From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18343C43A1D for ; Thu, 12 Jul 2018 13:00:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 80D2D20BF2 for ; Thu, 12 Jul 2018 13:00:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="kq+SA+VA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 80D2D20BF2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732426AbeGLNJs (ORCPT ); Thu, 12 Jul 2018 09:09:48 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:45500 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732390AbeGLNJs (ORCPT ); Thu, 12 Jul 2018 09:09:48 -0400 Received: by mail-wr1-f67.google.com with SMTP id c4-v6so8950566wrs.12 for ; Thu, 12 Jul 2018 06:00:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=nIyjfR0fjqL9aOrfhytCHpiai44QqqPXUgXQ3ZCtbuU=; b=kq+SA+VAH9wasuoMBvZ0ofTDPb08ba6FuekywDyaSe+Zobq0+eSWe4C0p1fPXq+FXB L69pburrkPRa7DV7zlm/HDAs2oqd71TshbYSNCTiF6WXFyJztidguHj49f1GCHsvhXtj Jo6sOb6whHgGcozFD4ux8EfPXRp0oW969OyOA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=nIyjfR0fjqL9aOrfhytCHpiai44QqqPXUgXQ3ZCtbuU=; b=h597L9fhfreGSETd9NuJbBF3yHQoJcfUSZGDKdUD/Xah5qsInFb8Ngogbwh6alhx7G e8nZip0IouXmBPI8ygHiKDCS+ToxqLX8rUeH3jyixdTsC3HSppFcaMkzj8ExKG8qHa55 0NdsG4HNXCZNmZxyZR7k6Y8zORkAqAaWZoFvxiPpkIkGP5dtXgq226fnBVUqlMmXdNlN Wm0JUJ3E4l0rKR2rYs4zIEFqPewhRjrSpNMrSzsM1KtoEPmjUaRQf0ZYHHmyI6jxGeFn wG8OXHU+yWscbNYlq75TTtMlu/YfzokoKS9KuZHpWW/+1w8fI25c/4424iixQrLh9Byq kvhA== X-Gm-Message-State: AOUpUlETfyqQc6azuaWdhkpri7/fxMwMpV3GCxy6aNRru2r3j4jiJAsO lMGcytzC9X05koSc+/Mv4dzorQ== X-Google-Smtp-Source: AAOMgpfUGGOVFpeR7WihL4cG4ZE0c+NAGqflicJQdPouYf3/tXDhavg1aq+LmszEsLxTk2PFXYSu9w== X-Received: by 2002:adf:cd0e:: with SMTP id w14-v6mr1622049wrm.226.1531400416783; Thu, 12 Jul 2018 06:00:16 -0700 (PDT) Received: from dell ([2.27.167.87]) by smtp.gmail.com with ESMTPSA id 125-v6sm7664624wmw.9.2018.07.12.06.00.15 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 12 Jul 2018 06:00:15 -0700 (PDT) Date: Thu, 12 Jul 2018 14:00:13 +0100 From: Lee Jones To: Matti Vaittinen Cc: mturquette@baylibre.com, robh+dt@kernel.org, sboyd@kernel.org, mark.rutland@arm.com, lgirdwood@gmail.com, broonie@kernel.org, mazziesaccount@gmail.com, arnd@arndb.de, dmitry.torokhov@gmail.com, sre@kernel.org, chenjh@rock-chips.com, andrew.smirnov@gmail.com, linus.walleij@linaro.org, kstewart@linuxfoundation.org, heiko@sntech.de, gregkh@linuxfoundation.org, eballetbo@gmail.com, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, mikko.mutanen@fi.rohmeurope.com, heikki.haikola@fi.rohmeurope.com Subject: Re: [PATCH v10 1/2] mfd: bd71837: mfd driver for ROHM BD71837 PMIC Message-ID: <20180712130013.GJ4641@dell> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 05 Jul 2018, Matti Vaittinen wrote: > ROHM BD71837 PMIC MFD driver providing interrupts and support > for three subsystems: > - clk > - Regulators > - input/power-key > > Signed-off-by: Matti Vaittinen > --- > drivers/mfd/Kconfig | 13 ++ > drivers/mfd/Makefile | 1 + > drivers/mfd/rohm-bd718x7.c | 198 +++++++++++++++++++++++ > include/linux/mfd/rohm-bd718x7.h | 333 +++++++++++++++++++++++++++++++++++++++ > 4 files changed, 545 insertions(+) > create mode 100644 drivers/mfd/rohm-bd718x7.c > create mode 100644 include/linux/mfd/rohm-bd718x7.h Just a few nits. See below. > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > index b860eb5aa194..ac317c9bf065 100644 > --- a/drivers/mfd/Kconfig > +++ b/drivers/mfd/Kconfig > @@ -1787,6 +1787,19 @@ config MFD_STW481X > in various ST Microelectronics and ST-Ericsson embedded > Nomadik series. > > +config MFD_ROHM_BD718XX > + tristate "ROHM BD71837 Power Management IC" > + depends on I2C=y > + depends on OF > + select REGMAP_I2C > + select REGMAP_IRQ > + select MFD_CORE > + help > + Select this option to get support for the ROHM BD71837 > + Power Management ICs. BD71837 is designed to power processors like > + NXP i.MX8. It contains 8 BUCK outputs and 7 LDOs, voltage monitoring > + and emergency shut down as well as 32,768KHz clock output. > + > config MFD_STM32_LPTIMER > tristate "Support for STM32 Low-Power Timer" > depends on (ARCH_STM32 && OF) || COMPILE_TEST > diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile > index e9fd20dba18d..c7a5c3b0e776 100644 > --- a/drivers/mfd/Makefile > +++ b/drivers/mfd/Makefile > @@ -227,4 +227,5 @@ obj-$(CONFIG_MFD_STM32_TIMERS) += stm32-timers.o > obj-$(CONFIG_MFD_MXS_LRADC) += mxs-lradc.o > obj-$(CONFIG_MFD_SC27XX_PMIC) += sprd-sc27xx-spi.o > obj-$(CONFIG_RAVE_SP_CORE) += rave-sp.o > +obj-$(CONFIG_MFD_ROHM_BD718XX) += rohm-bd718x7.o > > diff --git a/drivers/mfd/rohm-bd718x7.c b/drivers/mfd/rohm-bd718x7.c > new file mode 100644 > index 000000000000..34df74940dfa > --- /dev/null > +++ b/drivers/mfd/rohm-bd718x7.c > @@ -0,0 +1,198 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +// > +// Copyright (C) 2018 ROHM Semiconductors > +// > +// ROHM BD71837MWV PMIC driver > +// > +// Datasheet available from > +// https://www.rohm.com/datasheet/BD71837MWV/bd71837mwv-e > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +/* > + * gpio_keys.h requires definiton of bool. It is brought in > + * by abowe includes. Keep this as last untill gpio_keys.h gets fixed. Nit: Spell check. > + */ > +#include > + > +static struct gpio_keys_button button = { > + .code = KEY_POWER, > + .gpio = -1, > + .type = EV_KEY, > +}; > + > +static struct gpio_keys_platform_data bd718xx_powerkey_data = { > + .buttons = &button, > + .nbuttons = 1, > + .name = "bd718xx-pwrkey", > +}; > + > +static struct mfd_cell bd71837_mfd_cells[] = { > + { > + .name = "gpio-keys", > + .platform_data = &bd718xx_powerkey_data, > + .pdata_size = sizeof(bd718xx_powerkey_data), > + }, > + { .name = "bd71837-clk", }, > + { .name = "bd71837-pmic", }, > +}; > + > +static const struct regmap_irq bd71837_irqs[] = { > + REGMAP_IRQ_REG(BD71837_INT_SWRST, 