LXR linux/include/linux/fsl

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * include/linux/fsl_devices.h
   4 *
   5 * Definitions for any platform device related flags or structures for
   6 * Freescale processor devices
   7 *
   8 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
   9 *
  10 * Copyright 2004,2012 Freescale Semiconductor, Inc
  11 */
  12
  13#ifndef _FSL_DEVICE_H_
  14#define _FSL_DEVICE_H_
  15
  16#define FSL_UTMI_PHY_DLY        10      /*As per P1010RM, delay for UTMI
  17                                PHY CLK to become stable - 10ms*/
  18#define FSL_USB_PHY_CLK_TIMEOUT 10000   /* uSec */
  19
  20#include <linux/types.h>
  21
  22/*
  23 * Some conventions on how we handle peripherals on Freescale chips
  24 *
  25 * unique device: a platform_device entry in fsl_plat_devs[] plus
  26 * associated device information in its platform_data structure.
  27 *
  28 * A chip is described by a set of unique devices.
  29 *
  30 * Each sub-arch has its own master list of unique devices and
  31 * enumerates them by enum fsl_devices in a sub-arch specific header
  32 *
  33 * The platform data structure is broken into two parts.  The
  34 * first is device specific information that help identify any
  35 * unique features of a peripheral.  The second is any
  36 * information that may be defined by the board or how the device
  37 * is connected externally of the chip.
  38 *
  39 * naming conventions:
  40 * - platform data structures: <driver>_platform_data
  41 * - platform data device flags: FSL_<driver>_DEV_<FLAG>
  42 * - platform data board flags: FSL_<driver>_BRD_<FLAG>
  43 *
  44 */
  45
  46enum fsl_usb2_controller_ver {
  47        FSL_USB_VER_NONE = -1,
  48        FSL_USB_VER_OLD = 0,
  49        FSL_USB_VER_1_6 = 1,
  50        FSL_USB_VER_2_2 = 2,
  51        FSL_USB_VER_2_4 = 3,
  52        FSL_USB_VER_2_5 = 4,
  53};
  54
  55enum fsl_usb2_operating_modes {
  56        FSL_USB2_MPH_HOST,
  57        FSL_USB2_DR_HOST,
  58        FSL_USB2_DR_DEVICE,
  59        FSL_USB2_DR_OTG,
  60};
  61
  62enum fsl_usb2_phy_modes {
  63        FSL_USB2_PHY_NONE,
  64        FSL_USB2_PHY_ULPI,
  65        FSL_USB2_PHY_UTMI,
  66        FSL_USB2_PHY_UTMI_WIDE,
  67        FSL_USB2_PHY_SERIAL,
  68        FSL_USB2_PHY_UTMI_DUAL,
  69};
  70
  71struct clk;
  72struct platform_device;
  73
  74struct fsl_usb2_platform_data {
  75        /* board specific information */
  76        enum fsl_usb2_controller_ver    controller_ver;
  77        enum fsl_usb2_operating_modes   operating_mode;
  78        enum fsl_usb2_phy_modes         phy_mode;
  79        unsigned int                    port_enables;
  80        unsigned int                    workaround;
  81
  82        int             (*init)(struct platform_device *);
  83        void            (*exit)(struct platform_device *);
  84        void __iomem    *regs;          /* ioremap'd register base */
  85        struct clk      *clk;
  86        unsigned        power_budget;   /* hcd->power_budget */
  87        unsigned        big_endian_mmio:1;
  88        unsigned        big_endian_desc:1;
  89        unsigned        es:1;           /* need USBMODE:ES */
  90        unsigned        le_setup_buf:1;
  91        unsigned        have_sysif_regs:1;
  92        unsigned        invert_drvvbus:1;
  93        unsigned        invert_pwr_fault:1;
  94
  95        unsigned        suspended:1;
  96        unsigned        already_suspended:1;
  97        unsigned        has_fsl_erratum_a007792:1;
  98        unsigned        has_fsl_erratum_14:1;
  99        unsigned        has_fsl_erratum_a005275:1;
 100        unsigned        has_fsl_erratum_a005697:1;
 101        unsigned        check_phy_clk_valid:1;
 102
 103        /* register save area for suspend/resume */
 104        u32             pm_command;
 105        u32             pm_status;
 106        u32             pm_intr_enable;
 107        u32             pm_frame_index;
 108        u32             pm_segment;
 109        u32             pm_frame_list;
 110        u32             pm_async_next;
 111        u32             pm_configured_flag;
 112        u32             pm_portsc;
 113        u32             pm_usbgenctrl;
 114};
 115
 116/* Flags in fsl_usb2_mph_platform_data */
 117#define FSL_USB2_PORT0_ENABLED  0x00000001
 118#define FSL_USB2_PORT1_ENABLED  0x00000002
 119
 120#define FLS_USB2_WORKAROUND_ENGCM09152  (1 << 0)
 121
 122struct spi_device;
 123
 124struct fsl_spi_platform_data {
 125        u32     initial_spmode; /* initial SPMODE value */
 126        s16     bus_num;
 127        unsigned int flags;
 128#define SPI_QE_CPU_MODE         (1 << 0) /* QE CPU ("PIO") mode */
 129#define SPI_CPM_MODE            (1 << 1) /* CPM/QE ("DMA") mode */
 130#define SPI_CPM1                (1 << 2) /* SPI unit is in CPM1 block */
 131#define SPI_CPM2                (1 << 3) /* SPI unit is in CPM2 block */
 132#define SPI_QE                  (1 << 4) /* SPI unit is in QE block */
 133        /* board specific information */
 134        u16     max_chipselect;
 135        void    (*cs_control)(struct spi_device *spi, bool on);
 136        u32     sysclk;
 137};
 138
 139struct mpc8xx_pcmcia_ops {
 140        void(*hw_ctrl)(int slot, int enable);
 141        int(*voltage_set)(int slot, int vcc, int vpp);
 142};
 143
 144/* Returns non-zero if the current suspend operation would
 145 * lead to a deep sleep (i.e. power removed from the core,
 146 * instead of just the clock).
 147 */
 148#if defined(CONFIG_PPC_83xx) && defined(CONFIG_SUSPEND)
 149int fsl_deep_sleep(void);
 150#else
 151static inline int fsl_deep_sleep(void) { return 0; }
 152#endif
 153
 154#endif /* _FSL_DEVICE_H_ */
 155