include/linux/platform_data/atmel.h

   1 /*
   2  * atmel platform data
   3  *
   4  * GPL v2 Only
   5  */
   6
   7 #ifndef __ATMEL_H__
   8 #define __ATMEL_H__
   9
  10 #include <linux/mtd/nand.h>
  11 #include <linux/mtd/partitions.h>
  12 #include <linux/device.h>
  13 #include <linux/i2c.h>
  14 #include <linux/leds.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/usb/atmel_usba_udc.h>
  17 #include <linux/atmel-mci.h>
  18 #include <sound/atmel-ac97c.h>
  19 #include <linux/serial.h>
  20 #include <linux/platform_data/macb.h>
  21
  22 /*
  23  * at91: 6 USARTs and one DBGU port (SAM9260)
  24  * avr32: 4
  25  */
  26 #define ATMEL_MAX_UART  7
  27
  28  /* USB Device */
  29 struct at91_udc_data {
  30         int     vbus_pin;               /* high == host powering us */
  31         u8      vbus_active_low;        /* vbus polarity */
  32         u8      vbus_polled;            /* Use polling, not interrupt */
  33         int     pullup_pin;             /* active == D+ pulled up */
  34         u8      pullup_active_low;      /* true == pullup_pin is active low */
  35 };
  36
  37  /* Compact Flash */
  38 struct at91_cf_data {
  39         int     irq_pin;                /* I/O IRQ */
  40         int     det_pin;                /* Card detect */
  41         int     vcc_pin;                /* power switching */
  42         int     rst_pin;                /* card reset */
  43         u8      chipselect;             /* EBI Chip Select number */
  44         u8      flags;
  45 #define AT91_CF_TRUE_IDE        0x01
  46 #define AT91_IDE_SWAP_A0_A2     0x02
  47 };
  48
  49  /* USB Host */
  50 #define AT91_MAX_USBH_PORTS     3
  51 struct at91_usbh_data {
  52         int             vbus_pin[AT91_MAX_USBH_PORTS];  /* port power-control pin */
  53         int             overcurrent_pin[AT91_MAX_USBH_PORTS];
  54         u8              ports;                          /* number of ports on root hub */
  55         u8              overcurrent_supported;
  56         u8              vbus_pin_active_low[AT91_MAX_USBH_PORTS];
  57         u8              overcurrent_status[AT91_MAX_USBH_PORTS];
  58         u8              overcurrent_changed[AT91_MAX_USBH_PORTS];
  59 };
  60
  61  /* NAND / SmartMedia */
  62 struct atmel_nand_data {
  63         int             enable_pin;             /* chip enable */
  64         int             det_pin;                /* card detect */
  65         int             rdy_pin;                /* ready/busy */
  66         u8              rdy_pin_active_low;     /* rdy_pin value is inverted */
  67         u8              ale;                    /* address line number connected to ALE */
  68         u8              cle;                    /* address line number connected to CLE */
  69         u8              bus_width_16;           /* buswidth is 16 bit */
  70         u8              ecc_mode;               /* ecc mode */
  71         u8              on_flash_bbt;           /* bbt on flash */
  72         struct mtd_partition *parts;
  73         unsigned int    num_parts;
  74         bool            has_dma;                /* support dma transfer */
  75
  76         /* default is false, only for at32ap7000 chip is true */
  77         bool            need_reset_workaround;
  78 };
  79
  80  /* Serial */
  81 struct atmel_uart_data {
  82         int                     num;            /* port num */
  83         short                   use_dma_tx;     /* use transmit DMA? */
  84         short                   use_dma_rx;     /* use receive DMA? */
  85         void __iomem            *regs;          /* virt. base address, if any */
  86         struct serial_rs485     rs485;          /* rs485 settings */
  87 };
  88
  89 /* CAN */
  90 struct at91_can_data {
  91         void (*transceiver_switch)(int on);
  92 };
  93
  94 /* FIXME: this needs a better location, but gets stuff building again */
  95 extern int at91_suspend_entering_slow_clock(void);
  96
  97 #endif /* __ATMEL_H__ */