From patchwork Thu Feb 14 13:08:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Vaittinen X-Patchwork-Id: 1042136 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=fi.rohmeurope.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 440cCK0kZdz9sNQ for ; Fri, 15 Feb 2019 00:08:29 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436764AbfBNNI1 (ORCPT ); Thu, 14 Feb 2019 08:08:27 -0500 Received: from mail-lf1-f67.google.com ([209.85.167.67]:42577 "EHLO mail-lf1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725838AbfBNNI1 (ORCPT ); Thu, 14 Feb 2019 08:08:27 -0500 Received: by mail-lf1-f67.google.com with SMTP id l10so4475419lfh.9; Thu, 14 Feb 2019 05:08:24 -0800 (PST) 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:in-reply-to:user-agent; bh=Eu7lHWlxls44TPPvLrTFTcJsvdhBmvRyDzook3MPH5o=; b=njFwhvPPrjy/DG91IrXtP5ZGPXxrWbeLT76ycTKADYq+u+3W67OzPKhKKJANAZRgye ywTQawfhrzrqBoHk2MWlnqUM4uJ/jOx8QwQdC0sqJob6NqFzrga3/jwTYM+QgPHmu3iU tOpXae8PKA2SxLt3TEEB4fmcxbd4JtKAv3fMiWQdZGEhHcYqrGcbHa3YwOcJdFH5alNm 96bdXinwzPsTNBEBoKpgP2Wr/lWBVgYPBo1Ii6BDJ2eJaz261RPgP4+sORb+uwEw50Sl SP7tNtEERMbda3KWb+pnG7/Q86EKV8A9crxf6pjuux2IbALP2TqBfKDZtWV16TaCnb+9 EizA== X-Gm-Message-State: AHQUAuZTS1rVaKnl6f9LAB70lmfuGYe/oBY7oYbLMX/poaRQvzDh1YBi IdTnI/UR7ZG1mkGmQjo4yQI= X-Google-Smtp-Source: AHgI3Ib9C6k22NKVtYSvUsH61hqjsJUpLexxaxf7KIpYRbIiERxilMH50obRQVMi2dybkWTs3P0CvQ== X-Received: by 2002:a19:f607:: with SMTP id x7mr2315490lfe.47.1550149703628; Thu, 14 Feb 2019 05:08:23 -0800 (PST) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id q1sm465561lfk.15.2019.02.14.05.08.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 14 Feb 2019 05:08:23 -0800 (PST) Date: Thu, 14 Feb 2019 15:08:09 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Guenter Roeck , heikki.haikola@fi.rohmeurope.com, mikko.mutanen@fi.rohmeurope.com, lee.jones@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, broonie@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linus.walleij@linaro.org, bgolaszewski@baylibre.com, sre@kernel.org, lgirdwood@gmail.com, a.zummo@towertech.it, alexandre.belloni@bootlin.com, wim@linux-watchdog.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-watchdog@vger.kernel.org, bogdan-petru.chircu-mare@nxp.com Subject: [PATCH v10 4/9] devicetree: bindings: Document first ROHM BD70528 bindings Message-ID: <90c3b820baf072a7cc3a21aa50c661774a045158.1550148989.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Document bindings for regulators (3 bucks, 3 LDOs and 2 LED drivers) and 4 GPIO pins which can be configured for I/O or as interrupt sources withe configurable trigger levels. Signed-off-by: Matti Vaittinen Reviewed-by: Rob Herring Acked-by: Linus Walleij --- .../devicetree/bindings/mfd/rohm,bd70528-pmic.txt | 102 +++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt b/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt new file mode 100644 index 000000000000..120462c17904 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt @@ -0,0 +1,102 @@ +* ROHM BD70528 Power Management Integrated Circuit bindings + +BD70528MWV is an ultra-low quiescet 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 GPIO_ACTIVE_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>; + }; + }; +};