From patchwork Thu Oct 28 09:18:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1547385 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4Hg0Np11Jfz9sRN for ; Thu, 28 Oct 2021 20:18:50 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230102AbhJ1JVQ (ORCPT ); Thu, 28 Oct 2021 05:21:16 -0400 Received: from mail-lf1-f49.google.com ([209.85.167.49]:34604 "EHLO mail-lf1-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229791AbhJ1JVP (ORCPT ); Thu, 28 Oct 2021 05:21:15 -0400 Received: by mail-lf1-f49.google.com with SMTP id u11so12220738lfs.1; Thu, 28 Oct 2021 02:18:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=6ydrOl3rQ78mwORkXuTpnA/n1UjLXKc/I7o63rT5IqU=; b=qmAjEgiBSsdIe3g33nKGpoCp70QdWCyhDz0W6rs/kSmiUu9NEly8AXxtzO622kGcC0 JBOEGByLgtIm5DSo+CJZaXzSCE3Xx+pghBKW37xZ98wyrjjV+CEgvuVe6bxHvVZYPf2S Jja5aE/kMlB70Mqcb3lHaT+8BYRjULX46hgerExOnQMRvNR34SHYN1ugsvrtH3vcAAe/ JaAi+bArsxh90RVOnoLi+m/D03DE59ekfMR2zTb98Qz4iKy4sn4BgOYmkagPBcjyX4p5 NWH5WXDEsM0Fl2Bkz8co6WKiSF9GF1ZaKZbb9bj6YzMFkElQdg3YcYqSUwi5K2uHnmME hncQ== X-Gm-Message-State: AOAM533VifKeMKlHDib8MMYGPU6d2vAVY5vgnicWsQA8C2yrtTBqZi4g R44X23ihg2dBuOgz5TxxKYM= X-Google-Smtp-Source: ABdhPJy+4UKFLPJQfSGmG44FUwuZ5RobfJNtLVG07TFLjWCkBHuJbkogTStZ/Ab+8+jLY3GU6gyMcg== X-Received: by 2002:a05:6512:3b5:: with SMTP id v21mr3130037lfp.352.1635412727558; Thu, 28 Oct 2021 02:18:47 -0700 (PDT) Received: from fedora (d44bs26yxfwtfmx4yyk-4.rev.dnainternet.fi. [2001:14bb:c6:2fb:6813:24a0:454f:2]) by smtp.gmail.com with ESMTPSA id g18sm252290lfr.286.2021.10.28.02.18.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 02:18:46 -0700 (PDT) Date: Thu, 28 Oct 2021 12:18:40 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: lukas.bulwahn@gmail.com, Lee Jones , Rob Herring , Liam Girdwood , Mark Brown , Linus Walleij , Bartosz Golaszewski , Matti Vaittinen , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-power@fi.rohmeurope.com Subject: [RESEND PATCH 1/4] dt-bindings: mfd: regulator: Drop BD70528 support Message-ID: <637f8aa5f1d65d54c90ed165c2476c32dff53c26.1635412162.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org The only known BD70528 use-cases are such that the PMIC is controlled from separate MCU which is not running Linux. I am not aware of any Linux driver users. Furthermore, it seems there is no demand for this IC. Let's ease the maintenance burden and drop the driver. We can always add it back if there is sudden need for it. Signed-off-by: Matti Vaittinen Acked-by: Rob Herring --- .../bindings/mfd/rohm,bd70528-pmic.txt | 102 ------------------ .../regulator/rohm,bd70528-regulator.txt | 68 ------------ 2 files changed, 170 deletions(-) delete mode 100644 Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt delete mode 100644 Documentation/devicetree/bindings/regulator/rohm,bd70528-regulator.txt diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt b/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt deleted file mode 100644 index 386eec06cf08..000000000000 --- a/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt +++ /dev/null @@ -1,102 +0,0 @@ -* ROHM BD70528 Power Management Integrated Circuit bindings - -BD70528MWV is an ultra-low quiescent current general purpose, single-chip, -power management IC for battery-powered portable devices. The IC -integrates 3 ultra-low current consumption buck converters, 3 LDOs and 2 -LED Drivers. Also included are 4 GPIOs, a real-time clock (RTC), a 32kHz -clock gate, high-accuracy VREF for use with an external ADC, flexible -dual-input power path, 10 bit SAR ADC for battery temperature monitor and -1S battery charger with scalable charge currents. - -Required properties: - - compatible : Should be "rohm,bd70528" - - reg : I2C slave address. - - interrupts : The interrupt line the device is connected to. - - interrupt-controller : To indicate BD70528 acts as an interrupt controller. - - #interrupt-cells : Should be 2. Usage is compliant to the 2 cells - variant of ../interrupt-controller/interrupts.txt - - gpio-controller : To indicate BD70528 acts as a GPIO controller. - - #gpio-cells : Should be 2. The first cell is the pin number and - the second cell is used to specify flags. See - ../gpio/gpio.txt for more information. - - #clock-cells : Should be 0. - - regulators: : List of child nodes that specify the regulators. - Please see ../regulator/rohm,bd70528-regulator.txt - -Optional properties: - - clock-output-names : Should contain name for output clock. - -Example: -/* External oscillator */ -osc: oscillator { - compatible = "fixed-clock"; - #clock-cells = <1>; - clock-frequency = <32768>; - clock-output-names = "osc"; -}; - -pmic: pmic@4b { - compatible = "rohm,bd70528"; - reg = <0x4b>; - interrupt-parent = <&gpio1>; - interrupts = <29 IRQ_TYPE_LEVEL_LOW>; - clocks = <&osc 0>; - #clock-cells = <0>; - clock-output-names = "bd70528-32k-out"; - #gpio-cells = <2>; - gpio-controller; - interrupt-controller; - #interrupt-cells = <2>; - - regulators { - buck1: BUCK1 { - regulator-name = "buck1"; - regulator-min-microvolt = <1200000>; - regulator-max-microvolt = <3400000>; - regulator-boot-on; - regulator-ramp-delay = <125>; - }; - buck2: BUCK2 { - regulator-name = "buck2"; - regulator-min-microvolt = <1200000>; - regulator-max-microvolt = <3300000>; - regulator-boot-on; - regulator-ramp-delay = <125>; - }; - buck3: BUCK3 { - regulator-name = "buck3"; - regulator-min-microvolt = <800000>; - regulator-max-microvolt = <1800000>; - regulator-boot-on; - regulator-ramp-delay = <250>; - }; - ldo1: LDO1 { - regulator-name = "ldo1"; - regulator-min-microvolt = <1650000>; - regulator-max-microvolt = <3300000>; - regulator-boot-on; - }; - ldo2: LDO2 { - regulator-name = "ldo2"; - regulator-min-microvolt = <1650000>; - regulator-max-microvolt = <3300000>; - regulator-boot-on; - }; - - ldo3: LDO3 { - regulator-name = "ldo3"; - regulator-min-microvolt = <1650000>; - regulator-max-microvolt = <3300000>; - }; - led_ldo1: LED_LDO1 { - regulator-name = "led_ldo1"; - regulator-min-microvolt = <200000>; - regulator-max-microvolt = <300000>; - }; - led_ldo2: LED_LDO2 { - regulator-name = "led_ldo2"; - regulator-min-microvolt = <200000>; - regulator-max-microvolt = <300000>; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd70528-regulator.txt b/Documentation/devicetree/bindings/regulator/rohm,bd70528-regulator.txt