From patchwork Tue Jan 14 15:19:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Smirnov X-Patchwork-Id: 205739 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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 67043C33CB3 for ; Tue, 14 Jan 2020 15:19:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3CF1224681 for ; Tue, 14 Jan 2020 15:19:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="IVlh6j/i" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729169AbgANPTh (ORCPT ); Tue, 14 Jan 2020 10:19:37 -0500 Received: from mail-pf1-f196.google.com ([209.85.210.196]:45467 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729196AbgANPTd (ORCPT ); Tue, 14 Jan 2020 10:19:33 -0500 Received: by mail-pf1-f196.google.com with SMTP id 2so6714153pfg.12; Tue, 14 Jan 2020 07:19:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ST7QEf8JaPsIhTPBLpP4peL3yXUV3NDdYF9SiuXeCzg=; b=IVlh6j/iSAlzh10qy/FDJ4HvKz7R892wUQuYxOTYHl2N97PS0Wd+wj3Vcue7B+cqjn +GUB4l5bI0/Eq5IssJDljQfcYTJ3oOQj4m33wenYcWvcEGIuzPtWFr+seGkEJtifjYEM OtOSSexK4L4a64yBYbhtlTy6uLShoG5jR7+VC1c4obRovM2+xRUGWGJiw4B/aVCuMioK mNIBgWFyvaKaUu0wWhRdQCyCAl99OH7jU+9lEHb1wEpM2H4qRPUR7G3e13xHve+pUgFB Sr3EsDENkZfV3fAXxfr8EULSslN0/W9x3sjP0V1ghY94OGauXGQdzNXH0qSYZ3oX9qdg SuGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ST7QEf8JaPsIhTPBLpP4peL3yXUV3NDdYF9SiuXeCzg=; b=qKLW8ECzKkm0T5HhzveDbxoxqQapYtT1NroKKsDEy8dr3NtvsorKPe5EX48x/ZUS9h hsNPzPQJ+3UHEsbHL1zFmU82NcSiqVStv2dA65P8VI1wq7X9+BqD5gq6+ZxR1lMu3YLI xlDX25A8tkwHW7SQ4njRtv1xXeO0mgpnnOTZ33abbARS7qJKu6emwma+mqKxe358Bupo E79uj88B4t8P8RKhjlAqukUzkal9MVe8NT89Ypj1P3YeEivZjmlE1C10Y9QmBxk0MJSI feVK/JnP/8KutJVo9DeFaWL+2io7UU6PI9ip3Q9rZN85FSlSO0t1t2Xwn0PHOQauX+YU mBEQ== X-Gm-Message-State: APjAAAUQpWjnIAKqPWh+x5CXjlLeboOPA5K+keKeMi3aKYzm8DDSEF/7 gZT23zH4vxJxqbhS3MO9EA4= X-Google-Smtp-Source: APXvYqwJlfdrCgQOUs+s+KcUfryciwUOYLQN9kEOTk43lgOjAPQX3p1bITQdDG6m0bJ77nBU9isuZw== X-Received: by 2002:a65:6914:: with SMTP id s20mr26982174pgq.44.1579015172492; Tue, 14 Jan 2020 07:19:32 -0800 (PST) Received: from localhost.localdomain (c-67-165-113-11.hsd1.wa.comcast.net. [67.165.113.11]) by smtp.gmail.com with ESMTPSA id 207sm18834425pfu.88.2020.01.14.07.19.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jan 2020 07:19:31 -0800 (PST) From: Andrey Smirnov To: linux-arm-kernel@lists.infradead.org Cc: Andrey Smirnov , Chris Healy , Fabio Estevam , Shawn Guo , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/5] ARM: dts: vf610-zii-cfu1: Add voltage monitor DT node Date: Tue, 14 Jan 2020 07:19:06 -0800 Message-Id: <20200114151906.25491-6-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200114151906.25491-1-andrew.smirnov@gmail.com> References: <20200114151906.25491-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add a DT node for various voltage supply rails connected to SoC's ADC for voltage monitoring purposes. Signed-off-by: Andrey Smirnov Cc: Chris Healy Cc: Fabio Estevam Cc: Shawn Guo Cc: linux-arm-kernel@lists.infradead.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- arch/arm/boot/dts/vf610-zii-cfu1.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/vf610-zii-cfu1.dts b/arch/arm/boot/dts/vf610-zii-cfu1.dts index 28732249cfc0..ce1920c052fc 100644 --- a/arch/arm/boot/dts/vf610-zii-cfu1.dts +++ b/arch/arm/boot/dts/vf610-zii-cfu1.dts @@ -71,6 +71,14 @@ los-gpio = <&gpio4 4 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; }; + + supply-voltage-monitor { + compatible = "iio-hwmon"; + io-channels = <&adc0 8>, /* 28VDC_IN */ + <&adc0 9>, /* +3.3V */ + <&adc1 8>, /* VCC_1V5 */ + <&adc1 9>; /* VCC_1V2 */ + }; }; &adc0 {