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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D073AC433EF for ; Tue, 19 Jul 2022 09:18:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237227AbiGSJS0 (ORCPT ); Tue, 19 Jul 2022 05:18:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237161AbiGSJSG (ORCPT ); Tue, 19 Jul 2022 05:18:06 -0400 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A91981FCF9 for ; Tue, 19 Jul 2022 02:18:04 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id h17so20702220wrx.0 for ; Tue, 19 Jul 2022 02:18:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/07SUoCI6X7iG6K8uKCiWPvNEQM+BoUmXGrgARsVq/o=; b=bjDfQ58kfiSFgmMxJX+MLvv/knO1V0kO3lONwkLiwz5SGSB9f+iAOw8pdDlsdQOgDj CukIJa7TQRcyZlKiqP/dX1QAtGS3qcU0dciEKeiMY//YiyVW7NM0Oe9Fjizzsub2s5OG XqujFouATedGw+MqpJz22QcuLJwx6CT+AN446+OfUjiJQCslrJm/2W7UsdxzNcnVA3t/ j+yT+v+ejjCrIdQoQJ2iUnTPs1QgL2OUC29zVUxAUBK0OjMoeMCkqo0dDBITLI7fO5Cb bJNuATs1ZoaIl0GzAMPorUBGmo+6kyL2ddllev++qe1Vmmy/b7GML1Ulz6vh75G5ZU4d noQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=/07SUoCI6X7iG6K8uKCiWPvNEQM+BoUmXGrgARsVq/o=; b=laJykPYU9yofRFxmpTFH27XMCmt+ob5HzZBhGAzjZ3YBJkkAY/raBhu1SMTaG3lSfm XUtIuKkuIiT6en6A9XZLnQfvtiPRiutSnOUSxGhp/ZC7QKZD0Yb2nExus1ie4mC5UTal Tk/DC1AcLxhqmJPMluhuE5Vh4cvLJXzg1B5PqoIoRNT7QUqK5orfIbcxBFC7WitadRuG lm/oIgYv0y7RQkPYUKFD+o8BHgRi+PmXbw3pnBqh18kMPNhqWoYmIq/U5q+CdAr6m1XV 6oWWTpAKqfqp4WkWJsau1r4UAfnw/7ALhWCXWVo+kXXLeTw/2sMgc+Vz1m4rDjW4zzQl ROMw== X-Gm-Message-State: AJIora+xr5ZWZmueN8Iokqh27/Bugp75QVuAuIaseQUoWd8BO5lbyan6 xqLn6XFqk7gL7ISsLVDFMfPQnw== X-Google-Smtp-Source: AGRyM1sMAyjb/ahsiNVJaSlED1YWLnLLwz2R682jO4IoVpT24rsu8Nc3l3IaE4sG2rTUAG9LHifHWA== X-Received: by 2002:a05:6000:1447:b0:21d:b22b:e5d with SMTP id v7-20020a056000144700b0021db22b0e5dmr24879791wrx.189.1658222283145; Tue, 19 Jul 2022 02:18:03 -0700 (PDT) Received: from localhost.localdomain (192.201.68.85.rev.sfr.net. [85.68.201.192]) by smtp.gmail.com with ESMTPSA id bk19-20020a0560001d9300b0021d63fe0f03sm12944281wrb.12.2022.07.19.02.18.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Jul 2022 02:18:02 -0700 (PDT) From: Jerome Neanne To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, nm@ti.com, kristo@kernel.org Cc: khilman@baylibre.com, narmstrong@baylibre.com, msp@baylibre.com, j-keerthy@ti.c, lee.jones@linaro.org, jneanne@baylibre.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 08/14] regulator: drivers: Add TI TPS65219 PMIC regulators support Date: Tue, 19 Jul 2022 11:17:36 +0200 Message-Id: <20220719091742.3221-9-jneanne@baylibre.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220719091742.3221-1-jneanne@baylibre.com> References: <20220719091742.3221-1-jneanne@baylibre.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The regulators set consists of 3 bucks DCDCs and 4 LDOs. The output voltages are configurable and are meant to supply power to the main processor and other components. Validation: Visual check: cat /sys/kernel/debug/regulator/regulator_summary Validation: userspace-consumer and virtual-regulator required to test further Enable/Disable: cat /sys/devices/platform/userspace-consumer-VDDSHV_SD_IO_PMIC/state echo disabled > /sys/devices/platform/ userspace-consumer-VDDSHV_SD_IO_PMIC/state echo enabled > /sys/devices/platform/ userspace-consumer-VDDSHV_SD_IO_PMIC/state Change voltage: cat /sys/devices/platform/regulator-virtual-ldo1/min_microvolts echo 1000000 > /sys/devices/platform/regulator-virtual-ldo1/ min_microvolts echo 3000000 > /sys/devices/platform/regulator-virtual-ldo1/ max_microvolts Signed-off-by: Jerome Neanne --- MAINTAINERS | 1 + drivers/regulator/Kconfig | 9 + drivers/regulator/Makefile | 1 + drivers/regulator/tps65219-regulator.c | 414 +++++++++++++++++++++++++ 4 files changed, 425 insertions(+) create mode 100644 drivers/regulator/tps65219-regulator.c diff --git a/MAINTAINERS b/MAINTAINERS index 7786186d9439..2e6ee583f3ff 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14721,6 +14721,7 @@ F: drivers/regulator/palmas-regulator*.c F: drivers/regulator/pbias-regulator.c F: drivers/regulator/tps65217-regulator.c F: drivers/regulator/tps65218-regulator.c +F: drivers/regulator/tps65219-regulator.c F: drivers/regulator/tps65910-regulator.c F: drivers/regulator/twl-regulator.c F: drivers/regulator/twl6030-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index cbe0f96ca342..9b46c3465c46 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1356,6 +1356,15 @@ config REGULATOR_TPS65218 voltage regulators. It supports software based voltage control for different voltage domains +config REGULATOR_TPS65219 + tristate "TI TPS65219 Power regulators" + depends on MFD_TPS65219 && OF + help + This driver supports TPS65219 voltage regulator chips. + TPS65219 series of PMICs have 3 single phase BUCKs & 4 LDOs + voltage regulators. It supports software based voltage control + for different voltage domains. + config REGULATOR_TPS6524X tristate "TI TPS6524X Power regulators" depends on SPI diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 8d3ee8b6d41d..f2e8509a8f89 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -159,6 +159,7 @@ obj-$(CONFIG_REGULATOR_TPS65086) += tps65086-regulator.o obj-$(CONFIG_REGULATOR_TPS65090) += tps65090-regulator.o obj-$(CONFIG_REGULATOR_TPS65217) += tps65217-regulator.o obj-$(CONFIG_REGULATOR_TPS65218) += tps65218-regulator.o +obj-$(CONFIG_REGULATOR_TPS65219) += tps65219-regulator.o obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o diff --git a/drivers/regulator/tps65219-regulator.c b/drivers/regulator/tps65219-regulator.c new file mode 100644 index 000000000000..a35c86c4df68 --- /dev/null +++ b/drivers/regulator/tps65219-regulator.c @@ -0,0 +1,414 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * tps65219-regulator.c + * + * Regulator driver for TPS65219 PMIC + * + * Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/ + */ + +/* This implementation derived from tps65218 authored by "J Keerthy " */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct tps65219_regulator_irq_type { + const char *irq_name; + const char *regulator_name; + const char *event_name; +}; + +struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { + { "LDO3_SCG", "LDO3", "short circuit to ground" }, + { "LDO3_OC", "LDO3", "overcurrent" }, + { "LDO3_UV", "LDO3", "undervoltage" }, + { "LDO4_SCG", "LDO4", "short circuit to ground" }, + { "LDO4_OC", "LDO4", "overcurrent" }, + { "LDO4_UV", "LDO4", "undervoltage" }, + { "LDO1_SCG", "LDO1", "short circuit to ground" }, + { "LDO1_OC", "LDO1", "overcurrent" }, + { "LDO1_UV", "LDO1", "undervoltage" }, + { "LDO2_SCG", "LDO2", "short circuit to ground" }, + { "LDO2_OC", "LDO2", "overcurrent" }, + { "LDO2_UV", "LDO2", "undervoltage" }, + { "BUCK3_SCG", "BUCK3", "short circuit to ground" }, + { "BUCK3_OC", "BUCK3", "overcurrent" }, + { "BUCK3_NEG_OC", "BUCK3", "negative overcurrent" }, + { "BUCK3_UV", "BUCK3", "undervoltage" }, + { "BUCK1_SCG", "BUCK1", "short circuit to ground" }, + { "BUCK1_OC", "BUCK1", "overcurrent" }, + { "BUCK1_NEG_OC", "BUCK1", "negative overcurrent" }, + { "BUCK1_UV", "BUCK1", "undervoltage" }, + { "BUCK2_SCG", "BUCK2", "short circuit to ground" }, + { "BUCK2_OC", "BUCK2", "overcurrent" }, + { "BUCK2_NEG_OC", "BUCK2", "negative overcurrent" }, + { "BUCK2_UV", "BUCK2", "undervoltage" }, + { "BUCK1_RV", "BUCK1", "residual voltage" }, + { "BUCK2_RV", "BUCK2", "residual voltage" }, + { "BUCK3_RV", "BUCK3", "residual voltage" }, + { "LDO1_RV", "LDO1", "residual voltage" }, + { "LDO2_RV", "LDO2", "residual voltage" }, + { "LDO3_RV", "LDO3", "residual voltage" }, + { "LDO4_RV", "LDO4", "residual voltage" }, + { "BUCK1_RV_SD", "BUCK1", "residual voltage on shutdown" }, + { "BUCK2_RV_SD", "BUCK2", "residual voltage on shutdown" }, + { "BUCK3_RV_SD", "BUCK3", "residual voltage on shutdown" }, + { "LDO1_RV_SD", "LDO1", "residual voltage on shutdown" }, + { "LDO2_RV_SD", "LDO2", "residual voltage on shutdown" }, + { "LDO3_RV_SD", "LDO3", "residual voltage on shutdown" }, + { "LDO4_RV_SD", "LDO4", "residual voltage on shutdown" }, + { "SENSOR_3_WARM", "SENSOR3", "warm temperature" }, + { "SENSOR_2_WARM", "SENSOR2", "warm temperature" }, + { "SENSOR_1_WARM", "SENSOR1", "warm temperature" }, + { "SENSOR_0_WARM", "SENSOR0", "warm temperature" }, + { "SENSOR_3_HOT", "SENSOR3", "hot temperature" }, + { "SENSOR_2_HOT", "SENSOR2", "hot temperature" }, + { "SENSOR_1_HOT", "SENSOR1", "hot temperature" }, + { "SENSOR_0_HOT", "SENSOR0", "hot temperature" }, + { "TIMEOUT", "", "" }, +}; + +struct tps65219_regulator_irq_data { + struct device *dev; + struct tps65219_regulator_irq_type *type; +}; + +#define TPS65219_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \ + _em, _cr, _cm, _lr, _nlr, _delay, _fuv, \ + _ct, _ncl, _bpm) \ + { \ + .name = _name, \ + .of_match = _of, \ + .regulators_node = of_match_ptr("regulators"), \ + .supply_name = _of, \ + .id = _id, \ + .ops = &(_ops), \ + .n_voltages = _n, \ + .type = _type, \ + .owner = THIS_MODULE, \ + .vsel_reg = _vr, \ + .vsel_mask = _vm, \ + .csel_reg = _cr, \ + .csel_mask = _cm, \ + .curr_table = _ct, \ + .n_current_limits = _ncl, \ + .enable_reg = _er, \ + .enable_mask = _em, \ + .volt_table = NULL, \ + .linear_ranges = _lr, \ + .n_linear_ranges = _nlr, \ + .ramp_delay = _delay, \ + .fixed_uV = _fuv, \ + .bypass_reg = _vr, \ + .bypass_mask = _bpm, \ + .bypass_val_on = 1, \ + } \ + +static const struct linear_range bucks_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x1f, 25000), + REGULATOR_LINEAR_RANGE(1400000, 0x20, 0x33, 100000), + REGULATOR_LINEAR_RANGE(3400000, 0x34, 0x3f, 0), +}; + +static const struct linear_range ldos_1_2_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x37, 50000), + REGULATOR_LINEAR_RANGE(3400000, 0x38, 0x3f, 0), +}; + +static const struct linear_range ldos_3_4_ranges[] = { + REGULATOR_LINEAR_RANGE(1200000, 0x0, 0xC, 0), + REGULATOR_LINEAR_RANGE(1250000, 0xD, 0x35, 50000), + REGULATOR_LINEAR_RANGE(3300000, 0x36, 0x3F, 0), +}; + +static int tps65219_pmic_set_voltage_sel(struct regulator_dev *dev, + unsigned int selector) +{ + int ret; + struct tps65219 *tps = rdev_get_drvdata(dev); + + /* Set the voltage based on vsel value */ + ret = regmap_update_bits(tps->regmap, dev->desc->vsel_reg, + dev->desc->vsel_mask, selector); + if (ret) { + dev_dbg(tps->dev, "%s failed for regulator %s: %d ", + __func__, dev->desc->name, ret); + } + return ret; +} + +static int tps65219_pmic_enable(struct regulator_dev *dev) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + + return regmap_set_bits(tps->regmap, dev->desc->enable_reg, + dev->desc->enable_mask); +} + +static int tps65219_pmic_disable(struct regulator_dev *dev) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + + return regmap_clear_bits(tps->regmap, dev->desc->enable_reg, + dev->desc->enable_mask); +} + +static int tps65219_set_mode(struct regulator_dev *dev, unsigned int mode) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + + switch (mode) { + case REGULATOR_MODE_NORMAL: + return regmap_set_bits(tps->regmap, TPS65219_REG_STBY_1_CONFIG, + dev->desc->enable_mask); + + case REGULATOR_MODE_STANDBY: + return regmap_clear_bits(tps->regmap, + TPS65219_REG_STBY_1_CONFIG, + dev->desc->enable_mask); + } + + return -EINVAL; +} + +static unsigned int tps65219_get_mode(struct regulator_dev *dev) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + int ret, value = 0; + + ret = regmap_read(tps->regmap, TPS65219_REG_STBY_1_CONFIG, &value); + if (ret) { + dev_dbg(tps->dev, "%s failed for regulator %s: %d ", + __func__, dev->desc->name, ret); + return ret; + } + value = (value & BIT(rid)) >> rid; + if (value) + return REGULATOR_MODE_STANDBY; + else + return REGULATOR_MODE_NORMAL; +} + +/* + * generic regulator_set_bypass_regmap does not fully match requirements + * TPS65219 Requires explicitly that regulator is disabled before switch + */ +static int tps65219_set_bypass(struct regulator_dev *dev, bool enable) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + int ret = 0; + + if (dev->desc->ops->enable) { + dev_err(tps->dev, + "%s LDO%d enabled, must be shut down to set bypass ", + __func__, rid); + return -EBUSY; + } + ret = regulator_set_bypass_regmap(dev, enable); + return ret; +} + +/* Operations permitted on BUCK1/2/3 */ +static const struct regulator_ops tps65219_bucks_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = tps65219_pmic_enable, + .disable = tps65219_pmic_disable, + .set_mode = tps65219_set_mode, + .get_mode = tps65219_get_mode, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = tps65219_pmic_set_voltage_sel, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + +}; + +/* Operations permitted on LDO1/2 */ +static const struct regulator_ops tps65219_ldos_1_2_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = tps65219_pmic_enable, + .disable = tps65219_pmic_disable, + .set_mode = tps65219_set_mode, + .get_mode = tps65219_get_mode, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = tps65219_pmic_set_voltage_sel, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_bypass = tps65219_set_bypass, + .get_bypass = regulator_get_bypass_regmap, +}; + +/* Operations permitted on LDO3/4 */ +static const struct regulator_ops tps65219_ldos_3_4_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = tps65219_pmic_enable, + .disable = tps65219_pmic_disable, + .set_mode = tps65219_set_mode, + .get_mode = tps65219_get_mode, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = tps65219_pmic_set_voltage_sel, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, +}; + +static const struct regulator_desc regulators[] = { + TPS65219_REGULATOR("BUCK1", "buck1", TPS65219_BUCK_1, + REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + TPS65219_REG_BUCK1_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_BUCK1_EN_MASK, 0, 0, bucks_ranges, + 3, 4000, 0, NULL, 0, 0), + TPS65219_REGULATOR("BUCK2", "buck2", TPS65219_BUCK_2, + REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + TPS65219_REG_BUCK2_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_BUCK2_EN_MASK, 0, 0, bucks_ranges, + 3, 4000, 0, NULL, 0, 0), + TPS65219_REGULATOR("BUCK3", "buck3", TPS65219_BUCK_3, + REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + TPS65219_REG_BUCK3_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_BUCK3_EN_MASK, 0, 0, bucks_ranges, + 3, 0, 0, NULL, 0, 0), + TPS65219_REGULATOR("LDO1", "ldo1", TPS65219_LDO_1, + REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64, + TPS65219_REG_LDO1_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO1_EN_MASK, 0, 0, ldos_1_2_ranges, + 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), + TPS65219_REGULATOR("LDO2", "ldo2", TPS65219_LDO_2, + REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64, + TPS65219_REG_LDO2_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO2_EN_MASK, 0, 0, ldos_1_2_ranges, + 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), + TPS65219_REGULATOR("LDO3", "ldo3", TPS65219_LDO_3, + REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, + TPS65219_REG_LDO3_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO3_EN_MASK, 0, 0, ldos_3_4_ranges, + 3, 0, 0, NULL, 0, 0), + TPS65219_REGULATOR("LDO4", "ldo4", TPS65219_LDO_4, + REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, + TPS65219_REG_LDO4_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO4_EN_MASK, 0, 0, ldos_3_4_ranges, + 3, 0, 0, NULL, 0, 0), +}; + +static irqreturn_t tps65219_regulator_irq_handler(int irq, void *data) +{ + struct tps65219_regulator_irq_data *irq_data = data; + + if (irq_data->type->event_name[0] == '\0') { + /* This is the timeout interrupt */ + dev_err(irq_data->dev, "System was put in shutdown during an active or standby transition.\n"); + return IRQ_HANDLED; + } + + dev_err(irq_data->dev, "Registered %s for %s\n", + irq_data->type->event_name, irq_data->type->regulator_name); + return IRQ_HANDLED; +} + +static int tps65219_regulator_probe(struct platform_device *pdev) +{ + struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent); + struct regulator_dev *rdev; + struct regulator_config config = { }; + int i; + int error; + int irq; + struct tps65219_regulator_irq_data *irq_data; + struct tps65219_regulator_irq_type *irq_type; + + config.dev = tps->dev; + config.driver_data = tps; + config.regmap = tps->regmap; + + for (i = 0; i < ARRAY_SIZE(regulators); i++) { + dev_dbg(tps->dev, "%s regul i= %d START", __func__, i); + rdev = devm_regulator_register(&pdev->dev, ®ulators[i], + &config); + if (IS_ERR(rdev)) { + dev_err(tps->dev, "failed to register %s regulator\n", + pdev->name); + return PTR_ERR(rdev); + } + + dev_dbg(tps->dev, "%s regul i= %d COMPLETED", __func__, i); + } + + irq_data = devm_kmalloc(tps->dev, + ARRAY_SIZE(tps65219_regulator_irq_types) * + sizeof(struct tps65219_regulator_irq_data), + GFP_KERNEL); + if (!irq_data) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(tps65219_regulator_irq_types); ++i) { + irq_type = &tps65219_regulator_irq_types[i]; + + irq = platform_get_irq_byname(pdev, irq_type->irq_name); + if (irq < 0) { + dev_err(tps->dev, "Failed to get IRQ %s: %d\n", + irq_type->irq_name, irq); + return -EINVAL; + } + irq_data[i].dev = tps->dev; + irq_data[i].type = irq_type; + + error = devm_request_threaded_irq(tps->dev, irq, NULL, + tps65219_regulator_irq_handler, + IRQF_ONESHOT, + irq_type->irq_name, + &irq_data[i]); + if (error) { + dev_err(tps->dev, "failed to request %s IRQ %d: %d\n", + irq_type->irq_name, irq, error); + return error; + } + } + + return 0; +} + +static const struct platform_device_id tps65219_regulator_id_table[] = { + { "tps65219-regulator", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, tps65219_regulator_id_table); + +static struct platform_driver tps65219_regulator_driver = { + .driver = { + .name = "tps65219-pmic", + }, + .probe = tps65219_regulator_probe, + .id_table = tps65219_regulator_id_table, +}; + +module_platform_driver(tps65219_regulator_driver); + +MODULE_AUTHOR("Jerome Neanne "); +MODULE_DESCRIPTION("TPS65219 voltage regulator driver"); +MODULE_ALIAS("platform:tps65219-pmic"); +MODULE_LICENSE("GPL"); -- 2.17.1 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9B12EC433EF for ; Tue, 19 Jul 2022 09:21:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=dIqPshRochhKP1UzNIvstiR1A4zIvL1wiYK2/PI8jrk=; b=DrV5Po8azNhFth 6UMSOy4lJMtC9D2r1326xxCKBn8qWiHTD9sutSaAtSfWoFHsuleN14KpTZA9jbEiLmkLaC9dT33rS 