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Diffstat (limited to 'arch/mips/lasat/ds1603.h')
-rw-r--r--arch/mips/lasat/ds1603.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/mips/lasat/ds1603.h b/arch/mips/lasat/ds1603.h
new file mode 100644
index 000000000..3e718b1cc
--- /dev/null
+++ b/arch/mips/lasat/ds1603.h
@@ -0,0 +1,31 @@
+/*
+ * 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