diff options
Diffstat (limited to 'kernel/drivers/clk/clk-max77686.c')
-rw-r--r-- | kernel/drivers/clk/clk-max77686.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/kernel/drivers/clk/clk-max77686.c b/kernel/drivers/clk/clk-max77686.c new file mode 100644 index 000000000..86cdb3a28 --- /dev/null +++ b/kernel/drivers/clk/clk-max77686.c @@ -0,0 +1,86 @@ +/* + * clk-max77686.c - Clock driver for Maxim 77686 + * + * Copyright (C) 2012 Samsung Electornics + * Jonghwa Lee <jonghwa3.lee@samsung.com> + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/mfd/max77686.h> +#include <linux/mfd/max77686-private.h> +#include <linux/clk-provider.h> +#include <linux/mutex.h> +#include <linux/clkdev.h> + +#include <dt-bindings/clock/maxim,max77686.h> +#include "clk-max-gen.h" + +static struct clk_init_data max77686_clks_init[MAX77686_CLKS_NUM] = { + [MAX77686_CLK_AP] = { + .name = "32khz_ap", + .ops = &max_gen_clk_ops, + .flags = CLK_IS_ROOT, + }, + [MAX77686_CLK_CP] = { + .name = "32khz_cp", + .ops = &max_gen_clk_ops, + .flags = CLK_IS_ROOT, + }, + [MAX77686_CLK_PMIC] = { + .name = "32khz_pmic", + .ops = &max_gen_clk_ops, + .flags = CLK_IS_ROOT, + }, +}; + +static int max77686_clk_probe(struct platform_device *pdev) +{ + struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent); + + return max_gen_clk_probe(pdev, iodev->regmap, MAX77686_REG_32KHZ, + max77686_clks_init, MAX77686_CLKS_NUM); +} + +static int max77686_clk_remove(struct platform_device *pdev) +{ + return max_gen_clk_remove(pdev, MAX77686_CLKS_NUM); +} + +static const struct platform_device_id max77686_clk_id[] = { + { "max77686-clk", 0}, + { }, +}; +MODULE_DEVICE_TABLE(platform, max77686_clk_id); + +static struct platform_driver max77686_clk_driver = { + .driver = { + .name = "max77686-clk", + }, + .probe = max77686_clk_probe, + .remove = max77686_clk_remove, + .id_table = max77686_clk_id, +}; + +module_platform_driver(max77686_clk_driver); + +MODULE_DESCRIPTION("MAXIM 77686 Clock Driver"); +MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>"); +MODULE_LICENSE("GPL"); |