diff options
Diffstat (limited to 'include/linux/can/platform/sja1000.h')
-rw-r--r-- | include/linux/can/platform/sja1000.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/can/platform/sja1000.h b/include/linux/can/platform/sja1000.h new file mode 100644 index 000000000000..01ee2aeb048d --- /dev/null +++ b/include/linux/can/platform/sja1000.h | |||
@@ -0,0 +1,35 @@ | |||
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 | |||
28 | struct sja1000_platform_data { | ||
29 | u32 clock; /* 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_ */ | ||