tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _CAN_PLATFORM_SJA1000_H_
2#define _CAN_PLATFORM_SJA1000_H_
3
4/* clock divider register */
5#define CDR_CLKOUT_MASK 0x07
6#define CDR_CLK_OFF 0x08 /* Clock off (CLKOUT pin) */
7#define CDR_RXINPEN 0x20 /* TX1 output is RX irq output */
8#define CDR_CBP 0x40 /* CAN input comparator bypass */
9#define CDR_PELICAN 0x80 /* PeliCAN mode */
10
11/* output control register */
12#define OCR_MODE_BIPHASE 0x00
13#define OCR_MODE_TEST 0x01
14#define OCR_MODE_NORMAL 0x02
15#define OCR_MODE_CLOCK 0x03
16#define OCR_MODE_MASK 0x07
17#define OCR_TX0_INVERT 0x04
18#define OCR_TX0_PULLDOWN 0x08
19#define OCR_TX0_PULLUP 0x10
20#define OCR_TX0_PUSHPULL 0x18
21#define OCR_TX1_INVERT 0x20
22#define OCR_TX1_PULLDOWN 0x40
23#define OCR_TX1_PULLUP 0x80
24#define OCR_TX1_PUSHPULL 0xc0
25#define OCR_TX_MASK 0xfc
26#define OCR_TX_SHIFT 2
27
28struct sja1000_platform_data {
29 u32 osc_freq; /* CAN bus oscillator frequency in Hz */
30
31 u8 ocr; /* output control register */
32 u8 cdr; /* clock divider register */
33};
34
35#endif /* !_CAN_PLATFORM_SJA1000_H_ */