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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/clk/clk-max77686.c
Initial import
Diffstat (limited to 'drivers/clk/clk-max77686.c')
-rw-r--r--drivers/clk/clk-max77686.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/clk/clk-max77686.c b/drivers/clk/clk-max77686.c
new file mode 100644
index 000000000..86cdb3a28
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+++ b/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");