cregit-Linux how code gets into the kernel

Release 4.12 include/linux/can/platform/cc770.h

#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 */

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