Merge remote-tracking branch 'regulator/topic/da9055' into regulator-next
This commit is contained in:
Mark Brown
commit
db58e0270c
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@ -109,6 +109,16 @@ config REGULATOR_DA9052
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This driver supports the voltage regulators of DA9052-BC and
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DA9053-AA/Bx PMIC.
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config REGULATOR_DA9055
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tristate "Dialog Semiconductor DA9055 regulators"
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||||
depends on MFD_DA9055
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help
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Say y here to support the BUCKs and LDOs regulators found on
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Dialog Semiconductor DA9055 PMIC.
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||||
This driver can also be built as a module. If so, the module
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will be called da9055-regulator.
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config REGULATOR_FAN53555
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tristate "Fairchild FAN53555 Regulator"
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depends on I2C
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@ -19,6 +19,7 @@ obj-$(CONFIG_REGULATOR_ARIZONA) += arizona-micsupp.o arizona-ldo1.o
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obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o
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obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
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obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
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obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o
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obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o
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obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
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obj-$(CONFIG_REGULATOR_FAN53555) += fan53555.o
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@ -0,0 +1,680 @@
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/*
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* Regulator driver for DA9055 PMIC
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*
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* Copyright(c) 2012 Dialog Semiconductor Ltd.
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*
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* Author: David Dajun Chen <dchen@diasemi.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <linux/mfd/da9055/core.h>
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#include <linux/mfd/da9055/reg.h>
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#include <linux/mfd/da9055/pdata.h>
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#define DA9055_MIN_UA 0
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#define DA9055_MAX_UA 3
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#define DA9055_LDO_MODE_SYNC 0
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#define DA9055_LDO_MODE_SLEEP 1
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#define DA9055_BUCK_MODE_SLEEP 1
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#define DA9055_BUCK_MODE_SYNC 2
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#define DA9055_BUCK_MODE_AUTO 3
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/* DA9055 REGULATOR IDs */
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#define DA9055_ID_BUCK1 0
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#define DA9055_ID_BUCK2 1
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#define DA9055_ID_LDO1 2
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#define DA9055_ID_LDO2 3
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#define DA9055_ID_LDO3 4
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#define DA9055_ID_LDO4 5
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#define DA9055_ID_LDO5 6
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#define DA9055_ID_LDO6 7
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/* DA9055 BUCK current limit */
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static const int da9055_current_limits[] = { 500000, 600000, 700000, 800000 };
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struct da9055_conf_reg {
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int reg;
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int sel_mask;
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int en_mask;
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};
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struct da9055_volt_reg {
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int reg_a;
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int reg_b;
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int sl_shift;
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int v_offset;
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int v_mask;
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int v_shift;
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};
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struct da9055_mode_reg {
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int reg;
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int mask;
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int shift;
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};
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struct da9055_regulator_info {
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struct regulator_desc reg_desc;
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struct da9055_conf_reg conf;
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struct da9055_volt_reg volt;
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struct da9055_mode_reg mode;
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};
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struct da9055_regulator {
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struct da9055 *da9055;
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struct da9055_regulator_info *info;
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struct regulator_dev *rdev;
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enum gpio_select reg_rselect;
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};
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static unsigned int da9055_buck_get_mode(struct regulator_dev *rdev)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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int ret, mode = 0;
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ret = da9055_reg_read(regulator->da9055, info->mode.reg);
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if (ret < 0)
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return ret;
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switch ((ret & info->mode.mask) >> info->mode.shift) {
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case DA9055_BUCK_MODE_SYNC:
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mode = REGULATOR_MODE_FAST;
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break;
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case DA9055_BUCK_MODE_AUTO:
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mode = REGULATOR_MODE_NORMAL;
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break;
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case DA9055_BUCK_MODE_SLEEP:
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mode = REGULATOR_MODE_STANDBY;
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break;
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}
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return mode;
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}
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static int da9055_buck_set_mode(struct regulator_dev *rdev,
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unsigned int mode)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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int val = 0;
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switch (mode) {
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case REGULATOR_MODE_FAST:
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val = DA9055_BUCK_MODE_SYNC << info->mode.shift;
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break;
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case REGULATOR_MODE_NORMAL:
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val = DA9055_BUCK_MODE_AUTO << info->mode.shift;
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break;
