cc770.h

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#ifndef _CAN_PLATFORM_CC770_H_
#define _CAN_PLATFORM_CC770_H_

/* CPU Interface Register (0x02) */
#define CPUIF_CEN   0x01    /* Clock Out Enable */
#define CPUIF_MUX   0x04    /* Multiplex */
#define CPUIF_SLP   0x08    /* Sleep */
#define CPUIF_PWD   0x10    /* Power Down Mode */
#define CPUIF_DMC   0x20    /* Divide Memory Clock */
#define CPUIF_DSC   0x40    /* Divide System Clock */
#define CPUIF_RST   0x80    /* Hardware Reset Status */

/* Clock Out Register (0x1f) */
#define CLKOUT_CD_MASK  0x0f    /* Clock Divider mask */
#define CLKOUT_SL_MASK  0x30    /* Slew Rate mask */
#define CLKOUT_SL_SHIFT 4

/* Bus Configuration Register (0x2f) */
#define BUSCFG_DR0  0x01    /* Disconnect RX0 Input / Select RX input */
#define BUSCFG_DR1  0x02    /* Disconnect RX1 Input / Silent mode */
#define BUSCFG_DT1  0x08    /* Disconnect TX1 Output */
#define BUSCFG_POL  0x20    /* Polarity dominant or recessive */
#define BUSCFG_CBY  0x40    /* Input Comparator Bypass */

struct cc770_platform_data {
    u32 osc_freq;   /* CAN bus oscillator frequency in Hz */

    u8 cir;     /* CPU Interface Register */
    u8 cor;     /* Clock Out Register */
    u8 bcr;     /* Bus Configuration Register */
};

#endif  /* !_CAN_PLATFORM_CC770_H_ */