diff options
Diffstat (limited to 'arch/arm/plat-versatile/clock.c')
-rw-r--r-- | arch/arm/plat-versatile/clock.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/plat-versatile/clock.c b/arch/arm/plat-versatile/clock.c new file mode 100644 index 0000000..2fa34de --- /dev/null +++ b/arch/arm/plat-versatile/clock.c @@ -0,0 +1,60 @@ +/* + * linux/arch/arm/plat-versatile/clock.c + * + * Copyright (C) 2004 ARM Limited. + * Written by Deep Blue Solutions Limited. + * + * 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. + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/clk.h> +#include <linux/mutex.h> + +#include <asm/hardware/icst.h> + +#include <mach/clkdev.h> + +int clk_enable(struct clk *clk) +{ + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return clk->rate; +} +EXPORT_SYMBOL(clk_get_rate); + +long clk_round_rate(struct clk *clk, unsigned long rate) +{ + struct icst_vco vco; + vco = icst_hz_to_vco(clk->params, rate); + return icst_hz(clk->params, vco); +} +EXPORT_SYMBOL(clk_round_rate); + +int clk_set_rate(struct clk *clk, unsigned long rate) +{ + int ret = -EIO; + + if (clk->setvco) { + struct icst_vco vco; + + vco = icst_hz_to_vco(clk->params, rate); + clk->rate = icst_hz(clk->params, vco); + clk->setvco(clk, vco); + ret = 0; + } + return ret; +} +EXPORT_SYMBOL(clk_set_rate); |