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case REGULATOR_MODE_STANDBY:
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val = DA9055_BUCK_MODE_SLEEP << info->mode.shift;
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break;
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}
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return da9055_reg_update(regulator->da9055, info->mode.reg,
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info->mode.mask, val);
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}
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static unsigned int da9055_ldo_get_mode(struct regulator_dev *rdev)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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int ret;
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ret = da9055_reg_read(regulator->da9055, info->volt.reg_b);
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if (ret < 0)
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return ret;
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if (ret >> info->volt.sl_shift)
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return REGULATOR_MODE_STANDBY;
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else
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return REGULATOR_MODE_NORMAL;
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}
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static int da9055_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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struct da9055_volt_reg volt = info->volt;
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int val = 0;
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switch (mode) {
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case REGULATOR_MODE_NORMAL:
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case REGULATOR_MODE_FAST:
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val = DA9055_LDO_MODE_SYNC;
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break;
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case REGULATOR_MODE_STANDBY:
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val = DA9055_LDO_MODE_SLEEP;
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break;
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}
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return da9055_reg_update(regulator->da9055, volt.reg_b,
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1 << volt.sl_shift,
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val << volt.sl_shift);
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}
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static int da9055_buck_get_current_limit(struct regulator_dev *rdev)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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int ret;
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ret = da9055_reg_read(regulator->da9055, DA9055_REG_BUCK_LIM);
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if (ret < 0)
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return ret;
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ret &= info->mode.mask;
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return da9055_current_limits[ret >> info->mode.shift];
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}
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static int da9055_buck_set_current_limit(struct regulator_dev *rdev, int min_uA,
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int max_uA)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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int i;
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for (i = ARRAY_SIZE(da9055_current_limits) - 1; i >= 0; i--) {
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if ((min_uA <= da9055_current_limits[i]) &&
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(da9055_current_limits[i] <= max_uA))
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return da9055_reg_update(regulator->da9055,
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DA9055_REG_BUCK_LIM,
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info->mode.mask,
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i << info->mode.shift);
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}
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return -EINVAL;
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}
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static int da9055_list_voltage(struct regulator_dev *rdev, unsigned selector)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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if (selector >= rdev->desc->n_voltages)
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return -EINVAL;
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if (selector < info->volt.v_offset)
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return 0;
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selector -= info->volt.v_offset;
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return rdev->desc->min_uV + (rdev->desc->uV_step * selector);
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}
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static int da9055_map_voltage(struct regulator_dev *rdev, int min_uV,
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int max_uV)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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int sel, voltage;
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if (min_uV < rdev->desc->min_uV)
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min_uV = rdev->desc->min_uV;
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sel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
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sel += info->volt.v_offset;
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voltage = da9055_list_voltage(rdev, sel);
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if (voltage < min_uV || voltage > max_uV)
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return -EINVAL;
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return sel;
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}
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static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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struct da9055_volt_reg volt = info->volt;
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int ret, sel;
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/*
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* There are two voltage register set A & B for voltage ramping but
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* either one of then can be active therefore we first determine
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* the active register set.
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*/
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ret = da9055_reg_read(regulator->da9055, info->conf.reg);
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if (ret < 0)
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return ret;
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ret &= info->conf.sel_mask;
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/* Get the voltage for the active register set A/B */
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if (ret == DA9055_REGUALTOR_SET_A)
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ret = da9055_reg_read(regulator->da9055, volt.reg_a);
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else
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ret = da9055_reg_read(regulator->da9055, volt.reg_b);
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if (ret < 0)
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return ret;
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sel = (ret & volt.v_mask);
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if (sel <= volt.v_offset)
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return 0;
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else
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return sel;
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}
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static int da9055_regulator_set_voltage_sel(struct regulator_dev *rdev,
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unsigned int selector)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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int ret;
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||||
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/*
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* Regulator register set A/B is not selected through GPIO therefore
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||||
* we use default register set A for voltage ramping.
