diff options
Diffstat (limited to 'target/linux')
3 files changed, 543 insertions, 0 deletions
diff --git a/target/linux/imx6/config-3.10 b/target/linux/imx6/config-3.10 index 883695a6a8..0df9fabf7f 100644 --- a/target/linux/imx6/config-3.10 +++ b/target/linux/imx6/config-3.10 @@ -293,6 +293,7 @@ CONFIG_REGULATOR=y CONFIG_REGULATOR_ANATOP=y # CONFIG_REGULATOR_DEBUG is not set # CONFIG_REGULATOR_DUMMY is not set +CONFIG_REGULATOR_PFUZE100=y # CONFIG_REGULATOR_USERSPACE_CONSUMER is not set # CONFIG_RFKILL_REGULATOR is not set CONFIG_RFS_ACCEL=y diff --git a/target/linux/imx6/patches-3.10/0020-pfuze100-regulator.patch b/target/linux/imx6/patches-3.10/0020-pfuze100-regulator.patch new file mode 100644 index 0000000000..1e1294a443 --- /dev/null +++ b/target/linux/imx6/patches-3.10/0020-pfuze100-regulator.patch @@ -0,0 +1,522 @@ +--- a/drivers/regulator/Kconfig ++++ b/drivers/regulator/Kconfig +@@ -300,6 +300,14 @@ config REGULATOR_PCF50633 + Say Y here to support the voltage regulators and convertors + on PCF50633 + ++config REGULATOR_PFUZE100 ++ tristate "Support regulators on Freescale PFUZE100 PMIC" ++ depends on I2C ++ select REGMAP_I2C ++ help ++ Say y here to support the regulators found on the Freescale PFUZE100 ++ PMIC. ++ + config REGULATOR_RC5T583 + tristate "RICOH RC5T583 Power regulators" + depends on MFD_RC5T583 +--- a/drivers/regulator/Makefile ++++ b/drivers/regulator/Makefile +@@ -45,6 +45,7 @@ obj-$(CONFIG_REGULATOR_MC13783) += mc137 + obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o + obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o + obj-$(CONFIG_REGULATOR_PALMAS) += palmas-regulator.o ++obj-$(CONFIG_REGULATOR_PFUZE100) += pfuze100-regulator.o + obj-$(CONFIG_REGULATOR_TPS51632) += tps51632-regulator.o + obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o + obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o +--- /dev/null ++++ b/drivers/regulator/pfuze100-regulator.c +@@ -0,0 +1,445 @@ ++/* ++ * 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 <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/err.h> ++#include <linux/of.h> ++#include <linux/of_device.h> ++#include <linux/regulator/of_regulator.h> ++#include <linux/platform_device.h> ++#include <linux/regulator/driver.h> ++#include <linux/regulator/machine.h> ++#include <linux/regulator/pfuze100.h> ++#include <linux/i2c.h> ++#include <linux/slab.h> ++#include <linux/regmap.h> ++ ++#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 ramp_bits; ++ int ret; ++ ++ if (id < PFUZE100_SWBST) { ++ ramp_delay = 12500 / ramp_delay; ++ ramp_bits = (ramp_delay >> 1) - (ramp_delay >> 3); ++ ret = regmap_update_bits(pfuze100->regmap, ++ rdev->desc->vsel_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, ++ .map_voltage = regulator_map_voltage_ascend, ++ .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 0; ++} ++ ++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 - 1, ++ .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; ++ ++ i2c_set_clientdata(client, 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; ++ struct regulator_desc *desc; ++ int val; ++ ++ desc = &pfuze_chip->regulator_descs[i].desc; ++ ++ 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, desc->vsel_reg, &val); ++ if (val & 0x40) { ++ desc->min_uV = 800000; ++ desc->uV_step = 50000; ++ desc->n_voltages = 51; ++ } ++ } ++ ++ 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(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 = i2c_get_clientdata(client); ++ ++ 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 <b38343@freescale.com>"); ++MODULE_DESCRIPTION("Regulator Driver for Freescale PFUZE100 PMIC"); ++MODULE_LICENSE("GPL v2"); ++MODULE_ALIAS("i2c:pfuze100-regulator"); +--- /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 */ diff --git a/target/linux/imx6/patches-3.10/0021-pfuze100-allow-misprogrammed-id.patch b/target/linux/imx6/patches-3.10/0021-pfuze100-allow-misprogrammed-id.patch new file mode 100644 index 0000000000..a9399a9297 --- /dev/null +++ b/target/linux/imx6/patches-3.10/0021-pfuze100-allow-misprogrammed-id.patch @@ -0,0 +1,20 @@ +--- a/drivers/regulator/pfuze100-regulator.c ++++ b/drivers/regulator/pfuze100-regulator.c +@@ -308,9 +308,14 @@ static int pfuze_identify(struct pfuze_c + if (ret) + return ret; + +- if (value & 0x0f) { +- dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value); +- return -ENODEV; ++ switch (value & 0xf) { ++ case 0x0: ++ /* Freescale misprogrammed 1-3% of parts prior to week 8 of 2013 as ID=8 */ ++ case 0x8: ++ break; ++ default: ++ dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value); ++ return -ENODEV; + } + + ret = regmap_read(pfuze_chip->regmap, PFUZE100_REVID, &value); |