ARM: ICST: provide definitions for max/min VCO frequencies

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/include/asm/hardware/icst307.h b/arch/arm/include/asm/hardware/icst307.h
index 8d0820a654db..0c4e37e3fdef 100644
--- a/arch/arm/include/asm/hardware/icst307.h
+++ b/arch/arm/include/asm/hardware/icst307.h
@@ -21,4 +21,11 @@
 unsigned long icst307_khz(const struct icst_params *p, struct icst_vco vco);
 struct icst_vco icst307_khz_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 6000
+#define ICST307_VCO_MAX 200000
+
 #endif
diff --git a/arch/arm/include/asm/hardware/icst525.h b/arch/arm/include/asm/hardware/icst525.h
index 42a274e59fa2..3b72c132e24f 100644
--- a/arch/arm/include/asm/hardware/icst525.h
+++ b/arch/arm/include/asm/hardware/icst525.h
@@ -19,4 +19,12 @@
 unsigned long icst525_khz(const struct icst_params *p, struct icst_vco vco);
 struct icst_vco icst525_khz_to_vco(const struct icst_params *p, unsigned long freq);
 
+/*
+ * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V).
+ * This frequency is pre-output divider.
+ */
+#define ICST525_VCO_MIN         10000
+#define ICST525_VCO_MAX_3V      200000
+#define ICST525_VCO_MAX_5V      320000
+
 #endif