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Diffstat (limited to 'kernel/include/linux/fsl_devices.h')
| -rw-r--r-- | kernel/include/linux/fsl_devices.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/kernel/include/linux/fsl_devices.h b/kernel/include/linux/fsl_devices.h new file mode 100644 index 000000000..a82296af4 --- /dev/null +++ b/kernel/include/linux/fsl_devices.h @@ -0,0 +1,147 @@ +/* + * 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 + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#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 */ +#define FSL_USB_VER_OLD 0 +#define FSL_USB_VER_1_6 1 +#define FSL_USB_VER_2_2 2 +#define FSL_USB_VER_2_4 3 + +#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_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, +}; + +struct clk; +struct platform_device; + +struct fsl_usb2_platform_data { + /* board specific information */ + int 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; + + /* 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_ */ |