deleted file mode 100644 index 698cfc3bc3dd..000000000000 --- a/Documentation/devicetree/bindings/regulator/rohm,bd70528-regulator.txt +++ /dev/null @@ -1,68 +0,0 @@ -ROHM BD70528 Power Management Integrated Circuit regulator bindings - -Required properties: - - regulator-name: should be "buck1", "buck2", "buck3", "ldo1", "ldo2", "ldo3", - "led_ldo1", "led_ldo2" - -List of regulators provided by this controller. BD70528 regulators node -should be sub node of the BD70528 MFD node. See BD70528 MFD bindings at -Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt - -The valid names for BD70528 regulator nodes are: -BUCK1, BUCK2, BUCK3, LDO1, LDO2, LDO3, LED_LDO1, LED_LDO2 - -Optional properties: -- Any optional property defined in bindings/regulator/regulator.txt - -Example: -regulators { - buck1: BUCK1 { - regulator-name = "buck1"; - regulator-min-microvolt = <1200000>; - regulator-max-microvolt = <3400000>; - regulator-boot-on; - regulator-ramp-delay = <125>; - }; - buck2: BUCK2 { - regulator-name = "buck2"; - regulator-min-microvolt = <1200000>; - regulator-max-microvolt = <3300000>; - regulator-boot-on; - regulator-ramp-delay = <125>; - }; - buck3: BUCK3 { - regulator-name = "buck3"; - regulator-min-microvolt = <800000>; - regulator-max-microvolt = <1800000>; - regulator-boot-on; - regulator-ramp-delay = <250>; - }; - ldo1: LDO1 { - regulator-name = "ldo1"; - regulator-min-microvolt = <1650000>; - regulator-max-microvolt = <3300000>; - regulator-boot-on; - }; - ldo2: LDO2 { - regulator-name = "ldo2"; - regulator-min-microvolt = <1650000>; - regulator-max-microvolt = <3300000>; - regulator-boot-on; - }; - - ldo3: LDO3 { - regulator-name = "ldo3"; - regulator-min-microvolt = <1650000>; - regulator-max-microvolt = <3300000>; - }; - led_ldo1: LED_LDO1 { - regulator-name = "led_ldo1"; - regulator-min-microvolt = <200000>; - regulator-max-microvolt = <300000>; - }; - led_ldo2: LED_LDO2 { - regulator-name = "led_ldo2"; - regulator-min-microvolt = <200000>; - regulator-max-microvolt = <300000>; - }; -}; From patchwork Thu Oct 28 09:18:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1547387 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4Hg0P908xKz9sRN for ; Thu, 28 Oct 2021 20:19:09 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230131AbhJ1JVd (ORCPT ); Thu, 28 Oct 2021 05:21:33 -0400 Received: from mail-lj1-f180.google.com ([209.85.208.180]:37663 "EHLO mail-lj1-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230124AbhJ1JVd (ORCPT ); Thu, 28 Oct 2021 05:21:33 -0400 Received: by mail-lj1-f180.google.com with SMTP id 188so9563077ljj.4; Thu, 28 Oct 2021 02:19:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Yq6BwnSmNf80lpDeEcazJdzs3D3BE8lrJc9IhNqrmmQ=; b=Az45LzkG8dHiOo9DcdrjEt6Hc8XXCPnGjEFUULbz+YplIQ9hU1yQvSFIjRBgzvJWsA rtoqmFchgtM5i7qBNOKEN6jDGjMA9mxhsTbtBCfIIJG0mRJM+ryKOw6yp9ebzkcP7xJF uIzJ5Grby9YWoaf3j5FUhHkoc22TA0yV4IzjHoFtrgKVw4rC1z/Lr87vJXARphaM5Ukk Wg/Q5AiCGvf4m4v2n0Bg6eyvi+5igVJMMVFg1J2hPo8W9r+U78gjBE6U18FRcALKZFO0 +8KpZA1AXwwstC3qOhewDLUGj55m70kuPkuByYDgtCCMwOo/xenYzyOBsToMe4KPXo8M KQfg== X-Gm-Message-State: AOAM533X5ySRn1c9p3otyNUuCU4aeLSv1Pe18oD4qBqQwPKNCOq2Loeh o3qAu2O1fIGNTgDRTFDQNZA= X-Google-Smtp-Source: ABdhPJybVm/EhdfVqe99WdxGaaH9eltbA9mC1GxPtys1jJuLExq1MdtM8alCepgoeCxcO+7fY/n3Zw== X-Received: by 2002:a2e:2a83:: with SMTP id q125mr3404356ljq.313.1635412744802; Thu, 28 Oct 2021 02:19:04 -0700 (PDT) Received: from fedora (d44bs26yxfwtfmx4yyk-4.rev.dnainternet.fi. [2001:14bb:c6:2fb:6813:24a0:454f:2]) by smtp.gmail.com with ESMTPSA id e29sm254284lfc.141.2021.10.28.02.19.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 02:19:04 -0700 (PDT) Date: Thu, 28 Oct 2021 12:18:57 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: lukas.bulwahn@gmail.com, Lee Jones , Rob Herring , Liam Girdwood , Mark Brown , Linus Walleij , Bartosz Golaszewski , Matti Vaittinen , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-power@fi.rohmeurope.com Subject: [RESEND PATCH 2/4] gpio: bd70528 Drop BD70528 support Message-ID: <5da2237a0446e960a7726c23eb34cb1eaf6f4b54.1635412162.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org The only known BD70528 use-cases are such that the PMIC is controlled from separate MCU which is not running Linux. I am not aware of any Linux driver users. Furthermore, it seems there is no demand for this IC. Let's ease the maintenance burden and drop the driver. We can always add it back if there is sudden need for it. Signed-off-by: Matti Vaittinen Acked-by: Bartosz Golaszewski --- drivers/gpio/Kconfig | 11 -- drivers/gpio/Makefile | 1 - drivers/gpio/gpio-bd70528.c | 230 ------------------------------------ 3 files changed, 242 deletions(-) delete mode 100644 drivers/gpio/gpio-bd70528.c diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index fae5141251e5..ca6d71fe7185 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -1120,17 +1120,6 @@ config GPIO_ARIZONA help Support for GPIOs on Wolfson Arizona class devices. -config GPIO_BD70528 - tristate "ROHM BD70528 GPIO support" - depends on MFD_ROHM_BD70528 - help - Support for GPIOs on ROHM BD70528 PMIC. There are four GPIOs - available on the ROHM PMIC in total. The GPIOs can also - generate interrupts. - - This driver can also be built as a module. If so, the module - will be called gpio-bd70528. - config GPIO_BD71815 tristate "ROHM BD71815 PMIC GPIO support" depends on MFD_ROHM_BD71828 diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index fbcda637d5e1..dd62fd6e60d2 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -38,7 +38,6 @@ obj-$(CONFIG_GPIO_ASPEED_SGPIO) += gpio-aspeed-sgpio.o obj-$(CONFIG_GPIO_ATH79) += gpio-ath79.o obj-$(CONFIG_GPIO_BCM_KONA) += gpio-bcm-kona.o obj-$(CONFIG_GPIO_BCM_XGS_IPROC) += gpio-xgs-iproc.o -obj-$(CONFIG_GPIO_BD70528) += gpio-bd70528.o obj-$(CONFIG_GPIO_BD71815) += gpio-bd71815.o obj-$(CONFIG_GPIO_BD71828) += gpio-bd71828.o obj-$(CONFIG_GPIO_BD9571MWV) += gpio-bd9571mwv.o diff --git a/drivers/gpio/gpio-bd70528.c b/drivers/gpio/gpio-bd70528.c deleted file mode 100644 index 397a50d6bc65..000000000000 --- a/drivers/gpio/gpio-bd70528.c +++ /dev/null @@ -1,230 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// Copyright (C) 2018 ROHM Semiconductors -// gpio-bd70528.c ROHM BD70528MWV gpio driver - -#include -#include -#include -#include -#include - -#define GPIO_IN_REG(offset) (BD70528_REG_GPIO1_IN + (offset) * 2) -#define GPIO_OUT_REG(offset) (BD70528_REG_GPIO1_OUT + (offset) * 2) - -struct bd70528_gpio { - struct regmap *regmap; - struct device *dev; - struct gpio_chip gpio; -}; - -static int bd70528_set_debounce(struct bd70528_gpio *bdgpio, - unsigned int offset, unsigned int debounce) -{ - u8 val; - - switch (debounce) { - case 0: - val = BD70528_DEBOUNCE_DISABLE; - break; - case 1 ... 