1 files changed, 59 insertions, 0 deletions

diff --git a/arch/arm/include/asm/hardware/icst.h b/arch/arm/include/asm/hardware/icst.h
new file mode 100644
index 00000000000..10382a3dcec
--- /dev/null
+++ b/arch/arm/include/asm/hardware/icst.h
@@ -0,0 +1,59 @@
+/*
+ *  arch/arm/include/asm/hardware/icst.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 ICST
+ *  clock generators.  See http://www.icst.com/ for more information
+ *  on these devices.
+ */
+#ifndef ASMARM_HARDWARE_ICST_H
+#define ASMARM_HARDWARE_ICST_H
+
+struct icst_params {
+        unsigned long   ref;
+        unsigned long   vco_max;        /* inclusive */
+        unsigned long   vco_min;        /* exclusive */
+        unsigned short  vd_min;         /* inclusive */
+        unsigned short  vd_max;         /* inclusive */
+        unsigned char   rd_min;         /* inclusive */
+        unsigned char   rd_max;         /* inclusive */
+        const unsigned char *s2div;     /* chip specific s2div array */
+        const unsigned char *idx2s;     /* chip specific idx2s array */
+};
+
+struct icst_vco {
+        unsigned short  v;
+        unsigned char   r;
+        unsigned char   s;
+};
+
+unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco);
+struct icst_vco icst_hz_to_vco(const struct icst_params *p, unsigned long freq);
+
+/*
+ * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V).
+ * This frequency is pre-output divider.
+ */
+#define ICST307_VCO_MIN 6000000
+#define ICST307_VCO_MAX 200000000
+
+extern const unsigned char icst307_s2div[];
+extern const unsigned char icst307_idx2s[];
+
+/*
+ * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V).
+ * This frequency is pre-output divider.
+ */
+#define ICST525_VCO_MIN         10000000
+#define ICST525_VCO_MAX_3V      200000000
+#define ICST525_VCO_MAX_5V      320000000
+
+extern const unsigned char icst525_s2div[];
+extern const unsigned char icst525_idx2s[];
+
+#endif