From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755025Ab3GYIG3 (ORCPT ); Thu, 25 Jul 2013 04:06:29 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:47479 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751745Ab3GYIG0 (ORCPT ); Thu, 25 Jul 2013 04:06:26 -0400 Date: Thu, 25 Jul 2013 10:06:07 +0200 From: Steffen Trumtrar To: Robin Gong Cc: broonie@kernel.org, shawn.guo@linaro.org, grant.likely@linaro.org, rob.herring@calxeda.com, rob@landley.net, lgirdwood@gmail.com, devicetree-discuss@lists.ozlabs.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5] regulator: pfuze100: add pfuze100 regulator driver Message-ID: <20130725080607.GG4332@pengutronix.de> References: <1374723198-9716-1-git-send-email-b38343@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1374723198-9716-1-git-send-email-b38343@freescale.com> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 10:04:53 up 41 days, 20:15, 19 users, load average: 0.00, 0.02, 0.05 User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: 2001:6f8:1178:2:5054:ff:fec0:8e10 X-SA-Exim-Mail-From: str@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 25, 2013 at 11:33:18AM +0800, Robin Gong wrote: > Add pfuze100 regulator driver. > > Signed-off-by: Robin Gong > --- > .../devicetree/bindings/regulator/pfuze100.txt | 113 +++++ > drivers/regulator/Kconfig | 7 + > drivers/regulator/Makefile | 1 + > drivers/regulator/pfuze100-regulator.c | 454 ++++++++++++++++++++ > include/linux/regulator/pfuze100.h | 44 ++ > 5 files changed, 619 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/regulator/pfuze100.txt > create mode 100644 drivers/regulator/pfuze100-regulator.c > create mode 100644 include/linux/regulator/pfuze100.h > > diff --git a/Documentation/devicetree/bindings/regulator/pfuze100.txt b/Documentation/devicetree/bindings/regulator/pfuze100.txt > new file mode 100644 > index 0000000..22e1a48 > --- /dev/null > +++ b/Documentation/devicetree/bindings/regulator/pfuze100.txt > @@ -0,0 +1,113 @@ > +PFUZE100 family of regulators > + > +Required properties: > +- compatible: "fsl,pfuze100" > +- reg: I2C slave address > +- regulators: This is the list of child nodes that specify the regulator > + initialization data for defined regulators. Please refer to below doc > + Documentation/devicetree/bindings/regulator/regulator.txt. > + > + The valid names for regulators are: > + sw1ab,sw1c,sw2,sw3a,sw3b,sw4,swbst,vsnvs,vrefddr,vgen1~vgen6 > + > +Each regulator is defined using the standard binding for regulators. > + > +Example: > + > + pmic: pfuze100@08 { > + compatible = "fsl,pfuze100"; > + reg = <0x08>; > + > + regulators { > + sw1a_reg: sw1ab { > + regulator-min-microvolt = <300000>; > + regulator-max-microvolt = <1875000>; > + regulator-boot-on; > + regulator-always-on; > + regulator-ramp-delay = <6250>; > + }; > + > + sw1c_reg: sw1c { > + regulator-min-microvolt = <300000>; > + regulator-max-microvolt = <1875000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw2_reg: sw2 { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw3a_reg: sw3a { > + regulator-min-microvolt = <400000>; > + regulator-max-microvolt = <1975000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw3b_reg: sw3b { > + regulator-min-microvolt = <400000>; > + regulator-max-microvolt = <1975000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw4_reg: sw4 { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <3300000>; > + }; > + > + swbst_reg: swbst { > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5150000>; > + }; > + > + snvs_reg: vsnvs { > + regulator-min-microvolt = <1000000>; > + regulator-max-microvolt = <3000000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + vref_reg: vrefddr { > + regulator-boot-on; > + regulator-always-on; > + }; > + > + vgen1_reg: vgen1 { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <1550000>; > + }; > + > + vgen2_reg: vgen2 { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <1550000>; > + }; > + > + vgen3_reg: vgen3 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + }; > + > + vgen4_reg: vgen4 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; > + > + vgen5_reg: vgen5 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; > + > + vgen6_reg: vgen6 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; > + }; > + }; > diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig > index f1e6ad9..f913172 100644 > --- a/drivers/regulator/Kconfig > +++ b/drivers/regulator/Kconfig > @@ -158,6 +158,13 @@ config REGULATOR_MC13892 > Say y here to support the regulators found on the Freescale MC13892 > PMIC. > > +config REGULATOR_PFUZE100 > + tristate "Support regulators on Freescale PFUZE100 PMIC" > + depends on I2C > + help > + Say y here to support the regulators found on the Freescale PFUZE100 > + PMIC. > + > config REGULATOR_ISL6271A > tristate "Intersil ISL6271A Power regulator" > depends on I2C > diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile > index ba4a3cf..ad62524 100644 > --- a/drivers/regulator/Makefile > +++ b/drivers/regulator/Makefile > @@ -45,6 +45,7 @@ obj-$(CONFIG_REGULATOR_MAX77693) += max77693.o > obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o > obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o > obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o > +obj-$(CONFIG_REGULATOR_PFUZE100) += pfuze100-regulator.o > obj-$(CONFIG_REGULATOR_PALMAS) += palmas-regulator.o > obj-$(CONFIG_REGULATOR_TPS51632) += tps51632-regulator.o > obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o > diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c > new file mode 100644 > index 0000000..fcc7cd0 > --- /dev/null > +++ b/drivers/regulator/pfuze100-regulator.c > @@ -0,0 +1,454 @@ > +/* > + * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. > + * > + * 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 > + */ > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +#define PFUZE_NUMREGS 128 > +#define PFUZE100_VOL_OFFSET 0 > +#define PFUZE100_STANDBY_OFFSET 1 > +#define PFUZE100_MODE_OFFSET 3 > +#define PFUZE100_CONF_OFFSET 4 > + > +#define PFUZE100_DEVICEID 0x0 > +#define PFUZE100_REVID 0x3 > +#define PFUZE100_FABID 0x3 > + > +#define PFUZE100_SW1ABVOL 0x20 > +#define PFUZE100_SW1CVOL 0x2e > +#define PFUZE100_SW2VOL 0x35 > +#define PFUZE100_SW3AVOL 0x3c > +#define PFUZE100_SW3BVOL 0x43 > +#define PFUZE100_SW4VOL 0x4a > +#define PFUZE100_SWBSTCON1 0x66 > +#define PFUZE100_VREFDDRCON 0x6a > +#define PFUZE100_VSNVSVOL 0x6b > +#define