9d4b827063
The EHCI specification states the following in the SUSP bit description: In the Suspend state, the port is sensitive to resume detection. Note that the bit status does not change until the port is suspended and that there may be a delay in suspending a port if there is a transaction currently in progress on the USB. However, in NXP USBDR controller, the PORTSCx[SUSP] bit changes immediately when the application sets it and not when the port is actually suspended. So the application must wait for at least 10 milliseconds after a port indicates that it is suspended, to make sure this port has entered suspended state before initiating this port resume using the Force Port Resume bit. This bit is for NXP controller, not EHCI compatible. Signed-off-by: Changming Huang <jerry.huang@nxp.com> Signed-off-by: Ramneek Mehresh <ramneek.mehresh@nxp.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
/*
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* include/linux/fsl_devices.h
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*
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* Definitions for any platform device related flags or structures for
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* Freescale processor devices
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*
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* Maintainer: Kumar Gala <galak@kernel.crashing.org>
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*
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* Copyright 2004,2012 Freescale Semiconductor, Inc
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef _FSL_DEVICE_H_
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#define _FSL_DEVICE_H_
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#define FSL_UTMI_PHY_DLY 10 /*As per P1010RM, delay for UTMI
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PHY CLK to become stable - 10ms*/
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#define FSL_USB_PHY_CLK_TIMEOUT 10000 /* uSec */
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#include <linux/types.h>
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/*
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* Some conventions on how we handle peripherals on Freescale chips
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*
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* unique device: a platform_device entry in fsl_plat_devs[] plus
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* associated device information in its platform_data structure.
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*
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* A chip is described by a set of unique devices.
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*
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* Each sub-arch has its own master list of unique devices and
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* enumerates them by enum fsl_devices in a sub-arch specific header
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*
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* The platform data structure is broken into two parts. The
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* first is device specific information that help identify any
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* unique features of a peripheral. The second is any
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* information that may be defined by the board or how the device
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* is connected externally of the chip.
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*
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* naming conventions:
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* - platform data structures: <driver>_platform_data
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* - platform data device flags: FSL_<driver>_DEV_<FLAG>
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* - platform data board flags: FSL_<driver>_BRD_<FLAG>
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*
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*/
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enum fsl_usb2_controller_ver {
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FSL_USB_VER_NONE = -1,
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FSL_USB_VER_OLD = 0,
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FSL_USB_VER_1_6 = 1,
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FSL_USB_VER_2_2 = 2,
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FSL_USB_VER_2_4 = 3,
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FSL_USB_VER_2_5 = 4,
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};
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enum fsl_usb2_operating_modes {
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FSL_USB2_MPH_HOST,
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FSL_USB2_DR_HOST,
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FSL_USB2_DR_DEVICE,
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FSL_USB2_DR_OTG,
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};
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enum fsl_usb2_phy_modes {
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FSL_USB2_PHY_NONE,
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FSL_USB2_PHY_ULPI,
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FSL_USB2_PHY_UTMI,
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FSL_USB2_PHY_UTMI_WIDE,
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FSL_USB2_PHY_SERIAL,
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FSL_USB2_PHY_UTMI_DUAL,
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};
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struct clk;
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struct platform_device;
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struct fsl_usb2_platform_data {
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/* board specific information */
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enum fsl_usb2_controller_ver controller_ver;
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enum fsl_usb2_operating_modes operating_mode;
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enum fsl_usb2_phy_modes phy_mode;
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unsigned int port_enables;
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unsigned int workaround;
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int (*init)(struct platform_device *);
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void (*exit)(struct platform_device *);
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void __iomem *regs; /* ioremap'd register base */
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struct clk *clk;
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unsigned power_budget; /* hcd->power_budget */
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unsigned big_endian_mmio:1;
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unsigned big_endian_desc:1;
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unsigned es:1; /* need USBMODE:ES */
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unsigned le_setup_buf:1;
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unsigned have_sysif_regs:1;
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unsigned invert_drvvbus:1;
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unsigned invert_pwr_fault:1;
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unsigned suspended:1;
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unsigned already_suspended:1;
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unsigned has_fsl_erratum_a007792:1;
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unsigned has_fsl_erratum_a005275:1;
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unsigned has_fsl_erratum_a005697:1;
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unsigned check_phy_clk_valid:1;
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/* register save area for suspend/resume */
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u32 pm_command;
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u32 pm_status;
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u32 pm_intr_enable;
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u32 pm_frame_index;
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u32 pm_segment;
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u32 pm_frame_list;
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u32 pm_async_next;
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u32 pm_configured_flag;
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u32 pm_portsc;
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u32 pm_usbgenctrl;
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};
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/* Flags in fsl_usb2_mph_platform_data */
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#define FSL_USB2_PORT0_ENABLED 0x00000001
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#define FSL_USB2_PORT1_ENABLED 0x00000002
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#define FLS_USB2_WORKAROUND_ENGCM09152 (1 << 0)
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struct spi_device;
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struct fsl_spi_platform_data {
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u32 initial_spmode; /* initial SPMODE value */
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s16 bus_num;
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unsigned int flags;
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#define SPI_QE_CPU_MODE (1 << 0) /* QE CPU ("PIO") mode */
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#define SPI_CPM_MODE (1 << 1) /* CPM/QE ("DMA") mode */
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#define SPI_CPM1 (1 << 2) /* SPI unit is in CPM1 block */
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#define SPI_CPM2 (1 << 3) /* SPI unit is in CPM2 block */
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#define SPI_QE (1 << 4) /* SPI unit is in QE block */
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/* board specific information */
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u16 max_chipselect;
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void (*cs_control)(struct spi_device *spi, bool on);
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u32 sysclk;
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};
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struct mpc8xx_pcmcia_ops {
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void(*hw_ctrl)(int slot, int enable);
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int(*voltage_set)(int slot, int vcc, int vpp);
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};
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/* Returns non-zero if the current suspend operation would
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* lead to a deep sleep (i.e. power removed from the core,
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* instead of just the clock).
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*/
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#if defined(CONFIG_PPC_83xx) && defined(CONFIG_SUSPEND)
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int fsl_deep_sleep(void);
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#else
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static inline int fsl_deep_sleep(void) { return 0; }
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#endif
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#endif /* _FSL_DEVICE_H_ */
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