From patchwork Thu Jan 16 22:37:40 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shree Ramamoorthy X-Patchwork-Id: 13942369 Received: from fllvem-ot04.ext.ti.com (fllvem-ot04.ext.ti.com [198.47.19.246]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BFF561A8F95; Thu, 16 Jan 2025 22:38:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.246 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737067086; cv=none; b=ZXbENpgW1BI3TmlJTWqL+eiJg0B5+SmvJDy3uROjD25JVPN5YIQRhZidPS6V+oDGs6QZZ8u+ie2bZ4kD3RFpNrRucg7Ki8LEPmVbhXA1BgrVpgmSozrq1fXhsezu2t+IKRmhSoTVsolBOEd+ef5rzIpZ/K6XROyibkLp2gtHT3Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737067086; c=relaxed/simple; bh=ZMjrdFY9ggZnhBZBMu5MdaVWVdJ9ew+W31Lb6fN4OAI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fEX3zihZPN6oELFB4PwNM6P2Iyl9vpksGZMpuEkzlwFQM8qT+bWszNXWuH3UC12n1FpBr8l2Lac/h+5Oju0b/ruVqrbOpvsIuvOyc1FqZgmHhDmVH9YCwBIUK1WfRqNZpmnhSiXmxcOw2STy6qeyWBFWA+3grqoUUVJvuLxp5WA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=a+SPN4Iu; arc=none smtp.client-ip=198.47.19.246 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="a+SPN4Iu" Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllvem-ot04.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 50GMbe0p089777 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 16 Jan 2025 16:37:40 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1737067060; bh=g42OVeH/+tQr2fDMCoCZ3xULtOJJzYiTOw9Ph3b5hKw=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=a+SPN4IuNe5//QsoLqOYc971uYCIXluhivXSsxdZD+RCvfJBFbvz2GZQ0I9zxIaFh D/AWOvnrouRUaJ1yYLeJgJB0ovQOhN46iaNgKWAmJcWvgOiAUsvdJIjEuylLFviFgo NIO1jVUAWren884aCqll+9j9jyPgSTrrKEwEkL5U= Received: from DLEE110.ent.ti.com (dlee110.ent.ti.com [157.170.170.21]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 50GMbeCY088544 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 16 Jan 2025 16:37:40 -0600 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 16 Jan 2025 16:37:40 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Thu, 16 Jan 2025 16:37:40 -0600 Received: from DMZ007XYY.dhcp.ti.com (dmz007xyy.dhcp.ti.com [128.247.29.11]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 50GMbeYN030055; Thu, 16 Jan 2025 16:37:40 -0600 From: Shree Ramamoorthy To: , , , , , , , , , , , , , CC: , , Subject: [PATCH v1 2/2] regulator: tps65214: Add TI TPS65214 Regulator Support Date: Thu, 16 Jan 2025 16:37:40 -0600 Message-ID: <20250116223740.429515-3-s-ramamoorthy@ti.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250116223740.429515-1-s-ramamoorthy@ti.com> References: <20250116223740.429515-1-s-ramamoorthy@ti.com> Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea Add support for TPS65214 regulators (bucks and LDOs) to the TPS65219 Regulator Driver as the TPS65214/TPS65214/TPS65219 PMIC devices have significant register map overlap. TPS65214 is a Power Management IC with 3 Buck regulators (like TPS65215/TPS65219) and has 2 LDOs (like TPS65215). Signed-off-by: Shree Ramamoorthy --- drivers/regulator/Kconfig | 9 +++- drivers/regulator/tps65219-regulator.c | 73 ++++++++++++++++++++++---- 2 files changed, 69 insertions(+), 13 deletions(-) diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 6cd87443f9bb..3a694945739c 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1579,11 +1579,16 @@ config REGULATOR_TPS65219 tristate "TI TPS65219 Power regulators" depends on MFD_TPS65219 && OF help - This driver supports TPS65219 series and TPS65215 voltage regulator chips. + This driver supports TPS65219, TPS65215, and TPS65214 voltage + regulator chips. TPS65219 series of PMICs have 3 single phase BUCKs & 4 LDOs voltage regulators. TPS65215 PMIC has 3 single phase BUCKs & 2 LDOs. - Both PMICs support software based voltage control for different voltage domains. + TPS65214 PMIC has 3 synchronous stepdown DC-DC converters & 2 + LDOs. One LDO supports a maximum output current of 300 mA and the + other a maximum of 500 mA + All 3 PMICs support software based voltage control for different + voltage domains. config REGULATOR_TPS6594 tristate "TI TPS6594 Power regulators" diff --git a/drivers/regulator/tps65219-regulator.c b/drivers/regulator/tps65219-regulator.c index 5f5a6f3c950b..241a7e841d35 100644 --- a/drivers/regulator/tps65219-regulator.c +++ b/drivers/regulator/tps65219-regulator.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 // -// Regulator driver for TPS65215/TPS65219 PMIC +// TPS65214/TPS65215/TPS65219 PMIC Regulator Driver // // Copyright (C) 2022 BayLibre Incorporated - https://www.baylibre.com/ // Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/ @@ -29,6 +29,11 @@ struct tps65219_regulator_irq_type { unsigned long event; }; +static struct tps65219_regulator_irq_type tps65215_regulator_irq_types[] = { + { "SENSOR_3_WARM", "SENSOR3", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN}, + { "SENSOR_3_HOT", "SENSOR3", "hot temperature", REGULATOR_EVENT_OVER_TEMP}, +}; + static struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { { "LDO3_SCG", "LDO3", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, { "LDO3_OC", "LDO3", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, @@ -40,9 +45,11 @@ static struct tps65219_regulator_irq_type tps65219_regulator_irq_types[] = { { "LDO4_RV", "LDO4", "residual voltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO3_RV_SD", "LDO3", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO4_RV_SD", "LDO4", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, + { "SENSOR_3_WARM", "SENSOR3", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN}, + { "SENSOR_3_HOT", "SENSOR3", "hot temperature", REGULATOR_EVENT_OVER_TEMP}, }; -/* All of TPS65215's irq types are the same as common_regulator_irq_types */ +/* All of TPS65214's irq types are the same as common_regulator_irq_types */ static struct tps65219_regulator_irq_type common_regulator_irq_types[] = { { "LDO1_SCG", "LDO1", "short circuit to ground", REGULATOR_EVENT_REGULATION_OUT }, { "LDO1_OC", "LDO1", "overcurrent", REGULATOR_EVENT_OVER_CURRENT }, @@ -75,11 +82,9 @@ static struct tps65219_regulator_irq_type common_regulator_irq_types[] = { REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO1_RV_SD", "LDO1", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { "LDO2_RV_SD", "LDO2", "residual voltage on shutdown", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, - { "SENSOR_3_WARM", "SENSOR3", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN}, { "SENSOR_2_WARM", "SENSOR2", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, { "SENSOR_1_WARM", "SENSOR1", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, { "SENSOR_0_WARM", "SENSOR0", "warm temperature", REGULATOR_EVENT_OVER_TEMP_WARN }, - { "SENSOR_3_HOT", "SENSOR3", "hot temperature", REGULATOR_EVENT_OVER_TEMP}, { "SENSOR_2_HOT", "SENSOR2", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, { "SENSOR_1_HOT", "SENSOR1", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, { "SENSOR_0_HOT", "SENSOR0", "hot temperature", REGULATOR_EVENT_OVER_TEMP }, @@ -133,6 +138,12 @@ static const struct linear_range ldo_1_range[] = { REGULATOR_LINEAR_RANGE(3400000, 0x38, 0x3f, 0), }; +static const struct linear_range tps65214_ldo_1_2_range[] = { + REGULATOR_LINEAR_RANGE(600000, 0x0, 0x2, 0), + REGULATOR_LINEAR_RANGE(650000, 0x3, 0x37, 50000), + REGULATOR_LINEAR_RANGE(3300000, 