summaryrefslogtreecommitdiff
path: root/include/asm-arm/hardware/icst525.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/hardware/icst525.h')
-rw-r--r--include/asm-arm/hardware/icst525.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-arm/hardware/icst525.h b/include/asm-arm/hardware/icst525.h
new file mode 100644
index 000000000000..edd5a5704406
--- /dev/null
+++ b/include/asm-arm/hardware/icst525.h
@@ -0,0 +1,36 @@
+/*
+ * linux/include/asm-arm/hardware/icst525.h
+ *
+ * Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Support functions for calculating clocks/divisors for the ICST525
+ * clock generators. See http://www.icst.com/ for more information
+ * on these devices.
+ */
+#ifndef ASMARM_HARDWARE_ICST525_H
+#define ASMARM_HARDWARE_ICST525_H
+
+struct icst525_params {
+ unsigned long ref;
+ unsigned long vco_max; /* inclusive */
+ unsigned short vd_min; /* inclusive */
+ unsigned short vd_max; /* inclusive */
+ unsigned char rd_min; /* inclusive */
+ unsigned char rd_max; /* inclusive */
+};
+
+struct icst525_vco {
+ unsigned short v;
+ unsigned char r;
+ unsigned char s;
+};
+
+unsigned long icst525_khz(const struct icst525_params *p, struct icst525_vco vco);
+struct icst525_vco icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq);
+struct icst525_vco icst525_ps_to_vco(const struct icst525_params *p, unsigned long period);
+
+#endif