diff options
author | Haojian Zhuang <haojian.zhuang@linaro.org> | 2013-12-24 17:33:54 +0800 |
---|---|---|
committer | Andrey Konovalov <andrey.konovalov@linaro.org> | 2014-04-16 23:52:28 +0400 |
commit | 020b7ab7caeffe1566318755a36a859ea17cac74 (patch) | |
tree | b5a1ac1694dbfb4193caf98b0d51f0374f32d7df /drivers/clk | |
parent | 8b8534a0497127df7e9ef4f47e66f8940d321e8e (diff) |
clk: hip04: add clock driver
Now only fixed rate clocks are appended into the clock driver.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/Makefile | 1 | ||||
-rw-r--r-- | drivers/clk/hisilicon/Makefile | 5 | ||||
-rw-r--r-- | drivers/clk/hisilicon/clk-hip04.c | 54 |
3 files changed, 59 insertions, 1 deletions
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 3baa0da3854..fcfe62d7cfe 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_COMMON_CLK_XGENE) += clk-xgene.o obj-$(CONFIG_COMMON_CLK_AT91) += at91/ obj-$(CONFIG_ARCH_BCM_MOBILE) += bcm/ obj-$(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/ diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile index f3f11c4b748..352269bd414 100644 --- a/drivers/clk/hisilicon/Makefile +++ b/drivers/clk/hisilicon/Makefile @@ -2,4 +2,7 @@ # Hisilicon Clock specific Makefile # -obj-y += clk.o clkgate-separated.o clk-hi3620.o clk-hi3716.o +obj-y += clk.o clkgate-separated.o + +obj-$(CONFIG_ARCH_HI3xxx) += clk-hi3620.o clk-hi3716.o +obj-$(CONFIG_ARCH_HIP04) += clk-hip04.o diff --git a/drivers/clk/hisilicon/clk-hip04.c b/drivers/clk/hisilicon/clk-hip04.c new file mode 100644 index 00000000000..bdc6cd05f4c --- /dev/null +++ b/drivers/clk/hisilicon/clk-hip04.c @@ -0,0 +1,54 @@ +/* + * 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); |