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/serial.h> 13 14 /* 15 * at91: 6 USARTs and one DBGU port (SAM9260) 16 * avr32: 4 17 */ 18 #define ATMEL_MAX_UART 7 19 20 /* USB Device */ 21 struct at91_udc_data { 22 int vbus_pin; /* high == host powering us */ 23 u8 vbus_active_low; /* vbus polarity */ 24 u8 vbus_polled; /* Use polling, not interrupt */ 25 int pullup_pin; /* active == D+ pulled up */ 26 u8 pullup_active_low; /* true == pullup_pin is active low */ 27 }; 28 29 /* Compact Flash */ 30 struct at91_cf_data { 31 int irq_pin; /* I/O IRQ */ 32 int det_pin; /* Card detect */ 33 int vcc_pin; /* power switching */ 34 int rst_pin; /* card reset */ 35 u8 chipselect; /* EBI Chip Select number */ 36 u8 flags; 37 #define AT91_CF_TRUE_IDE 0x01 38 #define AT91_IDE_SWAP_A0_A2 0x02 39 }; 40 41 /* NAND / SmartMedia */ 42 struct atmel_nand_data { 43 int enable_pin; /* chip enable */ 44 int det_pin; /* card detect */ 45 int rdy_pin; /* ready/busy */ 46 u8 rdy_pin_active_low; /* rdy_pin value is inverted */ 47 u8 ale; /* address line number connected to ALE */ 48 u8 cle; /* address line number connected to CLE */ 49 u8 bus_width_16; /* buswidth is 16 bit */ 50 u8 ecc_mode; /* ecc mode */ 51 u8 on_flash_bbt; /* bbt on flash */ 52 struct mtd_partition *parts; 53 unsigned int num_parts; 54 bool has_dma; /* support dma transfer */ 55 56 /* default is false, only for at32ap7000 chip is true */ 57 bool need_reset_workaround; 58 }; 59 60 /* Serial */ 61 struct atmel_uart_data { 62 int num; /* port num */ 63 short use_dma_tx; /* use transmit DMA? */ 64 short use_dma_rx; /* use receive DMA? */ 65 void __iomem *regs; /* virt. base address, if any */ 66 struct serial_rs485 rs485; /* rs485 settings */ 67 }; 68 69 /* CAN */ 70 struct at91_can_data { 71 void (*transceiver_switch)(int on); 72 }; 73 74 /* FIXME: this needs a better location, but gets stuff building again */ 75 extern int at91_suspend_entering_slow_clock(void); 76 77 #endif /* __ATMEL_H__ */ 78