[ARM] 3866/1: AT91 clock update

This patch makes the AT91 clock.c support processor-generic (AT91RM9200
and AT91SAM9xxx).  The clocks supported by a particular AT91 processor
are defined in the processor-specific file and are registered with
clock.c at startup.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 30 insertions, 0 deletions

diff --git a/arch/arm/mach-at91rm9200/clock.h b/arch/arm/mach-at91rm9200/clock.h
new file mode 100644
index 000000000000..0592e662ab37
--- /dev/null
+++ b/arch/arm/mach-at91rm9200/clock.h
@@ -0,0 +1,30 @@
+/*
+ * linux/arch/arm/mach-at91rm9200/clock.h
+ *
+ * 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.
+ */
+
+#define CLK_TYPE_PRIMARY        0x1
+#define CLK_TYPE_PLL            0x2
+#define CLK_TYPE_PROGRAMMABLE   0x4
+#define CLK_TYPE_PERIPHERAL     0x8
+
+
+struct clk {
+        struct list_head node;
+        const char      *name;          /* unique clock name */
+        const char      *function;      /* function of the clock */
+        struct device   *dev;           /* device associated with function */
+        unsigned long   rate_hz;
+        struct clk      *parent;
+        u32             pmc_mask;
+        void            (*mode)(struct clk *, int);
+        unsigned        id:2;           /* PCK0..3, or 32k/main/a/b */
+        unsigned        type;           /* clock type */
+        u16             users;
+};
+
+
+extern int __init clk_register(struct clk *clk);