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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /include/linux/can/platform/cc770.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/can/platform/cc770.h')
-rw-r--r-- | include/linux/can/platform/cc770.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/can/platform/cc770.h b/include/linux/can/platform/cc770.h new file mode 100644 index 000000000..9587d6882 --- /dev/null +++ b/include/linux/can/platform/cc770.h @@ -0,0 +1,34 @@ +/* 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 */ |