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kernel/linux-rt-4.4.41/include/linux/can/platform/sja1000.h 1.01 KB
5113f6f70   김현기   kernel add
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  #ifndef _CAN_PLATFORM_SJA1000_H
  #define _CAN_PLATFORM_SJA1000_H
  
  /* clock divider register */
  #define CDR_CLKOUT_MASK 0x07
  #define CDR_CLK_OFF	0x08 /* Clock off (CLKOUT pin) */
  #define CDR_RXINPEN	0x20 /* TX1 output is RX irq output */
  #define CDR_CBP		0x40 /* CAN input comparator bypass */
  #define CDR_PELICAN	0x80 /* PeliCAN mode */
  
  /* output control register */
  #define OCR_MODE_BIPHASE  0x00
  #define OCR_MODE_TEST     0x01
  #define OCR_MODE_NORMAL   0x02
  #define OCR_MODE_CLOCK    0x03
  #define OCR_MODE_MASK     0x07
  #define OCR_TX0_INVERT    0x04
  #define OCR_TX0_PULLDOWN  0x08
  #define OCR_TX0_PULLUP    0x10
  #define OCR_TX0_PUSHPULL  0x18
  #define OCR_TX1_INVERT    0x20
  #define OCR_TX1_PULLDOWN  0x40
  #define OCR_TX1_PULLUP    0x80
  #define OCR_TX1_PUSHPULL  0xc0
  #define OCR_TX_MASK       0xfc
  #define OCR_TX_SHIFT      2
  
  struct sja1000_platform_data {
  	u32 osc_freq;	/* CAN bus oscillator frequency in Hz */
  
  	u8 ocr;		/* output control register */
  	u8 cdr;		/* clock divider register */
  };
  
  #endif	/* !_CAN_PLATFORM_SJA1000_H */