Fix up Maxim MAX77686 driver

... to fit into the naming convention

Change-Id: I4a7d81c4d6674d001fc831df863bd2343f6c636f
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2020
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Tested-by: build bot (Jenkins)

1 files changed, 134 insertions, 0 deletions

diff --git a/src/drivers/maxim/max77686/max77686.h b/src/drivers/maxim/max77686/max77686.h
new file mode 100644
index 0000000000..345471eb21
--- /dev/null
+++ b/src/drivers/maxim/max77686/max77686.h
@@ -0,0 +1,134 @@
+/*
+ *  Copyright (C) 2012 Samsung Electronics
+ *  Alim Akhtar <alim.akhtar@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#ifndef __MAX77686_H_
+#define __MAX77686_H_
+
+enum max77686_regnum {
+	PMIC_BUCK1 = 0,
+	PMIC_BUCK2,
+	PMIC_BUCK3,
+	PMIC_BUCK4,
+	PMIC_BUCK5,
+	PMIC_BUCK6,
+	PMIC_BUCK7,
+	PMIC_BUCK8,
+	PMIC_BUCK9,
+	PMIC_LDO1,
+	PMIC_LDO2,
+	PMIC_LDO3,
+	PMIC_LDO4,
+	PMIC_LDO5,
+	PMIC_LDO6,
+	PMIC_LDO7,
+	PMIC_LDO8,
+	PMIC_LDO9,
+	PMIC_LDO10,
+	PMIC_LDO11,
+	PMIC_LDO12,
+	PMIC_LDO13,
+	PMIC_LDO14,
+	PMIC_LDO15,
+	PMIC_LDO16,
+	PMIC_LDO17,
+	PMIC_LDO18,
+	PMIC_LDO19,
+	PMIC_LDO20,
+	PMIC_LDO21,
+	PMIC_LDO22,
+	PMIC_LDO23,
+	PMIC_LDO24,
+	PMIC_LDO25,
+	PMIC_LDO26,
+	PMIC_EN32KHZ_CP,
+};
+
+/**
+ * struct max77686_para - max77686 register parameters
+ * @param vol_addr	i2c address of the given buck/ldo register
+ * @param vol_bitpos	bit position to be set or clear within register
+ * @param vol_bitmask	bit mask value
+ * @param reg_enaddr	control register address, which enable the given
+ *			given buck/ldo.
+ * @param reg_enbitpos	bit position to be enabled
+ * @param reg_enbiton	value to be written to buck/ldo to make it ON
+ * @param reg_enbitoff	value to be written to buck/ldo to make it OFF
+ * @param vol_min	minimum voltage level supported by given buck/ldo
+ * @param vol_div	voltage division value of given buck/ldo
+ */
+struct max77686_para {
+	enum max77686_regnum regnum;
+	u8	vol_addr;
+	u8	vol_bitpos;
+	u8	vol_bitmask;
+	u8	reg_enaddr;
+	u8	reg_enbitpos;
+	u8	reg_enbitmask;
+	u8	reg_enbiton;
+	u8	reg_enbitoff;
+	u32	vol_min;
+	u32	vol_div;
+};
+
+/* I2C device address for pmic max77686 */
+#define MAX77686_I2C_ADDR (0x12 >> 1)
+
+enum {
+	REG_DISABLE = 0,
+	REG_ENABLE
+};
+
+enum {
+	MAX77686_MV = 0,	/* mili volt */
+	MAX77686_UV		/* micro volt */
+};
+
+/**
+ * This function enables the 32KHz coprocessor clock.
+ *
+ * Return 0 if ok, else -1
+ */
+int max77686_enable_32khz_cp(void);
+
+/**
+ * Set the required voltage level of pmic
+ *
+ * @param reg		register number of buck/ldo to be set
+ * @param volt		voltage level to be set
+ * @param enable	enable or disable bit
+ * @param volt_units	MAX77686_MV or MAX77686_UV, unit of the
+ *			voltage parameters
+ *
+ * @return		Return 0 if ok, else -1
+ */
+int max77686_volsetting(enum max77686_regnum reg, unsigned int volt,
+			int enable, int volt_units);
+
+/**
+ * Disable charging of the RTC backup battery
+ *
+ * @return		Return 0 if ok, else -1
+ */
+int max77686_disable_backup_batt(void);
+
+#endif /* __MAX77686_PMIC_H_ */