9EyIfmJi+YEPtGbeuJxRNoNm3Ay0b41pxtSZdZpnaWNA9PQIQYliUKKnyNfCzDN0d7yXM7eKBio3/ wOMW+hbEFPaklFbg2I+2nZEfMfvVD+ACmtqUV9M2OVBB/yhitQ/6WugeX+oofXlKsnxU02l9ux87N NCzOQqERihAD28bdZbEnTNTmnIN3tde4hNW472BSvn1YAl+TFtWqc/zffzxvDBQhQBDgmYyRiMSqd OLjnaFBqiFsmrA7VkXlg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oDjOs-007EMx-PO; Tue, 19 Jul 2022 09:20:18 +0000 Received: from mail-wr1-x42a.google.com ([2a00:1450:4864:20::42a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oDjMi-007BRG-E8 for linux-arm-kernel@lists.infradead.org; Tue, 19 Jul 2022 09:18:07 +0000 Received: by mail-wr1-x42a.google.com with SMTP id b26so20664578wrc.2 for ; Tue, 19 Jul 2022 02:18:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/07SUoCI6X7iG6K8uKCiWPvNEQM+BoUmXGrgARsVq/o=; b=bjDfQ58kfiSFgmMxJX+MLvv/knO1V0kO3lONwkLiwz5SGSB9f+iAOw8pdDlsdQOgDj CukIJa7TQRcyZlKiqP/dX1QAtGS3qcU0dciEKeiMY//YiyVW7NM0Oe9Fjizzsub2s5OG XqujFouATedGw+MqpJz22QcuLJwx6CT+AN446+OfUjiJQCslrJm/2W7UsdxzNcnVA3t/ j+yT+v+ejjCrIdQoQJ2iUnTPs1QgL2OUC29zVUxAUBK0OjMoeMCkqo0dDBITLI7fO5Cb bJNuATs1ZoaIl0GzAMPorUBGmo+6kyL2ddllev++qe1Vmmy/b7GML1Ulz6vh75G5ZU4d noQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=/07SUoCI6X7iG6K8uKCiWPvNEQM+BoUmXGrgARsVq/o=; b=g7Wj53WCmjhTzCXiazqCM3veAcLoOHea++eX+NFBFUMWDSTkgffasK/PL3gE2rxdML cCkEFGT6bl4Dn05DBrGwDSvcRlRTO1fugauZGwyEkaDWTKBq9wNfsQM06rYK05OwnZAV uO+A6yLLx4lQjSn1fAk0lzUJQq2v2XEPlpyulTFKSwo/VMMyS0pIdxshSmXa5TZDHb/3 1+psHdyAl1M4CG88S39/VzuTGo448twpez1P7ptNEJsrVCSYORVK5R/IL4/j6lsKzxSD eL1IUiLQFG27HZXzk9cXltx9lmp5ikaV/zel7Lc0ozLBD3c0OxN5wqUJo9NhBd2KylTR 6Adw== X-Gm-Message-State: AJIora+r4QyMRpMWNJQ122C+h4H9Eanef28BuK8w37Lwi0HlFfrXGuZx adO6NA7SvvS0zqyamVHBpvNWjA== X-Google-Smtp-Source: AGRyM1sMAyjb/ahsiNVJaSlED1YWLnLLwz2R682jO4IoVpT24rsu8Nc3l3IaE4sG2rTUAG9LHifHWA== X-Received: by 2002:a05:6000:1447:b0:21d:b22b:e5d with SMTP id v7-20020a056000144700b0021db22b0e5dmr24879791wrx.189.1658222283145; Tue, 19 Jul 2022 02:18:03 -0700 (PDT) Received: from localhost.localdomain (192.201.68.85.rev.sfr.net. [85.68.201.192]) by smtp.gmail.com with ESMTPSA id bk19-20020a0560001d9300b0021d63fe0f03sm12944281wrb.12.2022.07.19.02.18.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Jul 2022 02:18:02 -0700 (PDT) From: Jerome Neanne To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, nm@ti.com, kristo@kernel.org Cc: khilman@baylibre.com, narmstrong@baylibre.com, msp@baylibre.com, j-keerthy@ti.c, lee.jones@linaro.org, jneanne@baylibre.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 08/14] regulator: drivers: Add TI TPS65219 PMIC regulators support Date: Tue, 19 Jul 2022 11:17:36 +0200 Message-Id: <20220719091742.3221-9-jneanne@baylibre.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220719091742.3221-1-jneanne@baylibre.com> References: <20220719091742.3221-1-jneanne@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220719_021804_645898_65D678BE X-CRM114-Status: GOOD ( 21.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The regulators set consists of 3 bucks DCDCs and 4 LDOs. The output voltages are configurable and are meant to supply power to the main processor and other components. Validation: Visual check: cat /sys/kernel/debug/regulator/regulator_summary Validation: userspace-consumer and virtual-regulator required to test further Enable/Disable: cat /sys/devices/platform/userspace-consumer-VDDSHV_SD_IO_PMIC/state echo disabled > /sys/devices/platform/ userspace-consumer-VDDSHV_SD_IO_PMIC/state echo enabled > /sys/devices/platform/ userspace-consumer-VDDSHV_SD_IO_PMIC/state Change voltage: cat /sys/devices/platform/regulator-virtual-ldo1/min_microvolts echo 1000000 > /sys/devices/platform/regulator-virtual-ldo1/ min_microvolts echo 3000000 > /sys/devices/platform/regulator-virtual-ldo1/ max_microvolts Signed-off-by: Jerome Neanne --- MAINTAINERS | 1 + drivers/regulator/Kconfig | 9 + drivers/regulator/Makefile | 1 + drivers/regulator/tps65219-regulator.c | 414 +++++++++++++++++++++++++ 4 files changed, 425 insertions(+) create mode 100644 drivers/regulator/tps65219-regulator.c diff --git a/MAINTAINERS b/MAINTAINERS index 7786186d9439..2e6ee583f3ff 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14721,6 +14721,7 @@ F: drivers/regulator/palmas-regulator*.c F: drivers/regulator/pbias-regulator.c F: drivers/regulator/tps65217-regulator.c F: drivers/regulator/tps65218-regulator.c +F: drivers/regulator/tps65219-regulator.c F: drivers/regulator/tps65910-regulator.c F: drivers/regulator/twl-regulator.c F: drivers/regulator/twl6030-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index cbe0f96ca342..9b46c3465c46 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1356,6 +1356,15 @@ config REGULATOR_TPS65218 voltage regulators. It supports software based voltage control for different voltage domains +config REGULATOR_TPS65219 + tristate "TI TPS65219 Power regulators" + depends on MFD_TPS65219 && OF + help + This driver supports TPS65219 voltage regulator chips. + TPS65219 series of PMICs have 3 single phase BUCKs & 4 LDOs + voltage regulators. It supports software based voltage control + for different voltage domains. + config REGULATOR_TPS6524X tristate "TI TPS6524X Power regulators" depends on SPI diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 8d3ee8b6d41d..f2e8509a8f89 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -159,6 +159,7 @@ obj-$(CONFIG_REGULATOR_TPS65086) += tps65086-regulator.o obj-$(CONFIG_REGULATOR_TPS65090) += tps65090-regulator.o obj-$(CONFIG_REGULATOR_TPS65217) += tps65217-regulator.o obj-$(CONFIG_REGULATOR_TPS65218) += tps65218-regulator.o +obj-$(CONFIG_REGULATOR_TPS65219) += tps65219-regulator.o obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o diff --git a/drivers/regulator/tps65219-regulator.c b/drivers/regulator/tps65219-regulator.c new file mode 100644 index 000000000000..a35c86c4df68 --- /dev/null +++ b/drivers/regulator/tps65219-regulator.c @@ -0,0 +1,414 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * tps65219-regulator.c + * + * Regulator driver for TPS65219 PMIC + * + * Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/ + */ + +/* This implementation derived from tps65218 authored by "J Keerthy " */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct tps65219_regulator_irq_type { + const char *irq_name; + const char *regulator_name; + const char *event_name; +}; + +struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { + { "LDO3_SCG", "LDO3", "short circuit to ground" }, + { "LDO3_OC", "LDO3", "overcurrent" }, + { "LDO3_UV", "LDO3", "undervoltage" }, + { "LDO4_SCG", "LDO4", "short circuit to ground" }, + { "LDO4_OC", "LDO4", "overcurrent" }, + { "LDO4_UV", "LDO4", "undervoltage" }, + { "LDO1_SCG", "LDO1", "short circuit to ground" }, + { "LDO1_OC", "LDO1", "overcurrent" }, + { "LDO1_UV", "LDO1", "undervoltage" }, + { "LDO2_SCG", "LDO2", "short circuit to ground" }, + { "LDO2_OC", "LDO2", "overcurrent" }, + { "LDO2_UV", "LDO2", "undervoltage" }, + { "BUCK3_SCG", "BUCK3", "short circuit to ground" }, + { "BUCK3_OC", "BUCK3", "overcurrent" }, + { "BUCK3_NEG_OC", "BUCK3", "negative overcurrent" }, + { "BUCK3_UV", "BUCK3", "undervoltage" }, + { "BUCK1_SCG", "BUCK1", "short circuit to ground" }, + { "BUCK1_OC", "BUCK1", "overcurrent" }, + { "BUCK1_NEG_OC", "BUCK1", "negative overcurrent" }, + { "BUCK1_UV", "BUCK1", "undervoltage" }, + { "BUCK2_SCG", "BUCK2", "short circuit to ground" }, + { "BUCK2_OC", "BUCK2", "overcurrent" }, + { "BUCK2_NEG_OC", "BUCK2", "negative overcurrent" }, + { "BUCK2_UV", "BUCK2", "undervoltage" }, + { "BUCK1_RV", "BUCK1", "residual voltage" }, + { "BUCK2_RV", "BUCK2", "residual voltage" }, + { "BUCK3_RV", "BUCK3", "residual voltage" }, + { "LDO1_RV", "LDO1", "residual voltage" }, + { "LDO2_RV", "LDO2", "residual voltage" }, + { "LDO3_RV", "LDO3", "residual voltage" }, + { "LDO4_RV", "LDO4", "residual voltage" }, + { "BUCK1_RV_SD", "BUCK1", "residual voltage on shutdown" }, + { "BUCK2_RV_SD", "BUCK2", "residual voltage on shutdown" }, + { "BUCK3_RV_SD", "BUCK3", "residual voltage on shutdown" }, + { "LDO1_RV_SD", "LDO1", "residual voltage on shutdown" }, + { "LDO2_RV_SD", "LDO2", "residual voltage on shutdown" }, + { "LDO3_RV_SD", "LDO3", "residual voltage on shutdown" }, + { "LDO4_RV_SD", "LDO4", "residual voltage on shutdown" }, + { "SENSOR_3_WARM", "SENSOR3", "warm temperature" }, + { "SENSOR_2_WARM", "SENSOR2", "warm temperature" }, + { "SENSOR_1_WARM", "SENSOR1", "warm temperature" }, + { "SENSOR_0_WARM", "SENSOR0", "warm temperature" }, + { "SENSOR_3_HOT", "SENSOR3", "hot temperature" }, + { "SENSOR_2_HOT", "SENSOR2", "hot temperature" }, + { "SENSOR_1_HOT", "SENSOR1", "hot temperature" }, + { "SENSOR_0_HOT", "SENSOR0", "hot temperature" }, + { "TIMEOUT", "", "" }, +}; + +struct tps65219_regulator_irq_data { + struct device *dev; + struct tps65219_regulator_irq_type *type; +}; + +#define TPS65219_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \ + _em, _cr, _cm, _lr, _nlr, _delay, _fuv, \ + _ct, _ncl, _bpm) \ + { \ + .name = _name, \ + .of_match = _of, \ + .regulators_node = of_match_ptr("regulators"), \ + .supply_name = _of, \ + .id = _id, \ + .ops = &(_ops), \ + .n_voltages = _n, \ + .type = _type, \ + .owner = THIS_MODULE, \ + .vsel_reg = _vr, \ + .vsel_mask = _vm, \ + .csel_reg = _cr, \ + .csel_mask = _cm, \ + .curr_table = _ct, \ + .n_current_limits = _ncl, \ + .enable_reg = _er, \ + .enable_mask = _em, \ + .volt_table = NULL, \ + .linear_ranges = _lr, \ + .n_linear_ranges = _nlr, \ + .ramp_delay = _delay, \ + .fixed_uV = _fuv, \ + .bypass_reg = _vr, \ + .bypass_mask = _bpm, \ + .bypass_val_on = 1, \ + } \ + +static const struct linear_range bucks_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x1f, 25000), + REGULATOR_LINEAR_RANGE(1400000, 0x20, 0x33, 100000), + REGULATOR_LINEAR_RANGE(3400000, 0x34, 0x3f, 0), +}; + +static const struct linear_range ldos_1_2_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x37, 50000), + REGULATOR_LINEAR_RANGE(3400000, 0x38, 0x3f, 0), +}; + +static const struct linear_range ldos_3_4_ranges[] = { + REGULATOR_LINEAR_RANGE(1200000, 0x0, 0xC, 0), + REGULATOR_LINEAR_RANGE(1250000, 0xD, 0x35, 50000), + REGULATOR_LINEAR_RANGE(3300000, 0x36, 0x3F, 0), +}; + +static int tps65219_pmic_set_voltage_sel(struct regulator_dev *dev, + unsigned int selector) +{ + int ret; + struct tps65219 *tps = rdev_get_drvdata(dev); + + /* Set the voltage based on vsel value */ + ret = regmap_update_bits(tps->regmap, dev->desc->vsel_reg, + dev->desc->vsel_mask, selector); + if (ret) { + dev_dbg(tps->dev, "%s failed for regulator %s: %d ", + __func__, dev->desc->name, ret); + } + return ret; +} + +static int tps65219_pmic_enable(struct regulator_dev *dev) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + + return regmap_set_bits(tps->regmap, dev->desc->enable_reg, + dev->desc->enable_mask); +} + +static int tps65219_pmic_disable(struct regulator_dev *dev) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + + return regmap_clear_bits(tps->regmap, dev->desc->enable_reg, + dev->desc->enable_mask); +} + +static int tps65219_set_mode(struct regulator_dev *dev, unsigned int mode) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + + switch (mode) { + case REGULATOR_MODE_NORMAL: + return regmap_set_bits(tps->regmap, TPS65219_REG_STBY_1_CONFIG, + dev->desc->enable_mask); + + case REGULATOR_MODE_STANDBY: + return regmap_clear_bits(tps->regmap, + TPS65219_REG_STBY_1_CONFIG, + dev->desc->enable_mask); + } + + return -EINVAL; +} + +static unsigned int tps65219_get_mode(struct regulator_dev *dev) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + int ret, value = 0; + + ret = regmap_read(tps->regmap, TPS65219_REG_STBY_1_CONFIG, &value); + if (ret) { + dev_dbg(tps->dev, "%s failed for regulator %s: %d ", + __func__, dev->desc->name, ret); + return ret; + } + value = (value & BIT(rid)) >> rid; + if (value) + return REGULATOR_MODE_STANDBY; + else + return REGULATOR_MODE_NORMAL; +} + +/* + * generic regulator_set_bypass_regmap does not fully match requirements + * TPS65219 Requires explicitly that regulator is disabled before switch + */ +static int tps65219_set_bypass(struct regulator_dev *dev, bool enable) +{ + struct tps65219 *tps = rdev_get_drvdata(dev); + unsigned int rid = rdev_get_id(dev); + int ret = 0; + + if (dev->desc->ops->enable) { + dev_err(tps->dev, + "%s LDO%d enabled, must be shut down to set bypass ", + __func__, rid); + return -EBUSY; + } + ret = regulator_set_bypass_regmap(dev, enable); + return ret; +} + +/* Operations permitted on BUCK1/2/3 */ +static const struct regulator_ops tps65219_bucks_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = tps65219_pmic_enable, + .disable = tps65219_pmic_disable, + .set_mode = tps65219_set_mode, + .get_mode = tps65219_get_mode, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = tps65219_pmic_set_voltage_sel, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + +}; + +/* Operations permitted on LDO1/2 */ +static const struct regulator_ops tps65219_ldos_1_2_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = tps65219_pmic_enable, + .disable = tps65219_pmic_disable, + .set_mode = tps65219_set_mode, + .get_mode = tps65219_get_mode, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = tps65219_pmic_set_voltage_sel, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, + .set_bypass = tps65219_set_bypass, + .get_bypass = regulator_get_bypass_regmap, +}; + +/* Operations permitted on LDO3/4 */ +static const struct regulator_ops tps65219_ldos_3_4_ops = { + .is_enabled = regulator_is_enabled_regmap, + .enable = tps65219_pmic_enable, + .disable = tps65219_pmic_disable, + .set_mode = tps65219_set_mode, + .get_mode = tps65219_get_mode, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = tps65219_pmic_set_voltage_sel, + .list_voltage = regulator_list_voltage_linear_range, + .map_voltage = regulator_map_voltage_linear_range, +}; + +static const struct regulator_desc regulators[] = { + TPS65219_REGULATOR("BUCK1", "buck1", TPS65219_BUCK_1, + REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + TPS65219_REG_BUCK1_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_BUCK1_EN_MASK, 0, 0, bucks_ranges, + 3, 4000, 0, NULL, 0, 0), + TPS65219_REGULATOR("BUCK2", "buck2", TPS65219_BUCK_2, + REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + TPS65219_REG_BUCK2_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_BUCK2_EN_MASK, 0, 0, bucks_ranges, + 3, 4000, 0, NULL, 0, 0), + TPS65219_REGULATOR("BUCK3", "buck3", TPS65219_BUCK_3, + REGULATOR_VOLTAGE, tps65219_bucks_ops, 64, + TPS65219_REG_BUCK3_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_BUCK3_EN_MASK, 0, 0, bucks_ranges, + 3, 0, 0, NULL, 0, 0), + TPS65219_REGULATOR("LDO1", "ldo1", TPS65219_LDO_1, + REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64, + TPS65219_REG_LDO1_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO1_EN_MASK, 0, 0, ldos_1_2_ranges, + 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), + TPS65219_REGULATOR("LDO2", "ldo2", TPS65219_LDO_2, + REGULATOR_VOLTAGE, tps65219_ldos_1_2_ops, 64, + TPS65219_REG_LDO2_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO2_EN_MASK, 0, 0, ldos_1_2_ranges, + 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), + TPS65219_REGULATOR("LDO3", "ldo3", TPS65219_LDO_3, + REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, + TPS65219_REG_LDO3_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO3_EN_MASK, 0, 0, ldos_3_4_ranges, + 3, 0, 0, NULL, 0, 0), + TPS65219_REGULATOR("LDO4", "ldo4", TPS65219_LDO_4, + REGULATOR_VOLTAGE, tps65219_ldos_3_4_ops, 64, + TPS65219_REG_LDO4_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO4_EN_MASK, 0, 0, ldos_3_4_ranges, + 3, 0, 0, NULL, 0, 0), +}; + +static irqreturn_t tps65219_regulator_irq_handler(int irq, void *data) +{ + struct tps65219_regulator_irq_data *irq_data = data; + + if (irq_data->type->event_name[0] == '\0') { + /* This is the timeout interrupt */ + dev_err(irq_data->dev, "System was put in shutdown during an active or standby transition.\n"); + return IRQ_HANDLED; + } + + dev_err(irq_data->dev, "Registered %s for %s\n", + irq_data->type->event_name, irq_data->type->regulator_name); + return IRQ_HANDLED; +} + +static int tps65219_regulator_probe(struct platform_device *pdev) +{ + struct tps65219 *tps = dev_get_drvdata(pdev->dev.parent); + struct regulator_dev *rdev; + struct regulator_config config = { }; + int i; + int error; + int irq; + struct tps65219_regulator_irq_data *irq_data; + struct tps65219_regulator_irq_type *irq_type; + + config.dev = tps->dev; + config.driver_data = tps; + config.regmap = tps->regmap; + + for (i = 0; i < ARRAY_SIZE(regulators); i++) { + dev_dbg(tps->dev, "%s regul i= %d START", __func__, i); + rdev = devm_regulator_register(&pdev->dev, ®ulators[i], + &config); + if (IS_ERR(rdev)) { + dev_err(tps->dev, "failed to register %s regulator\n", + pdev->name); + return PTR_ERR(rdev); + } + + dev_dbg(tps->dev, "%s regul i= %d COMPLETED", __func__, i); + } + + irq_data = devm_kmalloc(tps->dev, + ARRAY_SIZE(tps65219_regulator_irq_types) * + sizeof(struct tps65219_regulator_irq_data), + GFP_KERNEL); + if (!irq_data) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(tps65219_regulator_irq_types); ++i) { + irq_type = &tps65219_regulator_irq_types[i]; + + irq = platform_get_irq_byname(pdev, irq_type->irq_name); + if (irq < 0) { + dev_err(tps->dev, "Failed to get IRQ %s: %d\n", + irq_type->irq_name, irq); + return -EINVAL; + } + irq_data[i].dev = tps->dev; + irq_data[i].type = irq_type; + + error = devm_request_threaded_irq(tps->dev, irq, NULL, + tps65219_regulator_irq_handler, + IRQF_ONESHOT, + irq_type->irq_name, + &irq_data[i]); + if (error) { + dev_err(tps->dev, "failed to request %s IRQ %d: %d\n", + irq_type->irq_name, irq, error); + return error; + } + } + + return 0; +} + +static const struct platform_device_id tps65219_regulator_id_table[] = { + { "tps65219-regulator", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, tps65219_regulator_id_table); + +static struct platform_driver tps65219_regulator_driver = { + .driver = { + .name = "tps65219-pmic", + }, + .probe = tps65219_regulator_probe, + .id_table = tps65219_regulator_id_table, +}; + +module_platform_driver(tps65219_regulator_driver); + +MODULE_AUTHOR("Jerome Neanne "); +MODULE_DESCRIPTION("TPS65219 voltage regulator driver"); +MODULE_ALIAS("platform:tps65219-pmic"); +MODULE_LICENSE("GPL"); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel