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[2620:137:e000::1:20]) by mx.google.com with ESMTP id r36-20020a05683044a400b006ac931c5095si4201512otv.63.2023.05.14.06.06.42; Sun, 14 May 2023 06:07:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=nmeYN29n; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233648AbjENNAI (ORCPT + 99 others); Sun, 14 May 2023 09:00:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230496AbjENNAE (ORCPT ); Sun, 14 May 2023 09:00:04 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F9351BF6; Sun, 14 May 2023 06:00:03 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2118160C52; Sun, 14 May 2023 13:00:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D71E0C433D2; Sun, 14 May 2023 12:59:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684069202; bh=CbrJy/Ijqi82NhC+AkKPoENaVTukFKVJIDC9dx6RRX4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nmeYN29nPYO9jhGKgvmLJ2YX+HY+PuiS+D/PYWJH471tOgJrPDzggvHId39E1OwxY MrMF/h47GfNl3mI8EsfjCNafHSk7WA4B6kN94vvR/5bBR6Q7S6m5SeeoYRMK6W//5M bEaIQDcmkc+uIgRCZcJ28aquV6IAk46+Pkpl7o7Y/dTJpff6DoFvt+3Aml/9pLFIKq oU1NbvzXXKZrJWPUk+6K6rcYW3/tpst6LSrBYjBGxKgEFnbxmD+LoQt2MxubWdVbWf bgLZydc2iUpvqD/kyZDFHwEefp4kBL1MjK4Lnkb/dMRJ2943jIMTZ1wePcU3s6TFIL bubjXy9rGXJoA== Date: Sun, 14 May 2023 20:59:46 +0800 From: Shawn Guo To: Christoph Niedermaier Cc: linux-arm-kernel@lists.infradead.org, Rob Herring , Krzysztof Kozlowski , Li Yang , Marek Vasut , Fabio Estevam , NXP Linux Team , kernel@dh-electronics.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ARM: dts: imx6ull-dhcor: Set and limit the mode for PMIC buck 1, 2 and 3 Message-ID: <20230514125946.GV727834@dragon> References: <20230502111424.3114-1-cniedermaier@dh-electronics.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230502111424.3114-1-cniedermaier@dh-electronics.com> X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 02, 2023 at 01:14:24PM +0200, Christoph Niedermaier wrote: > According to Renesas Electronics (formerly Dialog Semiconductor), the > standard AUTO mode of the PMIC DA9061 can lead to stability problems > depending on the hardware revision. It is recommended to set a defined > mode such as PFM or PWM permanently. So set and limit the mode for > buck 1, 2 and 3 to a fixed one. > > Fixes: 611b6c891e40 ("ARM: dts: imx6ull-dhcom: Add DH electronics DHCOM i.MX6ULL SoM and PDK2 board") > > Signed-off-by: Christoph Niedermaier > Reviewed-by: Marek Vasut Applied, thanks!