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

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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>
This commit is contained in:
Sean Anderson 2022-01-27 15:06:36 -05:00 committed by Greg Kroah-Hartman
parent d8b1c3d0d7
commit 5726079cd4
1 changed files with 2 additions and 1 deletions
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3
arch/arm64/boot/dts/qcom/ipq6018.dtsi
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@ -743,12 +743,13 @@ dwc_0: usb@8A00000 {
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";
};
};