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/mtd/partitions.h> 35 #include <linux/device.h> 36 #include <linux/i2c.h> 37 #include <linux/leds.h> 38 #include <linux/spi/spi.h> 39 #include <linux/usb/atmel_usba_udc.h> 40 #include <linux/atmel-mci.h> 41 #include <sound/atmel-ac97c.h> 42 #include <linux/serial.h> 43 44 /* USB Device */ 45 struct at91_udc_data { 46 u8 vbus_pin; /* high == host powering us */ 47 u8 vbus_active_low; /* vbus polarity */ 48 u8 vbus_polled; /* Use polling, not interrupt */ 49 u8 pullup_pin; /* active == D+ pulled up */ 50 u8 pullup_active_low; /* true == pullup_pin is active low */ 51 }; 52 extern void __init at91_add_device_udc(struct at91_udc_data *data); 53 54 /* USB High Speed Device */ 55 extern void __init at91_add_device_usba(struct usba_platform_data *data); 56 57 /* Compact Flash */ 58 struct at91_cf_data { 59 u8 irq_pin; /* I/O IRQ */ 60 u8 det_pin; /* Card detect */ 61 u8 vcc_pin; /* power switching */ 62 u8 rst_pin; /* card reset */ 63 u8 chipselect; /* EBI Chip Select number */ 64 u8 flags; 65 #define AT91_CF_TRUE_IDE 0x01 66 #define AT91_IDE_SWAP_A0_A2 0x02 67 }; 68 extern void __init at91_add_device_cf(struct at91_cf_data *data); 69 70 /* MMC / SD */ 71 /* at91_mci platform config */ 72 struct at91_mmc_data { 73 u8 det_pin; /* card detect IRQ */ 74 unsigned slot_b:1; /* uses Slot B */ 75 unsigned wire4:1; /* (SD) supports DAT0..DAT3 */ 76 u8 wp_pin; /* (SD) writeprotect detect */ 77 u8 vcc_pin; /* power switching (high == on) */ 78 }; 79 extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data); 80 81 /* atmel-mci platform config */ 82 extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data); 83 84 /* Ethernet (EMAC & MACB) */ 85 struct at91_eth_data { 86 u32 phy_mask; 87 u8 phy_irq_pin; /* PHY IRQ */ 88 u8 is_rmii; /* using RMII interface? */ 89 }; 90 extern void __init at91_add_device_eth(struct at91_eth_data *data); 91 92 #if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91CAP9) \ 93 || defined(CONFIG_ARCH_AT91SAM9G45) || defined(CONFIG_ARCH_AT572D940HF) 94 #define eth_platform_data at91_eth_data 95 #endif 96 97 /* USB Host */ 98 struct at91_usbh_data { 99 u8 ports; /* number of ports on root hub */ 100 u8 vbus_pin[2]; /* port power-control pin */ 101 }; 102 extern void __init at91_add_device_usbh(struct at91_usbh_data *data); 103 extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data); 104 extern void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data); 105 106 /* NAND / SmartMedia */ 107 struct atmel_nand_data { 108 u8 enable_pin; /* chip enable */ 109 u8 det_pin; /* card detect */ 110 u8 rdy_pin; /* ready/busy */ 111 u8 rdy_pin_active_low; /* rdy_pin value is inverted */ 112 u8 ale; /* address line number connected to ALE */ 113 u8 cle; /* address line number connected to CLE */ 114 u8 bus_width_16; /* buswidth is 16 bit */ 115 struct mtd_partition* (*partition_info)(int, int*); 116 }; 117 extern void __init at91_add_device_nand(struct atmel_nand_data *data); 118 119 /* I2C*/ 120 #if defined(CONFIG_ARCH_AT91SAM9G45) 121 extern void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices); 122 #else 123 extern void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices); 124 #endif 125 126 /* SPI */ 127 extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices); 128 129 /* Serial */ 130 #define ATMEL_UART_CTS 0x01 131 #define ATMEL_UART_RTS 0x02 132 #define ATMEL_UART_DSR 0x04 133 #define ATMEL_UART_DTR 0x08 134 #define ATMEL_UART_DCD 0x10 135 #define ATMEL_UART_RI 0x20 136 137 extern void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins); 138 extern void __init at91_set_serial_console(unsigned portnr); 139 140 extern struct platform_device *atmel_default_console_device; 141 142 struct atmel_uart_data { 143 short use_dma_tx; /* use transmit DMA? */ 144 short use_dma_rx; /* use receive DMA? */ 145 void __iomem *regs; /* virt. base address, if any */ 146 struct serial_rs485 rs485; /* rs485 settings */ 147 }; 148 extern void __init at91_add_device_serial(void); 149 150 /* 151 * PWM 152 */ 153 #define AT91_PWM0 0 154 #define AT91_PWM1 1 155 #define AT91_PWM2 2 156 #define AT91_PWM3 3 157 158 extern void __init at91_add_device_pwm(u32 mask); 159 160 /* 161 * SSC -- accessed through ssc_request(id). Drivers don't bind to SSC 162 * platform devices. Their SSC ID is part of their configuration data, 163 * along with information about which SSC signals they should use. 164 */ 165 #define ATMEL_SSC_TK 0x01 166 #define ATMEL_SSC_TF 0x02 167 #define ATMEL_SSC_TD 0x04 168 #define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD) 169 170 #define ATMEL_SSC_RK 0x10 171 #define ATMEL_SSC_RF 0x20 172 #define ATMEL_SSC_RD 0x40 173 #define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD) 174 175 extern void __init at91_add_device_ssc(unsigned id, unsigned pins); 176 177 /* LCD Controller */ 178 struct atmel_lcdfb_info; 179 extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data); 180 181 /* AC97 */ 182 extern void __init at91_add_device_ac97(struct ac97c_platform_data *data); 183 184 /* ISI */ 185 extern void __init at91_add_device_isi(void); 186 187 /* Touchscreen Controller */ 188 struct at91_tsadcc_data { 189 unsigned int adc_clock; 190 u8 pendet_debounce; 191 u8 ts_sample_hold_time; 192 }; 193 extern void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data); 194 195 /* CAN */ 196 struct at91_can_data { 197 void (*transceiver_switch)(int on); 198 }; 199 extern void __init at91_add_device_can(struct at91_can_data *data); 200 201 /* LEDs */ 202 extern void __init at91_init_leds(u8 cpu_led, u8 timer_led); 203 extern void __init at91_gpio_leds(struct gpio_led *leds, int nr); 204 extern void __init at91_pwm_leds(struct gpio_led *leds, int nr); 205 206 /* AT572D940HF DSP */ 207 extern void __init at91_add_device_mAgic(void); 208 209 /* FIXME: this needs a better location, but gets stuff building again */ 210 extern int at91_suspend_entering_slow_clock(void); 211 212 #endif 213