linux/drivers/usb/dwc3/platform_data.h
Nikhil Badola db2be4e9e3 usb: dwc3: Add frame length adjustment quirk
Add adjust_frame_length_quirk for writing to fladj register
which adjusts (micro)frame length to value provided by
"snps,quirk-frame-length-adjustment" property thus avoiding
USB 2.0 devices to time-out over a longer run

Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-09-27 10:54:31 -05:00

53 lines
1.5 KiB
C

/**
* platform_data.h - USB DWC3 Platform Data Support
*
* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
* Author: Felipe Balbi <balbi@ti.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 of
* the License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/usb/ch9.h>
#include <linux/usb/otg.h>
struct dwc3_platform_data {
enum usb_device_speed maximum_speed;
enum usb_dr_mode dr_mode;
bool tx_fifo_resize;
bool usb3_lpm_capable;
unsigned is_utmi_l1_suspend:1;
u8 hird_threshold;
u8 lpm_nyet_threshold;
unsigned disable_scramble_quirk:1;
unsigned has_lpm_erratum:1;
unsigned u2exit_lfps_quirk:1;
unsigned u2ss_inp3_quirk:1;
unsigned req_p1p2p3_quirk:1;
unsigned del_p1p2p3_quirk:1;
unsigned del_phy_power_chg_quirk:1;
unsigned lfps_filter_quirk:1;
unsigned rx_detect_poll_quirk:1;
unsigned dis_u3_susphy_quirk:1;
unsigned dis_u2_susphy_quirk:1;
unsigned tx_de_emphasis_quirk:1;
unsigned tx_de_emphasis:2;
u32 fladj_value;
const char *hsphy_interface;
};