Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp1882091rwd; Fri, 9 Jun 2023 03:43:19 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ5/Tc3VtzkVXHeGTEsPLbtdB2chTA4W3F8EX6cavrXDKziywJrEPcZNXCEZUffeN00PrSPw X-Received: by 2002:a05:6a20:96c6:b0:10a:cb95:5aa3 with SMTP id hq6-20020a056a2096c600b0010acb955aa3mr980180pzc.7.1686307398737; Fri, 09 Jun 2023 03:43:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1686307398; cv=none; d=google.com; s=arc-20160816; b=IhIoSBRR/vN9jGy0hX5EqdZw1WpGC9t0DZyj3Bj/d3wq/ElPO5S/ZxzVmpa9YgvjwG PyEYORHOiS4BWfvC271IyKXzHsDl0/U/oX0XL/zMhPkROVwHcvdc3ve+NKzOlRZWVsRO 3QWicHX2p9jN8N0PKIxUR7HZ+jvDxacLkQtv2IfyKSfmVHv3DhbLauUJcwKAQhPVWAhY c/TJZCTTx551ctePKoZT8v+8dfs/oliML0WStu3RjAdObfcfqH0ErwkjPeodysqaqzkk kJRXWnaQj8Dw0enZEv8GIE323J+0TGIeqNSuEdgClzE6PD0KUn3DOzMDXlttWHGdaj41 Bo1Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id:dkim-signature; bh=g0L12ABhb71pMMN8t+6urslNosWA6c405IXpy2WZt+o=; b=MdQuXE5P09cP0h7WdxOGCIIlMucKW5JZ8klMV4O9wlHnQKP/Vy3/HjgHsXopygjpfa HFyWQuGgosfgtmwj3VDb1G0A8cSXEqgadDMwb7WysaPbwQJaXgXAXbNrzxrffDdj/Cwv PodAZNEcNbnVT2O/7lzGbinyn7qhbsef/w5V3PpBsa+nxGhjaKroVTnxTBoNtGwlXa8I p+z3+TVEJIwE3edk4C82U0NOXubUrQTGOJ9+Lem5uR2IbhzRCqO92JYbadgC9+qHTNzm cEdgLEhmQECnElILwOJbEnrrRSO/oIARpgETVPRlzg/uf8YF3tRxU5PfI5MBsv2JnlNr Gfqg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=bAnPi8rY; 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=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id z70-20020a633349000000b00534dbd0d219si2570643pgz.301.2023.06.09.03.43.06; Fri, 09 Jun 2023 03:43:18 -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=@collabora.com header.s=mail header.b=bAnPi8rY; 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=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241324AbjFIKOZ (ORCPT + 99 others); Fri, 9 Jun 2023 06:14:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238737AbjFIKNo (ORCPT ); Fri, 9 Jun 2023 06:13:44 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93854449C; Fri, 9 Jun 2023 03:03:34 -0700 (PDT) Received: from [IPV6:2001:b07:2ed:14ed:a962:cd4d:a84:1eab] (unknown [IPv6:2001:b07:2ed:14ed:a962:cd4d:a84:1eab]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 976646606F2A; Fri, 9 Jun 2023 11:03:32 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1686305013; bh=khZyG/R8U1t7JEcowzVSPSrEZtbLOgq9/SS+pXH+uAE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=bAnPi8rYRzm0Ov9Y6DWS8snsDPf0Qahbsn674loqZ2n0U4SBUppDPGuTV90PM9hrF 0SiX2kE8I1Y9jNEWll3wnk0Or5NK5tIMOTAERHl/dtdQ17U9iBVJ8nkD3pqQuCUkeI gz5le12kx1WV0FQus/OP/VUFeTUL+TApa7ATkerY2XtmztGY9WFCrI3XARfR94MZcO AL1487JBw8tHFdAMN5JVSji487xbbvcN8wogMNuAbWOgBFHPXtWdAJPlQwNq7RW3Vt uxCDFBhyL2kagMwXCJSQ0gKZ4BtV/HIxxjET/5ztrRX2HA+7hIYiLqk9/HOYm9TbLx 1pXoJC51DPSFw== Message-ID: <4c22be0f-7368-1a49-d5fe-a6e1c27bd662@collabora.com> Date: Fri, 9 Jun 2023 12:03:30 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [PATCH 7/9] regulator: mt6358: Add output voltage fine tuning to fixed regulators Content-Language: en-US To: Chen-Yu Tsai , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Brown , Liam Girdwood , Matthias Brugger Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org References: <20230609083009.2822259-1-wenst@chromium.org> <20230609083009.2822259-8-wenst@chromium.org> From: AngeloGioacchino Del Regno In-Reply-To: <20230609083009.2822259-8-wenst@chromium.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED 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 Il 09/06/23 10:30, Chen-Yu Tsai ha scritto: > The "fixed" LDO regulators found on the MT6358 and MT6366 PMICs have > either no voltage selection register, or only one valid setting. > However these do have a fine voltage calibration setting that can > slightly boost the output voltage from 0 mV to 100 mV, in 10 mV > increments. > > Add support for this by changing these into linear range regulators. > > Signed-off-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno