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authorKevin Wells <wellsk40@gmail.com>2010-02-26 15:53:40 -0800
committerKevin Wells <wellsk40@gmail.com>2010-07-27 03:08:09 -0700
commitb9cc4bf6656d5f349c283e6ac267b852b7a2e42e (patch)
tree22d6dfdbbece219091183f441b8cd86e43b73866 /arch/arm/mach-lpc32xx/clock.h
parent343d3537917bd74648fa2a360b42f64ad5ec551d (diff)
ARM: LPC32XX: Clock driver
Clock driver for the LPC32XX architecture Signed-off-by: Kevin Wells <wellsk40@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-lpc32xx/clock.h')
-rw-r--r--arch/arm/mach-lpc32xx/clock.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-lpc32xx/clock.h b/arch/arm/mach-lpc32xx/clock.h
new file mode 100644
index 00000000000..c0a8434307f
--- /dev/null
+++ b/arch/arm/mach-lpc32xx/clock.h
@@ -0,0 +1,38 @@
+/*
+ * arch/arm/mach-lpc32xx/clock.h
+ *
+ * Author: Kevin Wells <kevin.wells@nxp.com>
+ *
+ * Copyright (C) 2010 NXP Semiconductors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __LPC32XX_CLOCK_H
+#define __LPC32XX_CLOCK_H
+
+struct clk {
+ struct list_head node;
+ struct clk *parent;
+ u32 rate;
+ u32 usecount;
+
+ int (*set_rate) (struct clk *, unsigned long);
+ unsigned long (*round_rate) (struct clk *, unsigned long);
+ unsigned long (*get_rate) (struct clk *clk);
+ int (*enable) (struct clk *, int);
+
+ /* Register address and bit mask for simple clocks */
+ void __iomem *enable_reg;
+ u32 enable_mask;
+};
+
+#endif