PFUZE100_VGEN1VOL 0x6c > +#define PFUZE100_VGEN2VOL 0x6d > +#define PFUZE100_VGEN3VOL 0x6e > +#define PFUZE100_VGEN4VOL 0x6f > +#define PFUZE100_VGEN5VOL 0x70 > +#define PFUZE100_VGEN6VOL 0x71 > + > +struct pfuze_regulator { > + struct regulator_desc desc; > + unsigned char stby_reg; > + unsigned char stby_mask; > +}; > + > +struct pfuze_chip { > + struct regmap *regmap; > + struct device *dev; > + struct pfuze_regulator regulator_descs[PFUZE100_MAX_REGULATOR]; > + struct regulator_dev *regulators[PFUZE100_MAX_REGULATOR]; > +}; > + > +static const int pfuze100_swbst[] = { > + 5000000, 5050000, 5100000, 5150000, > +}; > + > +static const int pfuze100_vsnvs[] = { > + 1000000, 1100000, 1200000, 1300000, 1500000, 1800000, 3000000, > +}; > + > +static const struct i2c_device_id pfuze_device_id[] = { > + {.name = "pfuze100"}, > + {}, > +}; > +MODULE_DEVICE_TABLE(i2c, pfuze_device_id); > + > +static const struct of_device_id pfuze_dt_ids[] = { > + { .compatible = "fsl,pfuze100" }, > + {}, > +}; > +MODULE_DEVICE_TABLE(of, pfuze_dt_ids); > + > +static int pfuze100_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) > +{ > + struct pfuze_chip *pfuze100 = rdev_get_drvdata(rdev); > + int id = rdev->desc->id; > + unsigned int val, ramp_bits, reg; > + int ret; > + > + if (id < PFUZE100_SWBST) { > + if (id == PFUZE100_SW1AB) > + reg = PFUZE100_SW1ABVOL; > + else > + reg = PFUZE100_SW1CVOL + (id - PFUZE100_SW1C) * 7; > + regmap_read(pfuze100->regmap, reg, &val); > + > + if (id <= PFUZE100_SW1C) > + ramp_delay = 25000 / (2 * ramp_delay); > + else if (val & 0x40) > + ramp_delay = 50000 / (4 * ramp_delay); > + else > + ramp_delay = 25000 / (2 * ramp_delay); > + > + ramp_bits = (ramp_delay >> 1) - (ramp_delay >> 3); > + ret = regmap_update_bits(pfuze100->regmap, reg + 4 , 0xc0, > + ramp_bits << 6); > + if (ret < 0) > + dev_err(pfuze100->dev, "ramp failed, err %d\n", ret); > + } else > + ret = -EACCES; > + > + return ret; > +} > + > +static struct regulator_ops pfuze100_ldo_regulator_ops = { > + .enable = regulator_enable_regmap, > + .disable = regulator_disable_regmap, > + .is_enabled = regulator_is_enabled_regmap, > + .list_voltage = regulator_list_voltage_linear, > + .set_voltage_sel = regulator_set_voltage_sel_regmap, > + .get_voltage_sel = regulator_get_voltage_sel_regmap, > +}; > + > +static struct regulator_ops pfuze100_fixed_regulator_ops = { > + .list_voltage = regulator_list_voltage_linear, > +}; > + > +static struct regulator_ops pfuze100_sw_regulator_ops = { > + .list_voltage = regulator_list_voltage_linear, > + .set_voltage_sel = regulator_set_voltage_sel_regmap, > + .get_voltage_sel = regulator_get_voltage_sel_regmap, > + .set_voltage_time_sel = regulator_set_voltage_time_sel, > + .set_ramp_delay = pfuze100_set_ramp_delay, > +}; > + > +static struct regulator_ops pfuze100_swb_regulator_ops = { > + .list_voltage = regulator_list_voltage_table, > + .set_voltage_sel = regulator_set_voltage_sel_regmap, > + .get_voltage_sel = regulator_get_voltage_sel_regmap, > + > +}; > + > +#define PFUZE100_FIXED_REG(_name, base, voltage) \ > + [PFUZE100_ ## _name] = { \ > + .desc = { \ > + .name = #_name, \ > + .n_voltages = 1, \ > + .ops = &pfuze100_fixed_regulator_ops, \ > + .type = REGULATOR_VOLTAGE, \ > + .id = PFUZE100_ ## _name, \ > + .owner = THIS_MODULE, \ > + .min_uV = (voltage), \ > + .enable_reg = (base), \ > + .enable_mask = 0x10, \ > + }, \ > + } > + > +#define PFUZE100_SW_REG(_name, base, min, max, step) \ > + [PFUZE100_ ## _name] = { \ > + .desc = { \ > + .name = #_name,\ > + .n_voltages = ((max) - (min)) / (step) + 1, \ > + .ops = &pfuze100_sw_regulator_ops, \ > + .type = REGULATOR_VOLTAGE, \ > + .id = PFUZE100_ ## _name, \ > + .owner = THIS_MODULE, \ > + .min_uV = (min), \ > + .uV_step = (step), \ > + .vsel_reg = (base) + PFUZE100_VOL_OFFSET, \ > + .vsel_mask = 0x3f, \ > + }, \ > + .stby_reg = (base) + PFUZE100_STANDBY_OFFSET, \ > + .stby_mask = 0x3f, \ > + } > + > +#define PFUZE100_SWB_REG(_name, base, mask, voltages) \ > + [PFUZE100_ ## _name] = { \ > + .desc = { \ > + .name = #_name, \ > + .n_voltages = ARRAY_SIZE(voltages), \ > + .ops = &pfuze100_swb_regulator_ops, \ > + .type = REGULATOR_VOLTAGE, \ > + .id = PFUZE100_ ## _name, \ > + .owner = THIS_MODULE, \ > + .volt_table = voltages, \ > + .vsel_reg = (base), \ > + .vsel_mask = (mask), \ > + }, \ > + } > + > +#define PFUZE100_VGEN_REG(_name, base, min, max, step) \ > + [PFUZE100_ ## _name] = { \ > + .desc = { \ > + .name = #_name, \ > + .n_voltages = ((max) - (min)) / (step) + 1, \ > + .ops = &pfuze100_ldo_regulator_ops, \ > + .type = REGULATOR_VOLTAGE, \ > + .id = PFUZE100_ ## _name, \ > + .owner = THIS_MODULE, \ > + .min_uV = (min), \ > + .uV_step = (step), \ > + .vsel_reg = (base), \ > + .vsel_mask = 0xf, \ > + .enable_reg = (base), \ > + .enable_mask = 0x10, \ > + }, \ > + .stby_reg = (base), \ > + .stby_mask = 0x20, \ > + } > + > +static struct pfuze_regulator pfuze100_regulators[] = { > + PFUZE100_SW_REG(SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000), > + PFUZE100_SW_REG(SW1C, PFUZE100_SW1CVOL, 300000, 1875000, 25000), > + PFUZE100_SW_REG(SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000), > + PFUZE100_SW_REG(SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000), > + PFUZE100_SW_REG(SW3B, PFUZE100_SW3BVOL, 400000, 1975000, 25000), > + PFUZE100_SW_REG(SW4, PFUZE100_SW4VOL, 400000, 1975000, 25000), > + PFUZE100_SWB_REG(SWBST, PFUZE100_SWBSTCON1, 0x3 , pfuze100_swbst), > + PFUZE100_SWB_REG(VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs), > + PFUZE100_FIXED_REG(VREFDDR, PFUZE100_VREFDDRCON, 750000), > + PFUZE100_VGEN_REG(VGEN1, PFUZE100_VGEN1VOL, 800000, 1550000, 50000), > + PFUZE100_VGEN_REG(VGEN2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000), > + PFUZE100_VGEN_REG(VGEN3, PFUZE100_VGEN3VOL, 1800000, 3300000, 100000), > + PFUZE100_VGEN_REG(VGEN4, PFUZE100_VGEN4VOL, 1800000, 3300000, 100000), > + PFUZE100_VGEN_REG(VGEN5, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000), > + PFUZE100_VGEN_REG(VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000), > +}; > + > +#ifdef CONFIG_OF > +static struct of_regulator_match pfuze100_matches[] = { > + { .name = "sw1ab", }, > + { .name = "sw1c", }, > + { .name = "sw2", }, > + { .name = "sw3a", }, > + { .name = "sw3b", }, > + { .name = "sw4", }, > + { .name = "swbst", }, > + { .name = "vsnvs", }, > + { .name = "vrefddr", }, > + { .name = "vgen1", }, > + { .name = "vgen2", }, > + { .name = "vgen3", }, > + { .name = "vgen4", }, > + { .name = "vgen5", }, > + { .name = "vgen6", }, > +}; > + > +static int pfuze_parse_regulators_dt(struct pfuze_chip *chip) > +{ > + struct device *dev = chip->dev; > + struct device_node *np, *parent; > + int ret; > + > + np = of_node_get(dev->parent->of_node); > + if (!np) > + return 0; > + > + parent = of_find_node_by_name(np, "regulators"); > + if (!parent) { > + dev_err(dev, "regulators node not found\n"); > + return -EINVAL; > + } > + > + ret = of_regulator_match(dev, parent, pfuze100_matches, > + ARRAY_SIZE(pfuze100_matches)); > + > + of_node_put(parent); > + if (ret < 0) { > + dev_err(dev, "Error parsing regulator init data: %d\n", > + ret); > + return ret; > + } > + > + return 0; > +} > + > +static inline struct regulator_init_data *match_init_data(int index) > +{ > + return pfuze100_matches[index].init_data; > +} > + > +static inline struct device_node *match_of_node(int index) > +{ > + return pfuze100_matches[index].of_node; > +} > +#else > +static int pfuze_parse_regulators_dt(struct pfuze_chip *chip) > +{ > + return NULL; > +} > + > +static inline struct regulator_init_data *match_init_data(int index) > +{ > + return NULL; > +} > + > +static inline struct device_node *match_of_node(int index) > +{ > + return NULL; > +} > +#endif > + > +static int pfuze_identify(struct pfuze_chip *pfuze_chip) > +{ > + unsigned int value; > + int ret; > + > + ret = regmap_read(pfuze_chip->regmap, PFUZE100_DEVICEID, &value); > + if (ret) > + return ret; > + > + if (value & 0x0f) { > + dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value); > + return -ENODEV; > + } > + > + ret = regmap_read(pfuze_chip->regmap, PFUZE100_REVID, &value); > + if (ret) > + return ret; > + dev_info(pfuze_chip->dev, > + "Full lay: %x, Metal lay: %x\n", > + (value & 0xf0) >> 4, value & 0x0f); > + > + ret = regmap_read(pfuze_chip->regmap, PFUZE100_FABID, &value); > + if (ret) > + return ret; > + dev_info(pfuze_chip->dev, "FAB: %x, FIN: %x\n", > + (value & 0xc) >> 2, value & 0x3); > + > + return 0; > +} > + > +static const struct regmap_config pfuze_regmap_config = { > + .reg_bits = 8, > + .val_bits = 8, > + .max_register = PFUZE_NUMREGS, > + .cache_type = REGCACHE_RBTREE, > +}; > + > +static int pfuze100_regulator_probe(struct i2c_client *client, > + const struct i2c_device_id *id) > +{ > + struct pfuze_chip *pfuze_chip; > + struct pfuze_regulator_platform_data *pdata = > + dev_get_platdata(&client->dev); > + struct regulator_config config = { }; > + int i, ret; > + > + pfuze_chip = devm_kzalloc(&client->dev, sizeof(*pfuze_chip), > + GFP_KERNEL); > + if (!pfuze_chip) > + return -ENOMEM; > + > + dev_set_drvdata(&client->dev, pfuze_chip); > + > + memcpy(pfuze_chip->regulator_descs, pfuze100_regulators, > + sizeof(pfuze_chip->regulator_descs)); > + > + pfuze_chip->dev = &client->dev; > + > + pfuze_chip->regmap = devm_regmap_init_i2c(client, &pfuze_regmap_config); > + if (IS_ERR(pfuze_chip->regmap)) { > + ret = PTR_ERR(pfuze_chip->regmap); > + dev_err(&client->dev, > + "regmap allocation failed with err %d\n", ret); > + return ret; > + } > + > + ret = pfuze_identify(pfuze_chip); > + if (ret) { > + dev_err(&client->dev, "unrecognized pfuze chip ID!\n"); > + return ret; > + } > + > + ret = pfuze_parse_regulators_dt(pfuze_chip); > + if (ret) > + return ret; > + > + for (i = 0; i < PFUZE100_MAX_REGULATOR; i++) { > + struct regulator_init_data *init_data; > + int val; > + > + if (pdata) > + init_data = pdata->init_data[i]; > + else > + init_data = match_init_data(i); > + > + /* SW2~SW4 high bit check and modify the voltage value table */ > + if (i > PFUZE100_SW1C && i < PFUZE100_SWBST) { > + regmap_read(pfuze_chip->regmap, PFUZE100_SW2VOL + > + (i - PFUZE100_SW2) * 7, &val); > + if (val & 0x40) { > + pfuze_chip->regulator_descs[i].desc.min_uV > + = 800000; > + pfuze_chip->regulator_descs[i].desc.uV_step > + = 50000; > + } > + } > + > + config.dev = &client->dev; > + config.init_data = init_data; > + config.driver_data = pfuze_chip; > + config.of_node = match_of_node(i); > + > + pfuze_chip->regulators[i] = regulator_register(&pfuze_chip > + ->regulator_descs[i].desc, &config); > + if (IS_ERR(pfuze_chip->regulators[i])) { > + dev_err(&client->dev, "register regulator%s failed\n", > + pfuze100_regulators[i].desc.name); > + ret = PTR_ERR(pfuze_chip->regulators[i]); > + while (--i >= 0) > + regulator_unregister(pfuze_chip->regulators[i]); > + return ret; > + } > + } > + > + return 0; > +} > + > +static int pfuze100_regulator_remove(struct i2c_client *client) > +{ > + int i; > + struct pfuze_chip *pfuze_chip = dev_get_drvdata(&client->dev); > + > + for (i = 0; i < PFUZE100_MAX_REGULATOR; i++) > + regulator_unregister(pfuze_chip->regulators[i]); > + > + return 0; > +} > + > +static struct i2c_driver pfuze_driver = { > + .id_table = pfuze_device_id, > + .driver = { > + .name = "pfuze100-regulator", > + .owner = THIS_MODULE, > + .of_match_table = pfuze_dt_ids, > + }, > + .probe = pfuze100_regulator_probe, > + .remove = pfuze100_regulator_remove, > +}; > +module_i2c_driver(pfuze_driver); > + > +MODULE_AUTHOR("Robin Gong "); > +MODULE_DESCRIPTION("Regulator Driver for Freescale PFUZE100 PMIC"); > +MODULE_ALIAS("pfuze100-regulator"); > diff --git a/include/linux/regulator/pfuze100.h b/include/linux/regulator/pfuze100.h > new file mode 100644 > index 0000000..65d550b > --- /dev/null > +++ b/include/linux/regulator/pfuze100.h > @@ -0,0 +1,44 @@ > +/* > + * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. > + * > + * 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., > + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. > + */ > +#ifndef __LINUX_REG_PFUZE100_H > +#define __LINUX_REG_PFUZE100_H > + > +#define PFUZE100_SW1AB 0 > +#define PFUZE100_SW1C 1 > +#define PFUZE100_SW2 2 > +#define PFUZE100_SW3A 3 > +#define PFUZE100_SW3B 4 > +#define PFUZE100_SW4 5 > +#define PFUZE100_SWBST 6 > +#define PFUZE100_VSNVS 7 > +#define PFUZE100_VREFDDR 8 > +#define PFUZE100_VGEN1 9 > +#define PFUZE100_VGEN2 10 > +#define PFUZE100_VGEN3 11 > +#define PFUZE100_VGEN4 12 > +#define PFUZE100_VGEN5 13 > +#define PFUZE100_VGEN6 14 > +#define PFUZE100_MAX_REGULATOR 15 > + > +struct regulator_init_data; > + > +struct pfuze_regulator_platform_data { > + struct regulator_init_data *init_data[PFUZE100_MAX_REGULATOR]; > +}; > + > +#endif /* __LINUX_REG_PFUZE100_H */ > -- > 1.7.5.4 > > > Tested-by: Steffen Trumtrar Thanks, Steffen -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |