arm64: dts: ipq6018: Use reference clock to set dwc3 period

Instead of manually setting snps,ref-clock-period-ns, we can let the
driver calculate it automatically from the "ref" clock. I haven't
reviewed this board's schematics, so please let me know if this is the
wrong 24MHz clock to use.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20220127200636.1456175-8-sean.anderson@seco.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index 66ec561..a614b9f 100644 (file)
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -743,12 +743,13 @@
                                interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
                                phys = <&qusb_phy_0>, <&usb0_ssphy>;
                                phy-names = "usb2-phy", "usb3-phy";
+                               clocks = <&xo>;
+                               clock-names = "ref";
                                tx-fifo-resize;
                                snps,is-utmi-l1-suspend;
                                snps,hird-threshold = /bits/ 8 <0x0>;
                                snps,dis_u2_susphy_quirk;
                                snps,dis_u3_susphy_quirk;
-                               snps,ref-clock-period-ns = <0x32>;
                                dr_mode = "host";
                        };
                };