1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _CAN_PLATFORM_CC770_H 3#define _CAN_PLATFORM_CC770_H 4 5/* CPU Interface Register (0x02) */ 6#define CPUIF_CEN 0x01 /* Clock Out Enable */ 7#define CPUIF_MUX 0x04 /* Multiplex */ 8#define CPUIF_SLP 0x08 /* Sleep */ 9#define CPUIF_PWD 0x10 /* Power Down Mode */ 10#define CPUIF_DMC 0x20 /* Divide Memory Clock */ 11#define CPUIF_DSC 0x40 /* Divide System Clock */ 12#define CPUIF_RST 0x80 /* Hardware Reset Status */ 13 14/* Clock Out Register (0x1f) */ 15#define CLKOUT_CD_MASK 0x0f /* Clock Divider mask */ 16#define CLKOUT_SL_MASK 0x30 /* Slew Rate mask */ 17#define CLKOUT_SL_SHIFT 4 18 19/* Bus Configuration Register (0x2f) */ 20#define BUSCFG_DR0 0x01 /* Disconnect RX0 Input / Select RX input */ 21#define BUSCFG_DR1 0x02 /* Disconnect RX1 Input / Silent mode */ 22#define BUSCFG_DT1 0x08 /* Disconnect TX1 Output */ 23#define BUSCFG_POL 0x20 /* Polarity dominant or recessive */ 24#define BUSCFG_CBY 0x40 /* Input Comparator Bypass */ 25 26struct cc770_platform_data { 27 u32 osc_freq; /* CAN bus oscillator frequency in Hz */ 28 29 u8 cir; /* CPU Interface Register */ 30 u8 cor; /* Clock Out Register */ 31 u8 bcr; /* Bus Configuration Register */ 32}; 33 34#endif /* !_CAN_PLATFORM_CC770_H */ 35