arm64: versal: Add GFLADJ quirks for correcting SOF generation to DWC3

Add quirk for adjusting the GFLADJ register (global frame length
adjustment register) to trigger SOFs exactly at 125us time period.

Signed-off-by: Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/arm/dts/versal.dtsi b/arch/arm/dts/versal.dtsi
index b66906fcc5a901ff2e85c499fbdac5669620f961..9e7c9b586675139e42934e62643c1e2ffb52fa7a 100644 (file)
--- a/arch/arm/dts/versal.dtsi
+++ b/arch/arm/dts/versal.dtsi
@@ -416,6 +416,8 @@
                                /* iommus = <&smmu 0x230>; */
                                snps,dis_u2_susphy_quirk;
                                snps,dis_u3_susphy_quirk;
+                               snps,quirk-frame-length-adjustment = <0x20>;
+                               snps,refclk_fladj;
                                /* dma-coherent; */
                        };
                };