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*/
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if (regulator->reg_rselect == NO_GPIO) {
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/* Select register set A */
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ret = da9055_reg_update(regulator->da9055, info->conf.reg,
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info->conf.sel_mask, DA9055_SEL_REG_A);
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if (ret < 0)
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||||
return ret;
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||||
|
||||
/* Set the voltage */
|
||||
return da9055_reg_update(regulator->da9055, info->volt.reg_a,
|
||||
info->volt.v_mask, selector);
|
||||
}
|
||||
|
||||
/*
|
||||
* Here regulator register set A/B is selected through GPIO.
|
||||
* Therefore we first determine the selected register set A/B and
|
||||
* then set the desired voltage for that register set A/B.
|
||||
*/
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||||
ret = da9055_reg_read(regulator->da9055, info->conf.reg);
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||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret &= info->conf.sel_mask;
|
||||
|
||||
/* Set the voltage */
|
||||
if (ret == DA9055_REGUALTOR_SET_A)
|
||||
return da9055_reg_update(regulator->da9055, info->volt.reg_a,
|
||||
info->volt.v_mask, selector);
|
||||
else
|
||||
return da9055_reg_update(regulator->da9055, info->volt.reg_b,
|
||||
info->volt.v_mask, selector);
|
||||
}
|
||||
|
||||
static int da9055_regulator_set_suspend_voltage(struct regulator_dev *rdev,
|
||||
int uV)
|
||||
{
|
||||
struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
|
||||
struct da9055_regulator_info *info = regulator->info;
|
||||
int ret;
|
||||
|
||||
/* Select register set B for suspend voltage ramping. */
|
||||
if (regulator->reg_rselect == NO_GPIO) {
|
||||
ret = da9055_reg_update(regulator->da9055, info->conf.reg,
|
||||
info->conf.sel_mask, DA9055_SEL_REG_B);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = da9055_map_voltage(rdev, uV, uV);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
return da9055_reg_update(regulator->da9055, info->volt.reg_b,
|
||||
info->volt.v_mask, ret);
|
||||
}
|
||||
|
||||
static int da9055_suspend_enable(struct regulator_dev *rdev)
|
||||
{
|
||||
struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
|
||||
struct da9055_regulator_info *info = regulator->info;
|
||||
|
||||
/* Select register set B for voltage ramping. */
|
||||
if (regulator->reg_rselect == NO_GPIO)
|
||||
return da9055_reg_update(regulator->da9055, info->conf.reg,
|
||||
info->conf.sel_mask, DA9055_SEL_REG_B);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int da9055_suspend_disable(struct regulator_dev *rdev)
|
||||
{
|
||||
struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
|
||||
struct da9055_regulator_info *info = regulator->info;
|
||||
|
||||
/* Diselect register set B. */
|
||||
if (regulator->reg_rselect == NO_GPIO)
|
||||
return da9055_reg_update(regulator->da9055, info->conf.reg,
|
||||
info->conf.sel_mask, DA9055_SEL_REG_A);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct regulator_ops da9055_buck_ops = {
|
||||
.get_mode = da9055_buck_get_mode,
|
||||
.set_mode = da9055_buck_set_mode,
|
||||
|
||||
.get_current_limit = da9055_buck_get_current_limit,
|
||||
.set_current_limit = da9055_buck_set_current_limit,
|
||||
|
||||
.get_voltage_sel = da9055_regulator_get_voltage_sel,
|
||||
.set_voltage_sel = da9055_regulator_set_voltage_sel,
|
||||
.list_voltage = da9055_list_voltage,
|
||||
.map_voltage = da9055_map_voltage,
|
||||
