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| author |   Kevin Wells <wellsk40@gmail.com> | 2010-02-26 15:53:40 -0800 |
|---|---|---|
| committer | Kevin Wells <wellsk40@gmail.com> | 2010-07-27 03:08:09 -0700 |
| commit | b9cc4bf6656d5f349c283e6ac267b852b7a2e42e (patch) | |
| tree | 22d6dfdbbece219091183f441b8cd86e43b73866 /arch/arm/mach-lpc32xx/clock.h | |
| parent | ARM: LPC32XX: Debug and IRQ macros (diff) | |
| download | linux-dev-b9cc4bf6656d5f349c283e6ac267b852b7a2e42e.tar.xz linux-dev-b9cc4bf6656d5f349c283e6ac267b852b7a2e42e.zip | |
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.h | 38 |
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 000000000000..c0a8434307f7 --- /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 |