Initial file dump from open source releaseHEADmaster

1 files changed, 106 insertions, 0 deletions

diff --git a/include/linux/mfd/lm3632.h b/include/linux/mfd/lm3632.h
new file mode 100755
index 00000000..bd973c69
--- /dev/null
+++ b/include/linux/mfd/lm3632.h
@@ -0,0 +1,106 @@
+/*
+ * TI LM3632 MFD Driver
+ *
+ * Copyright 2015 Texas Instruments
+ *
+ * Author: Milo Kim <milo.kim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __MFD_LM3632_H__
+#define __MFD_LM3632_H__
+
+#include <linux/gpio.h>
+#include <linux/pwm.h>
+#include <linux/regmap.h>
+#include <linux/regulator/machine.h>
+
+/* Registers */
+#define LM3632_REG_CONFIG1		0x02
+#define LM3632_OVP_MASK			(BIT(5) | BIT(6) | BIT(7))
+#define LM3632_OVP_25V			BIT(6)
+
+#define LM3632_REG_CONFIG2		0x03
+#define LM3632_SWFREQ_MASK		BIT(7)
+#define LM3632_SWFREQ_1MHZ		BIT(7)
+
+#define LM3632_REG_BRT_LSB		0x04
+#define LM3632_BRT_LSB_MASK		(BIT(0) | BIT(1) | BIT(2))
+#define LM3632_REG_BRT_MSB		0x05
+#define LM3632_BRT_MSB_SHIFT		3
+
+#define LM3632_REG_IO_CTRL		0x09
+#define LM3632_PWM_MASK			BIT(6)
+#define LM3632_PWM_SHIFT		6
+
+#define LM3632_REG_ENABLE		0x0A
+#define LM3632_BL_EN_MASK		BIT(0)
+#define LM3632_BL_EN_SHIFT		0
+#define LM3632_BL_STRING_MASK		(BIT(3) | BIT(4))
+#define LM3632_BL_ONE_STRING		BIT(4)
+#define LM3632_BL_TWO_STRINGS		BIT(3)
+
+#define LM3632_REG_BIAS_CONFIG		0x0C
+#define LM3632_EXT_EN_MASK		BIT(0)
+#define LM3632_EN_VNEG_MASK		BIT(1)
+#define LM3632_EN_VPOS_MASK		BIT(2)
+
+#define LM3632_REG_VOUT_BOOST		0x0D
+#define LM3632_REG_VOUT_POS		0x0E
+#define LM3632_REG_VOUT_NEG		0x0F
+#define LM3632_VOUT_MASK		0x3F
+
+#define LM3632_MAX_REGISTERS		0x10
+
+#define LM3632_NUM_REGULATORS		3
+
+/*
+ * struct lm3632_backlight_platform_data
+ * @name: Backlight driver name
+ * @is_full_strings: set true if two strings are used
+ * @pwm_period: Platform specific PWM period value. unit is nano
+ */
+struct lm3632_backlight_platform_data {
+	const char *name;
+	bool is_full_strings;
+
+	/* Only valid in case of PWM mode */
+	unsigned int pwm_period;
+};
+
+/*
+ * struct lm3632_platform_data
+ * @en_gpio: GPIO for chip enable pin
+ * @lcm_en1_gpio: GPIO for VPOS LDO
+ * @lcm_en2_gpio: GPIO for VNEG LDO
+ * @regulator_data: Regulator initial data for LCD bias
+ * @bl_pdata: Backlight platform data
+ */
+struct lm3632_platform_data {
+	int en_gpio;
+	int lcm_en1_gpio;
+	int lcm_en2_gpio;
+	struct regulator_init_data *regulator_data[LM3632_NUM_REGULATORS];
+	struct lm3632_backlight_platform_data *bl_pdata;
+};
+
+/*
+ * struct lm3632
+ * @dev: Parent device pointer
+ * @regmap: Used for i2c communcation on accessing registers
+ * @pdata: LMU platform specific data
+ */
+struct lm3632 {
+	struct device *dev;
+	struct regmap *regmap;
+	struct lm3632_platform_data *pdata;
+};
+
+int lm3632_read_byte(struct lm3632 *lm3632, u8 reg, u8 *read);
+int lm3632_write_byte(struct lm3632 *lm3632, u8 reg, u8 data);
+int lm3632_update_bits(struct lm3632 *lm3632, u8 reg, u8 mask, u8 data);
+#endif