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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 ACB7ACA9ED0 for ; Fri, 1 Nov 2019 11:31:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 85D5321835 for ; Fri, 1 Nov 2019 11:31:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729408AbfKALbU (ORCPT ); Fri, 1 Nov 2019 07:31:20 -0400 Received: from mail-lf1-f67.google.com ([209.85.167.67]:35668 "EHLO mail-lf1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725904AbfKALbU (ORCPT ); Fri, 1 Nov 2019 07:31:20 -0400 Received: by mail-lf1-f67.google.com with SMTP id y6so7007618lfj.2; Fri, 01 Nov 2019 04:31:16 -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=U2qiUqK+Gya6f2dE93OhlVDqoNY6vPqxC9cgJH5BO+E=; b=sVne7AWtbrtIrC+CGByrVzIPwJfb4HRbXzeHBGs/klUjwWPDMmiiSzpTLEyMCgInEG DEw4GDEgxQPLj3pDoFxEQhrzJcjQZOqSs1QFzBU2GjW/AinvTv1uF8hEkSg9HO/8hnDK 9uIUa0LGN8yNgRpet3xyovjJWdOvyoPDGserZAgQ0WIq+xVZaYF7ZuFqdNzfYHFciy47 G3Fns8+xyP/U+cSqX0m7m4tBpk7FAdB/YgjsTXIFrMsVjnu+osEOiqy3SwV3HqKfo6oE PQ3Fr/205r0myN/gcsJBiuOXId7c4Z0+wBfweaMQ3b6ZS7ObVgyRil2f7rGzSn2B8Nmp NyKg== X-Gm-Message-State: APjAAAXwN5nBvko84rOI/tCq7EzpaLZgmbvHiEWnKYeKQQB+1NZN4Jp5 mf4svZ/GtgtaLWtulCkcDMY= X-Google-Smtp-Source: APXvYqxfzyv04ASPdPyTh0Lo/2TSwI5G5IbW6mGLxuzUEswdDAQvb6WZx3oDF791i08v5t1M1Qd+rg== X-Received: by 2002:a19:40c7:: with SMTP id n190mr7069656lfa.37.1572607876140; Fri, 01 Nov 2019 04:31:16 -0700 (PDT) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id p88sm3664898ljp.13.2019.11.01.04.31.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Nov 2019 04:31:15 -0700 (PDT) Date: Fri, 1 Nov 2019 13:31:03 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Cc: Jacek Anaszewski , Pavel Machek , Dan Murphy , Rob Herring , Mark Rutland , Lee Jones , Liam Girdwood , Mark Brown , Michael Turquette , Stephen Boyd , Linus Walleij , Bartosz Golaszewski , Alessandro Zummo , Alexandre Belloni , linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-rtc@vger.kernel.org Subject: [RFC PATCH v3 02/15] dt-bindings: mfd: Document ROHM BD71828 bindings Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ROHM BD71828 Power management IC integrates 7 buck converters, 7 LDOs, a real-time clock (RTC), 3 GPO/regulator control pins, HALL input and a 32.768 kHz clock gate. Document the dt bindings drivers are using. Signed-off-by: Matti Vaittinen --- Changes from v2 - my first encounter with yaml :/ .../bindings/mfd/rohm,bd71828-pmic.yaml | 249 ++++++++++++++++++ 1 file changed, 249 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml b/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml new file mode 100644 index 000000000000..b2a88f6e1bb7 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml @@ -0,0 +1,249 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/rohm,bd71828-pmic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROHM BD71828 Power Management Integrated Circuit bindings + +maintainers: + - Lee Jones + - Rob Herring + - Mark Rutland + +description: | + BD71828GW is a single-chip power management IC for battery-powered portable + devices. The IC integrates 7 buck converters, 7 LDOs, and a 1500 mA + single-cell linear charger. Also included is a Coulomb counter, a real-time + clock (RTC), and a 32.768 kHz clock gate. + + The BD71828 RUN state is divided into 4 configurable run-levels named RUN0, + RUN1, RUN2 and RUN3. Bucks 1, 2, 6 and 7 can be either controlled individually + via I2C, or some/all of them can be bound to run-levels and controlled as a + group. If bucks are controlled individually these run-levels are ignored. See + ../regulator/rohm,bd71828-regulator.yaml for how to define regulator voltages + for run-levels. Run-levels can be changed by I2C or GPIO depending on PMIC's + OTP configuration. + +properties: + compatible: + const: rohm,bd71828 + reg: + description: + I2C slave address. + maxItems: 1 + + interrupts: + maxItems: 1 + description: + The interrupt line the device is connected to. + + gpio-controller: true + # Indicate BD71828 acts as a GPIO controller. + + "#gpio-cells": + const: 2 + description: | + The first cell is the pin number and the second cell is used to specify + flags. See ../gpio/gpio.txt for more information. + + clocks: + description: + The parent clock connected to PMIC. + + "#clock-cells": + const: 0 + + rohm,charger-sense-resistor: + $ref: "/schemas/types.yaml#/definitions/uint32" + description: | + BD71827 and BD71828 have SAR ADC for measuring charging currents. + External sense resistor (RSENSE in data sheet) should be used. If some + other but 30MOhm resistor is used the resistance value should be given + here in Ohms. + + regulators: + $ref: ../regulator/rohm,bd71828-regulator.yaml + description: + List of child nodes that specify the regulators. + + leds: + $ref: ../leds/rohm,leds-bd71828.yaml + + clock-output-names: + description: + Should contain name for output clock. + + rohm,dvs-vsel-gpios: + description: | + GPIOs used to control PMIC run-levels. Should describe two GPIOs. + (See run-level control in data-sheet). If this property is omitted but + some bucks are marked to be controlled by run-levels - then OTP option + allowing run-level control via I2C is assumed. + + gpio-reserved-ranges: + description: | + Usage of BD71828 GPIO pins can be changed via OTP. This property can be + used to mark the pins which should not be configured for GPIO. Please see + the ../gpio/gpio.txt for more information. + +required: + - compatible + - reg + - interrupts + - clocks + - "#clock-cells" + - regulators + - gpio-controller + - "#gpio-cells" + +examples: + - | + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + pmic: pmic@4b { + compatible = "rohm,bd71828"; + reg = <0x4b>; + + interrupt-parent = <&gpio1>; + interrupts = <29 IRQ_TYPE_LEVEL_LOW>; + + clocks = <&osc 0>; + #clock-cells = <0>; + clock-output-names = "bd71828-32k-out"; + + gpio-controller; + #gpio-cells = <2>; + gpio-reserved-ranges = <0 1 2 1>; + + rohm,dvs-vsel-gpios = <&gpio1 12 0>, <&gpio1 13 0>; + rohm,charger-sense-resistor = <10000000>; + + regulators { + buck1: BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <2000000>; + regulator-ramp-delay = <2500>; + rohm,dvs-runlvl-ctrl; + rohm,dvs-runlevel0-voltage = <500000>; + rohm,dvs-runlevel1-voltage = <506250>; + rohm,dvs-runlevel2-voltage = <512500>; + rohm,dvs-runlevel3-voltage = <518750>; + regulator-boot-on; + }; + buck2: BUCK2 { + regulator-name = "buck2"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <2000000>; + regulator-ramp-delay = <2500>; + rohm,dvs-runlvl-ctrl; + rohm,dvs-runlevel0-voltage = <500000>; + rohm,dvs-runlevel1-voltage = <506250>; + rohm,dvs-runlevel2-voltage = <512500>; + rohm,dvs-runlevel3-voltage = <518750>; + regulator-boot-on; + }; + buck3: BUCK3 { + regulator-name = "buck3"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <2000000>; + regulator-boot-on; + }; + buck4: BUCK4 { + regulator-name = "buck4"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + }; + buck5: BUCK5 { + regulator-name = "buck5"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + buck6: BUCK6 { + regulator-name = "buck6"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <2000000>; + regulator-ramp-delay = <2500>; + rohm,dvs-runlvl-ctrl; + rohm,dvs-runlevel0-voltage = <500000>; + rohm,dvs-runlevel1-voltage = <506250>; + rohm,dvs-runlevel2-voltage = <512500>; + rohm,dvs-runlevel3-voltage = <518750>; + regulator-boot-on; + }; + buck7: BUCK7 { + regulator-name = "buck7"; + regulator-min-microvolt = <500000>; + regulator-max-microvolt = <2000000>; + regulator-ramp-delay = <2500>; + rohm,dvs-runlvl-ctrl; + rohm,dvs-runlevel0-voltage = <500000>; + rohm,dvs-runlevel1-voltage = <506250>; + rohm,dvs-runlevel2-voltage = <512500>; + rohm,dvs-runlevel3-voltage = <518750>; + regulator-boot-on; + }; + ldo1: LDO1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + ldo2: LDO2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + ldo3: LDO3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + ldo4: LDO4 { + regulator-name = "ldo4"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + ldo5: LDO5 { + regulator-name = "ldo5"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + ldo6: LDO6 { + regulator-name = "ldo6"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + }; + ldo7_reg: LDO7 { + regulator-name = "ldo7"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + }; + + leds { + compatible = "rohm,bd71828-led"; + + led-1 { + function = LED_FUNCTION_INDICATOR; + color = ; + }; + led-2 { + function = LED_FUNCTION_CHARGING; + color = ; + }; + }; + }; + }; -- 2.21.0 -- Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~ Simon says - in Latin please. ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~ Thanks to Simon Glass for the translation =]