diff options
Diffstat (limited to 'drivers/regulator/twl-regulator.c')
| -rw-r--r-- | drivers/regulator/twl-regulator.c | 813 |
1 files changed, 118 insertions, 695 deletions
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 93bc4f456da4..5bacfcebf59a 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * twl-regulator.c -- support regulators in twl4030/twl6030 family chips * * Copyright (C) 2008 David Brownell - * - * 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 <linux/module.h> @@ -16,15 +12,14 @@ #include <linux/err.h> #include <linux/platform_device.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/regulator/of_regulator.h> -#include <linux/i2c/twl.h> - +#include <linux/mfd/twl.h> +#include <linux/delay.h> /* - * The TWL4030/TW5030/TPS659x0/TWL6030 family chips include power management, a + * The TWL4030/TW5030/TPS659x0 family chips include power management, a * USB OTG transceiver, an RTC, ADC, PWM, and lots more. Some versions * include an audio codec, battery charger, and more voltage regulators. * These chips are often used in OMAP-based systems. @@ -48,24 +43,11 @@ struct twlreg_info { /* State REMAP default configuration */ u8 remap; - /* chip constraints on regulator behavior */ - u16 min_mV; - u16 max_mV; - - u8 flags; - /* used by regulator core */ struct regulator_desc desc; /* chip specific features */ - unsigned long features; - - /* - * optional override functions for voltage set/get - * these are currently only used for SMPS regulators - */ - int (*get_voltage)(void *data); - int (*set_voltage)(void *data, int target_uV); + unsigned long features; /* data passed from board for external get/set voltage */ void *data; @@ -88,33 +70,6 @@ struct twlreg_info { #define VREG_STATE 2 #define VREG_VOLTAGE 3 #define VREG_VOLTAGE_SMPS 4 -/* TWL6030 Misc register offsets */ -#define VREG_BC_ALL 1 -#define VREG_BC_REF 2 -#define VREG_BC_PROC 3 -#define VREG_BC_CLK_RST 4 - -/* TWL6030 LDO register values for CFG_STATE */ -#define TWL6030_CFG_STATE_OFF 0x00 -#define TWL6030_CFG_STATE_ON 0x01 -#define TWL6030_CFG_STATE_OFF2 0x02 -#define TWL6030_CFG_STATE_SLEEP 0x03 -#define TWL6030_CFG_STATE_GRP_SHIFT 5 -#define TWL6030_CFG_STATE_APP_SHIFT 2 -#define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT) -#define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\ - TWL6030_CFG_STATE_APP_SHIFT) - -/* Flags for SMPS Voltage reading */ -#define SMPS_OFFSET_EN BIT(0) -#define SMPS_EXTENDED_EN BIT(1) - -/* twl6032 SMPS EPROM values */ -#define TWL6030_SMPS_OFFSET 0xB0 -#define TWL6030_SMPS_MULT 0xB3 -#define SMPS_MULTOFFSET_SMPS4 BIT(0) -#define SMPS_MULTOFFSET_VIO BIT(1) -#define SMPS_MULTOFFSET_SMPS3 BIT(6) static inline int twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset) @@ -168,92 +123,100 @@ static int twl4030reg_is_enabled(struct regulator_dev *rdev) return state & P1_GRP_4030; } -static int twl6030reg_is_enabled(struct regulator_dev *rdev) +#define PB_I2C_BUSY BIT(0) +#define PB_I2C_BWEN BIT(1) + +/* Wait until buffer empty/ready to send a word on power bus. */ +static int twl4030_wait_pb_ready(void) { - struct twlreg_info *info = rdev_get_drvdata(rdev); - int grp = 0, val; - - if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) { - grp = twlreg_grp(rdev); - if (grp < 0) - return grp; - grp &= P1_GRP_6030; - } else { - grp = 1; - } - val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE); - val = TWL6030_CFG_STATE_APP(val); + int ret; + int timeout = 10; + u8 val; + + do { + ret = twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &val, + TWL4030_PM_MASTER_PB_CFG); + if (ret < 0) + return ret; + + if (!