arm64: zynqmp: Setup clock for DP and DPDMA

Clocks are coming from shared HW design where these frequencies should be
aligned with PLL setup.
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/807e22371394222f728ff7d6b190a96a12145439.1683034376.git.michal.simek@amd.com

arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi

@@ -248,10 +248,14 @@ &xilinx_ams {
 
 &zynqmp_dpdma {
 	clocks = <&zynqmp_clk DPDMA_REF>;
+	assigned-clocks = <&zynqmp_clk DPDMA_REF>; /* apll */
 };
 
 &zynqmp_dpsub {
 	clocks = <&zynqmp_clk TOPSW_LSBUS>,
 		 <&zynqmp_clk DP_AUDIO_REF>,
 		 <&zynqmp_clk DP_VIDEO_REF>;
+	assigned-clocks = <&zynqmp_clk DP_STC_REF>,
+			  <&zynqmp_clk DP_AUDIO_REF>,
+			  <&zynqmp_clk DP_VIDEO_REF>;  /* rpll, rpll, vpll */
 };

arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso

@@ -98,10 +98,12 @@ &zynqmp_dpsub {
 	status = "disabled";
 	phy-names = "dp-phy0", "dp-phy1";
 	phys = <&psgtr 1 PHY_TYPE_DP 0 0>, <&psgtr 0 PHY_TYPE_DP 1 0>;
+	assigned-clock-rates = <27000000>, <25000000>, <300000000>;
 };
 
 &zynqmp_dpdma {
 	status = "okay";
+	assigned-clock-rates = <600000000>;
 };
 
 &usb0 {

arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso

@@ -79,10 +79,12 @@ &zynqmp_dpsub {
 	status = "disabled";
 	phy-names = "dp-phy0", "dp-phy1";
 	phys = <&psgtr 1 PHY_TYPE_DP 0 0>, <&psgtr 0 PHY_TYPE_DP 1 0>;
+	assigned-clock-rates = <27000000>, <25000000>, <300000000>;
 };
 
 &zynqmp_dpdma {
 	status = "okay";
+	assigned-clock-rates = <600000000>;
 };
 
 &usb0 {