.is_enabled = regulator_is_enabled_regmap,
|
||||
.enable = regulator_enable_regmap,
|
||||
.disable = regulator_disable_regmap,
|
||||
|
||||
.set_suspend_voltage = da9055_regulator_set_suspend_voltage,
|
||||
.set_suspend_enable = da9055_suspend_enable,
|
||||
.set_suspend_disable = da9055_suspend_disable,
|
||||
.set_suspend_mode = da9055_buck_set_mode,
|
||||
};
|
||||
|
||||
static struct regulator_ops da9055_ldo_ops = {
|
||||
.get_mode = da9055_ldo_get_mode,
|
||||
.set_mode = da9055_ldo_set_mode,
|
||||
|
||||
.get_voltage_sel = da9055_regulator_get_voltage_sel,
|
||||
.set_voltage_sel = da9055_regulator_set_voltage_sel,
|
||||
.list_voltage = da9055_list_voltage,
|
||||
.map_voltage = da9055_map_voltage,
|
||||
.is_enabled = regulator_is_enabled_regmap,
|
||||
.enable = regulator_enable_regmap,
|
||||
.disable = regulator_disable_regmap,
|
||||
|
||||
.set_suspend_voltage = da9055_regulator_set_suspend_voltage,
|
||||
.set_suspend_enable = da9055_suspend_enable,
|
||||
.set_suspend_disable = da9055_suspend_disable,
|
||||
.set_suspend_mode = da9055_ldo_set_mode,
|
||||
|
||||
};
|
||||
|
||||
#define DA9055_LDO(_id, step, min, max, vbits, voffset) \
|
||||
{\
|
||||
.reg_desc = {\
|
||||
.name = #_id,\
|
||||
.ops = &da9055_ldo_ops,\
|
||||
.type = REGULATOR_VOLTAGE,\
|
||||
.id = DA9055_ID_##_id,\
|
||||
.n_voltages = (max - min) / step + 1 + (voffset), \
|
||||
.enable_reg = DA9055_REG_BCORE_CONT + DA9055_ID_##_id, \
|
||||
.enable_mask = 1, \
|
||||
.min_uV = (min) * 1000,\
|
||||
.uV_step = (step) * 1000,\
|
||||
.owner = THIS_MODULE,\
|
||||
},\
|
||||
.conf = {\
|
||||
.reg = DA9055_REG_BCORE_CONT + DA9055_ID_##_id, \
|
||||
.sel_mask = (1 << 4),\
|
||||
.en_mask = 1,\
|
||||
},\
|
||||
.volt = {\
|
||||
.reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \
|
||||
.reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \
|
||||
.sl_shift = 7,\
|
||||
.v_offset = (voffset),\
|
||||
.v_mask = (1 << (vbits)) - 1,\
|
||||
.v_shift = (vbits),\
|
||||
},\
|
||||
}
|
||||
|
||||
#define DA9055_BUCK(_id, step, min, max, vbits, voffset, mbits, sbits) \
|
||||
{\
|
||||
.reg_desc = {\
|
||||
.name = #_id,\
|
||||
.ops = &da9055_buck_ops,\
|
||||
.type = REGULATOR_VOLTAGE,\
|
||||
.id = DA9055_ID_##_id,\
|
||||
.n_voltages = (max - min) / step + 1 + (voffset), \
|
||||
.enable_reg = DA9055_REG_BCORE_CONT + DA9055_ID_##_id, \
|
||||
.enable_mask = 1,\
|
||||
.min_uV = (min) * 1000,\
|
||||
.uV_step = (step) * 1000,\
|
||||
.owner = THIS_MODULE,\
|
||||
},\
|
||||
.conf = {\
|
||||
.reg = DA9055_REG_BCORE_CONT + DA9055_ID_##_id, \
|
||||
.sel_mask = (1 << 4),\
|
||||
.en_mask = 1,\
|
||||
},\
|
||||
.volt = {\
|
||||
.reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \
|
||||
.reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \
|
||||
.sl_shift = 7,\
|
||||
.v_offset = (voffset),\
|
||||
.v_mask = (1 << (vbits)) - 1,\
|
||||
.v_shift = (vbits),\
|
||||
},\
|
||||
.mode = {\
|
||||
.reg = DA9055_REG_BCORE_MODE,\
|
||||
.mask = (mbits),\
|
||||
.shift = (sbits),\
|
||||
},\
|
||||
}
|
||||
|
||||
static struct da9055_regulator_info da9055_regulator_info[] = {
|
||||
DA9055_BUCK(BUCK1, 25, 725, 2075, 6, 9, 0xc, 2),
|
||||
DA9055_BUCK(BUCK2, 25, 925, 2500, 6, 0, 3, 0),
|
||||
DA9055_LDO(LDO1, 50, 900, 3300, 6, 2),
|
||||
DA9055_LDO(LDO2, 50, 900, 3300, 6, 3),
|
||||
DA9055_LDO(LDO3, 50, 900, 3300, 6, 2),
|
||||
DA9055_LDO(LDO4, 50, 900, 3300, 6, 2),
|
||||
DA9055_LDO(LDO5, 50, 900, 2750, 6, 2),
|
||||
DA9055_LDO(LDO6, 20, 900, 3300, 7, 0),
|
||||
};
|
||||
|
||||
/*
|
||||
* Configures regulator to be controlled either through GPIO 1 or 2.
|
||||
* GPIO can control regulator state and/or select the regulator register
|
||||
* set A/B for voltage ramping.
