From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0CF8C433DB for ; Wed, 20 Jan 2021 15:18:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EC662336D for ; Wed, 20 Jan 2021 15:18:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390570AbhATPSo (ORCPT ); Wed, 20 Jan 2021 10:18:44 -0500 Received: from mail.kernel.org ([198.145.29.99]:50154 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390937AbhATPN5 (ORCPT ); Wed, 20 Jan 2021 10:13:57 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 875D42336D; Wed, 20 Jan 2021 15:13:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611155595; bh=LYb3KT/nWuoVQ6+iQ5eztoEBeTs25QKATyLNcI/15uQ=; h=From:To:Cc:Subject:Date:From; b=Vhx0+gwxmc8coghglyDiwMv8a2OABZXFEiejW+mUo0xmrQdYPbEel/pgsrIzhQ6UM gSybcHocrz3cj2IEtpL1n0Cv20QYZLcmounaX1JPhVBGdvU0z0GSI75s6grO5Tx1lf ysu8+Qqk3suXfJOQ6t8ocTlWPYinNbKY6r2CSS7k4o1rPDG+Kuq4Y4nuOh15OBOOQs bd7+TmddeRRfPMMDo7FcCTlatDOOZtaiNrquLRxWJlw2plshS5fuXjbeF1YAOv5jpv geEwjSz5GAL816zpy6SiVZrNwf4GD2Rjp/ZzRlO8/6PC8qNgLN21qKjRZnn9PFj02Q 0RWzcxPMDUdIA== From: Arnd Bergmann To: Liam Girdwood , Mark Brown Cc: Arnd Bergmann , Linus Walleij , linux-kernel@vger.kernel.org Subject: [PATCH] regulator: remove ab3100 driver Date: Wed, 20 Jan 2021 16:12:24 +0100 Message-Id: <20210120151307.1726876-1-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnd Bergmann The ST-Ericsson U300 platform is getting removed, so this driver is no longer needed. Cc: Linus Walleij Signed-off-by: Arnd Bergmann --- drivers/regulator/Kconfig | 9 - drivers/regulator/Makefile | 1 - drivers/regulator/ab3100.c | 724 ------------------------------------- 3 files changed, 734 deletions(-) delete mode 100644 drivers/regulator/ab3100.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 53fa84f4d1e1..ae287ea6fe11 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -122,15 +122,6 @@ config REGULATOR_AAT2870 If you have a AnalogicTech AAT2870 say Y to enable the regulator driver. -config REGULATOR_AB3100 - tristate "ST-Ericsson AB3100 Regulator functions" - depends on AB3100_CORE - default y if AB3100_CORE - help - These regulators correspond to functionality in the - AB3100 analog baseband dealing with power regulators - for the system. - config REGULATOR_AB8500 bool "ST-Ericsson AB8500 Power Regulators" depends on AB8500_CORE diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 680e539f6579..fa449dee90b8 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o obj-$(CONFIG_REGULATOR_CROS_EC) += cros-ec-regulator.o obj-$(CONFIG_REGULATOR_CPCAP) += cpcap-regulator.o obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o -obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o obj-$(CONFIG_REGULATOR_AB8500) += ab8500-ext.o ab8500.o obj-$(CONFIG_REGULATOR_ACT8865) += act8865-regulator.o obj-$(CONFIG_REGULATOR_ACT8945A) += act8945a-regulator.o diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c deleted file mode 100644 index a544f45efe53..000000000000 --- a/drivers/regulator/ab3100.c +++ /dev/null @@ -1,724 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * drivers/regulator/ab3100.c - * - * Copyright (C) 2008-2009 ST-Ericsson AB - * Low-level control of the AB3100 IC Low Dropout (LDO) - * regulators, external regulator and buck converter - * Author: Mattias Wallin - * Author: Linus Walleij - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* LDO registers and some handy masking definitions for AB3100 */ -#define AB3100_LDO_A 0x40 -#define AB3100_LDO_C 0x41 -#define AB3100_LDO_D 0x42 -#define