15000: - val = BD70528_DEBOUNCE_15MS; - break; - case 15001 ... 30000: - val = BD70528_DEBOUNCE_30MS; - break; - case 30001 ... 50000: - val = BD70528_DEBOUNCE_50MS; - break; - default: - dev_err(bdgpio->dev, - "Invalid debounce value %u\n", debounce); - return -EINVAL; - } - return regmap_update_bits(bdgpio->regmap, GPIO_IN_REG(offset), - BD70528_DEBOUNCE_MASK, val); -} - -static int bd70528_get_direction(struct gpio_chip *chip, unsigned int offset) -{ - struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); - int val, ret; - - /* Do we need to do something to IRQs here? */ - ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset), &val); - if (ret) { - dev_err(bdgpio->dev, "Could not read gpio direction\n"); - return ret; - } - if (val & BD70528_GPIO_OUT_EN_MASK) - return GPIO_LINE_DIRECTION_OUT; - - return GPIO_LINE_DIRECTION_IN; -} - -static int bd70528_gpio_set_config(struct gpio_chip *chip, unsigned int offset, - unsigned long config) -{ - struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); - - switch (pinconf_to_config_param(config)) { - case PIN_CONFIG_DRIVE_OPEN_DRAIN: - return regmap_update_bits(bdgpio->regmap, - GPIO_OUT_REG(offset), - BD70528_GPIO_DRIVE_MASK, - BD70528_GPIO_OPEN_DRAIN); - break; - case PIN_CONFIG_DRIVE_PUSH_PULL: - return regmap_update_bits(bdgpio->regmap, - GPIO_OUT_REG(offset), - BD70528_GPIO_DRIVE_MASK, - BD70528_GPIO_PUSH_PULL); - break; - case PIN_CONFIG_INPUT_DEBOUNCE: - return bd70528_set_debounce(bdgpio, offset, - pinconf_to_config_argument(config)); - break; - default: - break; - } - return -ENOTSUPP; -} - -static int bd70528_direction_input(struct gpio_chip *chip, unsigned int offset) -{ - struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); - - /* Do we need to do something to IRQs here? */ - return regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset), - BD70528_GPIO_OUT_EN_MASK, - BD70528_GPIO_OUT_DISABLE); -} - -static void bd70528_gpio_set(struct gpio_chip *chip, unsigned int offset, - int value) -{ - int ret; - struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); - u8 val = (value) ? BD70528_GPIO_OUT_HI : BD70528_GPIO_OUT_LO; - - ret = regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset), - BD70528_GPIO_OUT_MASK, val); - if (ret) - dev_err(bdgpio->dev, "Could not set gpio to %d\n", value); -} - -static int bd70528_direction_output(struct gpio_chip *chip, unsigned int offset, - int value) -{ - struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); - - bd70528_gpio_set(chip, offset, value); - return regmap_update_bits(bdgpio->regmap, GPIO_OUT_REG(offset), - BD70528_GPIO_OUT_EN_MASK, - BD70528_GPIO_OUT_ENABLE); -} - -#define GPIO_IN_STATE_MASK(offset) (BD70528_GPIO_IN_STATE_BASE << (offset)) - -static int bd70528_gpio_get_o(struct bd70528_gpio *bdgpio, unsigned int offset) -{ - int ret; - unsigned int val; - - ret = regmap_read(bdgpio->regmap, GPIO_OUT_REG(offset), &val); - if (!ret) - ret = !!(val & BD70528_GPIO_OUT_MASK); - else - dev_err(bdgpio->dev, "GPIO (out) state read failed\n"); - - return ret; -} - -static int bd70528_gpio_get_i(struct bd70528_gpio *bdgpio, unsigned int offset) -{ - unsigned int val; - int ret; - - ret = regmap_read(bdgpio->regmap, BD70528_REG_GPIO_STATE, &val); - - if (!ret) - ret = !(val & GPIO_IN_STATE_MASK(offset)); - else - dev_err(bdgpio->dev, "GPIO (in) state read failed\n"); - - return ret; -} - -static int bd70528_gpio_get(struct gpio_chip *chip, unsigned int offset) -{ - int ret; - struct bd70528_gpio *bdgpio = gpiochip_get_data(chip); - - /* - * There is a race condition where someone might be changing the - * GPIO direction after we get it but before we read the value. But - * application design where GPIO direction may be changed just when - * we read GPIO value would be pointless as reader could not know - * whether the returned high/low state is caused by input or output. - * Or then there must be other ways to mitigate the issue. Thus - * locking would make no sense. - */ - ret = bd70528_get_direction(chip, offset); - if (ret == GPIO_LINE_DIRECTION_OUT) - ret = bd70528_gpio_get_o(bdgpio, offset); - else if (ret == GPIO_LINE_DIRECTION_IN) - ret = bd70528_gpio_get_i(bdgpio, offset); - else - dev_err(bdgpio->dev, "failed to read GPIO direction\n"); - - return ret; -} - -static int bd70528_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct bd70528_gpio *bdgpio; - int ret; - - bdgpio = devm_kzalloc(dev, sizeof(*bdgpio), GFP_KERNEL); - if (!bdgpio) - return -ENOMEM; - bdgpio->dev = dev; - bdgpio->gpio.parent = dev->parent; - bdgpio->gpio.label = "bd70528-gpio"; - bdgpio->gpio.owner = THIS_MODULE; - bdgpio->gpio.get_direction = bd70528_get_direction; - bdgpio->gpio.direction_input = bd70528_direction_input; - bdgpio->gpio.direction_output = bd70528_direction_output; - bdgpio->gpio.set_config = bd70528_gpio_set_config; - bdgpio->gpio.can_sleep = true; - bdgpio->gpio.get = bd70528_gpio_get; - bdgpio->gpio.set = bd70528_gpio_set; - bdgpio->gpio.ngpio = 4; - bdgpio->gpio.base = -1; -#ifdef CONFIG_OF_GPIO - bdgpio->gpio.of_node = dev->parent->of_node; -#endif - bdgpio->regmap = dev_get_regmap(dev->parent, NULL); - if (!bdgpio->regmap) - return -ENODEV; - - ret = devm_gpiochip_add_data(dev, &bdgpio->gpio, bdgpio); - if (ret) - dev_err(dev, "gpio_init: Failed to add bd70528-gpio\n"); - - return ret; -} - -static struct platform_driver bd70528_gpio = { - .driver = { - .name = "bd70528-gpio" - }, - .probe = bd70528_probe, -}; - -module_platform_driver(bd70528_gpio); - -MODULE_AUTHOR("Matti Vaittinen "); -MODULE_DESCRIPTION("BD70528 voltage regulator driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:bd70528-gpio"); From patchwork Thu Oct 28 09:19:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1547388 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4Hg0PT2l4Dz9sRN for ; Thu, 28 Oct 2021 20:19:25 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230153AbhJ1JVv (ORCPT ); Thu, 28 Oct 2021 05:21:51 -0400 Received: from mail-lf1-f51.google.com ([209.85.167.51]:42724 "EHLO mail-lf1-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230124AbhJ1JVu (ORCPT ); Thu, 28 Oct 2021 05:21:50 -0400 Received: by mail-lf1-f51.google.com with SMTP id bi35so12141907lfb.9; Thu, 28 Oct 2021 02:19:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=P9xPxxBN9uT1X5U8HA5qT9pghXKXU9auK+3kZVBOk+4=; b=7lEz4R7sIIr0Lh5ImlbA5wR03T7c9DS3Rt1z0R/5umiqhdkKCYTDcB0X+KB/6Jkn/l il16oOgsEdbs3b6sWOqO5bLBvBydmtxH2Hn16BadUKhG7WqepUUKHIZuqIhj3nwSHClC Dq91/HoseuzB144PksqMDLoBh43C8cWTsXf22vLoVvoEEXNovl492ujacjykuM9Q+poY S7PWL0+WvuefNFXUP/ZMhiTnMnyeg+bClNfFy15lMjmO6EX60XIosZzhHf4XSASbHAFd NtCzuwNGIzfx/Igo8KcfU8CRn5423M+sKCovjtTAyLzXX4zxMz9UagTz2lDfCEjTJaIE U2wg== X-Gm-Message-State: AOAM530VWiqIz7C22MiLkXDT15vmeDZaCxxmwZqexGteQUrN5z65OAWn Cfv2ByHpZUsqhjsVXORrQ8Q= X-Google-Smtp-Source: ABdhPJxa5Xp4R2HTGDQ7qdaGkRzr+gBUjd0zAg9h8DE/MduCP0/G5pxSkHMK+sDmEoGx84VLXNGaiQ== X-Received: by 2002:a05:6512:3b9c:: with SMTP id g28mr2976201lfv.583.1635412762402; Thu, 28 Oct 2021 02:19:22 -0700 (PDT) Received: from fedora (d44bs26yxfwtfmx4yyk-4.rev.dnainternet.fi. [2001:14bb:c6:2fb:6813:24a0:454f:2]) by smtp.gmail.com with ESMTPSA id d10sm252871lfg.245.2021.10.28.02.19.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 02:19:21 -0700 (PDT) Date: Thu, 28 Oct 2021 12:19:14 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: lukas.bulwahn@gmail.com, Lee Jones , Rob Herring , Liam Girdwood , Mark Brown , Linus Walleij , Bartosz Golaszewski , Matti Vaittinen , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-power@fi.rohmeurope.com Subject: [RESEND PATCH 3/4] mfd: bd70528: Drop BD70528 support Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org The only known BD70528 use-cases are such that the PMIC is controlled from separate MCU which is not running Linux. I am not aware of any Linux driver users. Furthermore, it seems there is no demand for this IC. Let's ease the maintenance burden and drop the driver. We can always add it back if there is sudden need for it. Signed-off-by: Matti Vaittinen Acked-by: Lee Jones --- drivers/mfd/Kconfig | 17 -- drivers/mfd/Makefile | 1 - drivers/mfd/rohm-bd70528.c | 314 ------------------------- include/linux/mfd/rohm-bd70528.h | 389 ------------------------------- include/linux/mfd/rohm-generic.h | 1 - 5 files changed, 722 deletions(-) delete mode 100644 drivers/mfd/rohm-bd70528.c delete mode 100644 include/linux/mfd/rohm-bd70528.h diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index ca0edab91aeb..7ecbb2af95f3 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1956,23 +1956,6 @@ config MFD_ROHM_BD718XX 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_ROHM_BD70528 - tristate "ROHM BD70528 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 BD70528 Power - Management IC. BD71837 is general purpose single-chip power - management IC for battery-powered portable devices. It contains - 3 ultra-low current consumption buck converters, 3 LDOs and 2 LED - drivers. Also included are 4 GPIOs, a real-time clock (RTC), a 32kHz - crystal oscillator, high-accuracy VREF for use with an external ADC, - 10 bits SAR ADC for battery temperature monitor and 1S battery - charger. - config MFD_ROHM_BD71828 tristate "ROHM BD71828 and BD71815 Power Management IC" depends on I2C=y diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 2ba6646e874c..0a21b60a55a7 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -258,7 +258,6 @@ 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-$(CONFIG_MFD_ROHM_BD70528) += rohm-bd70528.o obj-$(CONFIG_MFD_ROHM_BD71828) += rohm-bd71828.o obj-$(CONFIG_MFD_ROHM_BD718XX) += rohm-bd718x7.o obj-$(CONFIG_MFD_ROHM_BD957XMUF) += rohm-bd9576.o diff --git a/drivers/mfd/rohm-bd70528.c b/drivers/mfd/rohm-bd70528.c deleted file mode 100644 index 5c44d3b77b3e..000000000000 --- a/drivers/mfd/rohm-bd70528.c +++ /dev/null @@ -1,314 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -// -// Copyright (C) 2019 ROHM Semiconductors -// -// ROHM BD70528 PMIC driver - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define BD70528_NUM_OF_GPIOS 4 - -static const struct resource rtc_irqs[] = { - DEFINE_RES_IRQ_NAMED(BD70528_INT_RTC_ALARM, "bd70528-rtc-alm"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_ELPS_TIM, "bd70528-elapsed-timer"), -}; - -static const struct resource charger_irqs[] = { - DEFINE_RES_IRQ_NAMED(BD70528_INT_BAT_OV_RES, "bd70528-bat-ov-res"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_BAT_OV_DET, "bd70528-bat-ov-det"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_DBAT_DET, "bd70528-bat-dead"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_BATTSD_COLD_RES, "bd70528-bat-warmed"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_BATTSD_COLD_DET, "bd70528-bat-cold"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_BATTSD_HOT_RES, "bd70528-bat-cooled"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_BATTSD_HOT_DET, "bd70528-bat-hot"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_CHG_TSD, "bd70528-chg-tshd"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_BAT_RMV, "bd70528-bat-removed"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_BAT_DET, "bd70528-bat-detected"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_DCIN2_OV_RES, "bd70528-dcin2-ov-res"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_DCIN2_OV_DET, "bd70528-dcin2-ov-det"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_DCIN2_RMV, "bd70528-dcin2-removed"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_DCIN2_DET, "bd70528-dcin2-detected"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_DCIN1_RMV, "bd70528-dcin1-removed"), - DEFINE_RES_IRQ_NAMED(BD70528_INT_DCIN1_DET, "bd70528-dcin1-detected"), -}; - -static struct mfd_cell bd70528_mfd_cells[] = { - { .name = "bd70528-pmic", }, - { .name = "bd70528-gpio", }, - /* - * We use BD71837 driver to drive the clock block. Only differences to - * BD70528 clock gate are the register address and mask. - */ - { .name = "bd70528-clk", }, - { .name = "bd70528-wdt", }, - { - .name = "bd70528-power", - .resources = charger_irqs, - .num_resources = ARRAY_SIZE(charger_irqs), - }, { - .name = "bd70528-rtc", - .resources = rtc_irqs, - .num_resources = ARRAY_SIZE(rtc_irqs), - }, -}; - -static const struct regmap_range volatile_ranges[] = { - { - .range_min = BD70528_REG_INT_MAIN, - .range_max = BD70528_REG_INT_OP_FAIL, - }, { - .range_min = BD70528_REG_RTC_COUNT_H, - .range_max = BD70528_REG_RTC_ALM_REPEAT, - }, { - /* - * WDT control reg is special. Magic values must be written to - * it in order to change the control. Should not be cached. - */ - .range_min = BD70528_REG_WDT_CTRL, - .range_max = BD70528_REG_WDT_CTRL, - }, { - /* - * BD70528 also contains a few other registers which require - * magic sequences to be written in order to update the value. - * At least SHIPMODE, HWRESET, WARMRESET,and STANDBY - */ - .range_min = BD70528_REG_SHIPMODE, - .range_max = BD70528_REG_STANDBY, - }, -}; - -static const struct regmap_access_table volatile_regs = { - .yes_ranges = &volatile_ranges[0], - .n_yes_ranges = ARRAY_SIZE(volatile_ranges), -}; - -static struct regmap_config bd70528_regmap = { - .reg_bits = 8, - .val_bits = 8, - .volatile_table = &volatile_regs, - .max_register = BD70528_MAX_REGISTER, - .cache_type = REGCACHE_RBTREE, -}; - -/* - * Mapping of main IRQ register bits to sub-IRQ register offsets so that we can - * access corect sub-IRQ registers based on bits that are set in main IRQ - * register. - */ - -static unsigned int bit0_offsets[] = {0}; /* Shutdown */ -static unsigned int bit1_offsets[] = {1}; /* Power failure */ -static unsigned int bit2_offsets[] = {2}; /* VR FAULT */ -static unsigned int bit3_offsets[] = {3}; /* PMU interrupts */ -static unsigned int bit4_offsets[] = {4, 5}; /* Charger 1 and Charger 2 */ -static unsigned int bit5_offsets[] = {6}; /* RTC */ -static unsigned int bit6_offsets[] = {7}; /* GPIO */ -static unsigned int bit7_offsets[] = {8}; /* Invalid operation */ - -static struct regmap_irq_sub_irq_map bd70528_sub_irq_offsets[] = { - REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets), - REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets), - REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets), - REGMAP_IRQ_MAIN_REG_OFFSET(bit3_offsets), - REGMAP_IRQ_MAIN_REG_OFFSET(bit4_offsets), - REGMAP_IRQ_MAIN_REG_OFFSET(bit5_offsets), - REGMAP_IRQ_MAIN_REG_OFFSET(bit6_offsets), - REGMAP_IRQ_MAIN_REG_OFFSET(bit7_offsets), -}; - -static struct regmap_irq bd70528_irqs[] = { - REGMAP_IRQ_REG(BD70528_INT_LONGPUSH, 0, BD70528_INT_LONGPUSH_MASK), - REGMAP_IRQ_REG(BD70528_INT_WDT, 0, BD70528_INT_WDT_MASK), - REGMAP_IRQ_REG(BD70528_INT_HWRESET, 0, BD70528_INT_HWRESET_MASK), - REGMAP_IRQ_REG(BD70528_INT_RSTB_FAULT, 0, BD70528_INT_RSTB_FAULT_MASK), - REGMAP_IRQ_REG(BD70528_INT_VBAT_UVLO, 0, BD70528_INT_VBAT_UVLO_MASK), - REGMAP_IRQ_REG(BD70528_INT_TSD, 0, BD70528_INT_TSD_MASK), - REGMAP_IRQ_REG(BD70528_INT_RSTIN, 0, BD70528_INT_RSTIN_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK1_FAULT, 1, - BD70528_INT_BUCK1_FAULT_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK2_FAULT, 1, - BD70528_INT_BUCK2_FAULT_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK3_FAULT, 1, - BD70528_INT_BUCK3_FAULT_MASK), - REGMAP_IRQ_REG(BD70528_INT_LDO1_FAULT, 1, BD70528_INT_LDO1_FAULT_MASK), - REGMAP_IRQ_REG(BD70528_INT_LDO2_FAULT, 1, BD70528_INT_LDO2_FAULT_MASK), - REGMAP_IRQ_REG(BD70528_INT_LDO3_FAULT, 1, BD70528_INT_LDO3_FAULT_MASK), - REGMAP_IRQ_REG(BD70528_INT_LED1_FAULT, 1, BD70528_INT_LED1_FAULT_MASK), - REGMAP_IRQ_REG(BD70528_INT_LED2_FAULT, 1, BD70528_INT_LED2_FAULT_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK1_OCP, 2, BD70528_INT_BUCK1_OCP_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK2_OCP, 2, BD70528_INT_BUCK2_OCP_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK3_OCP, 2, BD70528_INT_BUCK3_OCP_MASK), - REGMAP_IRQ_REG(BD70528_INT_LED1_OCP, 2, BD70528_INT_LED1_OCP_MASK), - REGMAP_IRQ_REG(BD70528_INT_LED2_OCP, 2, BD70528_INT_LED2_OCP_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK1_FULLON, 2, - BD70528_INT_BUCK1_FULLON_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK2_FULLON, 2, - BD70528_INT_BUCK2_FULLON_MASK), - REGMAP_IRQ_REG(BD70528_INT_SHORTPUSH, 3, BD70528_INT_SHORTPUSH_MASK), - REGMAP_IRQ_REG(BD70528_INT_AUTO_WAKEUP, 3, - BD70528_INT_AUTO_WAKEUP_MASK), - REGMAP_IRQ_REG(BD70528_INT_STATE_CHANGE, 3, - BD70528_INT_STATE_CHANGE_MASK), - REGMAP_IRQ_REG(BD70528_INT_BAT_OV_RES, 4, BD70528_INT_BAT_OV_RES_MASK), - REGMAP_IRQ_REG(BD70528_INT_BAT_OV_DET, 4, BD70528_INT_BAT_OV_DET_MASK), - REGMAP_IRQ_REG(BD70528_INT_DBAT_DET, 4, BD70528_INT_DBAT_DET_MASK), - REGMAP_IRQ_REG(BD70528_INT_BATTSD_COLD_RES, 4, - BD70528_INT_BATTSD_COLD_RES_MASK), - REGMAP_IRQ_REG(BD70528_INT_BATTSD_COLD_DET, 4, - BD70528_INT_BATTSD_COLD_DET_MASK), - REGMAP_IRQ_REG(BD70528_INT_BATTSD_HOT_RES, 4, - BD70528_INT_BATTSD_HOT_RES_MASK), - REGMAP_IRQ_REG(BD70528_INT_BATTSD_HOT_DET, 4, - BD70528_INT_BATTSD_HOT_DET_MASK), - REGMAP_IRQ_REG(BD70528_INT_CHG_TSD, 4, BD70528_INT_CHG_TSD_MASK), - REGMAP_IRQ_REG(BD70528_INT_BAT_RMV, 5, BD70528_INT_BAT_RMV_MASK), - REGMAP_IRQ_REG(BD70528_INT_BAT_DET, 5, BD70528_INT_BAT_DET_MASK), - REGMAP_IRQ_REG(BD70528_INT_DCIN2_OV_RES, 5, - BD70528_INT_DCIN2_OV_RES_MASK), - REGMAP_IRQ_REG(BD70528_INT_DCIN2_OV_DET, 5, - BD70528_INT_DCIN2_OV_DET_MASK), - REGMAP_IRQ_REG(BD70528_INT_DCIN2_RMV, 5, BD70528_INT_DCIN2_RMV_MASK), - REGMAP_IRQ_REG(BD70528_INT_DCIN2_DET, 5, BD70528_INT_DCIN2_DET_MASK), - REGMAP_IRQ_REG(BD70528_INT_DCIN1_RMV, 5, BD70528_INT_DCIN1_RMV_MASK), - REGMAP_IRQ_REG(BD70528_INT_DCIN1_DET, 5, BD70528_INT_DCIN1_DET_MASK), - REGMAP_IRQ_REG(BD70528_INT_RTC_ALARM, 6, BD70528_INT_RTC_ALARM_MASK), - REGMAP_IRQ_REG(BD70528_INT_ELPS_TIM, 6, BD70528_INT_ELPS_TIM_MASK), - REGMAP_IRQ_REG(BD70528_INT_GPIO0, 7, BD70528_INT_GPIO0_MASK), - REGMAP_IRQ_REG(BD70528_INT_GPIO1, 7, BD70528_INT_GPIO1_MASK), - REGMAP_IRQ_REG(BD70528_INT_GPIO2, 7, BD70528_INT_GPIO2_MASK), - REGMAP_IRQ_REG(BD70528_INT_GPIO3, 7, BD70528_INT_GPIO3_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK1_DVS_OPFAIL, 8, - BD70528_INT_BUCK1_DVS_OPFAIL_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK2_DVS_OPFAIL, 8, - BD70528_INT_BUCK2_DVS_OPFAIL_MASK), - REGMAP_IRQ_REG(BD70528_INT_BUCK3_DVS_OPFAIL, 8, - BD70528_INT_BUCK3_DVS_OPFAIL_MASK), - REGMAP_IRQ_REG(BD70528_INT_LED1_VOLT_OPFAIL, 8, - BD70528_INT_LED1_VOLT_OPFAIL_MASK), - REGMAP_IRQ_REG(BD70528_INT_LED2_VOLT_OPFAIL, 