220e6cf7b7
This adds basic support for the Calxeda Highbank platform. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Reviewed-by: Jamie Iles <jamie@jamieiles.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
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* Copyright 2011 Calxeda, 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 and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/clk.h>
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#include <linux/clkdev.h>
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struct clk {
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unsigned long rate;
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};
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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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void clk_disable(struct clk *clk)
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{}
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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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long clk_round_rate(struct clk *clk, unsigned long rate)
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{
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return clk->rate;
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}
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int clk_set_rate(struct clk *clk, unsigned long rate)
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{
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return 0;
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}
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static struct clk eclk = { .rate = 200000000 };
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static struct clk pclk = { .rate = 150000000 };
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static struct clk_lookup lookups[] = {
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{ .clk = &pclk, .con_id = "apb_pclk", },
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{ .clk = &pclk, .dev_id = "sp804", },
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{ .clk = &eclk, .dev_id = "ffe0e000.sdhci", },
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{ .clk = &pclk, .dev_id = "fff36000.serial", },
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};
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void __init highbank_clocks_init(void)
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{
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clkdev_add_table(lookups, ARRAY_SIZE(lookups));
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}
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