AB3100_LDO_E 0x43 -#define AB3100_LDO_E_SLEEP 0x44 -#define AB3100_LDO_F 0x45 -#define AB3100_LDO_G 0x46 -#define AB3100_LDO_H 0x47 -#define AB3100_LDO_H_SLEEP_MODE 0 -#define AB3100_LDO_H_SLEEP_EN 2 -#define AB3100_LDO_ON 4 -#define AB3100_LDO_H_VSEL_AC 5 -#define AB3100_LDO_K 0x48 -#define AB3100_LDO_EXT 0x49 -#define AB3100_BUCK 0x4A -#define AB3100_BUCK_SLEEP 0x4B -#define AB3100_REG_ON_MASK 0x10 - -/** - * struct ab3100_regulator - * A struct passed around the individual regulator functions - * @platform_device: platform device holding this regulator - * @dev: handle to the device - * @plfdata: AB3100 platform data passed in at probe time - * @regreg: regulator register number in the AB3100 - */ -struct ab3100_regulator { - struct device *dev; - struct ab3100_platform_data *plfdata; - u8 regreg; -}; - -/* The order in which registers are initialized */ -static const u8 ab3100_reg_init_order[AB3100_NUM_REGULATORS+2] = { - AB3100_LDO_A, - AB3100_LDO_C, - AB3100_LDO_E, - AB3100_LDO_E_SLEEP, - AB3100_LDO_F, - AB3100_LDO_G, - AB3100_LDO_H, - AB3100_LDO_K, - AB3100_LDO_EXT, - AB3100_BUCK, - AB3100_BUCK_SLEEP, - AB3100_LDO_D, -}; - -/* Preset (hardware defined) voltages for these regulators */ -#define LDO_A_VOLTAGE 2750000 -#define LDO_C_VOLTAGE 2650000 -#define LDO_D_VOLTAGE 2650000 - -static const unsigned int ldo_e_buck_typ_voltages[] = { - 1800000, - 1400000, - 1300000, - 1200000, - 1100000, - 1050000, - 900000, -}; - -static const unsigned int ldo_f_typ_voltages[] = { - 1800000, - 1400000, - 1300000, - 1200000, - 1100000, - 1050000, - 2500000, - 2650000, -}; - -static const unsigned int ldo_g_typ_voltages[] = { - 2850000, - 2750000, - 1800000, - 1500000, -}; - -static const unsigned int ldo_h_typ_voltages[] = { - 2750000, - 1800000, - 1500000, - 1200000, -}; - -static const unsigned int ldo_k_typ_voltages[] = { - 2750000, - 1800000, -}; - - -/* The regulator devices */ -static struct ab3100_regulator -ab3100_regulators[AB3100_NUM_REGULATORS] = { - { - .regreg = AB3100_LDO_A, - }, - { - .regreg = AB3100_LDO_C, - }, - { - .regreg = AB3100_LDO_D, - }, - { - .regreg = AB3100_LDO_E, - }, - { - .regreg = AB3100_LDO_F, - }, - { - .regreg = AB3100_LDO_G, - }, - { - .regreg = AB3100_LDO_H, - }, - { - .regreg = AB3100_LDO_K, - }, - { - .regreg = AB3100_LDO_EXT, - /* No voltages for the external regulator */ - }, - { - .regreg = AB3100_BUCK, - }, -}; - -/* - * General functions for enable, disable and is_enabled used for - * LDO: A,C,E,F,G,H,K,EXT and BUCK - */ -static int ab3100_enable_regulator(struct regulator_dev *reg) -{ - struct ab3100_regulator *abreg = rdev_get_drvdata(reg); - int err; - u8 regval; - - err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg, - ®val); - if (err) { - dev_warn(®->dev, "failed to get regid %d value\n", - abreg->regreg); - return err; - } - - /* The regulator is already on, no reason to go further */ - if (regval & AB3100_REG_ON_MASK) - return 0; - - regval |= AB3100_REG_ON_MASK; - - err = abx500_set_register_interruptible(abreg->dev, 0, abreg->regreg, - regval); - if (err) { - dev_warn(®->dev, "failed to set regid %d value\n", - abreg->regreg); - return err; - } - - return 0; -} - -static int ab3100_disable_regulator(struct regulator_dev *reg) -{ - struct ab3100_regulator *abreg = rdev_get_drvdata(reg); - int err; - u8 regval; - - /* - * LDO D is a special regulator. When it is disabled, the entire - * system is shut down. So this is handled specially. - */ - pr_info("Called ab3100_disable_regulator\n"); - if (abreg->regreg == AB3100_LDO_D) { - dev_info(®->dev, "disabling LDO D - shut down system\n"); - /* Setting LDO D to 0x00 cuts the power to the SoC */ - return abx500_set_register_interruptible(abreg->dev, 0, - AB3100_LDO_D, 0x00U); - } - - /* - * All other regulators are handled here - */ - err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg, - ®val); - if (err) { - dev_err(®->dev, "unable to get register 0x%x\n", - abreg->regreg); - return err; - } - regval &= ~AB3100_REG_ON_MASK; - return abx500_set_register_interruptible(abreg->dev, 0, abreg->regreg, - regval); -} - -static int ab3100_is_enabled_regulator(struct regulator_dev *reg) -{ - struct ab3100_regulator *abreg = rdev_get_drvdata(reg); - u8 regval; - int err; - - err = abx500_get_register_interruptible(abreg->dev, 0, abreg->regreg, - ®val); - if (err) { - dev_err(®->dev, "unable to get register 0x%x\n", - abreg->regreg); - return err; - } - - return regval & AB3100_REG_ON_MASK; -} - -static int ab3100_get_voltage_regulator(struct regulator_dev *reg) -{ - struct ab3100_regulator *abreg = rdev_get_drvdata(reg); - u8 regval; - int err; - - /* - * For variable types, read out setting and index into - * supplied voltage list. - */ - err = abx500_get_register_interruptible(abreg->dev, 0, - abreg->regreg, ®val); - if (err) { - dev_warn(®->dev, - "failed to get regulator value in register %02x\n", - abreg->regreg); - return err; - } - - /* The 3 highest bits index voltages */ - regval &= 0xE0; - regval >>= 5; - - if (regval >= reg->desc->n_voltages) { - dev_err(®->dev, - "regulator register %02x contains an illegal voltage setting\n", - abreg->regreg); - return -EINVAL; - } - - return reg->desc->volt_table[regval]; -} - -static int ab3100_set_voltage_regulator_sel(struct regulator_dev *reg, - unsigned selector) -{ - struct ab3100_regulator *abreg = rdev_get_drvdata(reg); - u8 regval; - int err; - - err = abx500_get_register_interruptible(abreg->dev, 0, - abreg->regreg, ®val); - if (err) { - dev_warn(®->dev, - "failed to get regulator register %02x\n", - abreg->regreg); - return err; - } - - /* The highest three bits control the variable regulators */ - regval &= ~0xE0; - regval |= (selector << 5); - - err = abx500_set_register_interruptible(abreg->dev, 0, - abreg->regreg, regval); - if (err) - dev_warn(®->dev, "failed to set regulator register %02x\n", - abreg->regreg); - - return err; -} - -static int ab3100_set_suspend_voltage_regulator(struct regulator_dev *reg, - int uV) -{ - struct ab3100_regulator *abreg = rdev_get_drvdata(reg); - u8 regval; - int err; - int bestindex; - u8 targetreg; - - if (abreg->regreg == AB3100_LDO_E) - targetreg = AB3100_LDO_E_SLEEP; - else if (abreg->regreg == AB3100_BUCK) - targetreg = AB3100_BUCK_SLEEP; - else - return -EINVAL; - - /* LDO E and BUCK have special suspend voltages you can set */ - bestindex = regulator_map_voltage_iterate(reg, uV, uV); - - err = abx500_get_register_interruptible(abreg->dev, 0, - targetreg, ®val); - if (err) { - dev_warn(®->dev, - "failed to get regulator register %02x\n", - targetreg); - return err; - } - - /* The highest three bits control the variable regulators */ - regval &= ~0xE0; - regval |= (bestindex << 5); - - err = abx500_set_register_interruptible(abreg->dev, 0, - targetreg, regval); - if (err) - dev_warn(®->dev, "failed to set regulator register %02x\n", - abreg->regreg); - - return err; -} - -/* - * The external regulator can just define a fixed voltage. - */ -static int ab3100_get_voltage_regulator_external(struct