From patchwork Wed Nov 4 17:12:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Davis X-Patchwork-Id: 540084 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id AEFDF140FF1 for ; Thu, 5 Nov 2015 04:15:04 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030519AbbKDRNT (ORCPT ); Wed, 4 Nov 2015 12:13:19 -0500 Received: from [192.94.94.41] ([192.94.94.41]:45068 "EHLO bear.ext.ti.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S964920AbbKDRNM (ORCPT ); Wed, 4 Nov 2015 12:13:12 -0500 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id tA4HCIBg031883; Wed, 4 Nov 2015 11:12:18 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id tA4HCIkL010947; Wed, 4 Nov 2015 11:12:18 -0600 Received: from dlep32.itg.ti.com (157.170.170.100) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.224.2; Wed, 4 Nov 2015 11:12:18 -0600 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id tA4HCH8s000892; Wed, 4 Nov 2015 11:12:17 -0600 Received: from localhost (uda0226330.am.dhcp.ti.com [128.247.8.252]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id tA4HCH927240; Wed, 4 Nov 2015 11:12:17 -0600 (CST) From: "Andrew F. Davis" To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Linus Walleij , Alexandre Courbot , Samuel Ortiz , Lee Jones , Liam Girdwood , Mark Brown CC: , , , "Andrew F. Davis" Subject: [PATCH v3 4/6] mfd: tps65086: Add driver for the TPS65086 PMIC Date: Wed, 4 Nov 2015 11:12:13 -0600 Message-ID: <1446657135-7820-5-git-send-email-afd@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1446657135-7820-1-git-send-email-afd@ti.com> References: <1446657135-7820-1-git-send-email-afd@ti.com> MIME-Version: 1.0 Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add support for the TPS65912 device. It provides communication through I2C and contains the following components: - Regulators - Load switches - GPO controller Signed-off-by: Andrew F. Davis --- drivers/mfd/Kconfig | 14 ++++ drivers/mfd/Makefile | 1 + drivers/mfd/tps65086.c | 157 +++++++++++++++++++++++++++++++++++++++++++ include/linux/mfd/tps65086.h | 120 +++++++++++++++++++++++++++++++++ 4 files changed, 292 insertions(+) create mode 100644 drivers/mfd/tps65086.c create mode 100644 include/linux/mfd/tps65086.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 99d6367..b46ee3b9 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1093,6 +1093,20 @@ config TPS6507X This driver can also be built as a module. If so, the module will be called tps6507x. +config MFD_TPS65086 + tristate "TI TPS65086 Power Management Integrated Chips (PMICs)" + select REGMAP + select REGMAP_IRQ + select REGMAP_I2C + depends on I2C + depends on OF || COMPILE_TEST + help + If you say yes here you get support for the TPS65086 series of + Power Management chips. + This driver provides common support for accessing the device, + additional drivers must be enabled in order to use the + functionality of the device. + config TPS65911_COMPARATOR tristate diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index a59e3fc..7adb902 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -66,6 +66,7 @@ obj-$(CONFIG_MFD_WM8994) += wm8994-core.o wm8994-irq.o wm8994-regmap.o obj-$(CONFIG_TPS6105X) += tps6105x.o obj-$(CONFIG_TPS65010) += tps65010.o obj-$(CONFIG_TPS6507X) += tps6507x.o +obj-$(CONFIG_MFD_TPS65086) += tps65086.o obj-$(CONFIG_MFD_TPS65217) += tps65217.o obj-$(CONFIG_MFD_TPS65218) += tps65218.o obj-$(CONFIG_MFD_TPS65910) += tps65910.o diff --git a/drivers/mfd/tps65086.c b/drivers/mfd/tps65086.c new file mode 100644 index 0000000..db9130e --- /dev/null +++ b/drivers/mfd/tps65086.c @@ -0,0 +1,157 @@ +/* + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ + * + * Author: Andrew