From patchwork Wed Apr 3 12:44:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Vaittinen, Matti" X-Patchwork-Id: 10883687 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CB2F3139A for ; Wed, 3 Apr 2019 12:45:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B15D3285D9 for ; Wed, 3 Apr 2019 12:45:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A49C428742; Wed, 3 Apr 2019 12:45:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1C84D285D9 for ; Wed, 3 Apr 2019 12:45:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726708AbfDCMoy (ORCPT ); Wed, 3 Apr 2019 08:44:54 -0400 Received: from mail-lj1-f193.google.com ([209.85.208.193]:43413 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726064AbfDCMoy (ORCPT ); Wed, 3 Apr 2019 08:44:54 -0400 Received: by mail-lj1-f193.google.com with SMTP id f18so14699008lja.10; Wed, 03 Apr 2019 05:44:51 -0700 (PDT) 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=6xoBu4gzgqRszk8r7AI4j0JcbVx8LP/AIzElywA1uLc=; b=l2obHjxhvNSAFds4qZakxcYgEAoi/k+ZnxtaDS7MB3Wxbpg5nAqkrl4JqZNcTjH3vq DxDVA92ZbLffZVvmddQZG+mrZ90d9Px9RcPEHjpDzGWvxcjePa+a1nrNvndiLM3/7KTP EWLEc3YBGtbKZ/Yw/xsWveTEDSgs+BOJqt6HSN/r7kKTxSVcOhGjq0dgp4tGQQMv4a+b vvE94yF0cQoC4TNDeVcO64OeeBF5zeYEdDadqKhjHH2sOUnEyN4904Crpu+rI5KldXQP oFZHp0rw8yvETI3tetyYz/mejbQJj6IpIpaxKmnQMKokbu6NwBJDPVg/pYhEm0lPUTiu n2Vw== X-Gm-Message-State: APjAAAVtTq5B+zjJETZhBlb4CmHzeRGHZUpcauHYdKvpAzu3zF0Nwv81 1AgI831CzIoXve/6tyknjPs= X-Google-Smtp-Source: APXvYqxeGM5l3zwYpMernhWJ4J/lmOn9tHcAYv0i+dITkZpkBs+4uPVtQ8OImgNtgGK2Z5MhDIeeAA== X-Received: by 2002:a2e:3803:: with SMTP id f3mr12111793lja.165.1554295490495; Wed, 03 Apr 2019 05:44:50 -0700 (PDT) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id m28sm3252084lfc.54.2019.04.03.05.44.49 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 03 Apr 2019 05:44:50 -0700 (PDT) Date: Wed, 3 Apr 2019 15:44:41 +0300 From: Matti Vaittinen To: Matti Vaittinen , mazziesaccount@gmail.com Cc: Rob Herring , Mark Rutland , Michael Turquette , Stephen Boyd , Linus Walleij , Bartosz Golaszewski , Sebastian Reichel , Liam Girdwood , Mark Brown , Alessandro Zummo , Alexandre Belloni , Wim Van Sebroeck , Guenter Roeck , 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, heikki.haikola@fi.rohmeurope.com, mikko.mutanen@fi.rohmeurope.com Subject: [PATCH v12 4/8] dt-bindings: mfd: Document first ROHM BD70528 bindings Message-ID: <0b9891d3a4050ae6c16a9e4049d2b558a6d91854.1554294791.git.matti.vaittinen@fi.rohmeurope.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 --- Changelog v12: - minor grammar/styling fixes suggested by Lee Jones .../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..c3c02ce73cde --- /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 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 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>; + }; + }; +};