Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751705AbbKQFSt (ORCPT ); Tue, 17 Nov 2015 00:18:49 -0500 Received: from mail1.bemta14.messagelabs.com ([193.109.254.114]:45227 "EHLO mail1.bemta14.messagelabs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751055AbbKQFSr (ORCPT ); Tue, 17 Nov 2015 00:18:47 -0500 X-Env-Sender: James.Ban.opensource@diasemi.com X-Msg-Ref: server-12.tower-194.messagelabs.com!1447737524!2349408!1 X-Originating-IP: [87.137.64.195] X-StarScan-Received: X-StarScan-Version: 7.19.2; banners=-,-,- X-VirusChecked: Checked Message-ID: <201511170518.tAH5Ic1j043774@krsrvapps-01.diasemi.com> From: James Ban Date: Tue, 17 Nov 2015 11:25:21 +0900 Subject: [PATCH V1] regulator: pv88060: new regulator driver To: LINUXKERNEL , Liam Girdwood , Mark Brown CC: David Dajun Chen , Support Opensource MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: 8d172408-bd6a-42b1-8e53-daaedf35a5af Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 23645 Lines: 826 From: James Ban This is the driver for the Powerventure PV88060 BUCKs and LDOs regulator. It communicates via an I2C bus to the device. Signed-off-by: James Ban --- This patch applies against linux-next and next-20151115 .../devicetree/bindings/regulator/pv88060.txt | 124 +++++ drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/pv88060-regulator.c | 517 ++++++++++++++++++++ drivers/regulator/pv88060-regulator.h | 69 +++ include/linux/regulator/pv88060.h | 28 ++ 6 files changed, 747 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/pv88060.txt create mode 100644 drivers/regulator/pv88060-regulator.c create mode 100644 drivers/regulator/pv88060-regulator.h create mode 100644 include/linux/regulator/pv88060.h diff --git a/Documentation/devicetree/bindings/regulator/pv88060.txt b/Documentation/devicetree/bindings/regulator/pv88060.txt new file mode 100644 index 0000000..10a6dad --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/pv88060.txt @@ -0,0 +1,124 @@ +* Powerventure Semiconductor PV88060 Voltage Regulator + +Required properties: +- compatible: "pvs,pv88060". +- reg: I2C slave address, usually 0x49. +- interrupts: the interrupt outputs of the controller +- regulators: A node that houses a sub-node for each regulator within the + device. Each sub-node is identified using the node's name, with valid + values listed below. The content of each sub-node is defined by the + standard binding for regulators; see regulator.txt. + BUCK1, LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7, SW1, SW2, SW3, SW4, + SW5, and SW6. + +Optional properties: +- Any optional property defined in regulator.txt + +Example + + pmic: pv88060@49 { + compatible = "pvs,pv88060"; + reg = <0x49>; + interrupt-parent = <&gpio>; + interrupts = <24 24>; + + regulators { + BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <4387500>; + regulator-min-microamp = <1496000>; + regulator-max-microamp = <4189000>; + regulator-boot-on; + }; + + LDO1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO4 { + regulator-name = "ldo4"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO5 { + regulator-name = "ldo5"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO6 { + regulator-name = "ldo6"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + LDO7 { + regulator-name = "ldo7"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <3350000>; + regulator-boot-on; + }; + + SW1 { + regulator-name = "sw1"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + SW2 { + regulator-name = "sw2"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + + SW3 { + regulator-name = "sw3"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + + SW4 { + regulator-name = "sw4"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + + SW5 { + regulator-name = "sw5"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + + SW6 { + regulator-name = "sw6"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + }; + }; \ No newline at end of file diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 8df0b0e..c61f72f 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -504,6 +504,14 @@ config REGULATOR_PFUZE100 Say y here to support the regulators found on the Freescale PFUZE100/PFUZE200 PMIC. +config REGULATOR_PV88060 + tristate "Powerventure Semiconductor PV88060 regulator" + depends on I2C + select REGMAP_I2C + help + Say y here to support the voltage regulators and convertors + PV88060 + config REGULATOR_PWM tristate "PWM voltage regulator" depends on PWM diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 0f81749..b11c8a4 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -66,6 +66,7 @@ obj-$(CONFIG_REGULATOR_QCOM_SMD_RPM) += qcom_smd-regulator.o obj-$(CONFIG_REGULATOR_QCOM_SPMI) += qcom_spmi-regulator.o obj-$(CONFIG_REGULATOR_PALMAS) += palmas-regulator.o obj-$(CONFIG_REGULATOR_PFUZE100) += pfuze100-regulator.o +obj-$(CONFIG_REGULATOR_PV88060) += pv88060-regulator.o obj-$(CONFIG_REGULATOR_PWM) += pwm-regulator.o obj-$(CONFIG_REGULATOR_TPS51632) += tps51632-regulator.o obj-$(CONFIG_REGULATOR_PBIAS) += pbias-regulator.o diff --git a/drivers/regulator/pv88060-regulator.c b/drivers/regulator/pv88060-regulator.c new file mode 100644 index 0000000..079194d --- /dev/null +++ b/drivers/regulator/pv88060-regulator.c @@ -0,0 +1,517 @@ +/* + * pv88060-regulator.c - Regulator device driver for PV88060 + * Copyright (C) 2015 Powerventure Semiconductor Ltd. + * + * 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. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "pv88060-regulator.h" + +/* PV88060 REGULATOR IDs */ +enum { + /* BUCKs */ + PV88060_ID_BUCK1, + + /* LDOs */ + PV88060_ID_LDO1, + PV88060_ID_LDO2, + PV88060_ID_LDO3, + PV88060_ID_LDO4, + PV88060_ID_LDO5, + PV88060_ID_LDO6, + PV88060_ID_LDO7, + + /* SWTs */ + PV88060_ID_SW1, + PV88060_ID_SW2, + PV88060_ID_SW3, + PV88060_ID_SW4, + PV88060_ID_SW5, + PV88060_ID_SW6, +}; + +struct pv88060_regulator { + struct regulator_desc desc; + /* Current limiting */ + unsigned n_current_limits; + const int *current_limits; + unsigned int limit_mask; + unsigned int conf; /* buck configuration register */ +}; + +struct pv88060 { + struct device *dev; + struct regmap *regmap; + struct pv88060_pdata *pdata; + struct regulator_dev *rdev[PV88060_MAX_REGULATORS]; +}; + +static const struct regmap_config pv88060_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + +/* Current limits array (in uA) for BUCK1 + * Entry indexes corresponds to register values. + */ + +static const int pv88060_buck1_limits[] = { + 1496000, 2393000, 3291000, 4189000 +}; + +static unsigned int pv88060_buck_get_mode(struct regulator_dev *rdev) +{ + struct pv88060_regulator *info = rdev_get_drvdata(rdev); + unsigned int data; + int ret, mode = 0; + + ret = regmap_read(rdev->regmap, info->conf, &data); + if (ret < 0) + return