|
||||
*/
|
||||
static __devinit int da9055_gpio_init(struct da9055_regulator *regulator,
|
||||
struct regulator_config *config,
|
||||
struct da9055_pdata *pdata, int id)
|
||||
{
|
||||
struct da9055_regulator_info *info = regulator->info;
|
||||
int ret = 0;
|
||||
|
||||
if (pdata->gpio_ren && pdata->gpio_ren[id]) {
|
||||
char name[18];
|
||||
int gpio_mux = pdata->gpio_ren[id];
|
||||
|
||||
config->ena_gpio = pdata->ena_gpio[id];
|
||||
config->ena_gpio_flags = GPIOF_OUT_INIT_HIGH;
|
||||
config->ena_gpio_invert = 1;
|
||||
|
||||
/*
|
||||
* GPI pin is muxed with regulator to control the
|
||||
* regulator state.
|
||||
*/
|
||||
sprintf(name, "DA9055 GPI %d", gpio_mux);
|
||||
ret = devm_gpio_request_one(config->dev, gpio_mux, GPIOF_DIR_IN,
|
||||
name);
|
||||
if (ret < 0)
|
||||
goto err;
|
||||
|
||||
/*
|
||||
* Let the regulator know that its state is controlled
|
||||
* through GPI.
|
||||
*/
|
||||
ret = da9055_reg_update(regulator->da9055, info->conf.reg,
|
||||
DA9055_E_GPI_MASK,
|
||||
pdata->reg_ren[id]
|
||||
<< DA9055_E_GPI_SHIFT);
|
||||
if (ret < 0)
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (pdata->gpio_rsel && pdata->gpio_rsel[id]) {
|
||||
char name[18];
|
||||
int gpio_mux = pdata->gpio_rsel[id];
|
||||
|
||||
regulator->reg_rselect = pdata->reg_rsel[id];
|
||||
|
||||
/*
|
||||
* GPI pin is muxed with regulator to select the
|
||||
* regulator register set A/B for voltage ramping.
|
||||
*/
|
||||
sprintf(name, "DA9055 GPI %d", gpio_mux);
|
||||
ret = devm_gpio_request_one(config->dev, gpio_mux, GPIOF_DIR_IN,
|
||||
name);
|
||||
if (ret < 0)
|
||||
goto err;
|
||||
|
||||
/*
|
||||
* Let the regulator know that its register set A/B
|
||||
* will be selected through GPI for voltage ramping.
|
||||
*/
|
||||
ret = da9055_reg_update(regulator->da9055, info->conf.reg,
|
||||
DA9055_V_GPI_MASK,
|
||||
pdata->reg_rsel[id]
|
||||
<< DA9055_V_GPI_SHIFT);
|
||||
}
|
||||
|
||||
err:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static irqreturn_t da9055_ldo5_6_oc_irq(int irq, void *data)
|
||||
{
|
||||
struct da9055_regulator *regulator = data;
|
||||
|
||||
regulator_notifier_call_chain(regulator->rdev,
|
||||
REGULATOR_EVENT_OVER_CURRENT, NULL);
|
||||
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static inline struct da9055_regulator_info *find_regulator_info(int id)
|
||||
{
|
||||
struct da9055_regulator_info *info;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(da9055_regulator_info); i++) {
|
||||
info = &da9055_regulator_info[i];
|
||||
if (info->reg_desc.id == id)
|
||||
return info;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int __devinit da9055_regulator_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct regulator_config config = { };
|
||||
struct da9055_regulator *regulator;
|
||||
struct da9055 *da9055 = dev_get_drvdata(pdev->dev.parent);
|
||||
struct da9055_pdata *pdata = da9055->dev->platform_data;
|
||||
int ret, irq;
|
||||
|
||||
if (pdata == NULL || pdata->regulators[pdev->id] == NULL)
|
||||
return -ENODEV;
|
||||
|
||||
regulator = devm_kzalloc(&pdev->dev, sizeof(struct da9055_regulator),
|
||||
GFP_KERNEL);
|
||||
if (!regulator)
|
||||
return -ENOMEM;
|
||||
|
||||
regulator->info = find_regulator_info(pdev->id);
|
||||
if (regulator->info == NULL) {
|
||||
dev_err(&pdev->dev, "invalid regulator ID specified\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
regulator->da9055 = da9055;
|
||||
config.dev = &pdev->dev;
|
||||
config.driver_data = regulator;
|
||||
config.regmap = da9055->regmap;
|
||||
|
||||
if (pdata && pdata->regulators)
|
||||
