clk: hip04: add clock driver (d3e6573c) · Commits · e / devices / android_kernel_teracube_2e

drivers/clk/Makefile

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		@@ -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/

drivers/clk/hisilicon/Makefile

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		@@ -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

drivers/clk/hisilicon/clk-hip04.c

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		/*
		* 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);

include/dt-bindings/clock/hip04-clock.h

0 → 100644

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		/*
		* 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 */