ret; + + switch (data & PV88060_BUCK_MODE_MASK) { + case PV88060_BUCK_MODE_SYNC: + mode = REGULATOR_MODE_FAST; + break; + case PV88060_BUCK_MODE_AUTO: + mode = REGULATOR_MODE_NORMAL; + break; + case PV88060_BUCK_MODE_SLEEP: + mode = REGULATOR_MODE_STANDBY; + break; + } + + return mode; +} + +static int pv88060_buck_set_mode(struct regulator_dev *rdev, + unsigned int mode) +{ + struct pv88060_regulator *info = rdev_get_drvdata(rdev); + int val = 0; + + switch (mode) { + case REGULATOR_MODE_FAST: + val = PV88060_BUCK_MODE_SYNC; + break; + case REGULATOR_MODE_NORMAL: + val = PV88060_BUCK_MODE_AUTO; + break; + case REGULATOR_MODE_STANDBY: + val = PV88060_BUCK_MODE_SLEEP; + break; + default: + return -EINVAL; + } + + return regmap_update_bits(rdev->regmap, info->conf, + PV88060_BUCK_MODE_MASK, val); +} + +static int pv88060_set_current_limit(struct regulator_dev *rdev, int min, + int max) +{ + struct pv88060_regulator *info = rdev_get_drvdata(rdev); + int i; + + /* search for closest to maximum */ + for (i = info->n_current_limits; i >= 0; i--) { + if (min <= info->current_limits[i] + && max >= info->current_limits[i]) { + return regmap_update_bits(rdev->regmap, + info->conf, + info->limit_mask, + i << PV88060_BUCK_ILIM_SHIFT); + } + } + + return -EINVAL; +} + +static int pv88060_get_current_limit(struct regulator_dev *rdev) +{ + struct pv88060_regulator *info = rdev_get_drvdata(rdev); + unsigned int data; + int ret; + + ret = regmap_read(rdev->regmap, info->conf, &data); + if (ret < 0) + return ret; + + data = (data & info->limit_mask) >> PV88060_BUCK_ILIM_SHIFT; + return info->current_limits[data]; +} + +static struct regulator_ops pv88060_buck_ops = { + .get_mode = pv88060_buck_get_mode, + .set_mode = pv88060_buck_set_mode, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear, + .set_current_limit = pv88060_set_current_limit, + .get_current_limit = pv88060_get_current_limit, +}; + +static struct regulator_ops pv88060_ldo_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .list_voltage = regulator_list_voltage_linear, +}; + +#define PV88060_BUCK(chip, regl_name, min, step, max, limits_array) \ +{\ + .desc.id = chip##_ID_##regl_name,\ + .desc.name = __stringify(chip##_##regl_name),\ + .desc.type = REGULATOR_VOLTAGE,\ + .desc.owner = THIS_MODULE,\ + .desc.ops = &pv88060_buck_ops,\ + .desc.min_uV = min, \ + .desc.uV_step = step, \ + .desc.n_voltages = ((max) - (min))/(step) + 1, \ + .desc.enable_reg = PV88060_REG_##regl_name##_CONF0, \ + .desc.enable_mask = PV88060_BUCK_EN, \ + .desc.vsel_reg = PV88060_REG_##regl_name##_CONF0, \ + .desc.vsel_mask = PV88060_VBUCK_MASK, \ + .current_limits = limits_array, \ + .n_current_limits = ARRAY_SIZE(limits_array), \ + .limit_mask = PV88060_BUCK_ILIM_MASK, \ + .conf = PV88060_REG_##regl_name##_CONF1, \ +} + +#define PV88060_LDO(chip, regl_name, min, step, max) \ +{\ + .desc.id = chip##_ID_##regl_name,\ + .desc.name = __stringify(chip##_##regl_name),\ + .desc.type = REGULATOR_VOLTAGE,\ + .desc.owner = THIS_MODULE,\ + .desc.ops = &pv88060_ldo_ops,\ + .desc.min_uV = min, \ + .desc.uV_step = step, \ + .desc.n_voltages = (step) ? ((max - min) / step + 1) : 1, \ + .desc.enable_reg = PV88060_REG_##regl_name##_CONF, \ + .desc.enable_mask = PV88060_LDO_EN, \ + .desc.vsel_reg = PV88060_REG_##regl_name##_CONF, \ + .desc.vsel_mask = PV88060_VLDO_MASK, \ +} + +#define PV88060_SW(chip, regl_name, max) \ +{\ + .desc.id = chip##_ID_##regl_name,\ + .desc.name = __stringify(chip##_##regl_name),\ + .desc.type = REGULATOR_VOLTAGE,\ + .desc.owner = THIS_MODULE,\ + .desc.ops = &pv88060_ldo_ops,\ + .desc.min_uV = max, \ + .desc.uV_step = 0, \ + .desc.n_voltages = 1, \ + .desc.enable_reg = PV88060_REG_##regl_name##_CONF, \ + .desc.enable_mask = PV88060_SW_EN, \ +} + +static const struct pv88060_regulator pv88060_regulator_info[] = { + PV88060_BUCK(PV88060, BUCK1, 2800000, 12500, 4387500, + pv88060_buck1_limits), + PV88060_LDO(PV88060, LDO1, 1200000, 50000, 3350000), + PV88060_LDO(PV88060, LDO2, 1200000, 50000, 3350000), + PV88060_LDO(PV88060, LDO3, 1200000, 50000, 3350000), + PV88060_LDO(PV88060, LDO4, 1200000, 50000, 3350000), + PV88060_LDO(PV88060, LDO5, 1200000, 50000, 3350000), + PV88060_LDO(PV88060, LDO6, 1200000, 50000, 3350000), + PV88060_LDO(PV88060, LDO7, 1200000, 50000, 3350000), + PV88060_SW(PV88060, SW1, 5000000), + PV88060_SW(PV88060, SW2, 5000000), + PV88060_SW(PV88060, SW3, 5000000), + PV88060_SW(PV88060, SW4, 5000000), + PV88060_SW(PV88060, SW5, 5000000), + PV88060_SW(PV88060, SW6, 5000000), +}; + +#ifdef CONFIG_OF +static struct of_regulator_match pv88060_matches[] = { + [PV88060_ID_BUCK1] = { .name = "BUCK1" }, + [PV88060_ID_LDO1] = { .name = "LDO1" }, + [PV88060_ID_LDO2] = { .name = "LDO2" }, + [PV88060_ID_LDO3] = { .name = "LDO3" }, + [PV88060_ID_LDO4] = { .name = "LDO4" }, + [PV88060_ID_LDO5] = { .name = "LDO5" }, + [PV88060_ID_LDO6] = { .name = "LDO6" }, + [PV88060_ID_LDO7] = { .name = "LDO7" }, + [PV88060_ID_SW1] = { .name = "SW1" }, + [PV88060_ID_SW2] = { .name = "SW2" }, + [PV88060_ID_SW3] = { .name = "SW3" }, + [PV88060_ID_SW4] = { .name = "SW4" }, + [PV88060_ID_SW5] = { .name = "SW5" }, + [PV88060_ID_SW6] = { .name = "SW6" }, +}; + +static struct pv88060_pdata *pv88060_parse_regulators_dt( + struct device *dev) +{ + struct pv88060_pdata *pdata; + struct device_node *node; + int i, num, n; + + node = of_get_child_by_name(dev->of_node, "regulators"); + if (!node) { + dev_err(dev, "regulators node not found\n"); + return ERR_PTR(-ENODEV); + } + + num = of_regulator_match(dev, node, pv88060_matches, + ARRAY_SIZE(pv88060_matches)); + of_node_put(node); + if (num < 0) { + dev_err(dev, "Failed to match regulators\n"); + return ERR_PTR(-EINVAL); + } + + pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return ERR_PTR(-ENOMEM); + + pdata->num_regulator = num; + + n = 0; + for (i = 0; i < ARRAY_SIZE(pv88060_matches); i++) { + if (!pv88060_matches[i].init_data) + continue; + + if (i == 0) { + pv88060_matches[i].init_data->constraints + .valid_modes_mask + |= REGULATOR_MODE_FAST + | REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY; + pv88060_matches[i].init_data->constraints.valid_ops_mask + |= REGULATOR_CHANGE_MODE; + } + + pdata->init_data[n] = pv88060_matches[i].init_data; + pdata->reg_node[n] = pv88060_matches[i].of_node; + n++; + } + + return pdata; +} +#else +static struct pv88060_pdata *pv88060_parse_regulators_dt( + struct device *dev) +{ + return ERR_PTR(-ENODEV); +} +#endif + +static irqreturn_t pv88060_irq_handler(int irq, void *data) +{ + struct pv88060 *chip = data; + int i, reg_val, err, ret = IRQ_NONE; + + err = regmap_read(chip->regmap, PV88060_REG_EVENT_A, ®_val); + if (err < 0) + goto error_i2c; + + if (reg_val & PV88060_E_VDD_FLT) { + for (i = 0; i < PV88060_MAX_REGULATORS; i++) { + if (chip->rdev[i] != NULL) { + regulator_notifier_call_chain(chip->rdev[i], + REGULATOR_EVENT_UNDER_VOLTAGE, + NULL); + } + } + + err = regmap_update_bits(chip->regmap, PV88060_REG_EVENT_A, + PV88060_E_VDD_FLT, PV88060_E_VDD_FLT); + if (err < 0) + goto error_i2c; + + ret = IRQ_HANDLED; + } + + if (reg_val & PV88060_E_OVER_TEMP) { + for (i = 0; i < PV88060_MAX_REGULATORS; i++) { + if (chip->rdev[i] != NULL) { + regulator_notifier_call_chain(chip->rdev[i], + REGULATOR_EVENT_OVER_TEMP, + NULL); + } + } + + err = regmap_update_bits(chip->regmap, PV88060_REG_EVENT_A, + PV88060_E_OVER_TEMP, PV88060_E_OVER_TEMP); + if (err < 0) + goto error_i2c; + + ret = IRQ_HANDLED; + } + + return ret; + +error_i2c: + dev_err(chip->dev, "I2C error : %d\n", err); + return IRQ_NONE; +} + +static int pv88060_regulator_init(struct pv88060 *chip) +{ + struct regulator_config config = { }; + int i; + + for (i = 0; i < chip->pdata->num_regulator; i++) { + config.init_data = chip->pdata->init_data[i]; + config.dev = chip->dev; + config.driver_data = (void *)&pv88060_regulator_info[i]; + config.regmap = chip->regmap; + config.of_node = chip->pdata->reg_node[i]; + chip->rdev[i] = regulator_register( + &pv88060_regulator_info[i].desc, &config); + if (IS_ERR(chip->rdev[i])) { + dev_err(chip->dev, + "Failed to register PV88060 regulator\n"); + return PTR_ERR(chip->rdev[i]); + } + } + + return 0; +} + +/* + * I2C driver interface functions + */ +static int pv88060_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct pv88060 *chip; + int error, ret; + + chip = devm_kzalloc(&i2c->dev, sizeof(struct pv88060), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + chip->dev = &i2c->dev; + chip->regmap = devm_regmap_init_i2c(i2c, &pv88060_regmap_config); + if (IS_ERR(chip->regmap)) { + error = PTR_ERR(chip->regmap); + dev_err(chip->dev, "Failed to allocate register map: %d\n", + error); + return error; + } + + i2c_set_clientdata(i2c, chip); + + chip->pdata = i2c->dev.platform_data; + + if (!chip->pdata) + chip->pdata = pv88060_parse_regulators_dt(chip->dev); + + if (IS_ERR(chip->pdata)) { + dev_err(chip->dev, "No regulators defined for the platform\n"); + return PTR_ERR(chip->pdata); + } + + if (i2c->irq != 0) { + ret = regmap_write(chip->regmap, PV88060_REG_MASK_A, 0xFF); + if (ret < 0) { + dev_err(chip->dev, + "Failed to mask A reg: %d\n", ret); + return ret; + } + regmap_write(chip->regmap, PV88060_REG_MASK_B, 0xFF); + if (ret < 0) { + dev_err(chip->dev, + "Failed to mask B reg: %d\n", ret); + return ret; + } + regmap_write(chip->regmap, PV88060_REG_MASK_C, 0xFF); + if (ret < 0) { + dev_err(chip->dev, + "Failed to mask C reg: %d\n", ret); + return ret; + } + + ret = request_threaded_irq(i2c->irq, NULL, + pv88060_irq_handler, + IRQF_TRIGGER_LOW|IRQF_ONESHOT, + "pv88060", chip); + if (ret != 0) { + dev_err(chip->dev, "Failed to request IRQ: %d\n", + i2c->irq); + return ret; + } + + ret = regmap_update_bits(chip->regmap, PV88060_REG_MASK_A, + PV88060_M_VDD_FLT | PV88060_M_OVER_TEMP, 0); + if (ret < 0) { + dev_err(chip->dev, + "Failed to update mask reg: %d\n", ret); + return ret; + } + + } else { + dev_warn(chip->dev, "No IRQ configured\n"); + } + + ret = pv88060_regulator_init(chip); + + if (ret < 0) + dev_err(chip->dev, "Failed to initialize regulator: %d\n", ret); + + return ret; +} + +static const struct i2c_device_id pv88060_i2c_id[] = { + {"pv88060", 0}, + {}, +}; +MODULE_DEVICE_TABLE(i2c, pv88060_i2c_id); + +#ifdef