8, - BD70528_INT_LED2_VOLT_OPFAIL_MASK), -}; - -static struct regmap_irq_chip bd70528_irq_chip = { - .name = "bd70528_irq", - .main_status = BD70528_REG_INT_MAIN, - .irqs = &bd70528_irqs[0], - .num_irqs = ARRAY_SIZE(bd70528_irqs), - .status_base = BD70528_REG_INT_SHDN, - .mask_base = BD70528_REG_INT_SHDN_MASK, - .ack_base = BD70528_REG_INT_SHDN, - .type_base = BD70528_REG_GPIO1_IN, - .init_ack_masked = true, - .num_regs = 9, - .num_main_regs = 1, - .num_type_reg = 4, - .sub_reg_offsets = &bd70528_sub_irq_offsets[0], - .num_main_status_bits = 8, - .irq_reg_stride = 1, -}; - -static int bd70528_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) -{ - struct bd70528_data *bd70528; - struct regmap_irq_chip_data *irq_data; - int ret, i; - - if (!i2c->irq) { - dev_err(&i2c->dev, "No IRQ configured\n"); - return -EINVAL; - } - - bd70528 = devm_kzalloc(&i2c->dev, sizeof(*bd70528), GFP_KERNEL); - if (!bd70528) - return -ENOMEM; - - mutex_init(&bd70528->rtc_timer_lock); - - dev_set_drvdata(&i2c->dev, &bd70528->chip); - - bd70528->chip.regmap = devm_regmap_init_i2c(i2c, &bd70528_regmap); - if (IS_ERR(bd70528->chip.regmap)) { - dev_err(&i2c->dev, "Failed to initialize Regmap\n"); - return PTR_ERR(bd70528->chip.regmap); - } - - /* - * Disallow type setting for all IRQs by default as most of them do not - * support setting type. - */ - for (i = 0; i < ARRAY_SIZE(bd70528_irqs); i++) - bd70528_irqs[i].type.types_supported = 0; - - /* Set IRQ typesetting information for GPIO pins 0 - 3 */ - for (i = 0; i < BD70528_NUM_OF_GPIOS; i++) { - struct regmap_irq_type *type; - - type = &bd70528_irqs[BD70528_INT_GPIO0 + i].type; - type->type_reg_offset = 2 * i; - type->type_rising_val = 0x20; - type->type_falling_val = 0x10; - type->type_level_high_val = 0x40; - type->type_level_low_val = 0x50; - type->types_supported = (IRQ_TYPE_EDGE_BOTH | - IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW); - } - - ret = devm_regmap_add_irq_chip(&i2c->dev, bd70528->chip.regmap, - i2c->irq, IRQF_ONESHOT, 0, - &bd70528_irq_chip, &irq_data); - if (ret) { - dev_err(&i2c->dev, "Failed to add IRQ chip\n"); - return ret; - } - dev_dbg(&i2c->dev, "Registered %d IRQs for chip\n", - bd70528_irq_chip.num_irqs); - - /* - * BD70528 IRQ controller is not touching the main mask register. - * So enable the GPIO block interrupts at main level. We can just leave - * them enabled as the IRQ controller should disable IRQs from - * sub-registers when IRQ is disabled or freed. - */ - ret = regmap_update_bits(bd70528->chip.regmap, - BD70528_REG_INT_MAIN_MASK, - BD70528_INT_GPIO_MASK, 0); - - ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, - bd70528_mfd_cells, - ARRAY_SIZE(bd70528_mfd_cells), NULL, 0, - regmap_irq_get_domain(irq_data)); - if (ret) - dev_err(&i2c->dev, "Failed to create subdevices\n"); - - return ret; -} - -static const struct of_device_id bd70528_of_match[] = { - { .compatible = "rohm,bd70528", }, - { }, -}; -MODULE_DEVICE_TABLE(of, bd70528_of_match); - -static struct i2c_driver bd70528_drv = { - .driver = { - .name = "rohm-bd70528", - .of_match_table = bd70528_of_match, - }, - .probe = &bd70528_i2c_probe, -}; - -module_i2c_driver(bd70528_drv); - -MODULE_AUTHOR("Matti Vaittinen "); -MODULE_DESCRIPTION("ROHM BD70528 Power Management IC driver"); -MODULE_LICENSE("GPL"); diff --git a/include/linux/mfd/rohm-bd70528.h b/include/linux/mfd/rohm-bd70528.h deleted file mode 100644 index 4a5966475a35..000000000000 --- a/include/linux/mfd/rohm-bd70528.h +++ /dev/null @@ -1,389 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* Copyright (C) 2018 ROHM Semiconductors */ - -#ifndef __LINUX_MFD_BD70528_H__ -#define __LINUX_MFD_BD70528_H__ - -#include -#include -#include -#include -#include - -enum { - BD70528_BUCK1, - BD70528_BUCK2, - BD70528_BUCK3, - BD70528_LDO1, - BD70528_LDO2, - BD70528_LDO3, - BD70528_LED1, - BD70528_LED2, -}; - -struct bd70528_data { - struct rohm_regmap_dev chip; - struct mutex rtc_timer_lock; -}; - -#define BD70528_BUCK_VOLTS 0x10 -#define BD70528_LDO_VOLTS 0x20 - -#define BD70528_REG_BUCK1_EN 0x0F -#define BD70528_REG_BUCK1_VOLT 0x15 -#define BD70528_REG_BUCK2_EN 0x10 -#define BD70528_REG_BUCK2_VOLT 0x16 -#define BD70528_REG_BUCK3_EN 0x11 -#define BD70528_REG_BUCK3_VOLT 0x17 -#define BD70528_REG_LDO1_EN 0x1b -#define BD70528_REG_LDO1_VOLT 0x1e -#define BD70528_REG_LDO2_EN 0x1c -#define BD70528_REG_LDO2_VOLT 0x1f -#define BD70528_REG_LDO3_EN 0x1d -#define BD70528_REG_LDO3_VOLT 0x20 -#define BD70528_REG_LED_CTRL 0x2b -#define BD70528_REG_LED_VOLT 0x29 -#define BD70528_REG_LED_EN 0x2a - -/* main irq registers */ -#define BD70528_REG_INT_MAIN 0x7E -#define BD70528_REG_INT_MAIN_MASK 0x74 - -/* 'sub irq' registers */ -#define BD70528_REG_INT_SHDN 0x7F -#define BD70528_REG_INT_PWR_FLT 0x80 -#define BD70528_REG_INT_VR_FLT 0x81 -#define BD70528_REG_INT_MISC 0x82 -#define BD70528_REG_INT_BAT1 0x83 -#define BD70528_REG_INT_BAT2 0x84 -#define BD70528_REG_INT_RTC 0x85 -#define BD70528_REG_INT_GPIO 0x86 -#define BD70528_REG_INT_OP_FAIL 0x87 - -#define BD70528_REG_INT_SHDN_MASK 0x75 -#define BD70528_REG_INT_PWR_FLT_MASK 0x76 -#define BD70528_REG_INT_VR_FLT_MASK 0x77 -#define BD70528_REG_INT_MISC_MASK 0x78 -#define BD70528_REG_INT_BAT1_MASK 0x79 -#define BD70528_REG_INT_BAT2_MASK 0x7a -#define BD70528_REG_INT_RTC_MASK 0x7b -#define BD70528_REG_INT_GPIO_MASK 0x7c -#define BD70528_REG_INT_OP_FAIL_MASK 0x7d - -/* Reset related 'magic' registers */ -#define BD70528_REG_SHIPMODE 0x03 -#define BD70528_REG_HWRESET 0x04 -#define BD70528_REG_WARMRESET 0x05 -#define BD70528_REG_STANDBY 0x06 - -/* GPIO registers */ -#define BD70528_REG_GPIO_STATE 0x8F - -#define BD70528_REG_GPIO1_IN 0x4d -#define BD70528_REG_GPIO2_IN 0x4f -#define BD70528_REG_GPIO3_IN 0x51 -#define BD70528_REG_GPIO4_IN 0x53 -#define BD70528_REG_GPIO1_OUT 0x4e -#define BD70528_REG_GPIO2_OUT 0x50 -#define BD70528_REG_GPIO3_OUT 0x52 -#define BD70528_REG_GPIO4_OUT 0x54 - -/* RTC */ - -#define BD70528_REG_RTC_COUNT_H 0x2d -#define BD70528_REG_RTC_COUNT_L 0x2e -#define BD70528_REG_RTC_SEC 0x2f -#define BD70528_REG_RTC_MINUTE 0x30 -#define BD70528_REG_RTC_HOUR 0x31 -#define BD70528_REG_RTC_WEEK 0x32 -#define BD70528_REG_RTC_DAY 0x33 -#define BD70528_REG_RTC_MONTH 0x34 -#define BD70528_REG_RTC_YEAR 0x35 - -#define BD70528_REG_RTC_ALM_SEC 0x36 -#define BD70528_REG_RTC_ALM_START BD70528_REG_RTC_ALM_SEC -#define BD70528_REG_RTC_ALM_MINUTE 0x37 -#define BD70528_REG_RTC_ALM_HOUR 0x38 -#define BD70528_REG_RTC_ALM_WEEK 0x39 -#define BD70528_REG_RTC_ALM_DAY 0x3a -#define BD70528_REG_RTC_ALM_MONTH 0x3b -#define BD70528_REG_RTC_ALM_YEAR 0x3c -#define BD70528_REG_RTC_ALM_MASK 0x3d -#define BD70528_REG_RTC_ALM_REPEAT 0x3e -#define BD70528_REG_RTC_START BD70528_REG_RTC_SEC - -#define BD70528_REG_RTC_WAKE_SEC 0x43 -#define BD70528_REG_RTC_WAKE_START BD70528_REG_RTC_WAKE_SEC -#define BD70528_REG_RTC_WAKE_MIN 0x44 -#define BD70528_REG_RTC_WAKE_HOUR 0x45 -#define BD70528_REG_RTC_WAKE_CTRL 0x46 - -#define BD70528_REG_ELAPSED_TIMER_EN 0x42 -#define BD70528_REG_WAKE_EN 0x46 - -/* WDT registers */ -#define BD70528_REG_WDT_CTRL 0x4A -#define BD70528_REG_WDT_HOUR 0x49 -#define BD70528_REG_WDT_MINUTE 0x48 -#define BD70528_REG_WDT_SEC 0x47 - -/* Charger / Battery */ -#define BD70528_REG_CHG_CURR_STAT 0x59 -#define BD70528_REG_CHG_BAT_STAT 0x57 -#define BD70528_REG_CHG_BAT_TEMP 0x58 -#define BD70528_REG_CHG_IN_STAT 0x56 -#define BD70528_REG_CHG_DCIN_ILIM 0x5d -#define BD70528_REG_CHG_CHG_CURR_WARM 0x61 -#define BD70528_REG_CHG_CHG_CURR_COLD 0x62 - -/* Masks for main IRQ register bits */ -enum { - BD70528_INT_SHDN, -#define BD70528_INT_SHDN_MASK BIT(BD70528_INT_SHDN) - BD70528_INT_PWR_FLT, -#define BD70528_INT_PWR_FLT_MASK BIT(BD70528_INT_PWR_FLT) - BD70528_INT_VR_FLT, -#define BD70528_INT_VR_FLT_MASK BIT(BD70528_INT_VR_FLT) - BD70528_INT_MISC, -#define BD70528_INT_MISC_MASK BIT(BD70528_INT_MISC) - BD70528_INT_BAT1, -#define BD70528_INT_BAT1_MASK BIT(BD70528_INT_BAT1) - BD70528_INT_RTC, -#define BD70528_INT_RTC_MASK BIT(BD70528_INT_RTC) - BD70528_INT_GPIO, -#define BD70528_INT_GPIO_MASK BIT(BD70528_INT_GPIO) - BD70528_INT_OP_FAIL, -#define BD70528_INT_OP_FAIL_MASK BIT(BD70528_INT_OP_FAIL) -}; - -/* IRQs */ -enum { - /* Shutdown register IRQs */ - BD70528_INT_LONGPUSH, - BD70528_INT_WDT, - BD70528_INT_HWRESET, - BD70528_INT_RSTB_FAULT, - BD70528_INT_VBAT_UVLO, - BD70528_INT_TSD, - BD70528_INT_RSTIN, - /* Power failure register IRQs */ - BD70528_INT_BUCK1_FAULT, - BD70528_INT_BUCK2_FAULT, - BD70528_INT_BUCK3_FAULT, - BD70528_INT_LDO1_FAULT, - BD70528_INT_LDO2_FAULT, - BD70528_INT_LDO3_FAULT, - BD70528_INT_LED1_FAULT, - BD70528_INT_LED2_FAULT, - /* VR FAULT register IRQs */ - BD70528_INT_BUCK1_OCP, - BD70528_INT_BUCK2_OCP, - BD70528_INT_BUCK3_OCP, - BD70528_INT_LED1_OCP, - BD70528_INT_LED2_OCP, - BD70528_INT_BUCK1_FULLON, - BD70528_INT_BUCK2_FULLON, - /* PMU register interrupts */ - BD70528_INT_SHORTPUSH, - BD70528_INT_AUTO_WAKEUP, - BD70528_INT_STATE_CHANGE, - /* Charger 1 register IRQs */ - BD70528_INT_BAT_OV_RES, - BD70528_INT_BAT_OV_DET, - BD70528_INT_DBAT_DET, - BD70528_INT_BATTSD_COLD_RES, - BD70528_INT_BATTSD_COLD_DET, - BD70528_INT_BATTSD_HOT_RES, - BD70528_INT_BATTSD_HOT_DET, - BD70528_INT_CHG_TSD, - /* Charger 2 register IRQs */ - BD70528_INT_BAT_RMV, - BD70528_INT_BAT_DET, - BD70528_INT_DCIN2_OV_RES, - BD70528_INT_DCIN2_OV_DET, - BD70528_INT_DCIN2_RMV, - BD70528_INT_DCIN2_DET, - BD70528_INT_DCIN1_RMV, - BD70528_INT_DCIN1_DET, - /* RTC register IRQs */ - BD70528_INT_RTC_ALARM, - BD70528_INT_ELPS_TIM, - /* GPIO register IRQs */ - BD70528_INT_GPIO0, - BD70528_INT_GPIO1, - BD70528_INT_GPIO2, - BD70528_INT_GPIO3, - /* Invalid operation register IRQs */ - BD70528_INT_BUCK1_DVS_OPFAIL, - BD70528_INT_BUCK2_DVS_OPFAIL, - BD70528_INT_BUCK3_DVS_OPFAIL, - BD70528_INT_LED1_VOLT_OPFAIL, - BD70528_INT_LED2_VOLT_OPFAIL, -}; - -/* Masks */ -#define BD70528_INT_LONGPUSH_MASK 0x1 -#define BD70528_INT_WDT_MASK 0x2 -#define BD70528_INT_HWRESET_MASK 0x4 -#define BD70528_INT_RSTB_FAULT_MASK 0x8 -#define BD70528_INT_VBAT_UVLO_MASK 0x10 -#define BD70528_INT_TSD_MASK 0x20 -#define BD70528_INT_RSTIN_MASK 0x40 - -#define BD70528_INT_BUCK1_FAULT_MASK 0x1 -#define BD70528_INT_BUCK2_FAULT_MASK 0x2 -#define BD70528_INT_BUCK3_FAULT_MASK 0x4 -#define BD70528_INT_LDO1_FAULT_MASK 0x8 -#define BD70528_INT_LDO2_FAULT_MASK 0x10 -#define BD70528_INT_LDO3_FAULT_MASK 0x20 -#define BD70528_INT_LED1_FAULT_MASK 0x40 -#define BD70528_INT_LED2_FAULT_MASK 0x80 - -#define BD70528_INT_BUCK1_OCP_MASK 0x1 -#define BD70528_INT_BUCK2_OCP_MASK 0x2 -#define BD70528_INT_BUCK3_OCP_MASK 0x4 -#define BD70528_INT_LED1_OCP_MASK 0x8 -#define BD70528_INT_LED2_OCP_MASK 0x10 -#define BD70528_INT_BUCK1_FULLON_MASK 0x20 -#define BD70528_INT_BUCK2_FULLON_MASK 0x40 - -#define BD70528_INT_SHORTPUSH_MASK 0x1 -#define BD70528_INT_AUTO_WAKEUP_MASK 0x2 -#define BD70528_INT_STATE_CHANGE_MASK 0x10 - -#define BD70528_INT_BAT_OV_RES_MASK 0x1 -#define BD70528_INT_BAT_OV_DET_MASK 0x2 -#define BD70528_INT_DBAT_DET_MASK 0x4 -#define BD70528_INT_BATTSD_COLD_RES_MASK 0x8 -#define BD70528_INT_BATTSD_COLD_DET_MASK 0x10 -#define BD70528_INT_BATTSD_HOT_RES_MASK 0x20 -#define BD70528_INT_BATTSD_HOT_DET_MASK 0x40 -#define BD70528_INT_CHG_TSD_MASK 0x80 - -#define BD70528_INT_BAT_RMV_MASK 0x1 -#define BD70528_INT_BAT_DET_MASK 0x2 -#define BD70528_INT_DCIN2_OV_RES_MASK 0x4 -#define BD70528_INT_DCIN2_OV_DET_MASK 0x8 -#define BD70528_INT_DCIN2_RMV_MASK 0x10 -#define BD70528_INT_DCIN2_DET_MASK 0x20 -#define BD70528_INT_DCIN1_RMV_MASK 0x40 -#define BD70528_INT_DCIN1_DET_MASK 0x80 - -#define BD70528_INT_RTC_ALARM_MASK 0x1 -#define BD70528_INT_ELPS_TIM_MASK 0x2 - -#define BD70528_INT_GPIO0_MASK 0x1 -#define BD70528_INT_GPIO1_MASK 0x2 -#define BD70528_INT_GPIO2_MASK 0x4 -#define BD70528_INT_GPIO3_MASK 0x8 - -#define BD70528_INT_BUCK1_DVS_OPFAIL_MASK 0x1 -#define BD70528_INT_BUCK2_DVS_OPFAIL_MASK 0x2 -#define BD70528_INT_BUCK3_DVS_OPFAIL_MASK 0x4 -#define BD70528_INT_LED1_VOLT_OPFAIL_MASK 0x10 -#define BD70528_INT_LED2_VOLT_OPFAIL_MASK 0x20 - -#define BD70528_DEBOUNCE_MASK 0x3 - -#define BD70528_DEBOUNCE_DISABLE 0 -#define BD70528_DEBOUNCE_15MS 1 -#define BD70528_DEBOUNCE_30MS 2 -#define BD70528_DEBOUNCE_50MS 3 - -#define BD70528_GPIO_DRIVE_MASK 0x2 -#define BD70528_GPIO_PUSH_PULL 0x0 -#define BD70528_GPIO_OPEN_DRAIN 0x2 - -#define BD70528_GPIO_OUT_EN_MASK 0x80 -#define BD70528_GPIO_OUT_ENABLE 0x80 -#define BD70528_GPIO_OUT_DISABLE 0x0 - -#define BD70528_GPIO_OUT_HI 0x1 -#define BD70528_GPIO_OUT_LO 0x0 -#define BD70528_GPIO_OUT_MASK 0x1 - -#define BD70528_GPIO_IN_STATE_BASE 1 - -/* RTC masks to mask out reserved bits */ - -#define