Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754560Ab1DTB1l (ORCPT ); Tue, 19 Apr 2011 21:27:41 -0400 Received: from slimlogic.co.uk ([89.16.172.20]:40264 "EHLO slimlogic.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754705Ab1DTB1j convert rfc822-to-8bit (ORCPT ); Tue, 19 Apr 2011 21:27:39 -0400 From: Jorge Eduardo Candelaria Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT Subject: [PATCHv3 4/4] TPS65910: Add tps65910 regulator driver Date: Tue, 19 Apr 2011 20:27:35 -0500 Message-Id: Cc: broonie@opensource.wolfsonmicro.com, lrg@ti.com, sameo@linux.intel.com, Graeme Gregory To: linux-kernel@vger.kernel.org Mime-Version: 1.0 (Apple Message framework v1084) X-Mailer: Apple Mail (2.1084) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 20720 Lines: 824 From: Graeme Gregory The regulator module consists of 3 DCDCs and 8 LDOs. The output voltages are configurable and are meant to supply power to the main processor and other components Signed-off-by: Graeme Gregory Signed-off-by: Jorge Eduardo Candelaria --- drivers/regulator/Kconfig | 6 + drivers/regulator/Makefile | 1 + drivers/regulator/tps65910-regulator.c | 736 ++++++++++++++++++++++++++++++++ include/linux/mfd/tps65910.h | 14 + 4 files changed, 757 insertions(+), 0 deletions(-) create mode 100644 drivers/regulator/tps65910-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index b9f29e0..fa61fe2 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -290,5 +290,11 @@ config REGULATOR_TPS6524X serial interface currently supported on the sequencer serial port controller. +config REGULATOR_TPS65910 + tristate "TI TPS65910 Power Regulator" + depends on MFD_TPS65910 + help + This driver supports TPS65910 voltage regulator chips. + endif diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index d72a427..8cb6d0d 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -41,5 +41,6 @@ obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o +obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c new file mode 100644 index 0000000..cb34372 --- /dev/null +++ b/drivers/regulator/tps65910-regulator.c @@ -0,0 +1,736 @@ +/* + * tps65910.c -- TI tps65910 + * + * Copyright 2010 Texas Instruments Inc. + * + * Author: Graeme Gregory + * Author: Jorge Eduardo Candelaria + * + * 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. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define TPS65910_REG_VRTC 0 +#define TPS65910_REG_VIO 1 +#define TPS65910_REG_VDD1 2 +#define TPS65910_REG_VDD2 3 +#define TPS65910_REG_VDD3 4 +#define TPS65910_REG_VDIG1 5 +#define TPS65910_REG_VDIG2 6 +#define TPS65910_REG_VPLL 7 +#define TPS65910_REG_VDAC 8 +#define TPS65910_REG_VAUX1 9 +#define TPS65910_REG_VAUX2 10 +#define TPS65910_REG_VAUX33 11 +#define TPS65910_REG_VMMC 12 + +#define TPS65910_NUM_REGULATOR 13 + +#define TPS65910_SUPPLY_STATE_ENABLED 0x1 + +/* supported VIO voltages in milivolts */ +static const u16 VIO_VSEL_table[] = { + 1500, 1800, 2500, 3300, +}; + +/* supported VIO voltages in milivolts */ +static const u16 VDD3_VSEL_table[] = { + 5000, +}; + +/* supported VDIG1 voltages in milivolts */ +static const u16 VDIG1_VSEL_table[] = { + 1200, 1500, 1800, 2700, +}; + +/* supported VDIG2 voltages in milivolts */ +static const u16 VDIG2_VSEL_table[] = { + 1000, 1100, 1200, 1800, +}; + +/* supported VPLL voltages in milivolts */ +static const u16 VPLL_VSEL_table[] = { + 1000, 1100, 1800, 2500, +}; + +/* supported VDAC voltages in milivolts */ +static const u16 VDAC_VSEL_table[] = { + 1800, 2600, 2800, 2850, +}; + +/* supported VAUX1 voltages in milivolts */ +static const u16 VAUX1_VSEL_table[] = { + 1800, 2500, 2800, 2850, +}; + +/* supported VAUX2 voltages in milivolts */ +static const u16 VAUX2_VSEL_table[] = { + 1800, 2800, 2900, 3300, +}; + +/* supported VAUX33 voltages in milivolts */ +static const u16 VAUX33_VSEL_table[] = { + 1800, 2000, 2800, 3300, +}; + +/* supported VMMC voltages in milivolts */ +static const u16 VMMC_VSEL_table[] = { + 1800, 2800, 3000, 3300, +}; + +struct tps_info { + const char *name; + unsigned min_uV; + unsigned max_uV; + u8 table_len; + const u16 *table; +}; + +static struct tps_info tps65910_regs[] = { + { + .name = "VRTC", + }, + { + .name = "VIO", + .min_uV = 1500000, + .max_uV = 3300000, + .table_len = ARRAY_SIZE(VIO_VSEL_table), + .table = VIO_VSEL_table, + }, + { + .name = "VDD1", + .min_uV = 600000, + .max_uV = 4500000, + }, + { + .name = "VDD2", + .min_uV = 600000, + .max_uV = 4500000, + }, + { + .name = "VDD3", + .min_uV = 5000000, + .max_uV = 5000000, + .table_len = ARRAY_SIZE(VDD3_VSEL_table), + .table = VDD3_VSEL_table, + }, + { + .name = "VDIG1", + .min_uV = 1200000, + .max_uV = 2700000, + .table_len = ARRAY_SIZE(VDIG1_VSEL_table), + .table = VDIG1_VSEL_table, + }, + { + .name = "VDIG2", + .min_uV = 1000000, + .max_uV = 1800000, + .table_len = ARRAY_SIZE(VDIG2_VSEL_table), + .table = VDIG2_VSEL_table, + }, + { + .name = "VPLL", + .min_uV = 1000000, + .max_uV = 2500000, + .table_len = ARRAY_SIZE(VPLL_VSEL_table), + .table = VPLL_VSEL_table, + }, + { + .name = "VDAC", + .min_uV = 1800000, + .max_uV = 2850000, + .table_len = ARRAY_SIZE(VDAC_VSEL_table), + .table = VDAC_VSEL_table, + }, + { + .name = "VAUX1", + .min_uV = 1800000, + .max_uV = 2850000, + .table_len = ARRAY_SIZE(VAUX1_VSEL_table), + .table = VAUX1_VSEL_table, + }, + { + .name = "VAUX2", + .min_uV = 1800000, + .max_uV = 3300000, + .table_len = ARRAY_SIZE(VAUX2_VSEL_table), + .table = VAUX2_VSEL_table, + }, + { + .name = "VAUX33", + .min_uV = 1800000, + .max_uV = 3300000, + .table_len = ARRAY_SIZE(VAUX33_VSEL_table), + .table = VAUX33_VSEL_table, + }, + { + .name = "VMMC", + .min_uV = 1800000, + .max_uV = 3300000, + .table_len = ARRAY_SIZE(VMMC_VSEL_table), + .table = VMMC_VSEL_table, + }, +}; + +struct tps65910_reg { + struct regulator_desc desc[TPS65910_NUM_REGULATOR]; + struct tps65910 *mfd; + struct regulator_dev *rdev[TPS65910_NUM_REGULATOR]; + struct tps_info *info[TPS65910_NUM_REGULATOR]; + struct mutex mutex; + int mode; +}; + +static inline int tps65910_read(struct tps65910_reg *pmic, u8 reg) +{ + u8 val; + int err; + + err = pmic->mfd->read(pmic->mfd, reg, 1, &val); + if (err) + return err; + + return val; +} + +static inline int tps65910_write(struct tps65910_reg *pmic, u8 reg, u8 val) +{ + return pmic->mfd->write(pmic->mfd, reg, 1, &val); +} + +static int tps65910_set_bits(struct tps65910_reg *pmic, u8 reg, u8 mask) +{ + int err, data; + + mutex_lock(&pmic->mutex); + + data = tps65910_read(pmic, reg); + if (data < 0) { + dev_err(pmic->mfd->dev, "Read from reg 0x%x failed\n", reg); + err = data; + goto out; + } + + data |= mask; + err = tps65910_write(pmic, reg, data); + if (err) + dev_err(pmic->mfd->dev, "Write for reg 0x%x failed\n", reg); + +out: + mutex_unlock(&pmic->mutex); + return err; +} + +static int tps65910_clear_bits(struct tps65910_reg *pmic, u8 reg, u8 mask) +{ + int err, data; + + mutex_lock(&pmic->mutex); + + data = tps65910_read(pmic, reg); + if (data < 0) { + dev_err(pmic->mfd->dev, "Read from reg 0x%x failed\n", reg); + err = data; + goto out; + } + + data &= ~mask; + err = tps65910_write(pmic, reg, data); + if (err) + dev_err(pmic->mfd->dev, "Write for reg 0x%x failed\n", reg); + +out: + mutex_unlock(&pmic->mutex); + return err; +} + +static int tps65910_reg_read(struct tps65910_reg *pmic, u8 reg) +{ + int data; + + mutex_lock(&pmic->mutex); + + data = tps65910_read(pmic, reg); + if (data < 0) + dev_err(pmic->mfd->dev, "Read from reg 0x%x failed\n", reg); + + mutex_unlock(&pmic->mutex); + return data; +} + +static int tps65910_reg_write(struct tps65910_reg *pmic, u8 reg, u8 val) +{ + int err; + + mutex_lock(&pmic->mutex); + + err = tps65910_write(pmic, reg, val); + if (err < 0) + dev_err(pmic->mfd->dev, "Write for reg 0x%x failed\n", reg); + + mutex_unlock(&pmic->mutex); + return err; +} + +static int tps65910_get_ctrl_register(int id) +{ + switch (id) { + case TPS65910_REG_VRTC: + return TPS65910_VRTC; + case TPS65910_REG_VIO: + return TPS65910_VIO; + case TPS65910_REG_VDD1: + return TPS65910_VDD1; + case TPS65910_REG_VDD2: + return TPS65910_VDD2; + case TPS65910_REG_VDD3: + return TPS65910_VDD3; + case TPS65910_REG_VDIG1: + return TPS65910_VDIG1; + case TPS65910_REG_VDIG2: + return TPS65910_VDIG2; + case TPS65910_REG_VPLL: + return TPS65910_VPLL; + case TPS65910_REG_VDAC: + return TPS65910_VDAC; + case TPS65910_REG_VAUX1: + return TPS65910_VAUX1; + case TPS65910_REG_VAUX2: + return TPS65910_VAUX2; + case TPS65910_REG_VAUX33: + return TPS65910_VAUX33; + case TPS65910_REG_VMMC: + return TPS65910_VMMC; + default: + return -EINVAL; + } +} + +static int tps65910_is_enabled(struct regulator_dev *dev) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int reg, value, id = rdev_get_id(dev); + + reg = tps65910_get_ctrl_register(id); + if (reg < 0) + return reg; + + value = tps65910_reg_read(pmic, reg); + if (value < 0) + return value; + + return value & TPS65910_SUPPLY_STATE_ENABLED; +} + +static int tps65910_enable(struct regulator_dev *dev) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int reg, id = rdev_get_id(dev); + + reg = tps65910_get_ctrl_register(id); + if (reg < 0) + return reg; + + return tps65910_set_bits(pmic, reg, TPS65910_SUPPLY_STATE_ENABLED); +} + +static int tps65910_disable(struct regulator_dev *dev) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int reg, id = rdev_get_id(dev); + + reg = tps65910_get_ctrl_register(id); + if (reg < 0) + return reg; + + return tps65910_clear_bits(pmic, reg, TPS65910_SUPPLY_STATE_ENABLED); +} + + +static int tps65910_set_mode(struct regulator_dev *dev, unsigned int mode) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int reg, value, id = rdev_get_id(dev); + reg = tps65910_get_ctrl_register(id); + if (reg < 0) + return reg; + + switch (mode) { + case REGULATOR_MODE_NORMAL: + value = LDO_ST_ON_BIT & ~LDO_ST_MODE_BIT; + return tps65910_set_bits(pmic, reg, value); + case REGULATOR_MODE_IDLE: + value = LDO_ST_ON_BIT | LDO_ST_MODE_BIT; + tps65910_set_bits(pmic, reg, value); + case REGULATOR_MODE_STANDBY: + tps65910_clear_bits(pmic, reg, LDO_ST_ON_BIT); + } + + return -EINVAL; +} + +static unsigned int tps65910_get_mode(struct regulator_dev *dev) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int reg, value, id = rdev_get_id(dev); + + reg = tps65910_get_ctrl_register(id); + if (reg < 0) + return reg; + + value = tps65910_reg_read(pmic, reg); + if (value < 0) + return value; + + if (value & LDO_ST_ON_BIT) + return REGULATOR_MODE_STANDBY; + else if (value & LDO_ST_MODE_BIT) + return REGULATOR_MODE_IDLE; + else + return REGULATOR_MODE_NORMAL; +} + +static int tps65910_get_voltage_dcdc(struct regulator_dev *dev) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int id = rdev_get_id(dev), voltage = 0; + int opvsel = 0, srvsel = 0, mult = 0, sr = 0; + + switch (id) { + case TPS65910_REG_VDD1: + opvsel = tps65910_reg_read(pmic, TPS65910_VDD1_OP); + mult = tps65910_reg_read(pmic, TPS65910_VDD1); + mult = (mult & VDD1_VGAIN_SEL_MASK) >> VDD1_VGAIN_SEL_SHIFT; + srvsel = tps65910_reg_read(pmic, TPS65910_VDD1_SR); + sr = opvsel & VDD1_OP_CMD_MASK; + opvsel &= VDD1_OP_SEL_MASK; + srvsel &= VDD1_SR_SEL_MASK; + break; + case TPS65910_REG_VDD2: + opvsel = tps65910_reg_read(pmic, TPS65910_VDD2_OP); + mult = tps65910_reg_read(pmic, TPS65910_VDD2); + mult = (mult & VDD2_VGAIN_SEL_MASK) >> VDD2_VGAIN_SEL_SHIFT; + srvsel = tps65910_reg_read(pmic, TPS65910_VDD2_SR); + sr = opvsel & VDD2_OP_CMD_MASK; + opvsel &= VDD2_OP_SEL_MASK; + srvsel &= VDD2_SR_SEL_MASK; + break; + } + + /* multiplier 0 == 1 but 2,3 normal */ + if (!mult) + mult=1; + + if (sr) { + /* Valid range is 3-75 so normalise */ + if (srvsel < 3) srvsel = 3; + if (srvsel > 75) srvsel = 75; + srvsel -= 3; + + //voltage = pmic->info[id]->table[srvsel] * 100; + voltage = (srvsel * 125 + 6000) * 100; + } else { + + /* Valid range is 3-75 so normalise */ + if (opvsel < 3) opvsel = 3; + if (opvsel > 75) opvsel = 75; + opvsel -= 3; + + //voltage = pmic->info[id]->table[opvsel] * 100; + voltage = (opvsel * 125 + 6000) * 100; + } + + voltage *= mult; + + return voltage; +} + +static int tps65910_get_voltage(struct regulator_dev *dev) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int reg, value, id = rdev_get_id(dev), voltage = 0; + + reg = tps65910_get_ctrl_register(id); + if (reg < 0) + return reg; + + value = tps65910_reg_read(pmic, reg); + if (value < 0) + return value; + + switch (id) { + case TPS65910_REG_VIO: + case TPS65910_REG_VDIG1: + case TPS65910_REG_VDIG2: + case TPS65910_REG_VPLL: + case TPS65910_REG_VDAC: + case TPS65910_REG_VAUX1: + case TPS65910_REG_VAUX2: + case TPS65910_REG_VAUX33: + case TPS65910_REG_VMMC: + value &= LDO_SEL_MASK; + value >>= LDO_SEL_SHIFT; + break; + default: + return -EINVAL; + } + + voltage = pmic->info[id]->table[value] * 1000; + + return voltage; +} + +static int tps65910_get_voltage_vdd3(struct regulator_dev *dev) +{ + return 5 * 1000 * 1000; +} + +static int tps65910_set_voltage_dcdc(struct regulator_dev *dev, + unsigned selector) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int reg, id = rdev_get_id(dev), vsel; + int dcdc_mult; + + /* Split vsel into appropriate registers */ + dcdc_mult = (selector / VDD1_2_NUM_VOLTS) + 1; + if (dcdc_mult == 