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dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) by VI1PR0401MB2302.eurprd04.prod.outlook.com (2603:10a6:800:2b::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.23; Fri, 3 Jul 2020 08:05:14 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d%6]) with mapi id 15.20.3153.028; Fri, 3 Jul 2020 08:05:14 +0000 From: Robin Gong To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, frieder.schrempf@kontron.de, catalin.marinas@arm.com, will@kernel.org, shawnguo@kernel.org, anson.huang@nxp.com, festevam@gmail.com, s.hauer@pengutronix.de, john.lee@nxp.com Subject: [PATCH v2 1/4] regulator: pca9450: add pca9450 pmic driver Date: Sat, 4 Jul 2020 00:19:35 +0800 Message-Id: <1593793178-9737-2-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593793178-9737-1-git-send-email-yibin.gong@nxp.com> References: <1593793178-9737-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0160.apcprd01.prod.exchangelabs.com (2603:1096:4:28::16) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0160.apcprd01.prod.exchangelabs.com (2603:1096:4:28::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.21 via Frontend Transport; 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PTR:; CAT:NONE; SFTY:; SFS:(4636009)(396003)(136003)(346002)(376002)(39860400002)(366004)(7416002)(6512007)(8676002)(6636002)(6666004)(8936002)(86362001)(52116002)(478600001)(5660300002)(16526019)(30864003)(316002)(6506007)(2906002)(4326008)(2616005)(83380400001)(66556008)(26005)(186003)(66946007)(36756003)(956004)(6486002)(66476007)(921003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: MkNXibJ5PbPe4ZDG8A2HJtDjDjF/qvXfK3kXj0mrFP6RD94292uDMD/DJ7Umqm7WHptkWPQsJIZP/YEiOz+udvPwyojqZaMBtA+EoRz/NMrL92rWyvZhJXe/YBmEiTaNoc/Des95nwiKlsIQTIXuqHn/rLqwp7gNwVB9ag2SllINdx4q0a1LDxHC+yLaAuuu1ntADjPs/e0/V10OILVgkXFroIOshjmvhlOPtNBhQap+KBsWMdX9sVRWEVj6+5GEAPCHdmsOH+LbxVFS8rxdqPaDvVx67YRgQ9Q9hiY73bCjUy2ofSWmOvJgG9EpYBXbQkYcAd4A0i2GT0wwo6GRrha6ZhXHmX4b6eFOkXziRzXTjbEU1Hqj1LgkoCGZjFnfOFQgLgI3P3P8nILp85+JxD2x71Y0BlpZ0HFoid7SwGUULo68gqmqeNMEFvka6ITruU8F7r8JB/Is4OAx52anVk4pLBfPTTz+LuO9SmmfRqA= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 11eeb40c-f6af-482f-5d20-08d81f27d0d9 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6638.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Jul 2020 08:05:14.6533 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9xPcBeWjZGcajZNk/tRsc7A5wYRogL7GQc3dWZC7AYjROgMMhAukjXXbpP9TEUKOLUftPe/6oMbXNK81JN6Pmg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0401MB2302 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200703_040518_427467_4562D132 X-CRM114-Status: GOOD ( 23.35 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [40.107.7.84 listed in list.dnswl.org] 0.0 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.7.84 listed in wl.mailspike.net] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add NXP pca9450 pmic driver. Signed-off-by: Robin Gong Reviewed-by: Frieder Schrempf --- drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/pca9450-regulator.c | 843 ++++++++++++++++++++++++++++++++++ include/linux/regulator/pca9450.h | 219 +++++++++ 4 files changed, 1071 insertions(+) create mode 100644 drivers/regulator/pca9450-regulator.c create mode 100644 include/linux/regulator/pca9450.h diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index f60eeaa..f992a17 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -740,6 +740,14 @@ config REGULATOR_PBIAS This driver provides support for OMAP pbias modelled regulators. +config REGULATOR_PCA9450 + tristate "NXP PCA9450A/PCA9450B/PCA9450C regulator driver" + depends on I2C + select REGMAP_I2C + help + Say y here to support the NXP PCA9450A/PCA9450B/PCA9450C PMIC + regulator driver. + config REGULATOR_PCAP tristate "Motorola PCAP2 regulator driver" depends on EZX_PCAP diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 5ce7350..ff524922 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -94,6 +94,7 @@ obj-$(CONFIG_REGULATOR_QCOM_RPMH) += qcom-rpmh-regulator.o obj-$(CONFIG_REGULATOR_QCOM_SMD_RPM) += qcom_smd-regulator.o obj-$(CONFIG_REGULATOR_QCOM_SPMI) += qcom_spmi-regulator.o obj-$(CONFIG_REGULATOR_PALMAS) += palmas-regulator.o +obj-$(CONFIG_REGULATOR_PCA9450) += pca9450-regulator.o obj-$(CONFIG_REGULATOR_PFUZE100) += pfuze100-regulator.o obj-$(CONFIG_REGULATOR_PV88060) += pv88060-regulator.o obj-$(CONFIG_REGULATOR_PV88080) += pv88080-regulator.o diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c new file mode 100644 index 00000000..0225045 --- /dev/null +++ b/drivers/regulator/pca9450-regulator.c @@ -0,0 +1,843 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020 NXP. + * NXP PCA9450 pmic driver + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +struct pc9450_dvs_config { + unsigned int run_reg; /* dvs0 */ + unsigned int run_mask; + unsigned int standby_reg; /* dvs1 */ + unsigned int standby_mask; +}; + +struct pca9450_regulator_desc { + struct regulator_desc desc; + const struct pc9450_dvs_config dvs; +}; + +struct pca9450 { + struct device *dev; + struct regmap *regmap; + enum pca9450_chip_type type; + unsigned int rcnt; + int irq; +}; + +static const struct regmap_range pca9450_status_range = { + .range_min = PCA9450_REG_INT1, + .range_max = PCA9450_REG_PWRON_STAT, +}; + +static const struct regmap_access_table pca9450_volatile_regs = { + .yes_ranges = &pca9450_status_range, + .n_yes_ranges = 1, +}; + +static const struct regmap_config pca9450_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .volatile_table = &pca9450_volatile_regs, + .max_register = PCA9450_MAX_REGISTER - 1, + .cache_type = REGCACHE_RBTREE, +}; + +/* + * BUCK1/2/3 + * BUCK1RAM[1:0] BUCK1 DVS ramp rate setting + * 00: 25mV/1usec + * 01: 25mV/2usec + * 10: 25mV/4usec + * 11: 25mV/8usec + */ +static int pca9450_dvs_set_ramp_delay(struct regulator_dev *rdev, + int ramp_delay) +{ + int id = rdev_get_id(rdev); + unsigned int ramp_value; + + switch (ramp_delay) { + case 1 ... 3125: + ramp_value = BUCK1_RAMP_3P125MV; + break; + case 3126 ... 6250: + ramp_value = BUCK1_RAMP_6P25MV; + break; + case 6251 ... 12500: + ramp_value = BUCK1_RAMP_12P5MV; + break; + case 12501 ... 25000: + ramp_value = BUCK1_RAMP_25MV; + break; + default: + ramp_value = BUCK1_RAMP_25MV; + } + + return regmap_update_bits(rdev->regmap, PCA9450_REG_BUCK1CTRL + id * 3, + BUCK1_RAMP_MASK, ramp_value << 6); +} + +static struct regulator_ops pca9450_dvs_buck_regulator_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, + .set_ramp_delay = pca9450_dvs_set_ramp_delay, +}; + +static struct regulator_ops pca9450_buck_regulator_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = regulator_set_voltage_time_sel, +}; + +static struct regulator_ops pca9450_ldo_regulator_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, +}; + +/* + * BUCK1/2/3 + * 0.60 to 2.1875V (12.5mV step) + */ +static const struct linear_range pca9450_dvs_buck_volts[] = { + REGULATOR_LINEAR_RANGE(600000, 0x00, 0x7F, 12500), +}; + +/* + * BUCK4/5/6 + * 0.6V to 3.4V (25mV step) + */ +static const struct linear_range pca9450_buck_volts[] = { + REGULATOR_LINEAR_RANGE(600000, 0x00, 0x70, 25000), + REGULATOR_LINEAR_RANGE(3400000, 0x71, 0x7F, 0), +}; + +/* + * LDO1 + * 1.6 to 3.3V () + */ +static const struct linear_range pca9450_ldo1_volts[] = { + REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000), + REGULATOR_LINEAR_RANGE(3000000, 0x04, 0x07, 100000), +}; + +/* + * LDO2 + * 0.8 to 1.15V (50mV step) + */ +static const struct linear_range pca9450_ldo2_volts[] = { + REGULATOR_LINEAR_RANGE(800000, 0x00, 0x07, 50000), +}; + +/* + * LDO3/4 + * 0.8 to 3.3V (100mV step) + */ +static const struct linear_range pca9450_ldo34_volts[] = { + REGULATOR_LINEAR_RANGE(800000, 0x00, 0x19, 100000), + REGULATOR_LINEAR_RANGE(3300000, 0x1A, 0x1F, 0), +}; + +/* + * LDO5 + * 1.8 to 3.3V (100mV step) + */ +static const struct linear_range pca9450_ldo5_volts[] = { + REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), +}; + +static int buck_set_dvs(const struct regulator_desc *desc, + struct device_node *np, struct regmap *regmap, + char *prop, unsigned int reg, unsigned int mask) +{ + int ret, i; + uint32_t uv; + + ret = of_property_read_u32(np, prop, &uv); + if (ret == -EINVAL) + return 0; + else if (ret) + return ret; + + for (i = 0; i < desc->n_voltages; i++) { + ret = regulator_desc_list_voltage_linear_range(desc, i); + if (ret < 0) + continue; + if (ret == uv) { + i <<= ffs(desc->vsel_mask) - 1; + ret = regmap_update_bits(regmap, reg, mask, i); + break; + } + } + + return ret; +} + +static int pca9450_set_dvs_levels(struct device_node *np, + const struct regulator_desc *desc, + struct regulator_config *cfg) +{ + struct pca9450_regulator_desc *data = container_of(desc, + struct pca9450_regulator_desc, desc); + const struct pc9450_dvs_config *dvs = &data->dvs; + unsigned int reg, mask; + char *prop; + int i, ret = 0; + + for (i = 0; i < PCA9450_DVS_LEVEL_MAX; i++) { + switch (i) { + case PCA9450_DVS_LEVEL_RUN: + prop = "nxp,dvs-run-voltage"; + reg = dvs->run_reg; + mask = dvs->run_mask; + break; + case PCA9450_DVS_LEVEL_STANDBY: + prop = "nxp,dvs-standby-voltage"; + reg = dvs->standby_reg; + mask = dvs->standby_mask; + break; + default: + return -EINVAL; + } + + ret = buck_set_dvs(desc, np, cfg->regmap, prop, reg, mask); + if (ret) + break; + } + + return ret; +} + +static const struct pca9450_regulator_desc pca9450a_regulators[] = { + { + .desc = { + .name = "buck1", + .of_match = of_match_ptr("BUCK1"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK1, + .ops = &pca9450_dvs_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK1_VOLTAGE_NUM, + .linear_ranges = pca9450_dvs_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_dvs_buck_volts), + .vsel_reg = PCA9450_REG_BUCK1OUT_DVS0, + .vsel_mask = BUCK1OUT_DVS0_MASK, + .enable_reg = PCA9450_REG_BUCK1CTRL, + .enable_mask = BUCK1_ENMODE_MASK, + .owner = THIS_MODULE, + .of_parse_cb = pca9450_set_dvs_levels, + }, + .dvs = { + .run_reg = PCA9450_REG_BUCK1OUT_DVS0, + .run_mask = BUCK1OUT_DVS0_MASK, + .standby_reg = PCA9450_REG_BUCK1OUT_DVS1, + .standby_mask = BUCK1OUT_DVS1_MASK, + }, + }, + { + .desc = { + .name = "buck2", + .of_match = of_match_ptr("BUCK2"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK2, + .ops = &pca9450_dvs_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK2_VOLTAGE_NUM, + .linear_ranges = pca9450_dvs_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_dvs_buck_volts), + .vsel_reg = PCA9450_REG_BUCK2OUT_DVS0, + .vsel_mask = BUCK2OUT_DVS0_MASK, + .enable_reg = PCA9450_REG_BUCK2CTRL, + .enable_mask = BUCK1_ENMODE_MASK, + .owner = THIS_MODULE, + .of_parse_cb = pca9450_set_dvs_levels, + }, + .dvs = { + .run_reg = PCA9450_REG_BUCK2OUT_DVS0, + .run_mask = BUCK2OUT_DVS0_MASK, + .standby_reg = PCA9450_REG_BUCK2OUT_DVS1, + .standby_mask = BUCK2OUT_DVS1_MASK, + }, + }, + { + .desc = { + .name = "buck3", + .of_match = of_match_ptr("BUCK3"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK3, + .ops = &pca9450_dvs_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK3_VOLTAGE_NUM, + .linear_ranges = pca9450_dvs_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_dvs_buck_volts), + .vsel_reg = PCA9450_REG_BUCK3OUT_DVS0, + .vsel_mask = BUCK3OUT_DVS0_MASK, + .enable_reg = PCA9450_REG_BUCK3CTRL, + .enable_mask = BUCK3_ENMODE_MASK, + .owner = THIS_MODULE, + .of_parse_cb = pca9450_set_dvs_levels, + }, + .dvs = { + .run_reg = PCA9450_REG_BUCK3OUT_DVS0, + .run_mask = BUCK3OUT_DVS0_MASK, + .standby_reg = PCA9450_REG_BUCK3OUT_DVS1, + .standby_mask = BUCK3OUT_DVS1_MASK, + }, + }, + { + .desc = { + .name = "buck4", + .of_match = of_match_ptr("BUCK4"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK4, + .ops = &pca9450_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK4_VOLTAGE_NUM, + .linear_ranges = pca9450_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts), + .vsel_reg = PCA9450_REG_BUCK4OUT, + .vsel_mask = BUCK4OUT_MASK, + .enable_reg = PCA9450_REG_BUCK4CTRL, + .enable_mask = BUCK4_ENMODE_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "buck5", + .of_match = of_match_ptr("BUCK5"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK5, + .ops = &pca9450_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK5_VOLTAGE_NUM, + .linear_ranges = pca9450_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts), + .vsel_reg = PCA9450_REG_BUCK5OUT, + .vsel_mask = BUCK5OUT_MASK, + .enable_reg = PCA9450_REG_BUCK5CTRL, + .enable_mask = BUCK5_ENMODE_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "buck6", + .of_match = of_match_ptr("BUCK6"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK6, + .ops = &pca9450_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK6_VOLTAGE_NUM, + .linear_ranges = pca9450_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts), + .vsel_reg = PCA9450_REG_BUCK6OUT, + .vsel_mask = BUCK6OUT_MASK, + .enable_reg = PCA9450_REG_BUCK6CTRL, + .enable_mask = BUCK6_ENMODE_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo1", + .of_match = of_match_ptr("LDO1"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO1, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO1_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo1_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo1_volts), + .vsel_reg = PCA9450_REG_LDO1CTRL, + .vsel_mask = LDO1OUT_MASK, + .enable_reg = PCA9450_REG_LDO1CTRL, + .enable_mask = LDO1_EN_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo2", + .of_match = of_match_ptr("LDO2"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO2, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO2_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo2_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo2_volts), + .vsel_reg = PCA9450_REG_LDO2CTRL, + .vsel_mask = LDO2OUT_MASK, + .enable_reg = PCA9450_REG_LDO2CTRL, + .enable_mask = LDO2_EN_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo3", + .of_match = of_match_ptr("LDO3"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO3, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO3_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo34_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo34_volts), + .vsel_reg = PCA9450_REG_LDO3CTRL, + .vsel_mask = LDO3OUT_MASK, + .enable_reg = PCA9450_REG_LDO3CTRL, + .enable_mask = LDO3_EN_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo4", + .of_match = of_match_ptr("LDO4"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO4, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO4_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo34_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo34_volts), + .vsel_reg = PCA9450_REG_LDO4CTRL, + .vsel_mask = LDO4OUT_MASK, + .enable_reg = PCA9450_REG_LDO4CTRL, + .enable_mask = LDO4_EN_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo5", + .of_match = of_match_ptr("LDO5"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO5, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO5_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo5_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo5_volts), + .vsel_reg = PCA9450_REG_LDO5CTRL_H, + .vsel_mask = LDO5HOUT_MASK, + .enable_reg = PCA9450_REG_LDO5CTRL_H, + .enable_mask = LDO5H_EN_MASK, + .owner = THIS_MODULE, + }, + }, +}; + +/* + * Buck3 removed on PCA9450B and connected with Buck1 internal for dual phase + * on PCA9450C as no Buck3. + */ +static const struct pca9450_regulator_desc pca9450bc_regulators[] = { + { + .desc = { + .name = "buck1", + .of_match = of_match_ptr("BUCK1"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK1, + .ops = &pca9450_dvs_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK1_VOLTAGE_NUM, + .linear_ranges = pca9450_dvs_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_dvs_buck_volts), + .vsel_reg = PCA9450_REG_BUCK1OUT_DVS0, + .vsel_mask = BUCK1OUT_DVS0_MASK, + .enable_reg = PCA9450_REG_BUCK1CTRL, + .enable_mask = BUCK1_ENMODE_MASK, + .owner = THIS_MODULE, + .of_parse_cb = pca9450_set_dvs_levels, + }, + .dvs = { + .run_reg = PCA9450_REG_BUCK1OUT_DVS0, + .run_mask = BUCK1OUT_DVS0_MASK, + .standby_reg = PCA9450_REG_BUCK1OUT_DVS1, + .standby_mask = BUCK1OUT_DVS1_MASK, + }, + }, + { + .desc = { + .name = "buck2", + .of_match = of_match_ptr("BUCK2"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK2, + .ops = &pca9450_dvs_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK2_VOLTAGE_NUM, + .linear_ranges = pca9450_dvs_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_dvs_buck_volts), + .vsel_reg = PCA9450_REG_BUCK2OUT_DVS0, + .vsel_mask = BUCK2OUT_DVS0_MASK, + .enable_reg = PCA9450_REG_BUCK2CTRL, + .enable_mask = BUCK1_ENMODE_MASK, + .owner = THIS_MODULE, + .of_parse_cb = pca9450_set_dvs_levels, + }, + .dvs = { + .run_reg = PCA9450_REG_BUCK2OUT_DVS0, + .run_mask = BUCK2OUT_DVS0_MASK, + .standby_reg = PCA9450_REG_BUCK2OUT_DVS1, + .standby_mask = BUCK2OUT_DVS1_MASK, + }, + }, + { + .desc = { + .name = "buck4", + .of_match = of_match_ptr("BUCK4"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK4, + .ops = &pca9450_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK4_VOLTAGE_NUM, + .linear_ranges = pca9450_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts), + .vsel_reg = PCA9450_REG_BUCK4OUT, + .vsel_mask = BUCK4OUT_MASK, + .enable_reg = PCA9450_REG_BUCK4CTRL, + .enable_mask = BUCK4_ENMODE_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "buck5", + .of_match = of_match_ptr("BUCK5"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK5, + .ops = &pca9450_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK5_VOLTAGE_NUM, + .linear_ranges = pca9450_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts), + .vsel_reg = PCA9450_REG_BUCK5OUT, + .vsel_mask = BUCK5OUT_MASK, + .enable_reg = PCA9450_REG_BUCK5CTRL, + .enable_mask = BUCK5_ENMODE_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "buck6", + .of_match = of_match_ptr("BUCK6"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_BUCK6, + .ops = &pca9450_buck_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_BUCK6_VOLTAGE_NUM, + .linear_ranges = pca9450_buck_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts), + .vsel_reg = PCA9450_REG_BUCK6OUT, + .vsel_mask = BUCK6OUT_MASK, + .enable_reg = PCA9450_REG_BUCK6CTRL, + .enable_mask = BUCK6_ENMODE_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo1", + .of_match = of_match_ptr("LDO1"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO1, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO1_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo1_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo1_volts), + .vsel_reg = PCA9450_REG_LDO1CTRL, + .vsel_mask = LDO1OUT_MASK, + .enable_reg = PCA9450_REG_LDO1CTRL, + .enable_mask = LDO1_EN_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo2", + .of_match = of_match_ptr("LDO2"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO2, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO2_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo2_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo2_volts), + .vsel_reg = PCA9450_REG_LDO2CTRL, + .vsel_mask = LDO2OUT_MASK, + .enable_reg = PCA9450_REG_LDO2CTRL, + .enable_mask = LDO2_EN_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo3", + .of_match = of_match_ptr("LDO3"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO3, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO3_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo34_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo34_volts), + .vsel_reg = PCA9450_REG_LDO3CTRL, + .vsel_mask = LDO3OUT_MASK, + .enable_reg = PCA9450_REG_LDO3CTRL, + .enable_mask = LDO3_EN_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo4", + .of_match = of_match_ptr("LDO4"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO4, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO4_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo34_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo34_volts), + .vsel_reg = PCA9450_REG_LDO4CTRL, + .vsel_mask = LDO4OUT_MASK, + .enable_reg = PCA9450_REG_LDO4CTRL, + .enable_mask = LDO4_EN_MASK, + .owner = THIS_MODULE, + }, + }, + { + .desc = { + .name = "ldo5", + .of_match = of_match_ptr("LDO5"), + .regulators_node = of_match_ptr("regulators"), + .id = PCA9450_LDO5, + .ops = &pca9450_ldo_regulator_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = PCA9450_LDO5_VOLTAGE_NUM, + .linear_ranges = pca9450_ldo5_volts, + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo5_volts), + .vsel_reg = PCA9450_REG_LDO5CTRL_H, + .vsel_mask = LDO5HOUT_MASK, + .enable_reg = PCA9450_REG_LDO5CTRL_H, + .enable_mask = LDO5H_EN_MASK, + .owner = THIS_MODULE, + }, + }, +}; + +static irqreturn_t pca9450_irq_handler(int irq, void *data) +{ + struct pca9450 *pca9450 = data; + struct regmap *regmap = pca9450->regmap; + unsigned int status; + int ret; + + ret = regmap_read(regmap, PCA9450_REG_INT1, &status); + if (ret < 0) { + dev_err(pca9450->dev, + "Failed to read INT1(%d)\n", ret); + return IRQ_NONE; + } + + if (status & IRQ_PWRON) + dev_warn(pca9450->dev, "PWRON interrupt.\n"); + + if (status & IRQ_WDOGB) + dev_warn(pca9450->dev, "WDOGB interrupt.\n"); + + if (status & IRQ_VR_FLT1) + dev_warn(pca9450->dev, "VRFLT1 interrupt.\n"); + + if (status & IRQ_VR_FLT2) + dev_warn(pca9450->dev, "VRFLT2 interrupt.\n"); + + if (status & IRQ_LOWVSYS) + dev_warn(pca9450->dev, "LOWVSYS interrupt.\n"); + + if (status & IRQ_THERM_105) + dev_warn(pca9450->dev, "IRQ_THERM_105 interrupt.\n"); + + if (status & IRQ_THERM_125) + dev_warn(pca9450->dev, "IRQ_THERM_125 interrupt.\n"); + + return IRQ_HANDLED; +} + +static int pca9450_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + enum pca9450_chip_type type = (unsigned int)(uintptr_t) + of_device_get_match_data(&i2c->dev); + const struct pca9450_regulator_desc *regulator_desc; + struct regulator_config config = { }; + struct pca9450 *pca9450; + unsigned int device_id, i; + int ret; + + if (!i2c->irq) { + dev_err(&i2c->dev, "No IRQ configured?\n"); + return -EINVAL; + } + + pca9450 = devm_kzalloc(&i2c->dev, sizeof(struct pca9450), GFP_KERNEL); + if (!pca9450) + return -ENOMEM; + + switch (type) { + case PCA9450_TYPE_PCA9450A: + regulator_desc = pca9450a_regulators; + pca9450->rcnt = ARRAY_SIZE(pca9450a_regulators); + break; + case PCA9450_TYPE_PCA9450BC: + regulator_desc = pca9450bc_regulators; + pca9450->rcnt = ARRAY_SIZE(pca9450bc_regulators); + break; + default: + dev_err(&i2c->dev, "Unknown device type"); + return -EINVAL; + } + + pca9450->irq = i2c->irq; + pca9450->type = type; + pca9450->dev = &i2c->dev; + + dev_set_drvdata(&i2c->dev, pca9450); + + pca9450->regmap = devm_regmap_init_i2c(i2c, + &pca9450_regmap_config); + if (IS_ERR(pca9450->regmap)) { + dev_err(&i2c->dev, "regmap initialization failed\n"); + return PTR_ERR(pca9450->regmap); + } + + ret = regmap_read(pca9450->regmap, PCA9450_REG_DEV_ID, &device_id); + if (ret) { + dev_err(&i2c->dev, "Read device id error\n"); + return ret; + } + + /* Check your board and dts for match the right pmic */ + if (((device_id >> 4) != 0x1 && type == PCA9450_TYPE_PCA9450A) || + ((device_id >> 4) != 0x3 && type == PCA9450_TYPE_PCA9450BC)) { + dev_err(&i2c->dev, "Device id(%x) mismatched\n", + device_id >> 4); + return -EINVAL; + } + + for (i = 0; i < pca9450->rcnt; i++) { + const struct regulator_desc *desc; + struct regulator_dev *rdev; + const struct pca9450_regulator_desc *r; + + r = ®ulator_desc[i]; + desc = &r->desc; + + config.regmap = pca9450->regmap; + config.dev = pca9450->dev; + + rdev = devm_regulator_register(pca9450->dev, desc, &config); + if (IS_ERR(rdev)) { + ret = PTR_ERR(rdev); + dev_err(pca9450->dev, + "Failed to register regulator(%s): %d\n", + desc->name, ret); + return ret; + } + } + + ret = devm_request_threaded_irq(pca9450->dev, pca9450->irq, NULL, + pca9450_irq_handler, + (IRQF_TRIGGER_FALLING | IRQF_ONESHOT), + "pca9450-irq", pca9450); + if (ret != 0) { + dev_err(pca9450->dev, "Failed to request IRQ: %d\n", + pca9450->irq); + return ret; + } + /* Unmask all interrupt except PWRON/WDOG/RSVD */ + ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_INT1_MSK, + IRQ_VR_FLT1 | IRQ_VR_FLT2 | IRQ_LOWVSYS | + IRQ_THERM_105 | IRQ_THERM_125, + IRQ_PWRON | IRQ_WDOGB | IRQ_RSVD); + if (ret) { + dev_err(&i2c->dev, "Unmask irq error\n"); + return ret; + } + + dev_info(&i2c->dev, "%s probed.\n", + type == PCA9450_TYPE_PCA9450A ? "pca9450a" : "pca9450bc"); + + return 0; +} + +static const struct of_device_id pca9450_of_match[] = { + { + .compatible = "nxp,pca9450a", + .data = (void *)PCA9450_TYPE_PCA9450A, + }, + { + .compatible = "nxp,pca9450b", + .data = (void *)PCA9450_TYPE_PCA9450BC, + }, + { + .compatible = "nxp,pca9450c", + .data = (void *)PCA9450_TYPE_PCA9450BC, + }, + { } +}; +MODULE_DEVICE_TABLE(of, pca9450_of_match); + +static struct i2c_driver pca9450_i2c_driver = { + .driver = { + .name = "nxp-pca9450", + .of_match_table = pca9450_of_match, + }, + .probe = pca9450_i2c_probe, +}; + +static int __init pca9450_i2c_init(void) +{ + return i2c_add_driver(&pca9450_i2c_driver); +} +module_init(pca9450_i2c_init); + +static void __exit pca9450_i2c_exit(void) +{ + i2c_del_driver(&pca9450_i2c_driver); +} +module_exit(pca9450_i2c_exit); + +MODULE_AUTHOR("Robin Gong "); +MODULE_DESCRIPTION("NXP PCA9450 Power Management IC driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h new file mode 100644 index 00000000..1bbd301 --- /dev/null +++ b/include/linux/regulator/pca9450.h @@ -0,0 +1,219 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Copyright 2020 NXP. */ + +#ifndef __LINUX_REG_PCA9450_H__ +#define __LINUX_REG_PCA9450_H__ + +#include + +enum pca9450_chip_type { + PCA9450_TYPE_PCA9450A = 0, + PCA9450_TYPE_PCA9450BC, + PCA9450_TYPE_AMOUNT, +}; + +enum { + PCA9450_BUCK1 = 0, + PCA9450_BUCK2, + PCA9450_BUCK3, + PCA9450_BUCK4, + PCA9450_BUCK5, + PCA9450_BUCK6, + PCA9450_LDO1, + PCA9450_LDO2, + PCA9450_LDO3, + PCA9450_LDO4, + PCA9450_LDO5, + PCA9450_REGULATOR_CNT, +}; + +enum { + PCA9450_DVS_LEVEL_RUN = 0, + PCA9450_DVS_LEVEL_STANDBY, + PCA9450_DVS_LEVEL_MAX, +}; + +#define PCA9450_BUCK1_VOLTAGE_NUM 0x80 +#define PCA9450_BUCK2_VOLTAGE_NUM 0x80 +#define PCA9450_BUCK3_VOLTAGE_NUM 0x80 +#define PCA9450_BUCK4_VOLTAGE_NUM 0x80 + +#define PCA9450_BUCK5_VOLTAGE_NUM 0x80 +#define PCA9450_BUCK6_VOLTAGE_NUM 0x80 + +#define PCA9450_LDO1_VOLTAGE_NUM 0x08 +#define PCA9450_LDO2_VOLTAGE_NUM 0x08 +#define PCA9450_LDO3_VOLTAGE_NUM 0x20 +#define PCA9450_LDO4_VOLTAGE_NUM 0x20 +#define PCA9450_LDO5_VOLTAGE_NUM 0x10 + +enum { + PCA9450_REG_DEV_ID = 0x00, + PCA9450_REG_INT1 = 0x01, + PCA9450_REG_INT1_MSK = 0x02, + PCA9450_REG_STATUS1 = 0x03, + PCA9450_REG_STATUS2 = 0x04, + PCA9450_REG_PWRON_STAT = 0x05, + PCA9450_REG_SWRST = 0x06, + PCA9450_REG_PWRCTRL = 0x07, + PCA9450_REG_RESET_CTRL = 0x08, + PCA9450_REG_CONFIG1 = 0x09, + PCA9450_REG_CONFIG2 = 0x0A, + PCA9450_REG_BUCK123_DVS = 0x0C, + PCA9450_REG_BUCK1OUT_LIMIT = 0x0D, + PCA9450_REG_BUCK2OUT_LIMIT = 0x0E, + PCA9450_REG_BUCK3OUT_LIMIT = 0x0F, + PCA9450_REG_BUCK1CTRL = 0x10, + PCA9450_REG_BUCK1OUT_DVS0 = 0x11, + PCA9450_REG_BUCK1OUT_DVS1 = 0x12, + PCA9450_REG_BUCK2CTRL = 0x13, + PCA9450_REG_BUCK2OUT_DVS0 = 0x14, + PCA9450_REG_BUCK2OUT_DVS1 = 0x15, + PCA9450_REG_BUCK3CTRL = 0x16, + PCA9450_REG_BUCK3OUT_DVS0 = 0x17, + PCA9450_REG_BUCK3OUT_DVS1 = 0x18, + PCA9450_REG_BUCK4CTRL = 0x19, + PCA9450_REG_BUCK4OUT = 0x1A, + PCA9450_REG_BUCK5CTRL = 0x1B, + PCA9450_REG_BUCK5OUT = 0x1C, + PCA9450_REG_BUCK6CTRL = 0x1D, + PCA9450_REG_BUCK6OUT = 0x1E, + PCA9450_REG_LDO_AD_CTRL = 0x20, + PCA9450_REG_LDO1CTRL = 0x21, + PCA9450_REG_LDO2CTRL = 0x22, + PCA9450_REG_LDO3CTRL = 0x23, + PCA9450_REG_LDO4CTRL = 0x24, + PCA9450_REG_LDO5CTRL_L = 0x25, + PCA9450_REG_LDO5CTRL_H = 0x26, + PCA9450_REG_LOADSW_CTRL = 0x2A, + PCA9450_REG_VRFLT1_STS = 0x2B, + PCA9450_REG_VRFLT2_STS = 0x2C, + PCA9450_REG_VRFLT1_MASK = 0x2D, + PCA9450_REG_VRFLT2_MASK = 0x2E, + PCA9450_MAX_REGISTER = 0x2F, +}; + +/* PCA9450 BUCK ENMODE bits */ +#define BUCK_ENMODE_OFF 0x00 +#define BUCK_ENMODE_ONREQ 0x01 +#define BUCK_ENMODE_ONREQ_STBYREQ 0x02 +#define BUCK_ENMODE_ON 0x03 + +/* PCA9450_REG_BUCK1_CTRL bits */ +#define BUCK1_RAMP_MASK 0xC0 +#define BUCK1_RAMP_25MV 0x0 +#define BUCK1_RAMP_12P5MV 0x1 +#define BUCK1_RAMP_6P25MV 0x2 +#define BUCK1_RAMP_3P125MV 0x3 +#define BUCK1_DVS_CTRL 0x10 +#define BUCK1_AD 0x08 +#define BUCK1_FPWM 0x04 +#define BUCK1_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK2_CTRL bits */ +#define BUCK2_RAMP_MASK 0xC0 +#define BUCK2_RAMP_25MV 0x0 +#define BUCK2_RAMP_12P5MV 0x1 +#define BUCK2_RAMP_6P25MV 0x2 +#define BUCK2_RAMP_3P125MV 0x3 +#define BUCK2_DVS_CTRL 0x10 +#define BUCK2_AD 0x08 +#define BUCK2_FPWM 0x04 +#define BUCK2_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK3_CTRL bits */ +#define BUCK3_RAMP_MASK 0xC0 +#define BUCK3_RAMP_25MV 0x0 +#define BUCK3_RAMP_12P5MV 0x1 +#define BUCK3_RAMP_6P25MV 0x2 +#define BUCK3_RAMP_3P125MV 0x3 +#define BUCK3_DVS_CTRL 0x10 +#define BUCK3_AD 0x08 +#define BUCK3_FPWM 0x04 +#define BUCK3_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK4_CTRL bits */ +#define BUCK4_AD 0x08 +#define BUCK4_FPWM 0x04 +#define BUCK4_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK5_CTRL bits */ +#define BUCK5_AD 0x08 +#define BUCK5_FPWM 0x04 +#define BUCK5_ENMODE_MASK 0x03 + +/* PCA9450_REG_BUCK6_CTRL bits */ +#define BUCK6_AD 0x08 +#define BUCK6_FPWM 0x04 +#define BUCK6_ENMODE_MASK 0x03 + +/* PCA9450_BUCK1OUT_DVS0 bits */ +#define BUCK1OUT_DVS0_MASK 0x7F +#define BUCK1OUT_DVS0_DEFAULT 0x14 + +/* PCA9450_BUCK1OUT_DVS1 bits */ +#define BUCK1OUT_DVS1_MASK 0x7F +#define BUCK1OUT_DVS1_DEFAULT 0x14 + +/* PCA9450_BUCK2OUT_DVS0 bits */ +#define BUCK2OUT_DVS0_MASK 0x7F +#define BUCK2OUT_DVS0_DEFAULT 0x14 + +/* PCA9450_BUCK2OUT_DVS1 bits */ +#define BUCK2OUT_DVS1_MASK 0x7F +#define BUCK2OUT_DVS1_DEFAULT 0x14 + +/* PCA9450_BUCK3OUT_DVS0 bits */ +#define BUCK3OUT_DVS0_MASK 0x7F +#define BUCK3OUT_DVS0_DEFAULT 0x14 + +/* PCA9450_BUCK3OUT_DVS1 bits */ +#define BUCK3OUT_DVS1_MASK 0x7F +#define BUCK3OUT_DVS1_DEFAULT 0x14 + +/* PCA9450_REG_BUCK4OUT bits */ +#define BUCK4OUT_MASK 0x7F +#define BUCK4OUT_DEFAULT 0x6C + +/* PCA9450_REG_BUCK5OUT bits */ +#define BUCK5OUT_MASK 0x7F +#define BUCK5OUT_DEFAULT 0x30 + +/* PCA9450_REG_BUCK6OUT bits */ +#define BUCK6OUT_MASK 0x7F +#define BUCK6OUT_DEFAULT 0x14 + +/* PCA9450_REG_LDO1_VOLT bits */ +#define LDO1_EN_MASK 0xC0 +#define LDO1OUT_MASK 0x07 + +/* PCA9450_REG_LDO2_VOLT bits */ +#define LDO2_EN_MASK 0xC0 +#define LDO2OUT_MASK 0x07 + +/* PCA9450_REG_LDO3_VOLT bits */ +#define LDO3_EN_MASK 0xC0 +#define LDO3OUT_MASK 0x0F + +/* PCA9450_REG_LDO4_VOLT bits */ +#define LDO4_EN_MASK 0xC0 +#define LDO4OUT_MASK 0x0F + +/* PCA9450_REG_LDO5_VOLT bits */ +#define LDO5L_EN_MASK 0xC0 +#define LDO5LOUT_MASK 0x0F + +#define LDO5H_EN_MASK 0xC0 +#define LDO5HOUT_MASK 0x0F + +/* PCA9450_REG_IRQ bits */ +#define IRQ_PWRON 0x80 +#define IRQ_WDOGB 0x40 +#define IRQ_RSVD 0x20 +#define IRQ_VR_FLT1 0x10 +#define IRQ_VR_FLT2 0x08 +#define IRQ_LOWVSYS 0x04 +#define IRQ_THERM_105 0x02 +#define IRQ_THERM_125 0x01 + +#endif /* __LINUX_REG_PCA9450_H__ */ From patchwork Fri Jul 3 16:19:36 2020 Content-Type: text/plain; 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Fri, 3 Jul 2020 08:05:22 +0000 From: Robin Gong To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, frieder.schrempf@kontron.de, catalin.marinas@arm.com, will@kernel.org, shawnguo@kernel.org, anson.huang@nxp.com, festevam@gmail.com, s.hauer@pengutronix.de, john.lee@nxp.com Subject: [PATCH v2 2/4] dt-bindings: regulator: add pca9450 regulator yaml Date: Sat, 4 Jul 2020 00:19:36 +0800 Message-Id: <1593793178-9737-3-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593793178-9737-1-git-send-email-yibin.gong@nxp.com> References: <1593793178-9737-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0160.apcprd01.prod.exchangelabs.com (2603:1096:4:28::16) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0160.apcprd01.prod.exchangelabs.com (2603:1096:4:28::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.21 via Frontend Transport; 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Signed-off-by: Robin Gong Reviewed-by: Rob Herring --- .../bindings/regulator/nxp,pca9450-regulator.yaml | 190 +++++++++++++++++++++ 1 file changed, 190 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml new file mode 100644 index 00000000..c2b0a8b --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml @@ -0,0 +1,190 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/nxp,pca9450-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP PCA9450A/B/C Power Management Integrated Circuit regulators + +maintainers: + - Robin Gong + +description: | + Regulator nodes should be named to BUCK_ and LDO_. The + definition for each of these nodes is defined using the standard + binding for regulators at + Documentation/devicetree/bindings/regulator/regulator.txt. + Datasheet is available at + https://www.nxp.com/docs/en/data-sheet/PCA9450DS.pdf + +#The valid names for PCA9450 regulator nodes are: +#BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, +#LDO1, LDO2, LDO3, LDO4, LDO5 +#Note: Buck3 removed on PCA9450B and connect with Buck1 on PCA9450C. + +properties: + compatible: + enum: + - nxp,pca9450a + - nxp,pca9450b + - nxp,pca9450c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + regulators: + type: object + description: | + list of regulators provided by this controller + + patternProperties: + "^LDO[1-5]$": + type: object + $ref: regulator.yaml# + description: + Properties for single LDO regulator. + + properties: + regulator-name: + pattern: "^LDO[1-5]$" + description: + should be "LDO1", ..., "LDO5" + + unevaluatedProperties: false + + "^BUCK[1-6]$": + type: object + $ref: regulator.yaml# + description: + Properties for single BUCK regulator. + + properties: + regulator-name: + pattern: "^BUCK[1-6]$" + description: + should be "BUCK1", ..., "BUCK6" + + nxp,dvs-run-voltage: + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 600000 + maximum: 2187500 + description: + PMIC default "RUN" state voltage in uV. Only Buck1~3 have such + dvs(dynamic voltage scaling) property. + + nxp,dvs-standby-voltage: + $ref: "/schemas/types.yaml#/definitions/uint32" + minimum: 600000 + maximum: 2187500 + description: + PMIC default "STANDBY" state voltage in uV. Only Buck1~3 have such + dvs(dynamic voltage scaling) property. + + unevaluatedProperties: false + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - regulators + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + pmic: pmic@25 { + compatible = "nxp,pca9450b"; + reg = <0x25>; + pinctrl-0 = <&pinctrl_pmic>; + interrupt-parent = <&gpio1>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; + + regulators { + buck1: BUCK1 { + regulator-name = "BUCK1"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + }; + buck2: BUCK2 { + regulator-name = "BUCK2"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + nxp,dvs-run-voltage = <950000>; + nxp,dvs-standby-voltage = <850000>; + }; + buck4: BUCK4 { + regulator-name = "BUCK4"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + buck5: BUCK5 { + regulator-name = "BUCK5"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + buck6: BUCK6 { + regulator-name = "BUCK6"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1: LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <1600000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + ldo2: LDO2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1150000>; + regulator-boot-on; + regulator-always-on; + }; + ldo3: LDO3 { + regulator-name = "LDO3"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + ldo4: LDO4 { + regulator-name = "LDO4"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + ldo5: LDO5 { + regulator-name = "LDO5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; + }; From patchwork Fri Jul 3 16:19:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Gong