linux/include/linux/can/platform/cc770.h
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   1#ifndef _CAN_PLATFORM_CC770_H
   2#define _CAN_PLATFORM_CC770_H
   3
   4/* CPU Interface Register (0x02) */
   5#define CPUIF_CEN       0x01    /* Clock Out Enable */
   6#define CPUIF_MUX       0x04    /* Multiplex */
   7#define CPUIF_SLP       0x08    /* Sleep */
   8#define CPUIF_PWD       0x10    /* Power Down Mode */
   9#define CPUIF_DMC       0x20    /* Divide Memory Clock */
  10#define CPUIF_DSC       0x40    /* Divide System Clock */
  11#define CPUIF_RST       0x80    /* Hardware Reset Status */
  12
  13/* Clock Out Register (0x1f) */
  14#define CLKOUT_CD_MASK  0x0f    /* Clock Divider mask */
  15#define CLKOUT_SL_MASK  0x30    /* Slew Rate mask */
  16#define CLKOUT_SL_SHIFT 4
  17
  18/* Bus Configuration Register (0x2f) */
  19#define BUSCFG_DR0      0x01    /* Disconnect RX0 Input / Select RX input */
  20#define BUSCFG_DR1      0x02    /* Disconnect RX1 Input / Silent mode */
  21#define BUSCFG_DT1      0x08    /* Disconnect TX1 Output */
  22#define BUSCFG_POL      0x20    /* Polarity dominant or recessive */
  23#define BUSCFG_CBY      0x40    /* Input Comparator Bypass */
  24
  25struct cc770_platform_data {
  26        u32 osc_freq;   /* CAN bus oscillator frequency in Hz */
  27
  28        u8 cir;         /* CPU Interface Register */
  29        u8 cor;         /* Clock Out Register */
  30        u8 bcr;         /* Bus Configuration Register */
  31};
  32
  33#endif  /* !_CAN_PLATFORM_CC770_H */
  34