1) dcdc_mult--; + + vsel = (selector % VDD1_2_NUM_VOLTS) + 3; + + if (id == TPS65910_REG_VDD1) { + reg = tps65910_reg_read(pmic, TPS65910_VDD1); + reg &= ~VDD1_VGAIN_SEL_MASK; + reg |= (dcdc_mult << VDD1_VGAIN_SEL_SHIFT); + tps65910_reg_write(pmic, TPS65910_VDD1, reg); + tps65910_reg_write(pmic, TPS65910_VDD1_OP, vsel); + } else { + reg = tps65910_reg_read(pmic, TPS65910_VDD2); + reg &= ~VDD2_VGAIN_SEL_MASK; + reg |= dcdc_mult << VDD2_VGAIN_SEL_SHIFT; + tps65910_reg_write(pmic, TPS65910_VDD2, reg); + tps65910_reg_write(pmic, TPS65910_VDD2_OP, vsel); + } + + return 0; +} + +static int tps65910_set_voltage(struct regulator_dev *dev, unsigned selector) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int reg, value, id = rdev_get_id(dev); + + reg = tps65910_get_ctrl_register(id); + if (reg < 0) + return reg; + + value = tps65910_reg_read(pmic, reg); + if (value < 0) + return value; + + switch (id) { + case TPS65910_REG_VIO: + case TPS65910_REG_VDIG1: + case TPS65910_REG_VDIG2: + case TPS65910_REG_VPLL: + case TPS65910_REG_VDAC: + case TPS65910_REG_VAUX1: + case TPS65910_REG_VAUX2: + case TPS65910_REG_VAUX33: + case TPS65910_REG_VMMC: + value &= ~(LDO_SEL_MASK); + value |= (selector << LDO_SEL_SHIFT); + break; + default: + return -EINVAL; + } + + return tps65910_reg_write(pmic, reg, value); +} + +static int tps65910_list_voltage_dcdc(struct regulator_dev *dev, + unsigned selector) +{ + int mult, volt; + + mult = (selector / VDD1_2_NUM_VOLTS) + 1; + + volt = VDD1_2_MIN_VOLT + ((selector % VDD1_2_NUM_VOLTS) * VDD1_2_OFFSET); + + return volt * 100 * mult; +} + +static int tps65910_list_voltage(struct regulator_dev *dev, + unsigned selector) +{ + struct tps65910_reg *pmic = rdev_get_drvdata(dev); + int id = rdev_get_id(dev), voltage; + + if (id < TPS65910_REG_VIO || id > TPS65910_REG_VMMC) + return -EINVAL; + + if (selector >= pmic->info[id]->table_len) + return -EINVAL; + else + voltage = pmic->info[id]->table[selector] * 1000; + + return voltage; +} + +/* Regulator ops (except VRTC) */ +static struct regulator_ops tps65910_ops_dcdc = { + .is_enabled = tps65910_is_enabled, + .enable = tps65910_enable, + .disable = tps65910_disable, + .set_mode = tps65910_set_mode, + .get_mode = tps65910_get_mode, + .get_voltage = tps65910_get_voltage_dcdc, + .set_voltage_sel = tps65910_set_voltage_dcdc, + .list_voltage = tps65910_list_voltage_dcdc, +}; + +static struct regulator_ops tps65910_ops_vdd3 = { + .is_enabled = tps65910_is_enabled, + .enable = tps65910_enable, + .disable = tps65910_disable, + .set_mode = tps65910_set_mode, + .get_mode = tps65910_get_mode, + .get_voltage = tps65910_get_voltage_vdd3, + .list_voltage = tps65910_list_voltage, +}; + +static struct regulator_ops tps65910_ops = { + .is_enabled = tps65910_is_enabled, + .enable = tps65910_enable, + .disable = tps65910_disable, + .set_mode = tps65910_set_mode, + .get_mode = tps65910_get_mode, + .get_voltage = tps65910_get_voltage, + .set_voltage_sel = tps65910_set_voltage, + .list_voltage = tps65910_list_voltage, +}; + +static __devinit int tps65910_probe(struct platform_device *pdev) +{ + struct tps65910 *tps65910 = dev_get_drvdata(pdev->dev.parent); + struct tps_info *info = tps65910_regs; + struct regulator_init_data *reg_data; + struct regulator_dev *rdev; + struct tps65910_reg *pmic; + struct tps65910_board *pmic_plat_data; + static int desc_id; + int i, err; + u8 reg; + + pmic_plat_data = dev_get_platdata(tps65910->dev); + if (!pmic_plat_data) + return -EINVAL; + + reg_data = pmic_plat_data->tps65910_pmic_init_data; + + pmic = kzalloc(sizeof(*pmic), GFP_KERNEL); + if (!pmic) + return -ENOMEM; + + mutex_init(&pmic->mutex); + pmic->mfd = tps65910; + platform_set_drvdata(pdev, pmic); + + /* Give control of all register to control port */ + reg = tps65910_reg_read(pmic, TPS65910_DEVCTRL); + reg |= DEVCTRL_SR_CTL_I2C_SEL_MASK; + tps65910_reg_write(pmic, TPS65910_DEVCTRL, reg); + + for (i = 0; i < TPS65910_NUM_REGULATOR; i++, info++, reg_data++) { + /* Register the regulators */ + pmic->info[i] = info; + + pmic->desc[i].name = info->name; + pmic->desc[i].id = desc_id++; + pmic->desc[i].n_voltages = info->table_len; + + if ((i == TPS65910_REG_VDD1) || (i == TPS65910_REG_VDD2)) + pmic->desc[i].ops = &tps65910_ops_dcdc; + else if (i == TPS65910_REG_VDD3) + pmic->desc[i].ops = &tps65910_ops_vdd3; + else + pmic->desc[i].ops = &tps65910_ops; + + pmic->desc[i].type = REGULATOR_VOLTAGE; + pmic->desc[i].owner = THIS_MODULE; + + rdev = regulator_register(&pmic->desc[i], + tps65910->dev, reg_data, pmic); + if (IS_ERR(rdev)) { + dev_err(tps65910->dev, + "failed to register %s regulator\n", + pdev->name); + err = PTR_ERR(rdev); + goto err; + } + + /* Save regulator for cleanup */ + pmic->rdev[i] = rdev; + } + return 0; + +err: + while (--i >= 0) + regulator_unregister(pmic->rdev[i]); + + kfree(pmic); + return err; +} + +static int __devexit tps65910_remove(struct platform_device *pdev) +{ + struct tps65910_reg *tps65910_reg = platform_get_drvdata(pdev); + int i; + + for (i = 0; i < TPS65910_NUM_REGULATOR; i++) + regulator_unregister(tps65910_reg->rdev[i]); + + kfree(tps65910_reg); + return 0; +} + +static struct platform_driver tps65910_driver = { + .driver = { + .name = "tps65910-pmic", + .owner = THIS_MODULE, + }, + .probe = tps65910_probe, + .remove = __devexit_p(tps65910_remove), +}; + +static int __init tps65910_init(void) +{ + return platform_driver_register(&tps65910_driver); +} +subsys_initcall(tps65910_init); + +static void __exit tps65910_cleanup(void) +{ + platform_driver_unregister(&tps65910_driver); +} +module_exit(tps65910_cleanup); + +MODULE_AUTHOR("Graeme Gregory "); +MODULE_DESCRIPTION("TPS6507x voltage regulator driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:tps65910-pmic"); diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h index afc1896..fcff625 100644 --- a/include/linux/mfd/tps65910.h +++ b/include/linux/mfd/tps65910.h @@ -215,12 +215,26 @@ #define VDD2_SR_SEL_SHIFT 0 +/*Registers VDD1, VDD2 voltage values definitions */ +#define VDD1_2_NUM_VOLTS 73 +#define VDD1_2_MIN_VOLT 60000 +#define VDD1_2_OFFSET 125 + + /*Register VDD3 (0x80) register.RegisterDescription */ #define VDD3_CKINEN_MASK 0x04 #define VDD3_CKINEN_SHIFT 2 #define VDD3_ST_MASK 0x03 #define VDD3_ST_SHIFT 0 +/*Registers VDIG (0x80) to VDAC register.RegisterDescription */ +#define LDO_SEL_MASK 0x0C +#define LDO_SEL_SHIFT 2 +#define LDO_ST_MASK 0x03 +#define LDO_ST_SHIFT 0 +#define LDO_ST_ON_BIT 0x01 +#define LDO_ST_MODE_BIT 0x02 + /*Register VDIG1 (0x80) register.RegisterDescription */ #define VDIG1_SEL_MASK 0x0C -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/