X-Patchwork-Id: 11641085 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A17FE14B7 for ; Fri, 3 Jul 2020 08:06:46 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7A58C206A1 for ; Fri, 3 Jul 2020 08:06:46 +0000 (UTC) Authentication-Results: mail.kernel.org; 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dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) by VI1PR0401MB2302.eurprd04.prod.outlook.com (2603:10a6:800:2b::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.23; Fri, 3 Jul 2020 08:05:27 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d%6]) with mapi id 15.20.3153.028; Fri, 3 Jul 2020 08:05:27 +0000 From: Robin Gong To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, frieder.schrempf@kontron.de, catalin.marinas@arm.com, will@kernel.org, shawnguo@kernel.org, anson.huang@nxp.com, festevam@gmail.com, s.hauer@pengutronix.de, john.lee@nxp.com Subject: [PATCH v2 3/4] arm64: dts: imx8mn-evk: add pca9450 for i.mx8mn-evk board Date: Sat, 4 Jul 2020 00:19:37 +0800 Message-Id: <1593793178-9737-4-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593793178-9737-1-git-send-email-yibin.gong@nxp.com> References: <1593793178-9737-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0160.apcprd01.prod.exchangelabs.com (2603:1096:4:28::16) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0160.apcprd01.prod.exchangelabs.com (2603:1096:4:28::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.21 via Frontend Transport; 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Signed-off-by: Robin Gong --- arch/arm64/boot/dts/freescale/imx8mn-evk.dts | 96 +++++++++++++++++++++++++++ arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 6 ++ 2 files changed, 102 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts index 61f3519..b846526 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts @@ -13,6 +13,102 @@ compatible = "fsl,imx8mn-evk", "fsl,imx8mn"; }; +&i2c1 { + pmic: pmic@25 { + compatible = "nxp,pca9450b"; + reg = <0x25>; + pinctrl-0 = <&pinctrl_pmic>; + interrupt-parent = <&gpio1>; + interrupts = <3 GPIO_ACTIVE_LOW>; + + regulators { + buck1: BUCK1{ + regulator-name = "BUCK1"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + }; + + buck2: BUCK2 { + regulator-name = "BUCK2"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + nxp,dvs-run-voltage = <950000>; + nxp,dvs-standby-voltage = <850000>; + }; + + buck4: BUCK4{ + regulator-name = "BUCK4"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + buck5: BUCK5{ + regulator-name = "BUCK5"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + buck6: BUCK6 { + regulator-name = "BUCK6"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <3400000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1: LDO1 { + regulator-name = "LDO1"; + regulator-min-microvolt = <1600000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2: LDO2 { + regulator-name = "LDO2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1150000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3: LDO3 { + regulator-name = "LDO3"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4: LDO4 { + regulator-name = "LDO4"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo5: LDO5 { + regulator-name = "LDO5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; +}; + &A53_0 { /delete-property/operating-points-v2; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi index 85fc0aa..98f5324 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi @@ -223,6 +223,12 @@ >; }; + pinctrl_pmic: pmicirq { + fsl,pins = < + MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41 + >; + }; + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmc { fsl,pins = < MX8MN_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x41 From patchwork Fri Jul 3 16:19:38 2020 Content-Type: text/plain; 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Fri, 3 Jul 2020 08:05:34 +0000 From: Robin Gong To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, frieder.schrempf@kontron.de, catalin.marinas@arm.com, will@kernel.org, shawnguo@kernel.org, anson.huang@nxp.com, festevam@gmail.com, s.hauer@pengutronix.de, john.lee@nxp.com Subject: [PATCH v2 4/4] arm64: configs: add pca9450 pmic driver Date: Sat, 4 Jul 2020 00:19:38 +0800 Message-Id: <1593793178-9737-5-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593793178-9737-1-git-send-email-yibin.gong@nxp.com> References: <1593793178-9737-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0160.apcprd01.prod.exchangelabs.com (2603:1096:4:28::16) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0160.apcprd01.prod.exchangelabs.com (2603:1096:4:28::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.21 via Frontend Transport; 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Signed-off-by: Robin Gong --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index d786bd9..abd0438 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -557,6 +557,7 @@ CONFIG_REGULATOR_HI6421V530=y CONFIG_REGULATOR_HI655X=y CONFIG_REGULATOR_MAX77620=y CONFIG_REGULATOR_MAX8973=y +CONFIG_REGULATOR_PCA9450=y CONFIG_REGULATOR_PFUZE100=y CONFIG_REGULATOR_PWM=y CONFIG_REGULATOR_QCOM_RPMH=y