mirror of https://gitee.com/openkylin/linux.git
61 lines
2.8 KiB
Plaintext
61 lines
2.8 KiB
Plaintext
synopsys DWC3 CORE
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DWC3- USB3 CONTROLLER. Complies to the generic USB binding properties
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as described in 'usb/generic.txt'
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Required properties:
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- compatible: must be "snps,dwc3"
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- reg : Address and length of the register set for the device
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- interrupts: Interrupts used by the dwc3 controller.
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Optional properties:
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- usb-phy : array of phandle for the PHY device. The first element
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in the array is expected to be a handle to the USB2/HS PHY and
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the second element is expected to be a handle to the USB3/SS PHY
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- phys: from the *Generic PHY* bindings
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- phy-names: from the *Generic PHY* bindings
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- snps,usb3_lpm_capable: determines if platform is USB3 LPM capable
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- snps,disable_scramble_quirk: true when SW should disable data scrambling.
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Only really useful for FPGA builds.
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- snps,has-lpm-erratum: true when DWC3 was configured with LPM Erratum enabled
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- snps,lpm-nyet-threshold: LPM NYET threshold
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- snps,u2exit_lfps_quirk: set if we want to enable u2exit lfps quirk
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- snps,u2ss_inp3_quirk: set if we enable P3 OK for U2/SS Inactive quirk
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- snps,req_p1p2p3_quirk: when set, the core will always request for
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P1/P2/P3 transition sequence.
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- snps,del_p1p2p3_quirk: when set core will delay P1/P2/P3 until a certain
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amount of 8B10B errors occur.
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- snps,del_phy_power_chg_quirk: when set core will delay PHY power change
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from P0 to P1/P2/P3.
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- snps,lfps_filter_quirk: when set core will filter LFPS reception.
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- snps,rx_detect_poll_quirk: when set core will disable a 400us delay to start
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Polling LFPS after RX.Detect.
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- snps,tx_de_emphasis_quirk: when set core will set Tx de-emphasis value.
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- snps,tx_de_emphasis: the value driven to the PHY is controlled by the
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LTSSM during USB3 Compliance mode.
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- snps,dis_u3_susphy_quirk: when set core will disable USB3 suspend phy.
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- snps,dis_u2_susphy_quirk: when set core will disable USB2 suspend phy.
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- snps,dis_enblslpm_quirk: when set clears the enblslpm in GUSB2PHYCFG,
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disabling the suspend signal to the PHY.
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- snps,dis_rxdet_inp3_quirk: when set core will disable receiver detection
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in PHY P3 power state.
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- snps,is-utmi-l1-suspend: true when DWC3 asserts output signal
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utmi_l1_suspend_n, false when asserts utmi_sleep_n
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- snps,hird-threshold: HIRD threshold
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- snps,hsphy_interface: High-Speed PHY interface selection between "utmi" for
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UTMI+ and "ulpi" for ULPI when the DWC_USB3_HSPHY_INTERFACE has value 3.
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- snps,quirk-frame-length-adjustment: Value for GFLADJ_30MHZ field of GFLADJ
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register for post-silicon frame length adjustment when the
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fladj_30mhz_sdbnd signal is invalid or incorrect.
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- <DEPRECATED> tx-fifo-resize: determines if the FIFO *has* to be reallocated.
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This is usually a subnode to DWC3 glue to which it is connected.
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dwc3@4a030000 {
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compatible = "snps,dwc3";
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reg = <0x4a030000 0xcfff>;
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interrupts = <0 92 4>
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usb-phy = <&usb2_phy>, <&usb3,phy>;
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};
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