config.init_data = pdata->regulators[pdev->id];
|
||||
|
||||
ret = da9055_gpio_init(regulator, &config, pdata, pdev->id);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
regulator->rdev = regulator_register(®ulator->info->reg_desc,
|
||||
&config);
|
||||
if (IS_ERR(regulator->rdev)) {
|
||||
dev_err(&pdev->dev, "Failed to register regulator %s\n",
|
||||
regulator->info->reg_desc.name);
|
||||
ret = PTR_ERR(regulator->rdev);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Only LDO 5 and 6 has got the over current interrupt */
|
||||
if (pdev->id == DA9055_ID_LDO5 || pdev->id == DA9055_ID_LDO6) {
|
||||
irq = platform_get_irq_byname(pdev, "REGULATOR");
|
||||
irq = regmap_irq_get_virq(da9055->irq_data, irq);
|
||||
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
|
||||
da9055_ldo5_6_oc_irq,
|
||||
IRQF_TRIGGER_HIGH |
|
||||
IRQF_ONESHOT |
|
||||
IRQF_PROBE_SHARED,
|
||||
pdev->name, regulator);
|
||||
if (ret != 0) {
|
||||
if (ret != -EBUSY) {
|
||||
dev_err(&pdev->dev,
|
||||
"Failed to request Regulator IRQ %d: %d\n",
|
||||
irq, ret);
|
||||
goto err_regulator;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
platform_set_drvdata(pdev, regulator);
|
||||
|
||||
return 0;
|
||||
|
||||
err_regulator:
|
||||
regulator_unregister(regulator->rdev);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int __devexit da9055_regulator_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct da9055_regulator *regulator = platform_get_drvdata(pdev);
|
||||
|
||||
regulator_unregister(regulator->rdev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_driver da9055_regulator_driver = {
|
||||
.probe = da9055_regulator_probe,
|
||||
.remove = __devexit_p(da9055_regulator_remove),
|
||||
.driver = {
|
||||
.name = "da9055-regulator",
|
||||
.owner = THIS_MODULE,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init da9055_regulator_init(void)
|
||||
{
|
||||
return platform_driver_register(&da9055_regulator_driver);
|
||||
}
|
||||
subsys_initcall(da9055_regulator_init);
|
||||
|
||||
static void __exit da9055_regulator_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&da9055_regulator_driver);
|
||||
}
|
||||
module_exit(da9055_regulator_exit);
|
||||
|
||||
MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
|
||||
MODULE_DESCRIPTION("Power Regulator driver for Dialog DA9055 PMIC");
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("platform:da9055-regulator");
|
||||
|
|
@ -25,8 +25,29 @@ struct da9055_pdata {
|
|||
int gpio_base;
|
||||
|
||||
struct regulator_init_data *regulators[DA9055_MAX_REGULATORS];
|
||||
bool reset_enable; /* Enable RTC in RESET Mode */
|
||||
enum gpio_select *gpio_rsel; /* Select regulator set thru GPIO 1/2 */
|
||||
enum gpio_select *gpio_ren; /* Enable regulator thru GPIO 1/2 */
|
||||
/* Enable RTC in RESET Mode */
|
||||
bool reset_enable;
|
||||
/*
|
||||
* GPI muxed pin to control
|
||||
* regulator state A/B, 0 if not available.
|
||||
*/
|
||||
int *gpio_ren;
|
||||
/*
|
||||
* GPI muxed pin to control
|
||||
* regulator set, 0 if not available.
|
||||
*/
|
||||
int *gpio_rsel;
|
||||
/*
|
||||
* Regulator mode control bits value (GPI offset) that
|
||||
* that controls the regulator state, 0 if not available.
|
||||
*/
|
||||
enum gpio_select *reg_ren;
|
||||
/*
|
||||
* Regulator mode control bits value (GPI offset) that
|
||||
* controls the regulator set A/B, 0 if not available.
|
||||
*/
|
||||
enum gpio_select *reg_rsel;
|
||||
/* GPIOs to enable regulator, 0 if not available */
|
||||
int *ena_gpio;
|
||||
};
|
||||
#endif /* __DA9055_PDATA_H */
|
||||
|
|
|
|||
Loading…
Reference in New Issue