclk_pciephy_div>;
+				clock-names = "dpll_ref", "dpll_ref_m2",
+					      "wkupclk", "refclk",
+					      "div-clk", "phy-div";
+				#phy-cells = <0>;
+				id = <1>;
+				ti,hwmods = "pcie1-phy";
+			};
+
+			pcie2_phy: pciephy@4a095000 {
+				compatible = "ti,phy-pipe3-pcie";
+				reg = <0x4a095000 0x80>, /* phy_rx */
+				      <0x4a095400 0x64>; /* phy_tx */
+				reg-names = "phy_rx", "phy_tx";
+				ctrl-module = <&omap_control_pcie2phy>;
+				clocks = <&dpll_pcie_ref_ck>,
+					 <&dpll_pcie_ref_m2ldo_ck>,
+					 <&optfclk_pciephy2_32khz>,
+					 <&optfclk_pciephy2_clk>,
+					 <&optfclk_pciephy2_div_clk>,
+					 <&optfclk_pciephy_div>;
+				clock-names = "dpll_ref", "dpll_ref_m2",
+					      "wkupclk", "refclk",
+					      "div-clk", "phy-div";
+				#phy-cells = <0>;
+				ti,hwmods = "pcie2-phy";
+				id = <2>;
+				status = "disabled";
+			};
 		};
 
 		sata: sata@4a141100 {