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-rw-r--r--include/linux/mfd/max77665.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/include/linux/mfd/max77665.h b/include/linux/mfd/max77665.h
new file mode 100644
index 000000000000..380a1a4aac0d
--- /dev/null
+++ b/include/linux/mfd/max77665.h
@@ -0,0 +1,92 @@
+/*
+ * Core driver interface for MAXIM77665
+ *
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+
+ * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __LINUX_MFD_MAX77665_H
+#define __LINUX_MFD_MAX77665_H
+
+#include <linux/irq.h>
+#include <linux/regmap.h>
+
+/* MAX77665 Interrups */
+enum {
+ MAX77665_IRQ_CHARGER,
+ MAX77665_IRQ_TOP_SYS,
+ MAX77665_IRQ_FLASH,
+ MAX77665_IRQ_MUIC,
+};
+
+enum {
+ MAX77665_I2C_SLAVE_PMIC,
+ MAX77665_I2C_SLAVE_MUIC,
+ MAX77665_I2C_SLAVE_HAPTIC,
+ MAX77665_I2C_SLAVE_MAX,
+};
+
+struct max77665 {
+ struct device *dev;
+ struct i2c_client *client[MAX77665_I2C_SLAVE_MAX];
+ struct regmap *regmap[MAX77665_I2C_SLAVE_MAX];
+ struct irq_chip irq_chip;
+ struct mutex irq_lock;
+ int irq_base;
+};
+
+struct max77665_platform_data {
+ int irq_base;
+};
+
+static inline int max77665_write(struct device *dev, int slv_id,
+ int reg, uint8_t val)
+{
+ struct max77665 *maxim = dev_get_drvdata(dev);
+
+ return regmap_write(maxim->regmap[slv_id], reg, val);
+}
+
+static inline int max77665_read(struct device *dev, int slv_id,
+ int reg, uint8_t *val)
+{
+ struct max77665 *maxim = dev_get_drvdata(dev);
+ unsigned int temp_val;
+ int ret;
+
+ ret = regmap_read(maxim->regmap[slv_id], reg, &temp_val);
+ if (!ret)
+ *val = temp_val;
+ return ret;
+}
+
+static inline int max77665_set_bits(struct device *dev, int slv_id,
+ int reg, uint8_t bit_num)
+{
+ struct max77665 *maxim = dev_get_drvdata(dev);
+
+ return regmap_update_bits(maxim->regmap[slv_id],
+ reg, BIT(bit_num), ~0u);
+}
+
+static inline int max77665_clr_bits(struct device *dev, int slv_id,
+ int reg, uint8_t bit_num)
+{
+ struct max77665 *maxim = dev_get_drvdata(dev);
+
+ return regmap_update_bits(maxim->regmap[slv_id],
+ reg, BIT(bit_num), 0u);
+}
+
+#endif /*__LINUX_MFD_MAX77665_H */