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Diffstat (limited to 'arch/mips/lasat/ds1603.h')
-rw-r--r-- | arch/mips/lasat/ds1603.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/mips/lasat/ds1603.h b/arch/mips/lasat/ds1603.h new file mode 100644 index 000000000..00987d3bd --- /dev/null +++ b/arch/mips/lasat/ds1603.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Dallas Semiconductors 1603 RTC driver + * + * Brian Murphy <brian@murphy.dk> + * + */ +#ifndef __DS1603_H +#define __DS1603_H + +struct ds_defs { + volatile u32 *reg; + volatile u32 *data_reg; + u32 rst; + u32 clk; + u32 data; + u32 data_read_shift; + char data_reversed; + u32 huge_delay; +}; + +extern struct ds_defs *ds1603; + +void ds1603_set_trimmer(unsigned int); +void ds1603_enable(void); +void ds1603_disable(void); +void ds1603_init(struct ds_defs *); + +#define TRIMMER_DEFAULT 3 +#define TRIMMER_DISABLE_RTC 0 + +#endif |