104 lines
2.2 KiB
C
104 lines
2.2 KiB
C
/*
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* Preliminary clock framework support for sh7367
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*
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* Copyright (C) 2010 Magnus Damm
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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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 Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/clk.h>
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struct clk {
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const char *name;
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unsigned long rate;
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};
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#include <asm/clkdev.h>
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int __clk_get(struct clk *clk)
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{
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return 1;
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}
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EXPORT_SYMBOL(__clk_get);
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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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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 ? clk->rate : 0;
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}
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EXPORT_SYMBOL(clk_get_rate);
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/* a static peripheral clock for now - enough to get sh-sci working */
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static struct clk peripheral_clk = {
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.name = "peripheral_clk",
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.rate = 48000000,
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};
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/* a static rclk for now - enough to get sh_cmt working */
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static struct clk r_clk = {
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.name = "r_clk",
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.rate = 32768,
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};
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/* a static usb0 for now - enough to get r8a66597 working */
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static struct clk usb0_clk = {
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.name = "usb0",
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};
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/* a static keysc0 clk for now - enough to get sh_keysc working */
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static struct clk keysc0_clk = {
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.name = "keysc0",
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};
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static struct clk_lookup lookups[] = {
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{
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.clk = &peripheral_clk,
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}, {
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.clk = &r_clk,
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}, {
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.clk = &usb0_clk,
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}, {
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.clk = &keysc0_clk,
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}
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};
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void __init sh7367_clock_init(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(lookups); i++) {
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lookups[i].con_id = lookups[i].clk->name;
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clkdev_add(&lookups[i]);
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}
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}
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