[mirror_ubuntu-focal-kernel.git] / include / linux / can / platform / sja1000.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CAN_PLATFORM_SJA1000_H
#define _CAN_PLATFORM_SJA1000_H

/* clock divider register */
#define CDR_CLKOUT_MASK 0x07
#define CDR_CLK_OFF	0x08 /* Clock off (CLKOUT pin) */
#define CDR_RXINPEN	0x20 /* TX1 output is RX irq output */
#define CDR_CBP		0x40 /* CAN input comparator bypass */
#define CDR_PELICAN	0x80 /* PeliCAN mode */

/* output control register */
#define OCR_MODE_BIPHASE  0x00
#define OCR_MODE_TEST     0x01
#define OCR_MODE_NORMAL   0x02
#define OCR_MODE_CLOCK    0x03
#define OCR_MODE_MASK     0x07
#define OCR_TX0_INVERT    0x04
#define OCR_TX0_PULLDOWN  0x08
#define OCR_TX0_PULLUP    0x10
#define OCR_TX0_PUSHPULL  0x18
#define OCR_TX1_INVERT    0x20
#define OCR_TX1_PULLDOWN  0x40
#define OCR_TX1_PULLUP    0x80
#define OCR_TX1_PUSHPULL  0xc0
#define OCR_TX_MASK       0xfc
#define OCR_TX_SHIFT      2

struct sja1000_platform_data {
	u32 osc_freq;	/* CAN bus oscillator frequency in Hz */

	u8 ocr;		/* output control register */
	u8 cdr;		/* clock divider register */
};

#endif	/* !_CAN_PLATFORM_SJA1000_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
42193e3e OH	2	#ifndef _CAN_PLATFORM_SJA1000_H
42193e3e OH	3	#define _CAN_PLATFORM_SJA1000_H
f534e52f WG	4
	5	/* clock divider register */
	6	#define CDR_CLKOUT_MASK 0x07
	7	#define CDR_CLK_OFF 0x08 /* Clock off (CLKOUT pin) */
	8	#define CDR_RXINPEN 0x20 /* TX1 output is RX irq output */
	9	#define CDR_CBP 0x40 /* CAN input comparator bypass */
	10	#define CDR_PELICAN 0x80 /* PeliCAN mode */
	11
	12	/* output control register */
	13	#define OCR_MODE_BIPHASE 0x00
	14	#define OCR_MODE_TEST 0x01
	15	#define OCR_MODE_NORMAL 0x02
	16	#define OCR_MODE_CLOCK 0x03
d1a277c5	17	#define OCR_MODE_MASK 0x07
f534e52f WG	18	#define OCR_TX0_INVERT 0x04
	19	#define OCR_TX0_PULLDOWN 0x08
	20	#define OCR_TX0_PULLUP 0x10
	21	#define OCR_TX0_PUSHPULL 0x18
	22	#define OCR_TX1_INVERT 0x20
	23	#define OCR_TX1_PULLDOWN 0x40
	24	#define OCR_TX1_PULLUP 0x80
	25	#define OCR_TX1_PUSHPULL 0xc0
d1a277c5 WG	26	#define OCR_TX_MASK 0xfc
d1a277c5 WG	27	#define OCR_TX_SHIFT 2
f534e52f WG	28
f534e52f WG	29	struct sja1000_platform_data {
56e6943b	30	u32 osc_freq; /* CAN bus oscillator frequency in Hz */
f534e52f WG	31
	32	u8 ocr; /* output control register */
	33	u8 cdr; /* clock divider register */
	34	};
	35
42193e3e	36	#endif /* !_CAN_PLATFORM_SJA1000_H */