From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF85BC4708D for ; Wed, 4 Jan 2023 17:06:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239765AbjADRGY (ORCPT ); Wed, 4 Jan 2023 12:06:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235015AbjADRGX (ORCPT ); Wed, 4 Jan 2023 12:06:23 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCCBB17586; Wed, 4 Jan 2023 09:06:18 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B647E617BC; Wed, 4 Jan 2023 17:06:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0442C433EF; Wed, 4 Jan 2023 17:06:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1672851977; bh=fFt9Bo5bwlxUAVeGW6kc+cnqkJyfuEF21ebvngbJHUg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bYyvjXk9Ktjw8FPQ+hLhjlb/MkeKrAQWmK8U2Rk6GJijoenCNILLrsAsQrmG/4oUG /u9BdnQIkbyS6IiwIlCrkj1L0xOr7K2g8GltW7HQ5QJSYCwZPG7KH5TtLT3+MMHuV0 TPmKsxJcN3j7rdV5l/TpqTXPL5sc7M2fba0s/JacWMQjpUNcI3PFTMXfKBR6zq07jh Ectw+tnYYmoXALB1uXFW/Xcm1ZdDnaVGqXNqcEuKNQ73MKoY2UEldYCYEkv+uM81rg OLkrqaY9yYBqYjs3YIX7clclsMjiWRNa607N78tqfDz80Tt+oBx20G20OlZGJ3mIqe FvLF0FKnIdBzA== Date: Wed, 4 Jan 2023 17:06:08 +0000 From: Lee Jones To: Matt Ranostay Cc: michael@walle.cc, vigneshr@ti.com, robh@kernel.org, krzysztof.kozlowski@linaro.org, a.zummo@towertech.it, linus.walleij@linaro.org, brgl@bgdev.pl, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org, Keerthy Subject: Re: [PATCH v5 2/4] mfd: tps6594: Add support for TPS6594 PMIC devices Message-ID: References: <20221123053512.1195309-1-mranostay@ti.com> <20221123053512.1195309-3-mranostay@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20221123053512.1195309-3-mranostay@ti.com> Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Tue, 22 Nov 2022, Matt Ranostay wrote: > From: Keerthy > > The TPS6594 chip is a PMIC, and contains the following components: > > - GPIO controller > - RTC > > Signed-off-by: Keerthy > Signed-off-by: Matt Ranostay > --- > drivers/mfd/Kconfig | 14 +++++ > drivers/mfd/Makefile | 1 + > drivers/mfd/tps6594.c | 113 ++++++++++++++++++++++++++++++++++++ > include/linux/mfd/tps6594.h | 84 +++++++++++++++++++++++++++ > 4 files changed, 212 insertions(+) > create mode 100644 drivers/mfd/tps6594.c > create mode 100644 include/linux/mfd/tps6594.h > > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > index 6653d03e0fe3..c54f2959a200 100644 > --- a/drivers/mfd/Kconfig > +++ b/drivers/mfd/Kconfig > @@ -1596,6 +1596,20 @@ config MFD_TI_LP873X > This driver can also be built as a module. If so, the module > will be called lp873x. > > +config MFD_TPS6594 > + tristate "TI TPS6594 Power Management IC" > + depends on I2C && OF > + select MFD_CORE > + select REGMAP_I2C > + help > + If you say yes here then you get support for the TPS6594 series of > + Power Management Integrated Circuits (PMIC). > + These include voltage regulators, RTS, configurable > + General Purpose Outputs (GPO) that are used in portable devices. > + > + This driver can also be built as a module. If so, the module > + will be called tps6594. > + > config MFD_TI_LP87565 > tristate "TI LP87565 Power Management IC" > depends on I2C && OF > diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile > index 4dd479212b3a..b4fdfcc57831 100644 > --- a/drivers/mfd/Makefile > +++ b/drivers/mfd/Makefile > @@ -101,6 +101,7 @@ obj-$(CONFIG_MFD_TPS65910) += tps65910.o > obj-$(CONFIG_MFD_TPS65912) += tps65912-core.o > obj-$(CONFIG_MFD_TPS65912_I2C) += tps65912-i2c.o > obj-$(CONFIG_MFD_TPS65912_SPI) += tps65912-spi.o > +obj-$(CONFIG_MFD_TPS6594) += tps6594.o > obj-$(CONFIG_MENELAUS) += menelaus.o > > obj-$(CONFIG_TWL4030_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o > diff --git a/drivers/mfd/tps6594.c b/drivers/mfd/tps6594.c > new file mode 100644 > index 000000000000..a7f80833e8fc > --- /dev/null > +++ b/drivers/mfd/tps6594.c > @@ -0,0 +1,113 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * Driver for TPS6594 PMIC chips > + * > + * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ > + * Author: Keerthy > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include Nit: Alphabetical. > +static const struct regmap_config tps6594_regmap_config = { > + .reg_bits = 8, > + .val_bits = 8, > + .max_register = TPS6594_REG_MAX, > +}; > + > +static const struct mfd_cell tps6594_cells[] = { > + { .name = "tps6594-gpio" }, > + { .name = "tps6594-rtc" }, > +}; > + > +static struct tps6594 *tps; > + > +static void tps6594_power_off(void) > +{ > + regmap_write(tps->regmap, TPS6594_FSM_NSLEEP_TRIGGERS, > + TPS6594_FSM_NSLEEP_NSLEEP1B | TPS6594_FSM_NSLEEP_NSLEEP2B); Any chance we can align against the open parentheses? > + regmap_write(tps->regmap, TPS6594_INT_STARTUP, > + TPS6594_INT_STARTUP_NPWRON_START_INT | > + TPS6594_INT_STARTUP_ENABLE_INT | TPS6594_INT_STARTUP_RTC_INT | > + TPS6594_INT_STARTUP_SOFT_REBOOT_INT); > + > + regmap_write(tps->regmap, TPS6594_INT_MISC, > + TPS6594_INT_MISC_BIST_PASS_INT | > + TPS6594_INT_MISC_EXT_CLK_INT | TPS6594_INT_MISC_TWARN_INT); > + > + regmap_write(tps->regmap, TPS6594_CONFIG_1, > + TPS6594_CONFIG_NSLEEP1_MASK | TPS6594_CONFIG_NSLEEP2_MASK); > + > + regmap_write(tps->regmap, TPS6594_FSM_I2C_TRIGGERS, > + TPS6594_FSM_I2C_TRIGGERS_I2C0); > +} > + > +static int tps6594_probe(struct i2c_client *client) > +{ > + struct tps6594 *ddata; > + struct device_node *node = client->dev.of_node; > + unsigned int otpid; > + int ret; > + > + ddata = devm_kzalloc(&client->dev, sizeof(*ddata), GFP_KERNEL); > + if (!ddata) > + return -ENOMEM; > + > + ddata->dev = &client->dev; > + > + ddata->regmap = devm_regmap_init_i2c(client, &tps6594_regmap_config); > + if (IS_ERR(ddata->regmap)) > + return dev_err_probe(ddata->dev, PTR_ERR(ddata->regmap), > + "Failed to initialize register map\n"); > + > + ret = regmap_read(ddata->regmap, TPS6594_REG_DEV_REV, &otpid); > + if (ret) > + return dev_err_probe(ddata->dev, ret, "Failed to read OTP ID\n"); > + > + ddata->rev = otpid; > + i2c_set_clientdata(client, ddata); > + > + ret = mfd_add_devices(ddata->dev, PLATFORM_DEVID_AUTO, tps6594_cells, > + ARRAY_SIZE(tps6594_cells), NULL, 0, NULL); > + if (ret) > + return dev_err_probe(ddata->dev, ret, "Failed to register cells\n"); > + > + tps = ddata; This should be in the if() statement below, no? > + if (of_property_read_bool(node, "ti,system-power-controller")) > + pm_power_off = tps6594_power_off; > + > + return 0; > +} > + > +static const struct of_device_id of_tps6594_match_table[] = { > + { .compatible = "ti,tps6594", }, > + {} > +}; > +MODULE_DEVICE_TABLE(of, of_tps6594_match_table); > + > +static const struct i2c_device_id tps6594_id_table[] = { > + { "tps6594", 0 }, > + {} > +}; > +MODULE_DEVICE_TABLE(i2c, tps6594_id_table); If you're using .probe_new() you can omit this table. > +static struct i2c_driver tps6594_driver = { > + .driver = { > + .name = "tps6594", > + .of_match_table = of_tps6594_match_table, > + }, > + .probe_new = tps6594_probe, > + .id_table = tps6594_id_table, > +}; > +module_i2c_driver(tps6594_driver); > + > +MODULE_AUTHOR("J Keerthy "); > +MODULE_DESCRIPTION("TPS6594 PMIC device driver"); > +MODULE_LICENSE("GPL"); > diff --git a/include/linux/mfd/tps6594.h b/include/linux/mfd/tps6594.h > new file mode 100644 > index 000000000000..f721ec9880dd > --- /dev/null > +++ b/include/linux/mfd/tps6594.h > @@ -0,0 +1,84 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > +/* > + * Core driver interface for TI TPS6594 PMIC family > + * > + * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ > + */ > + > +#ifndef __MFD_TPS6594_H > +#define __MFD_TPS6594_H > + > +#include > + > +/* TPS6594 chip ID list */ > +#define TPS6594 0x00 > + > +/* All register addresses */ > +#define TPS6594_REG_DEV_REV 0x01 > +#define TPS6594_INT_STARTUP 0x65 > +#define TPS6594_INT_MISC 0x66 > +#define TPS6594_CONFIG_1 0x7d > +#define TPS6594_FSM_I2C_TRIGGERS 0x85 > +#define TPS6594_FSM_NSLEEP_TRIGGERS 0x86 > + > +#define TPS6594_RTC_SECONDS 0xb5 > +#define TPS6594_RTC_MINUTES 0xb6 > +#define TPS6594_RTC_HOURS 0xb7 > +#define TPS6594_RTC_DAYS 0xb8 > +#define TPS6594_RTC_MONTHS 0xb9 > +#define TPS6594_RTC_YEARS 0xba > +#define TPS6594_RTC_WEEKS 0xbb > +#define TPS6594_ALARM_SECONDS 0xbc > +#define TPS6594_ALARM_MINUTES 0xbd > +#define TPS6594_ALARM_HOURS 0xbe > +#define TPS6594_ALARM_DAYS 0xbf > +#define TPS6594_ALARM_MONTHS 0xc0 > +#define TPS6594_ALARM_YEARS 0xc1 > +#define TPS6594_RTC_CTRL_1 0xc2 > +#define TPS6594_RTC_CTRL_2 0xc3 > +#define TPS6594_RTC_STATUS 0xc4 > +#define TPS6594_RTC_INTERRUPTS 0xc5 > +#define TPS6594_REG_MAX 0xd0 > + > +/* Register field definitions */ > +#define TPS6594_DEV_REV_DEV_ID 0xff > + > +#define TPS6594_INT_STARTUP_NPWRON_START_INT BIT(0) > +#define TPS6594_INT_STARTUP_ENABLE_INT BIT(1) > +#define TPS6594_INT_STARTUP_RTC_INT BIT(2) > +#define TPS6594_INT_STARTUP_FSD_INT BIT(4) > +#define TPS6594_INT_STARTUP_SOFT_REBOOT_INT BIT(5) > + > +#define TPS6594_INT_MISC_BIST_PASS_INT BIT(0) > +#define TPS6594_INT_MISC_EXT_CLK_INT BIT(1) > +#define TPS6594_INT_MISC_TWARN_INT BIT(3) > + > +#define TPS6594_CONFIG_NSLEEP1_MASK BIT(6) > +#define TPS6594_CONFIG_NSLEEP2_MASK BIT(7) > + > +#define TPS6594_FSM_I2C_TRIGGERS_I2C0 BIT(0) > + > +#define TPS6594_FSM_NSLEEP_NSLEEP1B BIT(0) > +#define TPS6594_FSM_NSLEEP_NSLEEP2B BIT(1) > + > +#define TPS6594_RTC_CTRL_REG_GET_TIME BIT(6) > +#define TPS6594_RTC_CTRL_REG_STOP_RTC BIT(0) > +#define TPS6594_RTC_INTERRUPTS_REG_IT_ALARM BIT(3) > + > +#define TPS6594_RTC_STATUS_RUN BIT(1) > + > +/** > + * struct tps6594 - state holder for the tps6594 driver > + * @dev: struct device pointer for MFD device > + * @rev: revision of the tps6594 > + * @lock: lock guarding the data structure > + * @regmap: register map of the tps6594 PMIC > + * > + * Device data may be used to access the TPS6594 chip > + */ This will not pass a W=1 build - please fix. > +struct tps6594 { > + struct device *dev; > + u8 rev; > + struct regmap *regmap; > +}; > +#endif /* __MFD_TPS6594_H */ > -- > 2.38.GIT > -- Lee Jones [李琼斯] From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C17BBC4332F for ; Wed, 4 Jan 2023 17:07:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org, Keerthy Subject: Re: [PATCH v5 2/4] mfd: tps6594: Add support for TPS6594 PMIC devices Message-ID: References: <20221123053512.1195309-1-mranostay@ti.com> <20221123053512.1195309-3-mranostay@ti.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221123053512.1195309-3-mranostay@ti.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230104_090618_668324_AD1D8CC0 X-CRM114-Status: GOOD ( 35.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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