65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/*
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* ADM5120 minimal CLK API implementation
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*
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* Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
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*
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* This file was based on the CLK API implementation in:
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* arch/mips/tx4938/toshiba_rbtx4938/setup.c
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* Copyright (C) 2000-2001 Toshiba Corporation
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* 2003-2005 (c) MontaVista Software, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/module.h>
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/device.h>
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#include <asm/mach-adm5120/adm5120_defs.h>
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struct clk {
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unsigned long rate;
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};
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static struct clk uart_clk = {
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.rate = ADM5120_UART_CLOCK
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};
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struct clk *clk_get(struct device *dev, const char *id)
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{
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char *name = dev_name(dev);
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if (!strcmp(name, "apb:uart0") || !strcmp(name, "apb:uart1"))
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return &uart_clk;
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return ERR_PTR(-ENOENT);
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}
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EXPORT_SYMBOL(clk_get);
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int clk_enable(struct clk *clk)
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{
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return 0;
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}
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EXPORT_SYMBOL(clk_enable);
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void clk_disable(struct clk *clk)
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{
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}
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EXPORT_SYMBOL(clk_disable);
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unsigned long clk_get_rate(struct clk *clk)
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{
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return clk->rate;
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}
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EXPORT_SYMBOL(clk_get_rate);
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void clk_put(struct clk *clk)
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{
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}
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EXPORT_SYMBOL(clk_put);
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