ARM: dts: clk: Add apll related clocks

The patch adds a mux node to choose the parent of apll_pcie_ck node.
Signed-off-by: NJ Keerthy <j-keerthy@ti.com>
Signed-off-by: NTero Kristo <t-kristo@ti.com>
Tested-by: NNishanth Menon <nm@ti.com>
Acked-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NMike Turquette <mturquette@linaro.org>

arch/arm/boot/dts/dra7xx-clocks.dtsi

@@ -1150,11 +1150,19 @@
 		ti,invert-autoidle-bit;
 	};
 
+	apll_pcie_in_clk_mux: apll_pcie_in_clk_mux@4ae06118 {
+		compatible = "ti,mux-clock";
+		clocks = <&dpll_pcie_ref_ck>, <&pciesref_acs_clk_ck>;
+		#clock-cells = <0>;
+		reg = <0x021c 0x4>;
+		ti,bit-shift = <7>;
+	};
+
 	apll_pcie_ck: apll_pcie_ck {
 		#clock-cells = <0>;
-		compatible = "ti,omap4-dpll-clock";
-		clocks = <&dpll_pcie_ref_ck>, <&dpll_pcie_ref_ck>;
-		reg = <0x0200>, <0x0204>, <0x020c>, <0x0208>;
+		compatible = "ti,dra7-apll-clock";
+		clocks = <&apll_pcie_in_clk_mux>, <&dpll_pcie_ref_ck>;
+		reg = <0x021c>, <0x0220>;
 	};
 
 	apll_pcie_clkvcoldo: apll_pcie_clkvcoldo {