diff options
Diffstat (limited to 'target/linux/adm5120/files-3.8/arch/mips/adm5120/common/clock.c')
-rw-r--r-- | target/linux/adm5120/files-3.8/arch/mips/adm5120/common/clock.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/target/linux/adm5120/files-3.8/arch/mips/adm5120/common/clock.c b/target/linux/adm5120/files-3.8/arch/mips/adm5120/common/clock.c new file mode 100644 index 0000000..52ae64c --- /dev/null +++ b/target/linux/adm5120/files-3.8/arch/mips/adm5120/common/clock.c @@ -0,0 +1,65 @@ +/* + * ADM5120 minimal CLK API implementation + * + * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org> + * + * This file was based on the CLK API implementation in: + * arch/mips/tx4938/toshiba_rbtx4938/setup.c + * Copyright (C) 2000-2001 Toshiba Corporation + * 2003-2005 (c) MontaVista Software, Inc. + * + * 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/kernel.h> +#include <linux/string.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/device.h> + +#include <asm/mach-adm5120/adm5120_defs.h> + +struct clk { + unsigned long rate; +}; + +static struct clk uart_clk = { + .rate = ADM5120_UART_CLOCK +}; + +struct clk *clk_get(struct device *dev, const char *id) +{ + const char *name = dev_name(dev); + + if (!strcmp(name, "apb:uart0") || !strcmp(name, "apb:uart1")) + return &uart_clk; + + return ERR_PTR(-ENOENT); +} +EXPORT_SYMBOL(clk_get); + +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); + +void clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_put); |