2 * arch/arm/mach-at91/include/mach/board.h
4 * Copyright (C) 2005 HP Labs
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.
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.
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
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.
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.
31 #ifndef __ASM_ARCH_BOARD_H
32 #define __ASM_ARCH_BOARD_H
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 #include <linux/platform_data/macb.h>
44 #include <linux/platform_data/atmel.h>
47 struct at91_udc_data
{
48 int vbus_pin
; /* high == host powering us */
49 u8 vbus_active_low
; /* vbus polarity */
50 u8 vbus_polled
; /* Use polling, not interrupt */
51 int pullup_pin
; /* active == D+ pulled up */
52 u8 pullup_active_low
; /* true == pullup_pin is active low */
54 extern void __init
at91_add_device_udc(struct at91_udc_data
*data
);
56 /* USB High Speed Device */
57 extern void __init
at91_add_device_usba(struct usba_platform_data
*data
);
61 int irq_pin
; /* I/O IRQ */
62 int det_pin
; /* Card detect */
63 int vcc_pin
; /* power switching */
64 int rst_pin
; /* card reset */
65 u8 chipselect
; /* EBI Chip Select number */
67 #define AT91_CF_TRUE_IDE 0x01
68 #define AT91_IDE_SWAP_A0_A2 0x02
70 extern void __init
at91_add_device_cf(struct at91_cf_data
*data
);
73 /* at91_mci platform config */
74 struct at91_mmc_data
{
75 int det_pin
; /* card detect IRQ */
76 unsigned slot_b
:1; /* uses Slot B */
77 unsigned wire4
:1; /* (SD) supports DAT0..DAT3 */
78 int wp_pin
; /* (SD) writeprotect detect */
79 int vcc_pin
; /* power switching (high == on) */
81 extern void __init
at91_add_device_mmc(short mmc_id
, struct at91_mmc_data
*data
);
83 /* atmel-mci platform config */
84 extern void __init
at91_add_device_mci(short mmc_id
, struct mci_platform_data
*data
);
86 extern void __init
at91_add_device_eth(struct macb_platform_data
*data
);
89 #define AT91_MAX_USBH_PORTS 3
90 struct at91_usbh_data
{
91 int vbus_pin
[AT91_MAX_USBH_PORTS
]; /* port power-control pin */
92 int overcurrent_pin
[AT91_MAX_USBH_PORTS
];
93 u8 ports
; /* number of ports on root hub */
94 u8 overcurrent_supported
;
95 u8 vbus_pin_active_low
[AT91_MAX_USBH_PORTS
];
96 u8 overcurrent_status
[AT91_MAX_USBH_PORTS
];
97 u8 overcurrent_changed
[AT91_MAX_USBH_PORTS
];
99 extern void __init
at91_add_device_usbh(struct at91_usbh_data
*data
);
100 extern void __init
at91_add_device_usbh_ohci(struct at91_usbh_data
*data
);
101 extern void __init
at91_add_device_usbh_ehci(struct at91_usbh_data
*data
);
103 extern void __init
at91_add_device_nand(struct atmel_nand_data
*data
);
106 #if defined(CONFIG_ARCH_AT91SAM9G45)
107 extern void __init
at91_add_device_i2c(short i2c_id
, struct i2c_board_info
*devices
, int nr_devices
);
109 extern void __init
at91_add_device_i2c(struct i2c_board_info
*devices
, int nr_devices
);
113 extern void __init
at91_add_device_spi(struct spi_board_info
*devices
, int nr_devices
);
116 #define ATMEL_UART_CTS 0x01
117 #define ATMEL_UART_RTS 0x02
118 #define ATMEL_UART_DSR 0x04
119 #define ATMEL_UART_DTR 0x08
120 #define ATMEL_UART_DCD 0x10
121 #define ATMEL_UART_RI 0x20
123 extern void __init
at91_register_uart(unsigned id
, unsigned portnr
, unsigned pins
);
125 extern struct platform_device
*atmel_default_console_device
;
127 struct atmel_uart_data
{
128 int num
; /* port num */
129 short use_dma_tx
; /* use transmit DMA? */
130 short use_dma_rx
; /* use receive DMA? */
131 void __iomem
*regs
; /* virt. base address, if any */
132 struct serial_rs485 rs485
; /* rs485 settings */
134 extern void __init
at91_add_device_serial(void);
144 extern void __init
at91_add_device_pwm(u32 mask
);
147 * SSC -- accessed through ssc_request(id). Drivers don't bind to SSC
148 * platform devices. Their SSC ID is part of their configuration data,
149 * along with information about which SSC signals they should use.
151 #define ATMEL_SSC_TK 0x01
152 #define ATMEL_SSC_TF 0x02
153 #define ATMEL_SSC_TD 0x04
154 #define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
156 #define ATMEL_SSC_RK 0x10
157 #define ATMEL_SSC_RF 0x20
158 #define ATMEL_SSC_RD 0x40
159 #define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
161 extern void __init
at91_add_device_ssc(unsigned id
, unsigned pins
);
164 struct atmel_lcdfb_info
;
165 extern void __init
at91_add_device_lcdc(struct atmel_lcdfb_info
*data
);
168 extern void __init
at91_add_device_ac97(struct ac97c_platform_data
*data
);
171 struct isi_platform_data
;
172 extern void __init
at91_add_device_isi(struct isi_platform_data
*data
,
173 bool use_pck_as_mck
);
175 /* Touchscreen Controller */
176 struct at91_tsadcc_data
{
177 unsigned int adc_clock
;
179 u8 ts_sample_hold_time
;
181 extern void __init
at91_add_device_tsadcc(struct at91_tsadcc_data
*data
);
184 struct at91_can_data
{
185 void (*transceiver_switch
)(int on
);
187 extern void __init
at91_add_device_can(struct at91_can_data
*data
);
190 extern void __init
at91_init_leds(u8 cpu_led
, u8 timer_led
);
191 extern void __init
at91_gpio_leds(struct gpio_led
*leds
, int nr
);
192 extern void __init
at91_pwm_leds(struct gpio_led
*leds
, int nr
);
194 /* FIXME: this needs a better location, but gets stuff building again */
195 extern int at91_suspend_entering_slow_clock(void);