regulator_dev *reg) -{ - struct ab3100_regulator *abreg = rdev_get_drvdata(reg); - - if (abreg->plfdata) - return abreg->plfdata->external_voltage; - else - /* TODO: encode external voltage into device tree */ - return 0; -} - -static const struct regulator_ops regulator_ops_fixed = { - .enable = ab3100_enable_regulator, - .disable = ab3100_disable_regulator, - .is_enabled = ab3100_is_enabled_regulator, -}; - -static const struct regulator_ops regulator_ops_variable = { - .enable = ab3100_enable_regulator, - .disable = ab3100_disable_regulator, - .is_enabled = ab3100_is_enabled_regulator, - .get_voltage = ab3100_get_voltage_regulator, - .set_voltage_sel = ab3100_set_voltage_regulator_sel, - .list_voltage = regulator_list_voltage_table, -}; - -static const struct regulator_ops regulator_ops_variable_sleepable = { - .enable = ab3100_enable_regulator, - .disable = ab3100_disable_regulator, - .is_enabled = ab3100_is_enabled_regulator, - .get_voltage = ab3100_get_voltage_regulator, - .set_voltage_sel = ab3100_set_voltage_regulator_sel, - .set_suspend_voltage = ab3100_set_suspend_voltage_regulator, - .list_voltage = regulator_list_voltage_table, -}; - -/* - * LDO EXT is an external regulator so it is really - * not possible to set any voltage locally here, AB3100 - * is an on/off switch plain an simple. The external - * voltage is defined in the board set-up if any. - */ -static const struct regulator_ops regulator_ops_external = { - .enable = ab3100_enable_regulator, - .disable = ab3100_disable_regulator, - .is_enabled = ab3100_is_enabled_regulator, - .get_voltage = ab3100_get_voltage_regulator_external, -}; - -static const struct regulator_desc -ab3100_regulator_desc[AB3100_NUM_REGULATORS] = { - { - .name = "LDO_A", - .id = AB3100_LDO_A, - .ops = ®ulator_ops_fixed, - .n_voltages = 1, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - .fixed_uV = LDO_A_VOLTAGE, - .enable_time = 200, - }, - { - .name = "LDO_C", - .id = AB3100_LDO_C, - .ops = ®ulator_ops_fixed, - .n_voltages = 1, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - .fixed_uV = LDO_C_VOLTAGE, - .enable_time = 200, - }, - { - .name = "LDO_D", - .id = AB3100_LDO_D, - .ops = ®ulator_ops_fixed, - .n_voltages = 1, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - .fixed_uV = LDO_D_VOLTAGE, - .enable_time = 200, - }, - { - .name = "LDO_E", - .id = AB3100_LDO_E, - .ops = ®ulator_ops_variable_sleepable, - .n_voltages = ARRAY_SIZE(ldo_e_buck_typ_voltages), - .volt_table = ldo_e_buck_typ_voltages, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - .enable_time = 200, - }, - { - .name = "LDO_F", - .id = AB3100_LDO_F, - .ops = ®ulator_ops_variable, - .n_voltages = ARRAY_SIZE(ldo_f_typ_voltages), - .volt_table = ldo_f_typ_voltages, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - .enable_time = 600, - }, - { - .name = "LDO_G", - .id = AB3100_LDO_G, - .ops = ®ulator_ops_variable, - .n_voltages = ARRAY_SIZE(ldo_g_typ_voltages), - .volt_table = ldo_g_typ_voltages, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - .enable_time = 400, - }, - { - .name = "LDO_H", - .id = AB3100_LDO_H, - .ops = ®ulator_ops_variable, - .n_voltages = ARRAY_SIZE(ldo_h_typ_voltages), - .volt_table = ldo_h_typ_voltages, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - .enable_time = 200, - }, - { - .name = "LDO_K", - .id = AB3100_LDO_K, - .ops = ®ulator_ops_variable, - .n_voltages = ARRAY_SIZE(ldo_k_typ_voltages), - .volt_table = ldo_k_typ_voltages, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - .enable_time = 200, - }, - { - .name = "LDO_EXT", - .id = AB3100_LDO_EXT, - .ops = ®ulator_ops_external, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - }, - { - .name = "BUCK", - .id = AB3100_BUCK, - .ops = ®ulator_ops_variable_sleepable, - .n_voltages = ARRAY_SIZE(ldo_e_buck_typ_voltages), - .volt_table = ldo_e_buck_typ_voltages, - .type = REGULATOR_VOLTAGE, - .owner = THIS_MODULE, - .enable_time = 1000, - }, -}; - -static int ab3100_regulator_register(struct platform_device *pdev, - struct ab3100_platform_data *plfdata, - struct regulator_init_data *init_data, - struct device_node *np, - unsigned long id) -{ - const struct regulator_desc *desc; - struct ab3100_regulator *reg; - struct regulator_dev *rdev; - struct regulator_config config = { }; - int err, i; - - for (i = 0; i < AB3100_NUM_REGULATORS; i++) { - desc = &ab3100_regulator_desc[i]; - if (desc->id == id) - break; - } - if (desc->id != id) - return -ENODEV; - - /* Same index used for this array */ - reg = &ab3100_regulators[i]; - - /* - * Initialize per-regulator struct. - * Inherit platform data, this comes down from the - * i2c boarddata, from the machine. So if you want to - * see what it looks like for a certain machine, go - * into the machine I2C setup. - */ - reg->dev = &pdev->dev; - if (plfdata) { - reg->plfdata = plfdata; - config.init_data = &plfdata->reg_constraints[i]; - } else if (np) { - config.of_node = np; - config.init_data = init_data; - } - config.dev = &pdev->dev; - config.driver_data = reg; - - rdev = devm_regulator_register(&pdev->dev, desc, &config); - if (IS_ERR(rdev)) { - err = PTR_ERR(rdev); - dev_err(&pdev->dev, - "%s: failed to register regulator %s err %d\n", - __func__, desc->name, - err); - return err; - } - - return 0; -} - -static struct of_regulator_match ab3100_regulator_matches[] = { - { .name = "ab3100_ldo_a", .driver_data = (void *) AB3100_LDO_A, }, - { .name = "ab3100_ldo_c", .driver_data = (void *) AB3100_LDO_C, }, - { .name = "ab3100_ldo_d", .driver_data = (void *) AB3100_LDO_D, }, - { .name = "ab3100_ldo_e", .driver_data = (void *) AB3100_LDO_E, }, - { .name = "ab3100_ldo_f", .driver_data = (void *) AB3100_LDO_F }, - { .name = "ab3100_ldo_g", .driver_data = (void *) AB3100_LDO_G }, - { .name = "ab3100_ldo_h", .driver_data = (void *) AB3100_LDO_H }, - { .name = "ab3100_ldo_k", .driver_data = (void *) AB3100_LDO_K }, - { .name = "ab3100_ext", .driver_data = (void *) AB3100_LDO_EXT }, - { .name = "ab3100_buck", .driver_data = (void *) AB3100_BUCK }, -}; - -/* - * Initial settings of ab3100 registers. - * Common for below LDO regulator settings are that - * bit 7-5 controls voltage. Bit 4 turns regulator ON(1) or OFF(0). - * Bit 3-2 controls sleep enable and bit 1-0 controls sleep mode. - */ -/* LDO_A 0x16: 2.75V, ON, SLEEP_A, SLEEP OFF GND */ -#define LDO_A_SETTING 0x16 -/* LDO_C 0x10: 2.65V, ON, SLEEP_A or B, SLEEP full power */ -#define LDO_C_SETTING 0x10 -/* LDO_D 0x10: 2.65V, ON, sleep mode not used */ -#define LDO_D_SETTING 0x10 -/* LDO_E 0x10: 1.8V, ON, SLEEP_A or B, SLEEP full power */ -#define LDO_E_SETTING 0x10 -/* LDO_E SLEEP 0x00: 1.8V, not used, SLEEP_A or B, not used */ -#define LDO_E_SLEEP_SETTING 0x00 -/* LDO_F 0xD0: 2.5V, ON, SLEEP_A or B, SLEEP full power */ -#define LDO_F_SETTING 0xD0 -/* LDO_G 0x00: 2.85V, OFF, SLEEP_A or B, SLEEP full power */ -#define LDO_G_SETTING 0x00 -/* LDO_H 0x18: 2.75V, ON, SLEEP_B, SLEEP full power */ -#define LDO_H_SETTING 0x18 -/* LDO_K 0x00: 2.75V, OFF, SLEEP_A or B, SLEEP full