0x38, 0x3F, 0), +}; + static const struct linear_range tps65215_ldo_2_range[] = { REGULATOR_LINEAR_RANGE(1200000, 0x0, 0xC, 50000), REGULATOR_LINEAR_RANGE(3300000, 0x36, 0x3F, 0), @@ -251,6 +262,32 @@ static const struct regulator_desc common_regs[] = { TPS65219_REG_ENABLE_CTRL, TPS65219_ENABLE_BUCK3_EN_MASK, 0, 0, bucks_ranges, 3, 0, 0, NULL, 0, 0), +}; + +static const struct regulator_desc tps65214_regs[] = { + // TPS65214's LDO3 pin maps to TPS65219's LDO3 pin + TPS65219_REGULATOR("LDO1", "ldo1", TPS65214_LDO_1, + REGULATOR_VOLTAGE, ldos_3_4_ops, 64, + TPS65214_REG_LDO1_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO3_EN_MASK, 0, 0, tps65214_ldo_1_2_range, + 3, 0, 0, NULL, 0, 0), + TPS65219_REGULATOR("LDO2", "ldo2", TPS65214_LDO_2, + REGULATOR_VOLTAGE, ldos_3_4_ops, 64, + TPS65214_REG_LDO2_VOUT, + TPS65219_BUCKS_LDOS_VOUT_VSET_MASK, + TPS65219_REG_ENABLE_CTRL, + TPS65219_ENABLE_LDO2_EN_MASK, 0, 0, tps65214_ldo_1_2_range, + 3, 0, 0, NULL, 0, 0), +}; + +static const struct regulator_desc tps65215_regs[] = { + /* + * TPS65215's LDO1 is the same as TPS65219's LDO1. LDO1 is + * configurable as load switch and bypass-mode. + * TPS65215's LDO2 is the same as TPS65219's LDO3 + */ TPS65219_REGULATOR("LDO1", "ldo1", TPS65219_LDO_1, REGULATOR_VOLTAGE, ldos_1_2_ops, 64, TPS65219_REG_LDO1_VOUT, @@ -258,10 +295,6 @@ static const struct regulator_desc common_regs[] = { TPS65219_REG_ENABLE_CTRL, TPS65219_ENABLE_LDO1_EN_MASK, 0, 0, ldo_1_range, 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), -}; - -static const struct regulator_desc tps65215_regs[] = { - // TPS65215's LDO2 is the same as TPS65219's LDO3 TPS65219_REGULATOR("LDO2", "ldo2", TPS65215_LDO_2, REGULATOR_VOLTAGE, ldos_3_4_ops, 64, TPS65215_REG_LDO2_VOUT, @@ -272,6 +305,13 @@ static const struct regulator_desc tps65215_regs[] = { }; static const struct regulator_desc tps65219_regs[] = { + TPS65219_REGULATOR("LDO1", "ldo1", TPS65219_LDO_1, + REGULATOR_VOLTAGE, 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, ldo_1_range, + 2, 0, 0, NULL, 0, TPS65219_LDOS_BYP_CONFIG_MASK), TPS65219_REGULATOR("LDO2", "ldo2", TPS65219_LDO_2, REGULATOR_VOLTAGE, ldos_1_2_ops, 64, TPS65219_REG_LDO2_VOUT, @@ -326,13 +366,23 @@ struct tps65219_chip_data { }; static struct tps65219_chip_data chip_info_table[] = { + [TPS65214] = { + .rdesc = tps65214_regs, + .rdesc_size = ARRAY_SIZE(tps65214_regs), + .common_rdesc = common_regs, + .common_rdesc_size = ARRAY_SIZE(common_regs), + .irq_types = NULL, + .dev_irq_size = 0, + .common_irq_types = common_regulator_irq_types, + .common_irq_size = ARRAY_SIZE(common_regulator_irq_types), + }, [TPS65215] = { .rdesc = tps65215_regs, .rdesc_size = ARRAY_SIZE(tps65215_regs), .common_rdesc = common_regs, .common_rdesc_size = ARRAY_SIZE(common_regs), - .irq_types = NULL, - .dev_irq_size = 0, + .irq_types = tps65215_regulator_irq_types, + .dev_irq_size = ARRAY_SIZE(tps65215_regulator_irq_types), .common_irq_types = common_regulator_irq_types, .common_irq_size = ARRAY_SIZE(common_regulator_irq_types), }, @@ -436,6 +486,7 @@ static int tps65219_regulator_probe(struct platform_device *pdev) } static const struct platform_device_id tps65219_regulator_id_table[] = { + { "tps65214-regulator", TPS65214 }, { "tps65215-regulator", TPS65215 }, { "tps65219-regulator", TPS65219 }, { /* sentinel */ } @@ -454,5 +505,5 @@ static struct platform_driver tps65219_regulator_driver = { module_platform_driver(tps65219_regulator_driver); MODULE_AUTHOR("Jerome Neanne "); -MODULE_DESCRIPTION("TPS65215/TPS65219 voltage regulator driver"); +MODULE_DESCRIPTION("TPS65214/TPS65215/TPS65219 Regulator driver"); MODULE_LICENSE("GPL");