include/asm-arm/arch-at91/board.h

   1 /*
   2  * include/asm-arm/arch-at91/board.h
   3  *
   4  *  Copyright (C) 2005 HP Labs
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /*
  22  * These are data structures found in platform_device.dev.platform_data,
  23  * and describing board-specific data needed by drivers.  For example,
  24  * which pin is used for a given GPIO role.
  25  *
  26  * In 2.6, drivers should strongly avoid board-specific knowledge so
  27  * that supporting new boards normally won't require driver patches.
  28  * Most board-specific knowledge should be in arch/.../board-*.c files.
  29  */
  30
  31 #ifndef __ASM_ARCH_BOARD_H
  32 #define __ASM_ARCH_BOARD_H
  33
  34 #include <linux/mtd/partitions.h>
  35 #include <linux/device.h>
  36 #include <linux/spi/spi.h>
  37
  38  /* USB Device */
  39 struct at91_udc_data {
  40         u8      vbus_pin;               /* high == host powering us */
  41         u8      pullup_pin;             /* high == D+ pulled up */
  42 };
  43 extern void __init at91_add_device_udc(struct at91_udc_data *data);
  44
  45  /* Compact Flash */
  46 struct at91_cf_data {
  47         u8      irq_pin;                /* I/O IRQ */
  48         u8      det_pin;                /* Card detect */
  49         u8      vcc_pin;                /* power switching */
  50         u8      rst_pin;                /* card reset */
  51         u8      chipselect;             /* EBI Chip Select number */
  52 };
  53 extern void __init at91_add_device_cf(struct at91_cf_data *data);
  54
  55  /* MMC / SD */
  56 struct at91_mmc_data {
  57         u8              det_pin;        /* card detect IRQ */
  58         unsigned        slot_b:1;       /* uses Slot B */
  59         unsigned        wire4:1;        /* (SD) supports DAT0..DAT3 */
  60         u8              wp_pin;         /* (SD) writeprotect detect */
  61         u8              vcc_pin;        /* power switching (high == on) */
  62 };
  63 extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data);
  64
  65  /* Ethernet (EMAC & MACB) */
  66 struct at91_eth_data {
  67         u8              phy_irq_pin;    /* PHY IRQ */
  68         u8              is_rmii;        /* using RMII interface? */
  69 };
  70 extern void __init at91_add_device_eth(struct at91_eth_data *data);
  71
  72 #if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263)
  73 #define eth_platform_data       at91_eth_data
  74 #endif
  75
  76  /* USB Host */
  77 struct at91_usbh_data {
  78         u8              ports;          /* number of ports on root hub */
  79         u8              vbus_pin[];     /* port power-control pin */
  80 };
  81 extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
  82
  83  /* NAND / SmartMedia */
  84 struct at91_nand_data {
  85         u8              enable_pin;     /* chip enable */
  86         u8              det_pin;        /* card detect */
  87         u8              rdy_pin;        /* ready/busy */
  88         u8              ale;            /* address line number connected to ALE */
  89         u8              cle;            /* address line number connected to CLE */
  90         u8              bus_width_16;   /* buswidth is 16 bit */
  91         struct mtd_partition* (*partition_info)(int, int*);
  92 };
  93 extern void __init at91_add_device_nand(struct at91_nand_data *data);
  94
  95  /* I2C*/
  96 extern void __init at91_add_device_i2c(void);
  97
  98  /* SPI */
  99 extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices);
 100
 101  /* Serial */
 102 struct at91_uart_config {
 103         unsigned short  console_tty;    /* tty number of serial console */
 104         unsigned short  nr_tty;         /* number of serial tty's */
 105         short           tty_map[];      /* map UART to tty number */
 106 };
 107 extern struct platform_device *atmel_default_console_device;
 108 extern void __init at91_init_serial(struct at91_uart_config *config);
 109
 110 struct atmel_uart_data {
 111         short           use_dma_tx;     /* use transmit DMA? */
 112         short           use_dma_rx;     /* use receive DMA? */
 113         void __iomem    *regs;          /* virtual base address, if any */
 114 };
 115 extern void __init at91_add_device_serial(void);
 116
 117  /* LCD Controller */
 118 struct atmel_lcdfb_info;
 119 extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data);
 120
 121  /* AC97 */
 122 struct atmel_ac97_data {
 123         u8              reset_pin;      /* reset */
 124 };
 125 extern void __init at91_add_device_ac97(struct atmel_ac97_data *data);
 126
 127  /* LEDs */
 128 extern u8 at91_leds_cpu;
 129 extern u8 at91_leds_timer;
 130 extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
 131
 132 #endif