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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * include/linux/fsl_devices.h
 *
 * Definitions for any platform device related flags or structures for
 * Freescale processor devices
 *
 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
 *
 * Copyright 2004,2012 Freescale Semiconductor, Inc
 */

#ifndef _FSL_DEVICE_H_
#define _FSL_DEVICE_H_

#define FSL_UTMI_PHY_DLY	10	/*As per P1010RM, delay for UTMI
				PHY CLK to become stable - 10ms*/
#define FSL_USB_PHY_CLK_TIMEOUT	10000	/* uSec */

#include <linux/types.h>

/*
 * Some conventions on how we handle peripherals on Freescale chips
 *
 * unique device: a platform_device entry in fsl_plat_devs[] plus
 * associated device information in its platform_data structure.
 *
 * A chip is described by a set of unique devices.
 *
 * Each sub-arch has its own master list of unique devices and
 * enumerates them by enum fsl_devices in a sub-arch specific header
 *
 * The platform data structure is broken into two parts.  The
 * first is device specific information that help identify any
 * unique features of a peripheral.  The second is any
 * information that may be defined by the board or how the device
 * is connected externally of the chip.
 *
 * naming conventions:
 * - platform data structures: <driver>_platform_data
 * - platform data device flags: FSL_<driver>_DEV_<FLAG>
 * - platform data board flags: FSL_<driver>_BRD_<FLAG>
 *
 */

enum fsl_usb2_controller_ver {
	FSL_USB_VER_NONE = -1,
	FSL_USB_VER_OLD = 0,
	FSL_USB_VER_1_6 = 1,
	FSL_USB_VER_2_2 = 2,
	FSL_USB_VER_2_4 = 3,
	FSL_USB_VER_2_5 = 4,
};

enum fsl_usb2_operating_modes {
	FSL_USB2_MPH_HOST,
	FSL_USB2_DR_HOST,
	FSL_USB2_DR_DEVICE,
	FSL_USB2_DR_OTG,
};

enum fsl_usb2_phy_modes {
	FSL_USB2_PHY_NONE,
	FSL_USB2_PHY_ULPI,
	FSL_USB2_PHY_UTMI,
	FSL_USB2_PHY_UTMI_WIDE,
	FSL_USB2_PHY_SERIAL,
	FSL_USB2_PHY_UTMI_DUAL,
};

struct clk;
struct platform_device;

struct fsl_usb2_platform_data {
	/* board specific information */
	enum fsl_usb2_controller_ver	controller_ver;
	enum fsl_usb2_operating_modes	operating_mode;
	enum fsl_usb2_phy_modes		phy_mode;
	unsigned int			port_enables;
	unsigned int			workaround;

	int		(*init)(struct platform_device *);
	void		(*exit)(struct platform_device *);
	void __iomem	*regs;		/* ioremap'd register base */
	struct clk	*clk;
	unsigned	power_budget;	/* hcd->power_budget */
	unsigned	big_endian_mmio:1;
	unsigned	big_endian_desc:1;
	unsigned	es:1;		/* need USBMODE:ES */
	unsigned	le_setup_buf:1;
	unsigned	have_sysif_regs:1;
	unsigned	invert_drvvbus:1;
	unsigned	invert_pwr_fault:1;

	unsigned	suspended:1;
	unsigned	already_suspended:1;
	unsigned	has_fsl_erratum_a007792:1;
	unsigned	has_fsl_erratum_14:1;
	unsigned	has_fsl_erratum_a005275:1;
	unsigned	has_fsl_erratum_a005697:1;
	unsigned        has_fsl_erratum_a006918:1;
	unsigned	check_phy_clk_valid:1;

	/* register save area for suspend/resume */
	u32		pm_command;
	u32		pm_status;
	u32		pm_intr_enable;
	u32		pm_frame_index;
	u32		pm_segment;
	u32		pm_frame_list;
	u32		pm_async_next;
	u32		pm_configured_flag;
	u32		pm_portsc;
	u32		pm_usbgenctrl;
};

/* Flags in fsl_usb2_mph_platform_data */
#define FSL_USB2_PORT0_ENABLED	0x00000001
#define FSL_USB2_PORT1_ENABLED	0x00000002

#define FLS_USB2_WORKAROUND_ENGCM09152	(1 << 0)

struct spi_device;

struct fsl_spi_platform_data {
	u32 	initial_spmode;	/* initial SPMODE value */
	s16	bus_num;
	unsigned int flags;
#define SPI_QE_CPU_MODE		(1 << 0) /* QE CPU ("PIO") mode */
#define SPI_CPM_MODE		(1 << 1) /* CPM/QE ("DMA") mode */
#define SPI_CPM1		(1 << 2) /* SPI unit is in CPM1 block */
#define SPI_CPM2		(1 << 3) /* SPI unit is in CPM2 block */
#define SPI_QE			(1 << 4) /* SPI unit is in QE block */
	/* board specific information */
	u16	max_chipselect;
	void	(*cs_control)(struct spi_device *spi, bool on);
	u32	sysclk;
};

struct mpc8xx_pcmcia_ops {
	void(*hw_ctrl)(int slot, int enable);
	int(*voltage_set)(int slot, int vcc, int vpp);
};

/* Returns non-zero if the current suspend operation would
 * lead to a deep sleep (i.e. power removed from the core,
 * instead of just the clock).
 */
#if defined(CONFIG_PPC_83xx) && defined(CONFIG_SUSPEND)
int fsl_deep_sleep(void);
#else
static inline int fsl_deep_sleep(void) { return 0; }
#endif

#endif /* _FSL_DEVICE_H_ */