forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
1.2 KiB
34 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#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 */
|
|
|