(val & PB_I2C_BUSY)) + return 0; - return grp && (val == TWL6030_CFG_STATE_ON); + mdelay(1); + timeout--; + } while (timeout); + + return -ETIMEDOUT; } -static int twl4030reg_enable(struct regulator_dev *rdev) +/* Send a word over the powerbus */ +static int twl4030_send_pb_msg(unsigned msg) { - struct twlreg_info *info = rdev_get_drvdata(rdev); - int grp; - int ret; + u8 val; + int ret; - grp = twlreg_grp(rdev); - if (grp < 0) - return grp; + /* save powerbus configuration */ + ret = twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &val, + TWL4030_PM_MASTER_PB_CFG); + if (ret < 0) + return ret; - grp |= P1_GRP_4030; + /* Enable i2c access to powerbus */ + ret = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, val | PB_I2C_BWEN, + TWL4030_PM_MASTER_PB_CFG); + if (ret < 0) + return ret; - ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); + ret = twl4030_wait_pb_ready(); + if (ret < 0) + return ret; - return ret; -} + ret = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, msg >> 8, + TWL4030_PM_MASTER_PB_WORD_MSB); + if (ret < 0) + return ret; -static int twl6030reg_enable(struct regulator_dev *rdev) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - int grp = 0; - int ret; + ret = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, msg & 0xff, + TWL4030_PM_MASTER_PB_WORD_LSB); + if (ret < 0) + return ret; - if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) - grp = twlreg_grp(rdev); - if (grp < 0) - return grp; + ret = twl4030_wait_pb_ready(); + if (ret < 0) + return ret; - ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, - grp << TWL6030_CFG_STATE_GRP_SHIFT | - TWL6030_CFG_STATE_ON); - return ret; + /* Restore powerbus configuration */ + return twl_i2c_write_u8(TWL_MODULE_PM_MASTER, val, + TWL4030_PM_MASTER_PB_CFG); } -static int twl4030reg_disable(struct regulator_dev *rdev) +static int twl4030reg_enable(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); int grp; - int ret; grp = twlreg_grp(rdev); if (grp < 0) return grp; - grp &= ~(P1_GRP_4030 | P2_GRP_4030 | P3_GRP_4030); - - ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); + grp |= P1_GRP_4030; - return ret; + return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); } -static int twl6030reg_disable(struct regulator_dev *rdev) +static int twl4030reg_disable(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); - int grp = 0; - int ret; + int grp; - if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) - grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030; + grp = twlreg_grp(rdev); + if (grp < 0) + return grp; - /* For 6030, set the off state for all grps enabled */ - ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, - (grp) << TWL6030_CFG_STATE_GRP_SHIFT | - TWL6030_CFG_STATE_OFF); + grp &= ~(P1_GRP_4030 | P2_GRP_4030 | P3_GRP_4030); - return ret; + return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); } static int twl4030reg_get_status(struct regulator_dev *rdev) @@ -272,38 +235,10 @@ static int twl4030reg_get_status(struct regulator_dev *rdev) : REGULATOR_STATUS_STANDBY; } -static int twl6030reg_get_status(struct regulator_dev *rdev) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - int val; - - val = twlreg_grp(rdev); - if (val < 0) - return val; - - val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE); - - switch (TWL6030_CFG_STATE_APP(val)) { - case TWL6030_CFG_STATE_ON: - return REGULATOR_STATUS_NORMAL; - - case TWL6030_CFG_STATE_SLEEP: - return REGULATOR_STATUS_STANDBY; - - case TWL6030_CFG_STATE_OFF: - case TWL6030_CFG_STATE_OFF2: - default: - break; - } - - return REGULATOR_STATUS_OFF; -} - static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode) { struct twlreg_info *info = rdev_get_drvdata(rdev); unsigned message; - int status; /* We can only set the mode through state machine commands... */ switch (mode) { @@ -317,50 +252,19 @@ static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode) return -EINVAL; } - /* Ensure the resource is associated with some group */ - status = twlreg_grp(rdev); - if (status < 0) - return status; - if (!(status & (P3_GRP_4030 | P2_GRP_4030 | P1_GRP_4030))) - return -EACCES; - - status = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, - message >> 8, TWL4030_PM_MASTER_PB_WORD_MSB); - if (status < 0) - return status; - - return twl_i2c_write_u8(TWL_MODULE_PM_MASTER, - message & 0xff, TWL4030_PM_MASTER_PB_WORD_LSB); + return twl4030_send_pb_msg(message); } -static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode) +static inline unsigned int twl4030reg_map_mode(unsigned int mode) { - struct twlreg_info *info = rdev_get_drvdata(rdev); - int grp = 0; - int val; - - if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) - grp = twlreg_grp(rdev); - - if (grp < 0) - return grp; - - /* Compose the state register settings */ - val = grp << TWL6030_CFG_STATE_GRP_SHIFT; - /* We can only set the mode