0, BD71837_INT_SWRST_MASK), > + REGMAP_IRQ_REG(BD71837_INT_PWRBTN_S, 0, BD71837_INT_PWRBTN_S_MASK), > + REGMAP_IRQ_REG(BD71837_INT_PWRBTN_L, 0, BD71837_INT_PWRBTN_L_MASK), > + REGMAP_IRQ_REG(BD71837_INT_PWRBTN, 0, BD71837_INT_PWRBTN_MASK), > + REGMAP_IRQ_REG(BD71837_INT_WDOG, 0, BD71837_INT_WDOG_MASK), > + REGMAP_IRQ_REG(BD71837_INT_ON_REQ, 0, BD71837_INT_ON_REQ_MASK), > + REGMAP_IRQ_REG(BD71837_INT_STBY_REQ, 0, BD71837_INT_STBY_REQ_MASK), > +}; > + > +static struct regmap_irq_chip bd71837_irq_chip = { > + .name = "bd71837-irq", > + .irqs = bd71837_irqs, > + .num_irqs = ARRAY_SIZE(bd71837_irqs), > + .num_regs = 1, > + .irq_reg_stride = 1, > + .status_base = BD71837_REG_IRQ, > + .mask_base = BD71837_REG_MIRQ, > + .ack_base = BD71837_REG_IRQ, > + .init_ack_masked = true, > + .mask_invert = false, > +}; > + > +static const struct regmap_range pmic_status_range = { > + .range_min = BD71837_REG_IRQ, > + .range_max = BD71837_REG_POW_STATE, > +}; > + > +static const struct regmap_access_table volatile_regs = { > + .yes_ranges = &pmic_status_range, > + .n_yes_ranges = 1, > +}; > + > +static const struct regmap_config bd71837_regmap_config = { > + .reg_bits = 8, > + .val_bits = 8, > + .volatile_table = &volatile_regs, > + .max_register = BD71837_MAX_REGISTER - 1, > + .cache_type = REGCACHE_RBTREE, > +}; > + > +static const struct of_device_id bd71837_of_match[] = { > + { .compatible = "rohm,bd71837", }, > + { } > +}; > +MODULE_DEVICE_TABLE(of, bd71837_of_match); This has no reason for being here. Please move it to *just* before it's about to be used. > +static int bd71837_i2c_probe(struct i2c_client *i2c, > + const struct i2c_device_id *id) > +{ > + struct bd71837 *bd71837; > + int ret; > + unsigned int val; > + > + bd71837 = devm_kzalloc(&i2c->dev, sizeof(struct bd71837), GFP_KERNEL); > + > + if (!bd71837) > + return -ENOMEM; > + > + bd71837->chip_irq = i2c->irq; > + > + if (!bd71837->chip_irq) { > + dev_err(&i2c->dev, "No IRQ configured\n"); > + return -EINVAL; > + } > + > + bd71837->dev = &i2c->dev; > + bd71837->i2c_client = i2c; > + i2c_set_clientdata(i2c, bd71837); > + > + bd71837->regmap = devm_regmap_init_i2c(i2c, &bd71837_regmap_config); > + if (IS_ERR(bd71837->regmap)) { > + dev_err(&i2c->dev, "regmap initialization failed\n"); > + return PTR_ERR(bd71837->regmap); > + } > + > + ret = regmap_read(bd71837->regmap, BD71837_REG_REV, &val); > + if (ret) { > + dev_err(&i2c->dev, "Read BD71837_REG_DEVICE failed\n"); > + return ret; > + } You never do anything with the value here. Please either utilise it, read something useful or remove it. > + ret = devm_regmap_add_irq_chip(&i2c->dev, bd71837->regmap, > + bd71837->chip_irq, IRQF_ONESHOT, 0, > + &bd71837_irq_chip, &bd71837->irq_data); > + if (ret) { > + dev_err(&i2c->dev, "Failed to add irq_chip\n"); > + return ret; > + } > + > + /* Configure short press to 10 milliseconds */ > + ret = regmap_update_bits(bd71837->regmap, > + BD71837_REG_PWRONCONFIG0, > + BD718XX_PWRBTN_PRESS_DURATION_MASK, > + BD718XX_PWRBTN_SHORT_PRESS_10MS); > + if (ret) { > + dev_err(&i2c->dev, "Failed to configure button short press timeout\n"); > + return ret; > + } > + > + /* Configure long press to 10 seconds */ > + ret = regmap_update_bits(bd71837->regmap, > + BD71837_REG_PWRONCONFIG1, > + BD718XX_PWRBTN_PRESS_DURATION_MASK, > + BD718XX_PWRBTN_LONG_PRESS_10S); > + > + if (ret) { > + dev_err(&i2c->dev, "Failed to configure button long press timeout\n"); > + return ret; > + } > + > + button.irq = regmap_irq_get_virq(bd71837->irq_data, > + BD71837_INT_PWRBTN_S); > + > + if (button.irq < 0) { > + dev_err(&i2c->dev, "Failed to get the IRQ\n"); > + return button.irq; > + } > + > + ret = devm_mfd_add_devices(bd71837->dev, PLATFORM_DEVID_AUTO, > + bd71837_mfd_cells, > + ARRAY_SIZE(bd71837_mfd_cells), NULL, 0, > + regmap_irq_get_domain(bd71837->irq_data)); > + if (ret) > + dev_err(&i2c->dev, "Failed to create subdevices\n"); > + > + return ret; > +} > + > +static struct i2c_driver bd71837_i2c_driver = { > + .driver = { > + .name = "rohm-bd718x7", > + .of_match_table = bd71837_of_match, > + }, > + .probe = bd71837_i2c_probe, > +}; > + > +static int __init bd71837_i2c_init(void) > +{ > + return i2c_add_driver(&bd71837_i2c_driver); > +} Nit: '\n' here. > +/* init early so consumer devices can complete system boot */ Nit: s/init/Initialise/ > +subsys_initcall(bd71837_i2c_init); > + > +static void __exit bd71837_i2c_exit(void) > +{ > + i2c_del_driver(&bd71837_i2c_driver); > +} > +module_exit(bd71837_i2c_exit); > + > +MODULE_AUTHOR("Matti Vaittinen "); > +MODULE_DESCRIPTION("ROHM BD71837 Power Management IC driver"); > +MODULE_LICENSE("GPL"); > diff --git a/include/linux/mfd/rohm-bd718x7.h b/include/linux/mfd/rohm-bd718x7.h > new file mode 100644 > index 000000000000..749d72ed9ae5 > --- /dev/null > +++ b/include/linux/mfd/rohm-bd718x7.h > @@ -0,0 +1,333 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > +/* Copyright (C) 2018 ROHM Semiconductors */ > + > +#ifndef __LINUX_MFD_BD71837_H__ > +#define __LINUX_MFD_BD71837_H__ > + > +#include > + > +enum { > + BD71837_BUCK1 = 0, > + BD71837_BUCK2, > + BD71837_BUCK3, > + BD71837_BUCK4, > + BD71837_BUCK5, > + BD71837_BUCK6, > + BD71837_BUCK7, > + BD71837_BUCK8, > + BD71837_LDO1, > + BD71837_LDO2, > + BD71837_LDO3, > + BD71837_LDO4, > + BD71837_LDO5, > + BD71837_LDO6, > + BD71837_LDO7, > + BD71837_REGULATOR_CNT, > +}; > + > +#define BD71837_BUCK1_VOLTAGE_NUM 0x40 > +#define BD71837_BUCK2_VOLTAGE_NUM 0x40 > +#define BD71837_BUCK3_VOLTAGE_NUM 0x40 > +#define BD71837_BUCK4_VOLTAGE_NUM 0x40 > + > +#define BD71837_BUCK5_VOLTAGE_NUM 0x08 > +#define BD71837_BUCK6_VOLTAGE_NUM 0x04 > +#define BD71837_BUCK7_VOLTAGE_NUM 0x08 > +#define BD71837_BUCK8_VOLTAGE_NUM 0x40 > + > +#define BD71837_LDO1_VOLTAGE_NUM 0x04 > +#define BD71837_LDO2_VOLTAGE_NUM 