arch/arm/mach-at91/board.h

   1 /*
   2  * arch/arm/mach-at91/include/mach/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/platform_data/atmel.h>
  35
  36  /* USB Device */
  37 extern void __init at91_add_device_udc(struct at91_udc_data *data);
  38
  39  /* USB High Speed Device */
  40 extern void __init at91_add_device_usba(struct usba_platform_data *data);
  41
  42  /* Compact Flash */
  43 extern void __init at91_add_device_cf(struct at91_cf_data *data);
  44
  45  /* MMC / SD */
  46   /* at91_mci platform config */
  47 struct at91_mmc_data {
  48         int             det_pin;        /* card detect IRQ */
  49         unsigned        slot_b:1;       /* uses Slot B */
  50         unsigned        wire4:1;        /* (SD) supports DAT0..DAT3 */
  51         int             wp_pin;         /* (SD) writeprotect detect */
  52         int             vcc_pin;        /* power switching (high == on) */
  53 };
  54 extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data);
  55
  56   /* atmel-mci platform config */
  57 extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data);
  58
  59 extern void __init at91_add_device_eth(struct macb_platform_data *data);
  60
  61  /* USB Host */
  62 extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
  63 extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);
  64 extern void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data);
  65
  66 extern void __init at91_add_device_nand(struct atmel_nand_data *data);
  67
  68  /* I2C*/
  69 #if defined(CONFIG_ARCH_AT91SAM9G45)
  70 extern void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices);
  71 #else
  72 extern void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices);
  73 #endif
  74
  75  /* SPI */
  76 extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices);
  77
  78  /* Serial */
  79 #define ATMEL_UART_CTS  0x01
  80 #define ATMEL_UART_RTS  0x02
  81 #define ATMEL_UART_DSR  0x04
  82 #define ATMEL_UART_DTR  0x08
  83 #define ATMEL_UART_DCD  0x10
  84 #define ATMEL_UART_RI   0x20
  85
  86 extern void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins);
  87
  88 extern struct platform_device *atmel_default_console_device;
  89
  90 extern void __init at91_add_device_serial(void);
  91
  92 /*
  93  * PWM
  94  */
  95 #define AT91_PWM0       0
  96 #define AT91_PWM1       1
  97 #define AT91_PWM2       2
  98 #define AT91_PWM3       3
  99
 100 extern void __init at91_add_device_pwm(u32 mask);
 101
 102 /*
 103  * SSC -- accessed through ssc_request(id).  Drivers don't bind to SSC
 104  * platform devices.  Their SSC ID is part of their configuration data,
 105  * along with information about which SSC signals they should use.
 106  */
 107 #define ATMEL_SSC_TK    0x01
 108 #define ATMEL_SSC_TF    0x02
 109 #define ATMEL_SSC_TD    0x04
 110 #define ATMEL_SSC_TX    (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
 111
 112 #define ATMEL_SSC_RK    0x10
 113 #define ATMEL_SSC_RF    0x20
 114 #define ATMEL_SSC_RD    0x40
 115 #define ATMEL_SSC_RX    (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
 116
 117 extern void __init at91_add_device_ssc(unsigned id, unsigned pins);
 118
 119  /* LCD Controller */
 120 struct atmel_lcdfb_info;
 121 extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data);
 122
 123  /* AC97 */
 124 extern void __init at91_add_device_ac97(struct ac97c_platform_data *data);
 125
 126  /* ISI */
 127 struct isi_platform_data;
 128 extern void __init at91_add_device_isi(struct isi_platform_data *data,
 129                 bool use_pck_as_mck);
 130
 131  /* Touchscreen Controller */
 132 extern void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data);
 133
 134 /* CAN */
 135 extern void __init at91_add_device_can(struct at91_can_data *data);
 136
 137  /* LEDs */
 138 extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
 139 extern void __init at91_pwm_leds(struct gpio_led *leds, int nr);
 140
 141 #endif