F. Davis + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether expressed or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License version 2 for more details. + * + * Based on the TPS65912 driver + */ + +#include +#include +#include +#include +#include + +#include + +static const struct mfd_cell tps65086_cells[] = { + { + .name = "tps65086-regulator", + .of_compatible = "ti,tps65086-regulator", + }, + { + .name = "tps65086-gpio", + .of_compatible = "ti,tps65086-gpio", + }, +}; + +static const struct regmap_range tps65086_yes_ranges[] = { + regmap_reg_range(TPS65086_IRQ, TPS65086_IRQ), + regmap_reg_range(TPS65086_PMICSTAT, TPS65086_SHUTDNSRC), + regmap_reg_range(TPS65086_GPOCTRL, TPS65086_GPOCTRL), + regmap_reg_range(TPS65086_PG_STATUS1, TPS65086_OC_STATUS), +}; + +static const struct regmap_access_table tps65086_volatile_table = { + .yes_ranges = tps65086_yes_ranges, + .n_yes_ranges = ARRAY_SIZE(tps65086_yes_ranges), +}; + +static const struct regmap_config tps65086_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .cache_type = REGCACHE_RBTREE, + .volatile_table = &tps65086_volatile_table, +}; + +static const struct regmap_irq tps65086_irqs[] = { + REGMAP_IRQ_REG(TPS65086_IRQ_DIETEMP, 0, TPS65086_IRQ_DIETEMP_MASK), + REGMAP_IRQ_REG(TPS65086_IRQ_SHUTDN, 0, TPS65086_IRQ_SHUTDN_MASK), + REGMAP_IRQ_REG(TPS65086_IRQ_FAULT, 0, TPS65086_IRQ_FAULT_MASK), +}; + +static struct regmap_irq_chip tps65086_irq_chip = { + .name = "tps65086", + .status_base = TPS65086_IRQ, + .mask_base = TPS65086_IRQ_MASK, + .ack_base = TPS65086_IRQ, + .init_ack_masked = true, + .num_regs = 1, + .irqs = tps65086_irqs, + .num_irqs = ARRAY_SIZE(tps65086_irqs), +}; + +static const struct of_device_id tps65086_of_match_table[] = { + { .compatible = "ti,tps65086", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, tps65086_of_match_table); + +static int tps65086_probe(struct i2c_client *client, + const struct i2c_device_id *ids) +{ + struct tps65086 *tps; + unsigned int version; + int ret; + + tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); + if (!tps) + return -ENOMEM; + + i2c_set_clientdata(client, tps); + tps->dev = &client->dev; + tps->irq = client->irq; + + tps->regmap = devm_regmap_init_i2c(client, &tps65086_regmap_config); + if (IS_ERR(tps->regmap)) { + dev_err(tps->dev, "Failed to initialize register map\n"); + return PTR_ERR(tps->regmap); + } + + ret = regmap_read(tps->regmap, TPS65086_DEVICEID, &version); + if (ret) { + dev_err(tps->dev, "Failed to read revision register\n"); + return ret; + } + + dev_info(tps->dev, "Device: TPS65086%01lX, OTP: %c, Rev: %ld\n", + (version & TPS65086_DEVICEID_PART_MASK), + (char)((version & TPS65086_DEVICEID_OTP_MASK) >> 4) + 'A', + (version & TPS65086_DEVICEID_REV_MASK) >> 6); + + ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0, + &tps65086_irq_chip, &tps->irq_data); + if (ret) { + dev_err(tps->dev, "Failed to register IRQ chip\n"); + return ret; + } + + ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65086_cells, + ARRAY_SIZE(tps65086_cells), NULL, 0, + regmap_irq_get_domain(tps->irq_data)); + if (ret) { + regmap_del_irq_chip(tps->irq, tps->irq_data); + return ret; + } + + return 0; +} + +static int tps65086_remove(struct i2c_client *client) +{ + struct tps65086 *tps = i2c_get_clientdata(client); + + regmap_del_irq_chip(tps->irq, tps->irq_data); + + return 0; +} + +static const struct i2c_device_id tps65086_id_table[] = { + { "tps65086", 0 }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(i2c, tps65086_id_table); + +static struct i2c_driver tps65086_driver = { + .driver = { + .name = "tps65086", + .of_match_table = tps65086_of_match_table, + }, + .probe = tps65086_probe, + .remove = tps65086_remove, + .id_table = tps65086_id_table, +}; +module_i2c_driver(tps65086_driver); + +MODULE_AUTHOR("Andrew F. Davis "); +MODULE_DESCRIPTION("TPS65086 PMIC Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/include/linux/mfd/tps65086.h b/include/linux/mfd/tps65086.h new file mode 100644 index 0000000..2a9e9dd --- /dev/null +++ b/include/linux/mfd/tps65086.h @@ -0,0 +1,120 @@ +/* + * TI TPS65086x + * + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ + * + * Author: Andrew F. Davis + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether expressed or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License version 2 for more details. + * + * Based on the TPS65912 driver + */ + +#ifndef __LINUX_MFD_TPS65086_H +#define __LINUX_MFD_TPS65086_H + +#include +#include + +/* List of registers for TPS65086 */ +#define TPS65086_DEVICEID 0x01 +#define TPS65086_IRQ 0x02 +#define TPS65086_IRQ_MASK 0x03 +#define TPS65086_PMICSTAT 0x04 +#define TPS65086_SHUTDNSRC 0x05 +#define TPS65086_BUCK1CTRL 0x20 +#define TPS65086_BUCK2CTRL 0x21 +#define TPS65086_BUCK3DECAY 0x22 +#define TPS65086_BUCK3VID 0x23 +#define TPS65086_BUCK3SLPCTRL 0x24 +#define TPS65086_BUCK4CTRL 0x25 +#define TPS65086_BUCK5CTRL 0x26 +#define TPS65086_BUCK6CTRL 0x27 +#define TPS65086_LDOA2CTRL 0x28 +#define TPS65086_LDOA3CTRL 0x29 +#define TPS65086_DISCHCTRL1 0x40 +#define TPS65086_DISCHCTRL2 0x41 +#define TPS65086_DISCHCTRL3 0x42 +#define TPS65086_PG_DELAY1 0x43 +#define TPS65086_FORCESHUTDN 0x91 +#define TPS65086_BUCK1SLPCTRL 0x92 +#define TPS65086_BUCK2SLPCTRL 0x93 +#define TPS65086_BUCK4VID 0x94 +#define TPS65086_BUCK4SLPVID 0x95 +#define TPS65086_BUCK5VID 0x96 +#define TPS65086_BUCK5SLPVID 0x97 +#define TPS65086_BUCK6VID 0x98 +#define TPS65086_BUCK6SLPVID 0x99 +#define TPS65086_LDOA2VID 0x9A +#define TPS65086_LDOA3VID 0x9B +#define TPS65086_BUCK123CTRL 0x9C +#define TPS65086_PG_DELAY2 0x9D +#define TPS65086_PIN_EN_MASK1 0x9E +#define TPS65086_PIN_EN_MASK2 0x9F +#define TPS65086_SWVTT_EN 0x9F +#define TPS65086_PIN_EN_OVR1 0xA0 +#define TPS65086_PIN_EN_OVR2 0xA1 +#define TPS65086_GPOCTRL 0xA1 +#define TPS65086_PWR_FAULT_MASK1 0xA2 +#define TPS65086_PWR_FAULT_MASK2 0xA3 +#define TPS65086_GPO1PG_CTRL1 0xA4 +#define TPS65086_GPO1PG_CTRL2 0xA5 +#define TPS65086_GPO4PG_CTRL1 0xA6 +#define TPS65086_GPO4PG_CTRL2 0xA7 +#define TPS65086_GPO2PG_CTRL1 0xA8 +#define TPS65086_GPO2PG_CTRL2 0xA9 +#define TPS65086_GPO3PG_CTRL1 0xAA +#define TPS65086_GPO3PG_CTRL2 0xAB +#define TPS65086_LDOA1CTRL 0xAE +#define TPS65086_PG_STATUS1 0xB0 +#define TPS65086_PG_STATUS2 0xB1 +#define TPS65086_PWR_FAULT_STATUS1 0xB2 +#define TPS65086_PWR_FAULT_STATUS2 0xB3 +#define TPS65086_TEMPCRIT 0xB4 +#define TPS65086_TEMPHOT 0xB5 +#define TPS65086_OC_STATUS 0xB6 + +/* IRQ Register field definitions */ +#define TPS65086_IRQ_DIETEMP_MASK BIT(0) +#define TPS65086_IRQ_SHUTDN_MASK BIT(3) +#define TPS65086_IRQ_FAULT_MASK BIT(7) + +/* DEVICEID Register field definitions */ +#define TPS65086_DEVICEID_PART_MASK GENMASK(3, 0) +#define TPS65086_DEVICEID_OTP_MASK GENMASK(5, 4) +#define TPS65086_DEVICEID_REV_MASK GENMASK(7, 6) + +/* VID Masks */ +#define BUCK_VID_MASK GENMASK(7, 1) +#define VDOA1_VID_MASK GENMASK(4, 1) +#define VDOA23_VID_MASK GENMASK(3, 0) + +/* Define the TPS65086 IRQ numbers */ +enum tps65086_irqs { + TPS65086_IRQ_DIETEMP, + TPS65086_IRQ_SHUTDN, + TPS65086_IRQ_FAULT, +}; + +/* + * struct tps65086 - state holder for the tps65086 driver + * + * Device data may be used to access the TPS65086 chip + */ +struct tps65086 { + struct device *dev; + struct regmap *regmap; + + /* IRQ Data */ + int irq; + struct regmap_irq_chip_data *irq_data; +}; + +#endif /* __LINUX_MFD_TPS65086_H */