diff options
Diffstat (limited to 'include/linux/can')
-rw-r--r-- | include/linux/can/platform/cc770.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/can/platform/cc770.h b/include/linux/can/platform/cc770.h new file mode 100644 index 000000000000..7702641f87ee --- /dev/null +++ b/include/linux/can/platform/cc770.h | |||
@@ -0,0 +1,33 @@ | |||
1 | #ifndef _CAN_PLATFORM_CC770_H_ | ||
2 | #define _CAN_PLATFORM_CC770_H_ | ||
3 | |||
4 | /* CPU Interface Register (0x02) */ | ||
5 | #define CPUIF_CEN 0x01 /* Clock Out Enable */ | ||
6 | #define CPUIF_MUX 0x04 /* Multiplex */ | ||
7 | #define CPUIF_SLP 0x08 /* Sleep */ | ||
8 | #define CPUIF_PWD 0x10 /* Power Down Mode */ | ||
9 | #define CPUIF_DMC 0x20 /* Divide Memory Clock */ | ||
10 | #define CPUIF_DSC 0x40 /* Divide System Clock */ | ||
11 | #define CPUIF_RST 0x80 /* Hardware Reset Status */ | ||
12 | |||
13 | /* Clock Out Register (0x1f) */ | ||
14 | #define CLKOUT_CD_MASK 0x0f /* Clock Divider mask */ | ||
15 | #define CLKOUT_SL_MASK 0x30 /* Slew Rate mask */ | ||
16 | #define CLKOUT_SL_SHIFT 4 | ||
17 | |||
18 | /* Bus Configuration Register (0x2f) */ | ||
19 | #define BUSCFG_DR0 0x01 /* Disconnect RX0 Input / Select RX input */ | ||
20 | #define BUSCFG_DR1 0x02 /* Disconnect RX1 Input / Silent mode */ | ||
21 | #define BUSCFG_DT1 0x08 /* Disconnect TX1 Output */ | ||
22 | #define BUSCFG_POL 0x20 /* Polarity dominant or recessive */ | ||
23 | #define BUSCFG_CBY 0x40 /* Input Comparator Bypass */ | ||
24 | |||
25 | struct cc770_platform_data { | ||
26 | u32 osc_freq; /* CAN bus oscillator frequency in Hz */ | ||
27 | |||
28 | u8 cir; /* CPU Interface Register */ | ||
29 | u8 cor; /* Clock Out Register */ | ||
30 | u8 bcr; /* Bus Configuration Register */ | ||
31 | }; | ||
32 | |||
33 | #endif /* !_CAN_PLATFORM_CC770_H_ */ | ||