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Diffstat (limited to 'include/linux/regulator/lp8720.h')
| -rw-r--r-- | include/linux/regulator/lp8720.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/include/linux/regulator/lp8720.h b/include/linux/regulator/lp8720.h new file mode 100644 index 0000000..e95a424 --- /dev/null +++ b/include/linux/regulator/lp8720.h @@ -0,0 +1,101 @@ +/* + * National Semiconductors LP8720 PMIC chip client interface + * + * Based on lp3971.h + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __LINUX_REGULATOR_LP8720_H +#define __LINUX_REGULATOR_LP8720_H + +#include <linux/regulator/machine.h> + +/* LP8720 regulator ids */ +enum { + LP8720_LDO1 = 0, + LP8720_LDO2, + LP8720_LDO3, + LP8720_LDO4, + LP8720_LDO5, + LP8720_BUCK_V1, + LP8720_BUCK_V2, + LP8720_REG_MAX, +}; + +#define LP8720_LDO1_EN BIT(0) +#define LP8720_LDO2_EN BIT(1) +#define LP8720_LDO3_EN BIT(2) +#define LP8720_LDO4_EN BIT(3) +#define LP8720_LDO5_EN BIT(4) +#define LP8720_BUCK_V1_EN BIT(5) +#define LP8720_BUCK_V2_EN BIT(5) + +#define LP8720_LDO1_REG (0x01) +#define LP8720_LDO2_REG (0x02) +#define LP8720_LDO3_REG (0x03) +#define LP8720_LDO4_REG (0x04) +#define LP8720_LDO5_REG (0x05) +#define LP8720_BUCK_V1_REG (0x06) +#define LP8720_BUCK_V2_REG (0x07) + +/* LP8720 PMIC Registers. */ +#define LP8720_GENERAL_SETTINGsS_REG (0x00) +#define LP8720_LDO1_SETTINGS_REG (0x01) +#define LP8720_LDO2_SETTINGS_REG (0x02) +#define LP8720_LDO3_SETTINGS_REG (0x03) +#define LP8720_LDO4_SETTINGS_REG (0x04) +#define LP8720_LDO5_SETTINGS_REG (0x05) +#define LP8720_BUCK_SETTINGS1_REG (0x06) +#define LP8720_BUCK_SETTINGS2_REG (0x07) +#define LP8720_ENABLE_REG (0x08) +#define LP8720_PULLDOWN_REG (0x09) +#define LP8720_STATUS_REG (0x0A) +#define LP8720_INTERRUPT_REG (0x0B) +#define LP8720_INTERRUPTM_REG (0x0C) + +#define LP8720_LDOV_SHIFT (0) +#define LP8720_LDOT_SHIFT (5) +#define LP8720_BUCK_SHIFT (0) +#define LP8720_LDOV_MASK (0x1F << LP8720_LDOV_SHIFT) +#define LP8720_LDOT_MASK (0x7 << LP8720_LDOT_SHIFT) +#define LP8720_BUCK_MASK (0x1F << LP8720_BUCK_SHIFT) + +#define LP8720_LDO_VOL_CONTR_BASE 0x01 +#define LP8720_LDO_VOL_CONTR_REG(x) (LP8720_LDO_VOL_CONTR_BASE + (x)) + +#define LP8720_BUCK_VOL_CONTR_BASE 0x06 +#define LP8720_BUCK_VOL_CONTR_REG(x) (LP8720_BUCK_VOL_CONTR_BASE + (x)) + +struct lp8720 { + struct device *dev; + struct mutex io_lock; + struct i2c_client *i2c; + int num_regulators; + struct regulator_dev **rdev; +}; + +struct lp8720_regulator_subdev { + int id; + struct regulator_init_data *initdata; +}; + +struct lp8720_platform_data { + char *name; + unsigned int en_pin; + int num_regulators; + struct lp8720_regulator_subdev *regulators; +}; +#endif /* __LINUX_REGULATOR_LP8720_H */ |