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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E4EFC77B61 for ; Mon, 10 Apr 2023 16:53:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230109AbjDJQxp (ORCPT ); Mon, 10 Apr 2023 12:53:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229644AbjDJQxo (ORCPT ); Mon, 10 Apr 2023 12:53:44 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D30DC1BE4 for ; Mon, 10 Apr 2023 09:53:43 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id o2so5138037plg.4 for ; Mon, 10 Apr 2023 09:53:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1681145623; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=VUs8qvDtaf7ZBDlIEwUt44wmVnmA5oBf//qowI3Zbts=; b=ehDwR1yk4HEmKtfgwHQXOLy7/7qx60vBX/9yiQ7/hI11NetSEzOI6BUxbfkgMwT197 d9/ojWTSGpJ9/s6jl6sqe/IpvmrOuF9qEovlHp/7ImZuTvlK4LdY/kDLIisBF5mO7kUg nJiNF4cGWMzAY126ffQobrfzV9DFyvgaF1C32JmGj++FvPun+lS2s3v7HM6yN8ucBUnb lyiYRSrTpuzC41ijnBhj7kDdLUKLQIh4IOXCJCIkHo3VsGiIgOmxovJdBPpMjXtErAMr 9Fvb2JFObJZnXV4I/qx8CetcXrK/AkJOtX1KjVdZ4VzNRazRQ0/nBZqOdbUSa2TsTYd+ fTrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1681145623; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=VUs8qvDtaf7ZBDlIEwUt44wmVnmA5oBf//qowI3Zbts=; b=tog4N/UsdgvRxH1mjHLOIHAmJMbYJKCHZ0SWb3SLHht/ne+zHwxAUVAvH6ehLnO3Fw IhuLNgDFmKFbYF8YRO1a+LRTIa48wGCMBvCZWuq6CSkzR4FJ3XKqaAA9WG/Apucs3Btn atpEcGW6b4PgvaW1+K5cDpGnFmxwNMhn6EEm8oTQiIsRc+ItOOE9R8OM5u5QtsyKC/Eo Z84GtTD/KTEo++/Q4P9DE6ppL1IpRwoIMmNCMBL+JEWzGOkF0MXGulxsFpMBXXw2WNVZ RnF1f7rw/xledpwh6zfU7nYhl8SkD9bMVI288SCIfqKdNXvgygUorlr1UO+yuqS9WH8K OASQ== X-Gm-Message-State: AAQBX9ckKNNOrRbqv3ETnrvgeJQIgo77vYsZCccmElb57X+TvUVSebHl VK5QL0IFKf0vqNtkUc0iVbOI0A== X-Google-Smtp-Source: AKy350beelFxzYJXCGxplXPyrEZkuiNOkyIyeUW8MVkQe/6A4BwDve1be2LzuhrhOiGC23kS1va4/Q== X-Received: by 2002:a17:902:e803:b0:1a0:6a47:184e with SMTP id u3-20020a170902e80300b001a06a47184emr14588984plg.42.1681145623328; Mon, 10 Apr 2023 09:53:43 -0700 (PDT) Received: from ?IPV6:2401:4900:1c60:6a11:8ba1:beba:def7:a4ae? ([2401:4900:1c60:6a11:8ba1:beba:def7:a4ae]) by smtp.gmail.com with ESMTPSA id bj12-20020a170902850c00b0019f2a7f4d16sm8063831plb.39.2023.04.10.09.53.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 10 Apr 2023 09:53:42 -0700 (PDT) Message-ID: <75f14a71-9d2f-f9f1-43db-472d7bbc317c@linaro.org> Date: Mon, 10 Apr 2023 22:23:37 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: Add base qrb4210-rb2 board dts To: Konrad Dybcio , Bjorn Andersson Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, agross@kernel.org, linux-kernel@vger.kernel.org, bhupesh.linux@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski@linaro.org References: <20230315210145.2221116-1-bhupesh.sharma@linaro.org> <20230315210145.2221116-3-bhupesh.sharma@linaro.org> <20230315223604.ofy7vm3bpccf5aul@ripper> <79731f2a-83e5-1e35-d450-456492cc5df2@linaro.org> Content-Language: en-US From: Bhupesh Sharma In-Reply-To: <79731f2a-83e5-1e35-d450-456492cc5df2@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 3/16/23 5:22 AM, Konrad Dybcio wrote: > > > On 15.03.2023 23:36, Bjorn Andersson wrote: >> On Thu, Mar 16, 2023 at 02:31:45AM +0530, Bhupesh Sharma wrote: >>> Add DTS for Qualcomm qrb4210-rb2 board which uses SM4250 SoC. >>> >>> This adds debug uart, emmc, uSD and tlmm support along with >>> regulators found on this board. >>> >>> Also defines the 'xo_board' and 'sleep_clk' frequencies for >>> this board. >>> >>> Signed-off-by: Bhupesh Sharma >>> --- > [...] > >>> + vmmc-supply = <&vreg_l24a_2p96>; >> >> Is there any reason why this platform doesn't require the vmmc supply to >> be driven to HPM? This has traditionally been coming back biting us >> through some stability issues later. > Do we even support HPM/LPM on SMD RPM? I couldn't find any relevant documentation to say the same (HPM/LPM support on SMD RPM?). So, I would suggest that we stick to the approach used in this patch for now. @Bjorn, please let me know in case of any concerns. Thanks, Bhupesh