77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
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/*
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* $Id$
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*
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* ADM5120 minimal CLK API implementation
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*
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* Copyright (C) 2007 OpenWrt.org
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* Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
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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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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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 <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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if (!strcmp(id, "UARTCLK"))
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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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