59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
|
|
* Hisilicon HiP04 clock driver
|
|
*
|
|
* Copyright (c) 2013-2014 Hisilicon Limited.
|
|
* Copyright (c) 2013-2014 Linaro Limited.
|
|
*
|
|
* Author: Haojian Zhuang <haojian.zhuang@linaro.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/clkdev.h>
|
|
#include <linux/io.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_address.h>
|
|
#include <linux/of_device.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/clk.h>
|
|
|
|
#include <dt-bindings/clock/hip04-clock.h>
|
|
|
|
#include "clk.h"
|
|
|
|
/* fixed rate clocks */
|
|
static struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = {
|
|
{ HIP04_OSC50M, "osc50m", NULL, CLK_IS_ROOT, 50000000, },
|
|
{ HIP04_CLK_50M, "clk50m", NULL, CLK_IS_ROOT, 50000000, },
|
|
{ HIP04_CLK_168M, "clk168m", NULL, CLK_IS_ROOT, 168750000, },
|
|
};
|
|
|
|
static void __init hip04_clk_init(struct device_node *np)
|
|
{
|
|
struct hisi_clock_data *clk_data;
|
|
|
|
clk_data = hisi_clk_init(np, HIP04_NR_CLKS);
|
|
if (!clk_data)
|
|
return;
|
|
|
|
hisi_clk_register_fixed_rate(hip04_fixed_rate_clks,
|
|
ARRAY_SIZE(hip04_fixed_rate_clks),
|
|
clk_data);
|
|
}
|
|
CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init);
|