linux/include/linux/usb/isp1362.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * board initialization code should put one of these into dev->platform_data
   4 * and place the isp1362 onto platform_bus.
   5 */
   6
   7#ifndef __LINUX_USB_ISP1362_H__
   8#define __LINUX_USB_ISP1362_H__
   9
  10struct isp1362_platform_data {
  11        /* Enable internal pulldown resistors on downstream ports */
  12        unsigned sel15Kres:1;
  13        /* Clock cannot be stopped */
  14        unsigned clknotstop:1;
  15        /* On-chip overcurrent protection */
  16        unsigned oc_enable:1;
  17        /* INT output polarity */
  18        unsigned int_act_high:1;
  19        /* INT edge or level triggered */
  20        unsigned int_edge_triggered:1;
  21        /* DREQ output polarity */
  22        unsigned dreq_act_high:1;
  23        /* DACK input polarity */
  24        unsigned dack_act_high:1;
  25        /* chip can be resumed via H_WAKEUP pin */
  26        unsigned remote_wakeup_connected:1;
  27        /* Switch or not to switch (keep always powered) */
  28        unsigned no_power_switching:1;
  29        /* Ganged port power switching (0) or individual port power switching (1) */
  30        unsigned power_switching_mode:1;
  31        /* Given port_power, msec/2 after power on till power good */
  32        u8 potpg;
  33        /* Hardware reset set/clear */
  34        void (*reset) (struct device *dev, int set);
  35        /* Clock start/stop */
  36        void (*clock) (struct device *dev, int start);
  37        /* Inter-io delay (ns). The chip is picky about access timings; it
  38         * expects at least:
  39         * 110ns delay between consecutive accesses to DATA_REG,
  40         * 300ns delay between access to ADDR_REG and DATA_REG (registers)
  41         * 462ns delay between access to ADDR_REG and DATA_REG (buffer memory)
  42         * WE MUST NOT be activated during these intervals (even without CS!)
  43         */
  44        void (*delay) (struct device *dev, unsigned int delay);
  45};
  46
  47#endif
  48