diff options
Diffstat (limited to 'drivers/regulator/wm8400-regulator.c')
| -rw-r--r-- | drivers/regulator/wm8400-regulator.c | 50 |
1 files changed, 22 insertions, 28 deletions
diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c index fb1837657b64..fb3ca7956d00 100644 --- a/drivers/regulator/wm8400-regulator.c +++ b/drivers/regulator/wm8400-regulator.c @@ -1,16 +1,10 @@ -/* - * Regulator support for WM8400 - * - * Copyright 2008 Wolfson Microelectronics PLC. - * - * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> - * - * 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. - * - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// Regulator support for WM8400 +// +// Copyright 2008 Wolfson Microelectronics PLC. +// +// Author: Mark Brown <broonie@opensource.wolfsonmicro.com> #include <linux/bug.h> #include <linux/err.h> @@ -19,7 +13,7 @@ #include <linux/regulator/driver.h> #include <linux/mfd/wm8400-private.h> -static const struct regulator_linear_range wm8400_ldo_ranges[] = { +static const struct linear_range wm8400_ldo_ranges[] = { REGULATOR_LINEAR_RANGE(900000, 0, 14, 50000), REGULATOR_LINEAR_RANGE(1700000, 15, 31, 100000), }; @@ -36,13 +30,12 @@ static const struct regulator_ops wm8400_ldo_ops = { static unsigned int wm8400_dcdc_get_mode(struct regulator_dev *dev) { - struct wm8400 *wm8400 = rdev_get_drvdata(dev); + struct regmap *rmap = rdev_get_regmap(dev); int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2; u16 data[2]; int ret; - ret = wm8400_block_read(wm8400, WM8400_DCDC1_CONTROL_1 + offset, 2, - data); + ret = regmap_bulk_read(rmap, WM8400_DCDC1_CONTROL_1 + offset, data, 2); if (ret != 0) return 0; @@ -63,36 +56,36 @@ static unsigned int wm8400_dcdc_get_mode(struct regulator_dev *dev) static int wm8400_dcdc_set_mode(struct regulator_dev *dev, unsigned int mode) { - struct wm8400 *wm8400 = rdev_get_drvdata(dev); + struct regmap *rmap = rdev_get_regmap(dev); int offset = (rdev_get_id(dev) - WM8400_DCDC1) * 2; int ret; switch (mode) { case REGULATOR_MODE_FAST: /* Datasheet: active with force PWM */ - ret = wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_2 + offset, + ret = regmap_update_bits(rmap, WM8400_DCDC1_CONTROL_2 + offset, WM8400_DC1_FRC_PWM, WM8400_DC1_FRC_PWM); if (ret != 0) return ret; - return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + return regmap_update_bits(rmap, WM8400_DCDC1_CONTROL_1 + offset, WM8400_DC1_ACTIVE | WM8400_DC1_SLEEP, WM8400_DC1_ACTIVE); case REGULATOR_MODE_NORMAL: /* Datasheet: active */ - ret = wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_2 + offset, + ret = regmap_update_bits(rmap, WM8400_DCDC1_CONTROL_2 + offset, WM8400_DC1_FRC_PWM, 0); if (ret != 0) return ret; - return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + return regmap_update_bits(rmap, WM8400_DCDC1_CONTROL_1 + offset, WM8400_DC1_ACTIVE | WM8400_DC1_SLEEP, WM8400_DC1_ACTIVE); case REGULATOR_MODE_IDLE: /* Datasheet: standby */ - return wm8400_set_bits(wm8400, WM8400_DCDC1_CONTROL_1 + offset, + return regmap_update_bits(rmap, WM8400_DCDC1_CONTROL_1 + offset, WM8400_DC1_ACTIVE | WM8400_DC1_SLEEP, 0); default: return -EINVAL; @@ -119,7 +112,7 @@ static const struct regulator_ops wm8400_dcdc_ops = { .get_optimum_mode = wm8400_dcdc_get_optimum_mode, }; -static struct regulator_desc regulators[] = { +static const struct regulator_desc regulators[] = { { .name = "LDO1", .id = WM8400_LDO1, @@ -195,7 +188,7 @@ static struct regulator_desc regulators[] = { .id = WM8400_DCDC2, .ops = &wm8400_dcdc_ops, .enable_reg = WM8400_DCDC2_CONTROL_1, - .enable_mask = WM8400_DC1_ENA_MASK, + .enable_mask = WM8400_DC2_ENA_MASK, .n_voltages = WM8400_DC2_VSEL_MASK + 1, .vsel_reg = WM8400_DCDC2_CONTROL_1, .vsel_mask = WM8400_DC2_VSEL_MASK, @@ -230,6 +223,7 @@ static int wm8400_regulator_probe(struct platform_device *pdev) static struct platform_driver wm8400_regulator_driver = { .driver = { .name = "wm8400-regulator", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = wm8400_regulator_probe, }; @@ -241,9 +235,9 @@ static struct platform_driver wm8400_regulator_driver = { * the regulator API. It is intended to be called from the * platform_init() callback of the WM8400 MFD driver. * - * @param dev The WM8400 device to operate on. - * @param reg The regulator to control. - * @param initdata Regulator initdata for the regulator. + * @dev: The WM8400 device to operate on. + * @reg: The regulator to control. + * @initdata: Regulator initdata for the regulator. */ int wm8400_register_regulator(struct device *dev, int reg, struct regulator_init_data *initdata) |