Driver for Broadcom Northstar USB 2.0 PHY
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Required properties:
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- compatible: brcm,ns-usb2-phy
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- reg: iomem address range of DMU (Device Management Unit)
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- reg-names: "dmu", the only needed & supported reg right now
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- clocks: USB PHY reference clock
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- clock-names: "phy-ref-clk", the only needed & supported clock right now
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To initialize USB 2.0 PHY driver needs to setup PLL correctly. To do this it
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requires passing phandle to the USB PHY reference clock.
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Example:
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usb2-phy {
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compatible = "brcm,ns-usb2-phy";
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reg = <0x1800c000 0x1000>;
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reg-names = "dmu";
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#phy-cells = <0>;
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clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
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clock-names = "phy-ref-clk";
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};
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