arm64: zynqmp: add ref_clk property for REFCLKPER calculation

Added ref_clk 'ref' property for GUCTL_REFCLKPER and GFLADJ_REFCLK_FLADJ
calculation. This property configure correct value for SOF/ITP counter
and period of ref_clk.
This patch adds 'ref' property for both dwc3_0 and dwc3_1 cores.

Signed-off-by: Piyush Mehta <piyush.mehta@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/417545b948ea12a9301a5e80851f98523be2b443.1661259809.git.michal.simek@amd.com

diff --git a/arch/arm/dts/zynqmp-clk-ccf.dtsi b/arch/arm/dts/zynqmp-clk-ccf.dtsi
index 7b09d75..b99eb07 100644 (file)
--- a/arch/arm/dts/zynqmp-clk-ccf.dtsi
+++ b/arch/arm/dts/zynqmp-clk-ccf.dtsi
@@ -260,11 +260,19 @@
        assigned-clocks = <&zynqmp_clk USB0_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
 };
 
+&dwc3_0 {
+       clocks = <&zynqmp_clk USB3_DUAL_REF>;
+};
+
 &usb1 {
        clocks = <&zynqmp_clk USB1_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
        assigned-clocks = <&zynqmp_clk USB1_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
 };
 
+&dwc3_1 {
+       clocks = <&zynqmp_clk USB3_DUAL_REF>;
+};
+
 &watchdog0 {
        clocks = <&zynqmp_clk WDT>;
 };

diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
index 2aaec6c..f4184f7 100644 (file)
--- a/arch/arm/dts/zynqmp.dtsi
+++ b/arch/arm/dts/zynqmp.dtsi
@@ -869,6 +869,7 @@
                                iommus = <&smmu 0x860>;
                                snps,quirk-frame-length-adjustment = <0x20>;
                                snps,refclk_fladj;
+                               clock-names = "ref";
                                snps,enable_guctl1_resume_quirk;
                                snps,enable_guctl1_ipd_quirk;
                                snps,xhci-stream-quirk;
@@ -900,6 +901,7 @@
                                iommus = <&smmu 0x861>;
                                snps,quirk-frame-length-adjustment = <0x20>;
                                snps,refclk_fladj;
+                               clock-names = "ref";
                                snps,enable_guctl1_resume_quirk;
                                snps,enable_guctl1_ipd_quirk;
                                snps,xhci-stream-quirk;