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=-8.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT autolearn=unavailable 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 0EF6DC282C3 for ; Tue, 22 Jan 2019 09:46:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DC94320879 for ; Tue, 22 Jan 2019 09:46:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727885AbfAVJp4 (ORCPT ); Tue, 22 Jan 2019 04:45:56 -0500 Received: from mail-lf1-f66.google.com ([209.85.167.66]:35951 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727274AbfAVJp4 (ORCPT ); Tue, 22 Jan 2019 04:45:56 -0500 Received: by mail-lf1-f66.google.com with SMTP id a16so17567529lfg.3; Tue, 22 Jan 2019 01:45:53 -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=f+bw/s3uStR9usSxIqUCUye/PM7z0Vw4bLjJVMXo12w=; b=qP7vEZ2gwP6D8mWW6dkoe8VDm9ryOG32p1IhKVrLedUAws1TAnJQzdfD6AFiPC48lJ LT/D3btKlgMAujGv6p3V+6YTEEQ09eHNVvNgnbBZ4NET+i84snA/UY+CZbE4gtI2vBma JsepQ/dUKi0yTqZQa5odexuGcvPLozkw6pElDi2ZrE8JCUJ5G2CHQXBVujfCFuXMw5ZX dGgkLNyAjL2KTJlo7gzc1s5wEAGa7JSdN1ZvBSCnvrBORr6zK+1e8cZljUC4d1VUEgTq q/1zLa+/dvuNDAFNYpWCf4TIxwlog1ppMwuew3lx5uRvPUpwqP2eWu/WVAVvPjkz1dSL 2Jyg== X-Gm-Message-State: AJcUukfTAUrYRFu4H54Ui+jHHFQnWzAtZepKUjpO/zcpNq2LaQ1XelIh YZn3eI5hGZMB0SR5c07oZ78= X-Google-Smtp-Source: ALg8bN58kglYIR9HVcedmdK49DzkYbd9iC9qZLAk1mweyXjgVSWVS1fUxY1q8Dy2xJLpaxjmNYZ7GA== X-Received: by 2002:a19:d381:: with SMTP id k123mr21020634lfg.101.1548150352159; Tue, 22 Jan 2019 01:45:52 -0800 (PST) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id k14sm2761725lfc.70.2019.01.22.01.45.50 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 22 Jan 2019 01:45:51 -0800 (PST) Date: Tue, 22 Jan 2019 11:45:38 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: lee.jones@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, lgirdwood@gmail.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, a.zummo@towertech.it, alexandre.belloni@bootlin.com, wim@linux-watchdog.org, linux@roeck-us.net, 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, mikko.mutanen@fi.rohmeurope.com, heikki.haikola@fi.rohmeurope.com Subject: [RFC PATCH v1 07/13] devicetree: bindings: Document first ROHM BD70528 bindings Message-ID: <80de7a2b537ae3f414b0281736652256f38cf94c.1548149337.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@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 --- .../devicetree/bindings/mfd/rohm,bd70528-pmic.txt | 104 +++++++++++++++++++++ 1 file changed, 104 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..21801440a53a --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt @@ -0,0 +1,104 @@ +* ROHM BD70528 Power Management Integrated Circuit bindings + +BD70528MWV is an ultra-low Iq 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 bits 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. + - interrupt-parent : Phandle to the parent interrupt controller. + - 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-frequency : Should be 32768 + - #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: bd70528@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>; + }; + }; +}; -- 2.14.3 -- Matti Vaittinen ROHM Semiconductors ~~~ "I don't think so," said Rene Descartes. Just then, he vanished ~~~