CONFIG_OF +static const struct of_device_id pv88060_dt_ids[] = { + { .compatible = "pvs,pv88060", .data = &pv88060_i2c_id[0] }, + {}, +}; +MODULE_DEVICE_TABLE(of, pv88060_dt_ids); +#endif + +static struct i2c_driver pv88060_regulator_driver = { + .driver = { + .name = "pv88060", + .of_match_table = of_match_ptr(pv88060_dt_ids), + }, + .probe = pv88060_i2c_probe, + .id_table = pv88060_i2c_id, +}; + +module_i2c_driver(pv88060_regulator_driver); + +MODULE_AUTHOR("James Ban "); +MODULE_DESCRIPTION("Regulator device driver for Powerventure PV88060"); +MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/pv88060-regulator.h b/drivers/regulator/pv88060-regulator.h new file mode 100644 index 0000000..2f756e8 --- /dev/null +++ b/drivers/regulator/pv88060-regulator.h @@ -0,0 +1,69 @@ +/* + * pv88060-regulator.h - Regulator definitions for PV88060 + * Copyright (C) 2015 Powerventure Semiconductor Ltd. + * + * 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. + */ + +#ifndef __PV88060_REGISTERS_H__ +#define __PV88060_REGISTERS_H__ + +/* System Control and Event Registers */ +#define PV88060_REG_EVENT_A 0x04 +#define PV88060_REG_MASK_A 0x08 +#define PV88060_REG_MASK_B 0x09 +#define PV88060_REG_MASK_C 0x0A + +/* Regulator Registers */ +#define PV88060_REG_BUCK1_CONF0 0x1B +#define PV88060_REG_BUCK1_CONF1 0x1C +#define PV88060_REG_LDO1_CONF 0x1D +#define PV88060_REG_LDO2_CONF 0x1E +#define PV88060_REG_LDO3_CONF 0x1F +#define PV88060_REG_LDO4_CONF 0x20 +#define PV88060_REG_LDO5_CONF 0x21 +#define PV88060_REG_LDO6_CONF 0x22 +#define PV88060_REG_LDO7_CONF 0x23 + +#define PV88060_REG_SW1_CONF 0x3B +#define PV88060_REG_SW2_CONF 0x3C +#define PV88060_REG_SW3_CONF 0x3D +#define PV88060_REG_SW4_CONF 0x3E +#define PV88060_REG_SW5_CONF 0x3F +#define PV88060_REG_SW6_CONF 0x40 + +/* PV88060_REG_EVENT_A (addr=0x04) */ +#define PV88060_E_VDD_FLT 0x01 +#define PV88060_E_OVER_TEMP 0x02 + +/* PV88060_REG_MASK_A (addr=0x08) */ +#define PV88060_M_VDD_FLT 0x01 +#define PV88060_M_OVER_TEMP 0x02 + +/* PV88060_REG_BUCK1_CONF0 (addr=0x1B) */ +#define PV88060_BUCK_EN 0x80 +#define PV88060_VBUCK_MASK 0x7F +/* PV88060_REG_LDO1/2/3/4/5/6/7_CONT */ +#define PV88060_LDO_EN 0x40 +#define PV88060_VLDO_MASK 0x3F +/* PV88060_REG_SW1/2/3/4/5_CONF */ +#define PV88060_SW_EN 0x80 + +/* PV88060_REG_BUCK1_CONF1 (addr=0x1C) */ +#define PV88060_BUCK_ILIM_SHIFT 2 +#define PV88060_BUCK_ILIM_MASK 0x0C +#define PV88060_BUCK_MODE_SHIFT 0 +#define PV88060_BUCK_MODE_MASK 0x03 +#define PV88060_BUCK_MODE_SLEEP 0x00 +#define PV88060_BUCK_MODE_SYNC 0x02 +#define PV88060_BUCK_MODE_AUTO 0x01 + +#endif /* __PV88060_REGISTERS_H__ */ diff --git a/include/linux/regulator/pv88060.h b/include/linux/regulator/pv88060.h new file mode 100644 index 0000000..4a289a8 --- /dev/null +++ b/include/linux/regulator/pv88060.h @@ -0,0 +1,28 @@ +/* + * pv88060.h - Regulator device driver for PV88060 + * Copyright (C) 2015 Powerventure Semiconductor Ltd. + * + * 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. + */ + +#ifndef __LINUX_REGULATOR_PV88060_H +#define __LINUX_REGULATOR_PV88060_H + +#include + +#define PV88060_MAX_REGULATORS 14 + +struct pv88060_pdata { + int num_regulator; + struct device_node *reg_node[PV88060_MAX_REGULATORS]; + struct regulator_init_data *init_data[PV88060_MAX_REGULATORS]; +}; +#endif -- end-of-patch for PATCH V1 -- 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/