BD70528_MASK_ELAPSED_TIMER_EN 0x1 -/* Mask second, min and hour fields - * HW would support ALM irq for over 24h - * (by setting day, month and year too) - * but as we wish to keep this same as for - * wake-up we limit ALM to 24H and only - * unmask sec, min and hour - */ -#define BD70528_MASK_WAKE_EN 0x1 - -/* WDT masks */ -#define BD70528_MASK_WDT_EN 0x1 -#define BD70528_MASK_WDT_HOUR 0x1 -#define BD70528_MASK_WDT_MINUTE 0x7f -#define BD70528_MASK_WDT_SEC 0x7f - -#define BD70528_WDT_STATE_BIT 0x1 -#define BD70528_ELAPSED_STATE_BIT 0x2 -#define BD70528_WAKE_STATE_BIT 0x4 - -/* Charger masks */ -#define BD70528_MASK_CHG_STAT 0x7f -#define BD70528_MASK_CHG_BAT_TIMER 0x20 -#define BD70528_MASK_CHG_BAT_OVERVOLT 0x10 -#define BD70528_MASK_CHG_BAT_DETECT 0x1 -#define BD70528_MASK_CHG_DCIN1_UVLO 0x1 -#define BD70528_MASK_CHG_DCIN_ILIM 0x3f -#define BD70528_MASK_CHG_CHG_CURR 0x1f -#define BD70528_MASK_CHG_TRICKLE_CURR 0x10 - -/* - * Note, external battery register is the lonely rider at - * address 0xc5. See how to stuff that in the regmap - */ -#define BD70528_MAX_REGISTER 0x94 - -/* Buck control masks */ -#define BD70528_MASK_RUN_EN 0x4 -#define BD70528_MASK_STBY_EN 0x2 -#define BD70528_MASK_IDLE_EN 0x1 -#define BD70528_MASK_LED1_EN 0x1 -#define BD70528_MASK_LED2_EN 0x10 - -#define BD70528_MASK_BUCK_VOLT 0xf -#define BD70528_MASK_LDO_VOLT 0x1f -#define BD70528_MASK_LED1_VOLT 0x1 -#define BD70528_MASK_LED2_VOLT 0x10 - -/* Misc irq masks */ -#define BD70528_INT_MASK_SHORT_PUSH 1 -#define BD70528_INT_MASK_AUTO_WAKE 2 -#define BD70528_INT_MASK_POWER_STATE 4 - -#define BD70528_MASK_BUCK_RAMP 0x10 -#define BD70528_SIFT_BUCK_RAMP 4 - -#if IS_ENABLED(CONFIG_BD70528_WATCHDOG) - -int bd70528_wdt_set(struct rohm_regmap_dev *data, int enable, int *old_state); -void bd70528_wdt_lock(struct rohm_regmap_dev *data); -void bd70528_wdt_unlock(struct rohm_regmap_dev *data); - -#else /* CONFIG_BD70528_WATCHDOG */ - -static inline int bd70528_wdt_set(struct rohm_regmap_dev *data, int enable, - int *old_state) -{ - return 0; -} - -static inline void bd70528_wdt_lock(struct rohm_regmap_dev *data) -{ -} - -static inline void bd70528_wdt_unlock(struct rohm_regmap_dev *data) -{ -} - -#endif /* CONFIG_BD70528_WATCHDOG */ - -#endif /* __LINUX_MFD_BD70528_H__ */ diff --git a/include/linux/mfd/rohm-generic.h b/include/linux/mfd/rohm-generic.h index 35b392a0d73a..8fb763a2265a 100644 --- a/include/linux/mfd/rohm-generic.h +++ b/include/linux/mfd/rohm-generic.h @@ -12,7 +12,6 @@ enum rohm_chip_type { ROHM_CHIP_TYPE_BD9573, ROHM_CHIP_TYPE_BD9574, ROHM_CHIP_TYPE_BD9576, - ROHM_CHIP_TYPE_BD70528, ROHM_CHIP_TYPE_BD71815, ROHM_CHIP_TYPE_BD71828, ROHM_CHIP_TYPE_BD71837, From patchwork Thu Oct 28 09:19:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1547389 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4Hg0Pn6YNWz9sRN for ; Thu, 28 Oct 2021 20:19:41 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230166AbhJ1JWH (ORCPT ); Thu, 28 Oct 2021 05:22:07 -0400 Received: from mail-lf1-f44.google.com ([209.85.167.44]:34793 "EHLO mail-lf1-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230124AbhJ1JWH (ORCPT ); Thu, 28 Oct 2021 05:22:07 -0400 Received: by mail-lf1-f44.google.com with SMTP id u11so12224703lfs.1; Thu, 28 Oct 2021 02:19:40 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=2mmhTTP4Qy+KhAe38thA6Tq/Dy9B7Ar6r4uzxdubI4Q=; b=ciLO7bO0DhIfhf8AUnww8ZyL9uTHC9CXJnGz4v0sIDoPSNCH+PO+jnXfR1Q519z6yb PqhNbXveXjd95RJU1MaDalwebhhQR+BFGj8D9SqRJ1alXiDBLpHNZ/aOkOcjIklA0+ev w6JGgK/kYNpYbix+pX2RpEUDIUwqqPU4hge5kVTJ9aII2ky+Ptis8saGWKNIwDfmDz4j BODhlrmpKLiLhlFR6tBADIkH9YKBsphJMcsVxwMygZONy85E3N0xLgHmuM/ZOR4tni8j rBYJcfJMlpGHKHVcP8apRjcJwnIUQThWrPnY7bfCj89HWbEygbTAfpBYwKEbo+BTRnvU ml1Q== X-Gm-Message-State: AOAM5322OXopGTNCfo3SAqkTutjJ/EGkKCcPn8Ugnln9km7XvGVWAZXv 15k8RdhewTXInQ8Dwf9bC0oJsfZIbpc= X-Google-Smtp-Source: ABdhPJx6UcY0PEhhRnmhp+U9YlaEzFRijCH63lG0Pn2VHDPYNTTmzxdAczl6JsQKxF3/u+PEnH/vvA== X-Received: by 2002:a05:6512:33a9:: with SMTP id i9mr3091960lfg.82.1635412779433; Thu, 28 Oct 2021 02:19:39 -0700 (PDT) Received: from fedora (d44bs26yxfwtfmx4yyk-4.rev.dnainternet.fi. [2001:14bb:c6:2fb:6813:24a0:454f:2]) by smtp.gmail.com with ESMTPSA id u6sm256389lfs.21.2021.10.28.02.19.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 02:19:38 -0700 (PDT) Date: Thu, 28 Oct 2021 12:19:32 +0300 From: Matti Vaittinen To: Matti Vaittinen , Matti Vaittinen Cc: lukas.bulwahn@gmail.com, Lee Jones , Rob Herring , Liam Girdwood , Mark Brown , Linus Walleij , Bartosz Golaszewski , Matti Vaittinen , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-power@fi.rohmeurope.com Subject: [RESEND PATCH 4/4] MAINTAINERS: bd70528: Drop ROHM BD70528 drivers Message-ID: <6b8819238dfe43e356c2c5035c5ffe487257bf70.1635412162.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org The only known BD70528 use-cases are such that the PMIC is controlled from separate MCU which is not running Linux. I am not aware of any Linux driver users. Furthermore, it seems there is no demand for this IC. Ease the maintenance burden and drop the driver. Signed-off-by: Matti Vaittinen --- MAINTAINERS | 8 -------- 1 file changed, 8 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index f26920f0fa65..08d19fed6609 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -16173,27 +16173,19 @@ ROHM POWER MANAGEMENT IC DEVICE DRIVERS R: Matti Vaittinen L: linux-power@fi.rohmeurope.com S: Supported -F: Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt -F: Documentation/devicetree/bindings/regulator/rohm,bd70528-regulator.txt F: drivers/clk/clk-bd718x7.c -F: drivers/gpio/gpio-bd70528.c F: drivers/gpio/gpio-bd71815.c F: drivers/gpio/gpio-bd71828.c -F: drivers/mfd/rohm-bd70528.c F: drivers/mfd/rohm-bd71828.c F: drivers/mfd/rohm-bd718x7.c F: drivers/mfd/rohm-bd9576.c -F: drivers/power/supply/bd70528-charger.c -F: drivers/regulator/bd70528-regulator.c F: drivers/regulator/bd71815-regulator.c F: drivers/regulator/bd71828-regulator.c F: drivers/regulator/bd718x7-regulator.c F: drivers/regulator/bd9576-regulator.c F: drivers/regulator/rohm-regulator.c F: drivers/rtc/rtc-bd70528.c -F: drivers/watchdog/bd70528_wdt.c F: drivers/watchdog/bd9576_wdt.c -F: include/linux/mfd/rohm-bd70528.h F: include/linux/mfd/rohm-bd71815.h F: include/linux/mfd/rohm-bd71828.h F: include/linux/mfd/rohm-bd718x7.h