through state machine commands... */ switch (mode) { - case REGULATOR_MODE_NORMAL: - val |= TWL6030_CFG_STATE_ON; - break; - case REGULATOR_MODE_STANDBY: - val |= TWL6030_CFG_STATE_SLEEP; - break; - + case RES_STATE_ACTIVE: + return REGULATOR_MODE_NORMAL; + case RES_STATE_SLEEP: + return REGULATOR_MODE_STANDBY; default: - return -EINVAL; + return REGULATOR_MODE_INVALID; } - - return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val); } /*----------------------------------------------------------------------*/ @@ -448,6 +352,17 @@ static const u16 VINTANA2_VSEL_table[] = { 2500, 2750, }; +/* 600mV to 1450mV in 12.5 mV steps */ +static const struct linear_range VDD1_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 68, 12500) +}; + +/* 600mV to 1450mV in 12.5 mV steps, everything above = 1500mV */ +static const struct linear_range VDD2_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 68, 12500), + REGULATOR_LINEAR_RANGE(1500000, 69, 69, 12500) +}; + static int twl4030ldo_list_voltage(struct regulator_dev *rdev, unsigned index) { struct twlreg_info *info = rdev_get_drvdata(rdev); @@ -477,7 +392,7 @@ static int twl4030ldo_get_voltage_sel(struct regulator_dev *rdev) return vsel; } -static struct regulator_ops twl4030ldo_ops = { +static const struct regulator_ops twl4030ldo_ops = { .list_voltage = twl4030ldo_list_voltage, .set_voltage_sel = twl4030ldo_set_voltage_sel, @@ -499,12 +414,7 @@ twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, struct twlreg_info *info = rdev_get_drvdata(rdev); int vsel = DIV_ROUND_UP(min_uV - 600000, 12500); - if (info->set_voltage) { - return info->set_voltage(info->data, min_uV); - } else { - twlreg_write(info, TWL_MODULE_PM_RECEIVER, - VREG_VOLTAGE_SMPS_4030, vsel); - } + twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030, vsel); return 0; } @@ -514,102 +424,22 @@ static int twl4030smps_get_voltage(struct regulator_dev *rdev) struct twlreg_info *info = rdev_get_drvdata(rdev); int vsel; - if (info->get_voltage) - return info->get_voltage(info->data); - vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030); return vsel * 12500 + 600000; } -static struct regulator_ops twl4030smps_ops = { +static const struct regulator_ops twl4030smps_ops = { + .list_voltage = regulator_list_voltage_linear_range, + .set_voltage = twl4030smps_set_voltage, .get_voltage = twl4030smps_get_voltage, }; -static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV, - int max_uV, unsigned *selector) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - - if (info->set_voltage) - return info->set_voltage(info->data, min_uV); - - return -ENODEV; -} - -static int twl6030coresmps_get_voltage(struct regulator_dev *rdev) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - - if (info->get_voltage) - return info->get_voltage(info->data); - - return -ENODEV; -} - -static struct regulator_ops twl6030coresmps_ops = { - .set_voltage = twl6030coresmps_set_voltage, - .get_voltage = twl6030coresmps_get_voltage, -}; - -static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned sel) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - - switch (sel) { - case 0: - return 0; - case 1 ... 24: - /* Linear mapping from 00000001 to 00011000: - * Absolute voltage value = 1.0 V + 0.1 V × (sel – 00000001) - */ - return (info->min_mV + 100 * (sel - 1)) * 1000; - case 25 ... 30: - return -EINVAL; - case 31: - return 2750000; - default: - return -EINVAL; - } -} - -static int -twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - - return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE, - selector); -} - -static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE); - - return vsel; -} - -static struct regulator_ops twl6030ldo_ops = { - .list_voltage = twl6030ldo_list_voltage, - - .set_voltage_sel = twl6030ldo_set_voltage_sel, - .get_voltage_sel = twl6030ldo_get_voltage_sel, - - .enable = twl6030reg_enable, - .disable = twl6030reg_disable, - .is_enabled = twl6030reg_is_enabled, - - .set_mode = twl6030reg_set_mode, - - .get_status = twl6030reg_get_status, -}; - /*----------------------------------------------------------------------*/ -static struct regulator_ops twl4030fixed_ops = { +static const struct regulator_ops twl4030fixed_ops = { .list_voltage = regulator_list_voltage_linear, .enable = twl4030reg_enable, @@ -621,225 +451,8 @@ static struct regulator_ops twl4030fixed_ops = { .get_status = twl4030reg_get_status, }; -static struct regulator_ops twl6030fixed_ops = { - .list_voltage = regulator_list_voltage_linear, - - .enable = twl6030reg_enable, - .disable = twl6030reg_disable, - .is_enabled = twl6030reg_is_enabled, - - .set_mode = twl6030reg_set_mode, - - .get_status = twl6030reg_get_status, -}; - -/* - * SMPS status and control - */ - -static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - - int voltage = 0; - - switch (info->flags) { - case SMPS_OFFSET_EN: - voltage = 100000; - /* fall through */ - case 0: - switch (index) { - case 0: - voltage = 0; - break; - case 58: - voltage = 1350 * 1000; - break; - case 59: - voltage = 1500 * 1000; - break; - case 60: - voltage = 1800 * 1000; - break; - case 61: - voltage = 1900 * 1000; - break; - case 62: - voltage = 2100 * 1000; - break; - default: - voltage += (600000 + (12500 * (index - 1))); - } - break; - case SMPS_EXTENDED_EN: - switch (index) { - case 0: - voltage = 0; - break; - case 58: - voltage = 2084 * 1000; - break; - case 59: - voltage = 2315 * 1000; - break; - case 60: - voltage = 2778 * 1000; - break; - case 61: - voltage = 2932 * 1000; - break; - case 62: - voltage = 3241 * 1000; - break; - default: - voltage = (1852000 + (38600 * (index - 1))); - } - break; - case SMPS_OFFSET_EN | SMPS_EXTENDED_EN: - switch (index) { - case 0: - voltage = 0; - break; - case 58: - voltage = 4167 * 1000; - break; - case 59: - voltage = 2315 * 1000; - break; - case 60: - voltage = 2778 * 1000; - break; - case 61: - voltage = 2932 * 1000; - break; - case 62: - voltage = 3241 * 1000; - break; - default: - voltage = (2161000 + (38600 * (index - 1))); - } - break; - } - - return voltage; -} - -static int twl6030smps_map_voltage(struct regulator_dev *rdev, int min_uV, - int max_uV) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - int vsel = 0; - - switch (info->flags) { - case 0: - if (min_uV == 0) - vsel = 0; - else if ((min_uV >= 600000) && (min_uV <= 1300000)) { - vsel = DIV_ROUND_UP(min_uV - 600000, 12500); - vsel++; - } - /* Values 1..57 for vsel are linear and can be calculated - * values 58..62 are non linear. - */ - else if ((min_uV > 1900000) && (min_uV <= 2100000)) - vsel = 62; - else if ((min_uV > 1800000) && (min_uV <= 1900000)) - vsel = 61; - else if ((min_uV > 1500000) && (min_uV <= 1800000)) - vsel = 60; - else if ((min_uV > 1350000) && (min_uV <= 1500000)) - vsel = 59; - else if ((min_uV > 1300000) && (min_uV <= 1350000)) - vsel = 58; - else - return -EINVAL; - break; - case SMPS_OFFSET_EN: - if (min_uV == 0) - vsel = 0; - else if ((min_uV >= 700000) && (min_uV <= 1420000)) { - vsel = DIV_ROUND_UP(min_uV - 700000, 12500); - vsel++; - } - /* Values 1..57 for vsel are linear and can be calculated - * values 58..62 are non linear. - */ - else if ((min_uV > 1900000) && (min_uV <= 2100000)) - vsel = 62; - else if ((min_uV > 1800000) && (min_uV <= 1900000)) - vsel = 61; - else if ((min_uV > 1350000) && (min_uV <= 1800000)) - vsel = 60; - else if ((min_uV > 1350000) && (min_uV <= 1500000)) - vsel = 59; - else if ((min_uV > 1300000) && (min_uV <= 1350000)) - vsel = 58; - else - return -EINVAL; - break; - case SMPS_EXTENDED_EN: - if (min_uV == 0) { - vsel = 0; - } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) { - vsel = DIV_ROUND_UP(min_uV - 1852000, 38600); - vsel++; - } - break; - case SMPS_OFFSET_EN|SMPS_EXTENDED_EN: - if (min_uV == 0) { - vsel = 0; - } else if ((min_uV >= 2161000) && (min_uV <= 4321000)) { - vsel = DIV_ROUND_UP(min_uV - 2161000, 38600); - vsel++; - } - break; - } - - return vsel; -} - -static int twl6030smps_set_voltage_sel(struct regulator_dev *rdev, - unsigned int selector) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - - return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS, - selector); -} - -static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev) -{ - struct twlreg_info *info = rdev_get_drvdata(rdev); - - return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS); -} - -static struct regulator_ops twlsmps_ops = { - .list_voltage = twl6030smps_list_voltage, - .map_voltage = twl6030smps_map_voltage, - - .set_voltage_sel = twl6030smps_set_voltage_sel, - .get_voltage_sel = twl6030smps_get_voltage_sel, - - .enable = twl6030reg_enable, - .disable = twl6030reg_disable, - .is_enabled = twl6030reg_is_enabled, - - .set_mode = twl6030reg_set_mode, - - .get_status = twl6030reg_get_status, -}; - /*----------------------------------------------------------------------*/ -#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ - remap_conf) \ - TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ - remap_conf, TWL4030, twl4030fixed_ops) -#define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \ - TWL_FIXED_LDO(label, offset, mVolts, 0x0, turnon_delay, \ - 0x0, TWL6030, twl6030fixed_ops) - #define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \ static const struct twlreg_info TWL4030_INFO_##label = { \ .base = offset, \ @@ -855,10 +468,12 @@ static const struct twlreg_info TWL4030_INFO_##label = { \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ .enable_time = turnon_delay, \ + .of_map_mode = twl4030reg_map_mode, \ }, \ } -#define TWL4030_ADJUSTABLE_SMPS(label, offset, num, turnon_delay, remap_conf) \ +#define TWL4030_ADJUSTABLE_SMPS(label, offset, num, turnon_delay, remap_conf, \ + n_volt) \ static const struct twlreg_info TWL4030_INFO_##label = { \ .base = offset, \ .id = num, \ @@ -870,81 +485,29 @@ static const struct twlreg_info TWL4030_INFO_##label = { \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ .enable_time = turnon_delay, \ + .of_map_mode = twl4030reg_map_mode, \ + .n_voltages = n_volt, \ + .n_linear_ranges = ARRAY_SIZE(label ## _ranges), \ + .linear_ranges = label ## _ranges, \ }, \ } -#define TWL6030_ADJUSTABLE_SMPS(label) \ -static const struct twlreg_info TWL6030_INFO_##label = { \ - .desc = { \ - .name = #label, \ - .id = TWL6030_REG_##label, \ - .ops = &twl6030coresmps_ops, \ - .type = REGULATOR_VOLTAGE, \ - .owner = THIS_MODULE, \ - }, \ - } - -#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \ -static const struct twlreg_info TWL6030_INFO_##label = { \ - .base = offset, \ - .min_mV = min_mVolts, \ - .max_mV = max_mVolts, \ - .desc = { \ - .name = #label, \ - .id = TWL6030_REG_##label, \ - .n_voltages = 32, \ - .ops = &twl6030ldo_ops, \ - .type = REGULATOR_VOLTAGE, \ - .owner = THIS_MODULE, \ - }, \ - } - -#define TWL6032_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \ -static const struct twlreg_info TWL6032_INFO_##label = { \ - .base = offset, \ - .min_mV = min_mVolts, \ - .max_mV = max_mVolts, \ - .desc = { \ - .name = #label, \ - .id = TWL6032_REG_##label, \ - .n_voltages = 32, \ - .ops = &twl6030ldo_ops, \ - .type = REGULATOR_VOLTAGE, \ - .owner = THIS_MODULE, \ - }, \ - } - -#define TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \ - family, operations) \ +#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \ + remap_conf) \ static const struct twlreg_info TWLFIXED_INFO_##label = { \ .base = offset, \ .id = num, \ - .min_mV = mVolts, \ .remap = remap_conf, \ .desc = { \ .name = #label, \ - .id = family##_REG_##label, \ + .id = TWL4030##_REG_##label, \ .n_voltages = 1, \ - .ops = &operations, \ + .ops = &twl4030fixed_ops, \ .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ .min_uV = mVolts * 1000, \ .enable_time = turnon_delay, \ - }, \ - } - -#define TWL6032_ADJUSTABLE_SMPS(label, offset) \ -static const struct twlreg_info TWLSMPS_INFO_##label = { \ - .base = offset, \ - .min_mV = 600, \ - .max_mV = 2100, \ - .desc = { \ - .name = #label, \ - .id = TWL6032_REG_##label, \ - .n_voltages = 63, \ - .ops = &twlsmps_ops, \ - .type = REGULATOR_VOLTAGE, \ - .owner = THIS_MODULE, \ + .of_map_mode = twl4030reg_map_mode, \ }, \ } @@ -965,63 +528,14 @@ TWL4030_ADJUSTABLE_LDO(VSIM, 0x37, 9, 100, 0x00); TWL4030_ADJUSTABLE_LDO(VDAC, 0x3b, 10, 100, 0x08); TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12, 100, 0x08); TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08); -TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08); -TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08); +TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08, 68); +TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08, 69); /* VUSBCP is managed *only* by the USB subchip */ -/* 6030 REG with base as PMC Slave Misc : 0x0030 */ -/* Turnon-delay and remap configuration values for 6030 are not - verified since the specification is not public */ -TWL6030_ADJUSTABLE_SMPS(VDD1); -TWL6030_ADJUSTABLE_SMPS(VDD2); -TWL6030_ADJUSTABLE_SMPS(VDD3); -TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300); -TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300); -TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300); -TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300); -TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300); -TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300); -/* 6025 are renamed compared to 6030 versions */ -TWL6032_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300); -TWL6032_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300); -TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300); -TWL6032_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300); -TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300); -TWL6032_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300); -TWL6032_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300); -TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300); -TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300); TWL4030_FIXED_LDO(VINTANA1, 0x3f, 1500, 11, 100, 0x08); TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08); TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08); TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08); TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08); -TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0); -TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0); -TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0); -TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0); -TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0); -TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0); -TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34); -TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10); -TWL6032_ADJUSTABLE_SMPS(VIO, 0x16); - -static u8 twl_get_smps_offset(void) -{ - u8 value; - - twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value, - TWL6030_SMPS_OFFSET); - return value; -} - -static u8 twl_get_smps_mult(void) -{ - u8 value; - - twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value, - TWL6030_SMPS_MULT); - return value; -} #define TWL_OF_MATCH(comp, family, label) \ { \ @@ -1051,95 +565,39 @@ static const struct of_device_id twl_of_match[] = { TWL4030_OF_MATCH("ti,twl4030-vio", VIO), TWL4030_OF_MATCH("ti,twl4030-vdd1", VDD1), TWL4030_OF_MATCH("ti,twl4030-vdd2", VDD2), - TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1), - TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2), - TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3), - TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030), - TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030), - TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030), - TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC), - TWL6030_OF_MATCH("ti,twl6030-vpp", VPP), - TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM), - TWL6032_OF_MATCH("ti,twl6032-ldo2", LDO2), - TWL6032_OF_MATCH("ti,twl6032-ldo4", LDO4), - TWL6032_OF_MATCH("ti,twl6032-ldo3", LDO3), - TWL6032_OF_MATCH("ti,twl6032-ldo5", LDO5), - TWL6032_OF_MATCH("ti,twl6032-ldo1", LDO1), - TWL6032_OF_MATCH("ti,twl6032-ldo7", LDO7), - TWL6032_OF_MATCH("ti,twl6032-ldo6", LDO6), - TWL6032_OF_MATCH("ti,twl6032-ldoln", LDOLN), - TWL6032_OF_MATCH("ti,twl6032-ldousb", LDOUSB), TWLFIXED_OF_MATCH("ti,twl4030-vintana1", VINTANA1), TWLFIXED_OF_MATCH("ti,twl4030-vintdig", VINTDIG), TWLFIXED_OF_MATCH("ti,twl4030-vusb1v5", VUSB1V5), TWLFIXED_OF_MATCH("ti,twl4030-vusb1v8", VUSB1V8), TWLFIXED_OF_MATCH("ti,twl4030-vusb3v1", VUSB3V1), - TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA), - TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO), - TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC), - TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB), - TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8), - TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1), - TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3), - TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4), - TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO), {}, }; MODULE_DEVICE_TABLE(of, twl_of_match); static int twlreg_probe(struct platform_device *pdev) { - int i, id; + int id; struct twlreg_info *info; const struct twlreg_info *template; struct regulator_init_data *initdata; struct regulation_constraints *c; struct regulator_dev *rdev; - struct twl_regulator_driver_data *drvdata; - const struct of_device_id *match; struct regulator_config config = { }; - match = of_match_device(twl_of_match, &pdev->dev); - if (match) { - template = match->data; - id = template->desc.id; - initdata = of_get_regulator_init_data(&pdev->dev, - pdev->dev.of_node); - drvdata = NULL; - } else { - id = pdev->id; - initdata = pdev->dev.platform_data; - for (i = 0, template = NULL; i < ARRAY_SIZE(twl_of_match); i++) { - template = twl_of_match[i].data; - if (template && template->desc.id == id) - break; - } - if (i == ARRAY_SIZE(twl_of_match)) - return -ENODEV; - - drvdata = initdata->driver_data; - if (!drvdata) - return -EINVAL; - } - + template = of_device_get_match_data(&pdev->dev); if (!template) return -ENODEV; + id = template->desc.id; + initdata = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node, + &template->desc); if (!initdata) return -EINVAL; - info = kmemdup(template, sizeof (*info), GFP_KERNEL); + info = devm_kmemdup(&pdev->dev, template, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; - if (drvdata) { - /* copy the driver data into regulator data */ - info->features = drvdata->features; - info->data = drvdata->data; - info->set_voltage = drvdata->set_voltage; - info->get_voltage = drvdata->get_voltage; - } - /* Constrain board-specific capabilities according to what * this driver and the chip itself can actually do. */ @@ -1162,44 +620,20 @@ static int twlreg_probe(struct platform_device *pdev) break; } - switch (id) { - case TWL6032_REG_SMPS3: - if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3) - info->flags |= SMPS_EXTENDED_EN; - if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3) - info->flags |= SMPS_OFFSET_EN; - break; - case TWL6032_REG_SMPS4: - if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4) - info->flags |= SMPS_EXTENDED_EN; - if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4) - info->flags |= SMPS_OFFSET_EN; - break; - case TWL6032_REG_VIO: - if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO) - info->flags |= SMPS_EXTENDED_EN; - if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO) - info->flags |= SMPS_OFFSET_EN; - break; - } - config.dev = &pdev->dev; config.init_data = initdata; config.driver_data = info; config.of_node = pdev->dev.of_node; - rdev = regulator_register(&info->desc, &config); + rdev = devm_regulator_register(&pdev->dev, &info->desc, &config); if (IS_ERR(rdev)) { dev_err(&pdev->dev, "can't register %s, %ld\n", info->desc.name, PTR_ERR(rdev)); - kfree(info); return PTR_ERR(rdev); } platform_set_drvdata(pdev, rdev); - if (twl_class_is_4030()) - twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP, - info->remap); + twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP, info->remap); /* NOTE: many regulators support short-circuit IRQs (presentable * as REGULATOR_OVER_CURRENT notifications?) configured via: @@ -1212,27 +646,16 @@ static int twlreg_probe(struct platform_device *pdev) return 0; } -static int twlreg_remove(struct platform_device *pdev) -{ - struct regulator_dev *rdev = platform_get_drvdata(pdev); - struct twlreg_info *info = rdev->reg_data; - - regulator_unregister(rdev); - kfree(info); - return 0; -} - -MODULE_ALIAS("platform:twl_reg"); +MODULE_ALIAS("platform:twl4030_reg"); static struct platform_driver twlreg_driver = { .probe = twlreg_probe, - .remove = twlreg_remove, /* NOTE: short name, to work around driver model truncation of * "twl_regulator.12" (and friends) to "twl_regulator.1". */ .driver = { - .name = "twl_reg", - .owner = THIS_MODULE, + .name = "twl4030_reg", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, .of_match_table = of_match_ptr(twl_of_match), }, }; @@ -1249,5 +672,5 @@ static void __exit twlreg_exit(void) } module_exit(twlreg_exit) -MODULE_DESCRIPTION("TWL regulator driver"); +MODULE_DESCRIPTION("TWL4030 regulator driver"); MODULE_LICENSE("GPL"); |