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/linux/Documentation/devicetree/bindings/phy/
H A Drealtek,usb2phy.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Stanley Chang <stanley_chang@realtek.com>
23 XHCI controller#0 -- usb2phy -- phy#0
24 |- usb3phy -- phy#0
25 XHCI controller#1 -- usb2phy -- phy#0
26 XHCI controller#2 -- usb2phy -- phy#0
27 |- usb3phy -- phy#0
33 XHCI controller#0 -- usb2phy -- phy#0
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/linux/drivers/usb/gadget/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
7 # NOTE: Gadget support ** DOES NOT ** depend on host-side CONFIG_USB !!
9 # - Host systems (like PCs) need CONFIG_USB (with "A" jacks).
10 # - Peripherals (like PDAs) need CONFIG_USB_GADGET (with "B" jacks).
11 # - Some systems have both kinds of controllers.
13 # With help from a special transceiver and a "Mini-AB" jack, systems with
14 # both kinds of controller can also support "USB On-the-Go" (CONFIG_USB_OTG).
25 you can't connect a "to-the-host" connector to a peripheral.
28 you need a low level bus controller driver, and some software
44 For more information, see <http://www.linux-usb.org/gadget> and
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/linux/drivers/net/ethernet/intel/ixgbe/
H A Dixgbe_ptp.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
12 * value at every level change of the oscillator driving the SYSTIME
30 * Period * [ 2 ^ ( MaxWidth - PeriodWidth ) ]
47 * +--------------+ +--------------+
49 * *--------------+ +--------------+
52 * +--------------+ +--------------+
54 * *--------------+ +--------------+
58 * 2^36 * 10^-9 / 60 = 1.14 minutes or 69 seconds
61 * 2^43 * 10^-9 / 3600 = 2.4 hours
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