power */ -#define LDO_K_SETTING 0x00 -/* LDO_EXT 0x00: Voltage not set, OFF, not used, not used */ -#define LDO_EXT_SETTING 0x00 -/* BUCK 0x7D: 1.2V, ON, SLEEP_A and B, SLEEP low power */ -#define BUCK_SETTING 0x7D -/* BUCK SLEEP 0xAC: 1.05V, Not used, SLEEP_A and B, Not used */ -#define BUCK_SLEEP_SETTING 0xAC - -static const u8 ab3100_reg_initvals[] = { - LDO_A_SETTING, - LDO_C_SETTING, - LDO_E_SETTING, - LDO_E_SLEEP_SETTING, - LDO_F_SETTING, - LDO_G_SETTING, - LDO_H_SETTING, - LDO_K_SETTING, - LDO_EXT_SETTING, - BUCK_SETTING, - BUCK_SLEEP_SETTING, - LDO_D_SETTING, -}; - -static int -ab3100_regulator_of_probe(struct platform_device *pdev, struct device_node *np) -{ - int err, i; - - /* - * Set up the regulator registers, as was previously done with - * platform data. - */ - /* Set up regulators */ - for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) { - err = abx500_set_register_interruptible(&pdev->dev, 0, - ab3100_reg_init_order[i], - ab3100_reg_initvals[i]); - if (err) { - dev_err(&pdev->dev, "regulator initialization failed with error %d\n", - err); - return err; - } - } - - for (i = 0; i < ARRAY_SIZE(ab3100_regulator_matches); i++) { - err = ab3100_regulator_register( - pdev, NULL, ab3100_regulator_matches[i].init_data, - ab3100_regulator_matches[i].of_node, - (unsigned long)ab3100_regulator_matches[i].driver_data); - if (err) - return err; - } - - return 0; -} - - -static int ab3100_regulators_probe(struct platform_device *pdev) -{ - struct ab3100_platform_data *plfdata = dev_get_platdata(&pdev->dev); - struct device_node *np = pdev->dev.of_node; - int err = 0; - u8 data; - int i; - - /* Check chip state */ - err = abx500_get_register_interruptible(&pdev->dev, 0, - AB3100_LDO_D, &data); - if (err) { - dev_err(&pdev->dev, "could not read initial status of LDO_D\n"); - return err; - } - if (data & 0x10) - dev_notice(&pdev->dev, - "chip is already in active mode (Warm start)\n"); - else - dev_notice(&pdev->dev, - "chip is in inactive mode (Cold start)\n"); - - if (np) { - err = of_regulator_match(&pdev->dev, np, - ab3100_regulator_matches, - ARRAY_SIZE(ab3100_regulator_matches)); - if (err < 0) { - dev_err(&pdev->dev, - "Error parsing regulator init data: %d\n", err); - return err; - } - return ab3100_regulator_of_probe(pdev, np); - } - - /* Set up regulators */ - for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) { - err = abx500_set_register_interruptible(&pdev->dev, 0, - ab3100_reg_init_order[i], - plfdata->reg_initvals[i]); - if (err) { - dev_err(&pdev->dev, "regulator initialization failed with error %d\n", - err); - return err; - } - } - - /* Register the regulators */ - for (i = 0; i < AB3100_NUM_REGULATORS; i++) { - const struct regulator_desc *desc = &ab3100_regulator_desc[i]; - - err = ab3100_regulator_register(pdev, plfdata, NULL, NULL, - desc->id); - if (err) - return err; - } - - return 0; -} - -static struct platform_driver ab3100_regulators_driver = { - .driver = { - .name = "ab3100-regulators", - }, - .probe = ab3100_regulators_probe, -}; - -static __init int ab3100_regulators_init(void) -{ - return platform_driver_register(&ab3100_regulators_driver); -} - -static __exit void ab3100_regulators_exit(void) -{ - platform_driver_unregister(&ab3100_regulators_driver); -} - -subsys_initcall(ab3100_regulators_init); -module_exit(ab3100_regulators_exit); - -MODULE_AUTHOR("Mattias Wallin "); -MODULE_DESCRIPTION("AB3100 Regulator driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:ab3100-regulators"); -- 2.29.2