Commit d3e6573c authored by Haojian Zhuang's avatar Haojian Zhuang Committed by Haojian Zhuang
Browse files

clk: hip04: add clock driver



Now only fixed rate clocks are appended into the clock driver.
Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@linaro.org>
parent 16d1c899
......@@ -30,6 +30,7 @@ obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o
obj-$(CONFIG_COMMON_CLK_XGENE) += clk-xgene.o
obj-$(CONFIG_COMMON_CLK_AT91) += at91/
obj-$(CONFIG_ARCH_HI3xxx) += hisilicon/
obj-$(CONFIG_ARCH_HIP04) += hisilicon/
obj-$(CONFIG_COMMON_CLK_KEYSTONE) += keystone/
ifeq ($(CONFIG_COMMON_CLK), y)
obj-$(CONFIG_ARCH_MMP) += mmp/
......
......@@ -2,4 +2,7 @@
# Hisilicon Clock specific Makefile
#
obj-y += clk.o clkgate-separated.o clk-hi3620.o
obj-y += clk.o clkgate-separated.o
obj-$(CONFIG_ARCH_HI3xxx) += clk-hi3620.o
obj-$(CONFIG_ARCH_HIP04) += clk-hip04.o
/*
* 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)
{
hisi_clk_init(np, HIP04_NR_CLKS);
hisi_clk_register_fixed_rate(hip04_fixed_rate_clks,
ARRAY_SIZE(hip04_fixed_rate_clks),
NULL);
}
CLK_OF_DECLARE(hip04_clk, "hisilicon,hip04-clock", hip04_clk_init);
/*
* 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.
*
*/
#ifndef __DTS_HIP04_CLOCK_H
#define __DTS_HIP04_CLOCK_H
#define HIP04_NONE_CLOCK 0
/* fixed rate & fixed factor clocks */
#define HIP04_OSC50M 1
#define HIP04_CLK_50M 2
#define HIP04_CLK_168M 3
#define HIP04_NR_CLKS 64
#endif /* __DTS_HIP04_CLOCK_H */
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