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[209.132.180.67]) by mx.google.com with ESMTP id e136si7801304pfh.17.2018.11.28.01.30.46; Wed, 28 Nov 2018 01:31:01 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=YOCiG5s5; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728271AbeK1U3p (ORCPT + 99 others); Wed, 28 Nov 2018 15:29:45 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:39314 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727985AbeK1U3o (ORCPT ); Wed, 28 Nov 2018 15:29:44 -0500 Received: by mail-wr1-f66.google.com with SMTP id t27so17562161wra.6 for ; Wed, 28 Nov 2018 01:28:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=J2KaQppUb7HoYan5jNxZK54Kvo3hccmWf4TfzYENl5I=; b=YOCiG5s5IXIfFKf/4VjDF86d+GktK3ExgK4YJ4D0NPZ1APPU4YOsYdABvHqn+ihIWk o1GKk2BIwqKAJfJJiEFAbiUZcI+oxyEUCgNnSaEyECS6LkAkq85ucCAgMAmhHqWozm8Z tNl/jEoUfFCDUI5pyJEsQB2uBU86uuIWeoodo= 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:content-transfer-encoding :in-reply-to:user-agent; bh=J2KaQppUb7HoYan5jNxZK54Kvo3hccmWf4TfzYENl5I=; b=AfxzTG9zPCG7MNaAL9QcXvW5Y/LWqL88ZiXxUrlzN8apGCrZAdZRvwvehO6fVpiSlg cvYK6jdIWF5iWLyTcJRKnGPy2/BgDgCDrR2i5IvOZg+iMShNeJfEpiBVR8C0E0PI5W9A GA8mq3GZ03vXcCOkimUPGtpmtOLPBB4zIU5qXDSXeFPlp/vApRsCutaZeocPszBFx+7c hXmm6fLQRXpQlVjT52qIpAWp07KekGhGAwAV6sRLSReFw7F5e6c/99zQDlquRjdye9ZP Jb+jd9vMwuaw8lvd+3V0dW5jCn8r+WRfObx97vKC1XTO4lmwXUAuUqGb1EHFpR2RkRsk alrQ== X-Gm-Message-State: AA+aEWZ2GsFG9S7ORrQQUTkVGBdnGHa+WB0TkWQ8TJSgd+lva/Q3ENyU StppqLNxvr1Fl6vdRoSGDfT2Aw== X-Received: by 2002:adf:e608:: with SMTP id p8mr30576609wrm.166.1543397323851; Wed, 28 Nov 2018 01:28:43 -0800 (PST) Received: from dell ([2.31.167.233]) by smtp.gmail.com with ESMTPSA id x10sm6387635wrn.29.2018.11.28.01.28.42 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 28 Nov 2018 01:28:43 -0800 (PST) Date: Wed, 28 Nov 2018 09:28:41 +0000 From: Lee Jones To: Priit Laes Cc: Rob Herring , Mark Rutland , Chen-Yu Tsai , Maxime Ripard , Sebastian Reichel , Hans de Goede , Liam Girdwood , Mark Brown , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, Olliver Schinagl Subject: Re: [PATCH 05/14] dt-bindings: mfd: axp20x: add support for regulator-ramp-delay for AXP209 Message-ID: <20181128092841.GY4272@dell> References: <4333f81dfa1d9be082b09ab9ddf2694cb56285e2.1543245984.git-series.plaes@plaes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4333f81dfa1d9be082b09ab9ddf2694cb56285e2.1543245984.git-series.plaes@plaes.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 26 Nov 2018, Priit Laes wrote: > From: Olliver Schinagl > > The AXP209 supports ramping up voltages on several regulators such as > DCDC2 and LDO3, therefore we can use the standard 'regulator-ramp-delay' > property for those 2 regulators. > > Note that the voltage ramp only works when the regulator is already > enabled. E.g. when going from say 0.7 V to 3.6 V. > > When turning on the regulator, no voltage ramp is performed in hardware. > > What this means, is that if the bootloader brings up the voltage at 0.7 V, > the ramp delay property is properly applied. If however, the bootloader > leaves the power off, no ramp delay is applied when the power is > enabled by the regulator framework. > > Signed-off-by: Olliver Schinagl > Signed-off-by: Priit Laes > --- > Documentation/devicetree/bindings/mfd/axp20x.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt > index 188f037..5542212 100644 > --- a/Documentation/devicetree/bindings/mfd/axp20x.txt > +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt > @@ -32,6 +32,11 @@ Required properties: > - interrupt-controller: The PMIC has its own internal IRQs > - #interrupt-cells: Should be set to 1 > > +Supported common regulator properties, see regulator.txt for more information: regulator.txt should be a relative path. ../regulator/regulator.txt in this case. Once changed, please apply my: For my own reference: Acked-for-MFD-by: Lee Jones -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog