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In some cases, the user may need to tune the rise/fall time of the high-speed transmitter waveform for USB Certification. This will add a parameter for this purpose. The value will be fetched from dtb and finally written to the register. Signed-off-by: Xu Yang <xu.yang_2@nxp.com> Acked-by: Peter Chen <peter.chen@kernel.org> Link: https://lore.kernel.org/r/20230627112126.1882666-3-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2012 Freescale Semiconductor, Inc.
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*/
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#ifndef __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H
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#define __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H
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struct imx_usbmisc_data {
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struct device *dev;
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int index;
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unsigned int disable_oc:1; /* over current detect disabled */
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/* true if over-current polarity is active low */
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unsigned int oc_pol_active_low:1;
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/* true if dt specifies polarity */
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unsigned int oc_pol_configured:1;
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unsigned int pwr_pol:1; /* power polarity */
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unsigned int evdo:1; /* set external vbus divider option */
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unsigned int ulpi:1; /* connected to an ULPI phy */
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unsigned int hsic:1; /* HSIC controller */
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unsigned int ext_id:1; /* ID from exteranl event */
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unsigned int ext_vbus:1; /* Vbus from exteranl event */
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struct usb_phy *usb_phy;
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enum usb_dr_mode available_role; /* runtime usb dr mode */
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int emp_curr_control;
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int dc_vol_level_adjust;
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int rise_fall_time_adjust;
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};
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int imx_usbmisc_init(struct imx_usbmisc_data *data);
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int imx_usbmisc_init_post(struct imx_usbmisc_data *data);
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int imx_usbmisc_hsic_set_connect(struct imx_usbmisc_data *data);
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int imx_usbmisc_charger_detection(struct imx_usbmisc_data *data, bool connect);
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int imx_usbmisc_suspend(struct imx_usbmisc_data *data, bool wakeup);
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int imx_usbmisc_resume(struct imx_usbmisc_data *data, bool wakeup);
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#endif /* __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H */
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