diff options
| -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 | ||||
| -rw-r--r-- | include/dt-bindings/clock/hip04-clock.h | 35 |
4 files changed, 94 insertions, 1 deletions
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index a367a9831717..5134a79be320 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -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/ diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile index a049108341fc..40b33c6a8257 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 +obj-y += clk.o clkgate-separated.o + +obj-$(CONFIG_ARCH_HI3xxx) += clk-hi3620.o +obj-$(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 000000000000..bdc6cd05f4ca --- /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); diff --git a/include/dt-bindings/clock/hip04-clock.h b/include/dt-bindings/clock/hip04-clock.h new file mode 100644 index 000000000000..695e61cd1523 --- /dev/null +++ b/include/dt-bindings/clock/hip04-clock.h @@ -0,0 +1,35 @@ +/* + * 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 */ |