0x02 > +#define BD71837_LDO3_VOLTAGE_NUM 0x10 > +#define BD71837_LDO4_VOLTAGE_NUM 0x10 > +#define BD71837_LDO5_VOLTAGE_NUM 0x10 > +#define BD71837_LDO6_VOLTAGE_NUM 0x10 > +#define BD71837_LDO7_VOLTAGE_NUM 0x10 > + > +enum { > + BD71837_REG_REV = 0x00, > + BD71837_REG_SWRESET = 0x01, > + BD71837_REG_I2C_DEV = 0x02, > + BD71837_REG_PWRCTRL0 = 0x03, > + BD71837_REG_PWRCTRL1 = 0x04, > + BD71837_REG_BUCK1_CTRL = 0x05, > + BD71837_REG_BUCK2_CTRL = 0x06, > + BD71837_REG_BUCK3_CTRL = 0x07, > + BD71837_REG_BUCK4_CTRL = 0x08, > + BD71837_REG_BUCK5_CTRL = 0x09, > + BD71837_REG_BUCK6_CTRL = 0x0A, > + BD71837_REG_BUCK7_CTRL = 0x0B, > + BD71837_REG_BUCK8_CTRL = 0x0C, > + BD71837_REG_BUCK1_VOLT_RUN = 0x0D, > + BD71837_REG_BUCK1_VOLT_IDLE = 0x0E, > + BD71837_REG_BUCK1_VOLT_SUSP = 0x0F, > + BD71837_REG_BUCK2_VOLT_RUN = 0x10, > + BD71837_REG_BUCK2_VOLT_IDLE = 0x11, > + BD71837_REG_BUCK3_VOLT_RUN = 0x12, > + BD71837_REG_BUCK4_VOLT_RUN = 0x13, > + BD71837_REG_BUCK5_VOLT = 0x14, > + BD71837_REG_BUCK6_VOLT = 0x15, > + BD71837_REG_BUCK7_VOLT = 0x16, > + BD71837_REG_BUCK8_VOLT = 0x17, > + BD71837_REG_LDO1_VOLT = 0x18, > + BD71837_REG_LDO2_VOLT = 0x19, > + BD71837_REG_LDO3_VOLT = 0x1A, > + BD71837_REG_LDO4_VOLT = 0x1B, > + BD71837_REG_LDO5_VOLT = 0x1C, > + BD71837_REG_LDO6_VOLT = 0x1D, > + BD71837_REG_LDO7_VOLT = 0x1E, > + BD71837_REG_TRANS_COND0 = 0x1F, > + BD71837_REG_TRANS_COND1 = 0x20, > + BD71837_REG_VRFAULTEN = 0x21, > + BD71837_REG_MVRFLTMASK0 = 0x22, > + BD71837_REG_MVRFLTMASK1 = 0x23, > + BD71837_REG_MVRFLTMASK2 = 0x24, > + BD71837_REG_RCVCFG = 0x25, > + BD71837_REG_RCVNUM = 0x26, > + BD71837_REG_PWRONCONFIG0 = 0x27, > + BD71837_REG_PWRONCONFIG1 = 0x28, > + BD71837_REG_RESETSRC = 0x29, > + BD71837_REG_MIRQ = 0x2A, > + BD71837_REG_IRQ = 0x2B, > + BD71837_REG_IN_MON = 0x2C, > + BD71837_REG_POW_STATE = 0x2D, > + BD71837_REG_OUT32K = 0x2E, > + BD71837_REG_REGLOCK = 0x2F, > + BD71837_REG_OTPVER = 0xFF, > + BD71837_MAX_REGISTER = 0x100, > +}; > + > +#define REGLOCK_PWRSEQ 0x1 > +#define REGLOCK_VREG 0x10 > + > +/* Generic BUCK control masks */ > +#define BD71837_BUCK_SEL 0x02 > +#define BD71837_BUCK_EN 0x01 > +#define BD71837_BUCK_RUN_ON 0x04 > + > +/* Generic LDO masks */ > +#define BD71837_LDO_SEL 0x80 > +#define BD71837_LDO_EN 0x40 > + > +/* BD71837 BUCK ramp rate CTRL reg bits */ > +#define BUCK_RAMPRATE_MASK 0xC0 > +#define BUCK_RAMPRATE_10P00MV 0x0 > +#define BUCK_RAMPRATE_5P00MV 0x1 > +#define BUCK_RAMPRATE_2P50MV 0x2 > +#define BUCK_RAMPRATE_1P25MV 0x3 > + > +/* BD71837_REG_BUCK1_VOLT_RUN bits */ > +#define BUCK1_RUN_MASK 0x3F > +#define BUCK1_RUN_DEFAULT 0x14 > + > +/* BD71837_REG_BUCK1_VOLT_SUSP bits */ > +#define BUCK1_SUSP_MASK 0x3F > +#define BUCK1_SUSP_DEFAULT 0x14 > + > +/* BD71837_REG_BUCK1_VOLT_IDLE bits */ > +#define BUCK1_IDLE_MASK 0x3F > +#define BUCK1_IDLE_DEFAULT 0x14 > + > +/* BD71837_REG_BUCK2_VOLT_RUN bits */ > +#define BUCK2_RUN_MASK 0x3F > +#define BUCK2_RUN_DEFAULT 0x1E > + > +/* BD71837_REG_BUCK2_VOLT_IDLE bits */ > +#define BUCK2_IDLE_MASK 0x3F > +#define BUCK2_IDLE_DEFAULT 0x14 > + > +/* BD71837_REG_BUCK3_VOLT_RUN bits */ > +#define BUCK3_RUN_MASK 0x3F > +#define BUCK3_RUN_DEFAULT 0x1E > + > +/* BD71837_REG_BUCK4_VOLT_RUN bits */ > +#define BUCK4_RUN_MASK 0x3F > +#define BUCK4_RUN_DEFAULT 0x1E > + > +/* BD71837_REG_BUCK5_VOLT bits */ > +#define BUCK5_MASK 0x07 > +#define BUCK5_DEFAULT 0x02 > + > +/* BD71837_REG_BUCK6_VOLT bits */ > +#define BUCK6_MASK 0x03 > +#define BUCK6_DEFAULT 0x03 > + > +/* BD71837_REG_BUCK7_VOLT bits */ > +#define BUCK7_MASK 0x07 > +#define BUCK7_DEFAULT 0x03 > + > +/* BD71837_REG_BUCK8_VOLT bits */ > +#define BUCK8_MASK 0x3F > +#define BUCK8_DEFAULT 0x1E > + > +/* BD71837_REG_IRQ bits */ > +#define IRQ_SWRST 0x40 > +#define IRQ_PWRON_S 0x20 > +#define IRQ_PWRON_L 0x10 > +#define IRQ_PWRON 0x08 > +#define IRQ_WDOG 0x04 > +#define IRQ_ON_REQ 0x02 > +#define IRQ_STBY_REQ 0x01 > + > +/* BD71837_REG_OUT32K bits */ > +#define BD71837_OUT32K_EN 0x01 > + > +/* BD71837 gated clock rate */ > +#define BD71837_CLK_RATE 32768 > + > +/* ROHM BD71837 irqs */ > +enum { > + BD71837_INT_STBY_REQ, > + BD71837_INT_ON_REQ, > + BD71837_INT_WDOG, > + BD71837_INT_PWRBTN, > + BD71837_INT_PWRBTN_L, > + BD71837_INT_PWRBTN_S, > + BD71837_INT_SWRST > +}; > + > +/* ROHM BD71837 interrupt masks */ > +#define BD71837_INT_SWRST_MASK 0x40 > +#define BD71837_INT_PWRBTN_S_MASK 0x20 > +#define BD71837_INT_PWRBTN_L_MASK 0x10 > +#define BD71837_INT_PWRBTN_MASK 0x8 > +#define BD71837_INT_WDOG_MASK 0x4 > +#define BD71837_INT_ON_REQ_MASK 0x2 > +#define BD71837_INT_STBY_REQ_MASK 0x1 > + > +/* BD71837_REG_LDO1_VOLT bits */ > +#define LDO1_MASK 0x03 > + > +/* BD71837_REG_LDO1_VOLT bits */ > +#define LDO2_MASK 0x20 > + > +/* BD71837_REG_LDO3_VOLT bits */ > +#define LDO3_MASK 0x0F > + > +/* BD71837_REG_LDO4_VOLT bits */ > +#define LDO4_MASK 0x0F > + > +/* BD71837_REG_LDO5_VOLT bits */ > +#define LDO5_MASK 0x0F > + > +/* BD71837_REG_LDO6_VOLT bits */ > +#define LDO6_MASK 0x0F > + > +/* BD71837_REG_LDO7_VOLT bits */ > +#define LDO7_MASK 0x0F > + > +/* Register write induced reset settings */ > + > +/* > + * Even though the bit zero is not SWRESET type we still want to write zero > + * to it when changing type. Bit zero is 'SWRESET' trigger bit and if we > + * write 1 to it we will trigger the action. So always write 0 to it when > + * changning SWRESET action - no matter what we read from it. > + */ > +#define BD71837_SWRESET_TYPE_MASK 7 > +#define BD71837_SWRESET_TYPE_DISABLED 0 > +#define BD71837_SWRESET_TYPE_COLD 4 > +#define BD71837_SWRESET_TYPE_WARM 6 > + > +#define BD71837_SWRESET_RESET_MASK 1 > +#define BD71837_SWRESET_RESET 1 > + > +/* Poweroff state transition conditions */ > + > +#define BD718XX_ON_REQ_POWEROFF_MASK 1 > +#define BD718XX_SWRESET_POWEROFF_MASK 2 > +#define BD718XX_WDOG_POWEROFF_MASK 4 > +#define BD718XX_KEY_L_POWEROFF_MASK 8 > + > +#define BD718XX_POWOFF_TO_SNVS 0 > +#define BD718XX_POWOFF_TO_RDY 0xF > + > +#define BD718XX_POWOFF_TIME_MASK 0xF0 > +enum { > + BD718XX_POWOFF_TIME_5MS = 0, > + BD718XX_POWOFF_TIME_10MS, > + BD718XX_POWOFF_TIME_15MS, > + BD718XX_POWOFF_TIME_20MS, > + BD718XX_POWOFF_TIME_25MS, > + BD718XX_POWOFF_TIME_30MS, > + BD718XX_POWOFF_TIME_35MS, > + BD718XX_POWOFF_TIME_40MS, > + BD718XX_POWOFF_TIME_45MS, > + BD718XX_POWOFF_TIME_50MS, > + BD718XX_POWOFF_TIME_75MS, > + BD718XX_POWOFF_TIME_100MS, > + BD718XX_POWOFF_TIME_250MS, > + BD718XX_POWOFF_TIME_500MS, > + BD718XX_POWOFF_TIME_750MS, > + BD718XX_POWOFF_TIME_1500MS > +}; > + > +/* Poweron sequence state transition conditions */ > +#define BD718XX_RDY_TO_SNVS_MASK 0xF > +#define BD718XX_SNVS_TO_RUN_MASK 0xF0 > + > +#define BD718XX_PWR_TRIG_KEY_L 1 > +#define BD718XX_PWR_TRIG_KEY_S 2 > +#define BD718XX_PWR_TRIG_PMIC_ON 4 > +#define BD718XX_PWR_TRIG_VSYS_UVLO 8 > +#define BD718XX_RDY_TO_SNVS_SIFT 0 > +#define BD718XX_SNVS_TO_RUN_SIFT 4 > + > +#define BD718XX_PWRBTN_PRESS_DURATION_MASK 0xF > + > +/* Timeout value for detecting short press */ > +enum { > + BD718XX_PWRBTN_SHORT_PRESS_10MS = 0, > + BD718XX_PWRBTN_SHORT_PRESS_500MS, > + BD718XX_PWRBTN_SHORT_PRESS_1000MS, > + BD718XX_PWRBTN_SHORT_PRESS_1500MS, > + BD718XX_PWRBTN_SHORT_PRESS_2000MS, > + BD718XX_PWRBTN_SHORT_PRESS_2500MS, > + BD718XX_PWRBTN_SHORT_PRESS_3000MS, > + BD718XX_PWRBTN_SHORT_PRESS_3500MS, > + BD718XX_PWRBTN_SHORT_PRESS_4000MS, > + BD718XX_PWRBTN_SHORT_PRESS_4500MS, > + BD718XX_PWRBTN_SHORT_PRESS_5000MS, > + BD718XX_PWRBTN_SHORT_PRESS_5500MS, > + BD718XX_PWRBTN_SHORT_PRESS_6000MS, > + BD718XX_PWRBTN_SHORT_PRESS_6500MS, > + BD718XX_PWRBTN_SHORT_PRESS_7000MS, > + BD718XX_PWRBTN_SHORT_PRESS_7500MS > +}; > + > +/* Timeout value for detecting LONG press */ > +enum { > + BD718XX_PWRBTN_LONG_PRESS_10MS = 0, > + BD718XX_PWRBTN_LONG_PRESS_1S, > + BD718XX_PWRBTN_LONG_PRESS_2S, > + BD718XX_PWRBTN_LONG_PRESS_3S, > + BD718XX_PWRBTN_LONG_PRESS_4S, > + BD718XX_PWRBTN_LONG_PRESS_5S, > + BD718XX_PWRBTN_LONG_PRESS_6S, > + BD718XX_PWRBTN_LONG_PRESS_7S, > + BD718XX_PWRBTN_LONG_PRESS_8S, > + BD718XX_PWRBTN_LONG_PRESS_9S, > + BD718XX_PWRBTN_LONG_PRESS_10S, > + BD718XX_PWRBTN_LONG_PRESS_11S, > + BD718XX_PWRBTN_LONG_PRESS_12S, > + BD718XX_PWRBTN_LONG_PRESS_13S, > + BD718XX_PWRBTN_LONG_PRESS_14S, > + BD718XX_PWRBTN_LONG_PRESS_15S > +}; > + > +struct bd71837_pmic; > +struct bd71837_clk; > + > +struct bd71837 { > + struct device *dev; > + struct i2c_client *i2c_client; Are these both being used? If you save one, you tend not to need the other. > + struct regmap *regmap; > + unsigned long int id; > + > + int chip_irq; > + struct regmap_irq_chip_data *irq_data; > + > + struct bd71837_pmic *pmic; > + struct bd71837_clk *clk; > +}; > + > +#endif /* __LINUX_MFD_BD71837_H__ */ -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog