From nobody Sat Jun 20 01:02:34 2026 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 DFC5CC433FE for ; Fri, 25 Mar 2022 15:17:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376404AbiCYPRv (ORCPT ); Fri, 25 Mar 2022 11:17:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377375AbiCYPOQ (ORCPT ); Fri, 25 Mar 2022 11:14:16 -0400 Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D587E652D7 for ; Fri, 25 Mar 2022 08:11:50 -0700 (PDT) Received: by mail-pg1-x533.google.com with SMTP id o13so6660728pgc.12 for ; Fri, 25 Mar 2022 08:11:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=AA0RIphE1PJLLtUanm5oTog2K49TCs//CGuoWg4e8Hs=; b=hzanffi7zrkFiMc7YDN8omOPXMSW+M0ZOEfvqWuXPxCrcNdflUTtNYfzG6eR5hMpsr CWFF/nfWfOH0KtxqtX+80udGtxAKFMABFLKwqvI+U1QD2fFIYpTf3QyyKOQ8SSJilGmI 0x/CLU0IR8aNmQdf2uzRTG/1wjrnmeaeG7eBg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=AA0RIphE1PJLLtUanm5oTog2K49TCs//CGuoWg4e8Hs=; b=bGZFIa7zLF56WEmcKKvNj5x26yfXbOhGvXOXoDL0+G9HP7/SXBgaVDi3+VKZFpcLf9 HmolKqTN03u/t4MX9+H3anpqyVHfBUx+gmVLB0zuyjL9vd01MgM6csNZVSTmhExZ8VU7 vKYYT0iTsJMurPc1mpaRaO9pjSf/DWy9aMIZzuyt0d4KJAJT4EMElyt3xQ8HXtnWiKSq mzhScIu3fm3D+Hp/XLJLWQIaJgFiawjhQQ+3q/E/1cYht+3Wjh1oesCdf48XFWh8pcnN 7FTdJ5qDjcKCRMKiRBStoJBQnnO2tPwYpmugxOlgK5vLeoDP6H6XEzefr/ymJB+7MCpj P1/w== X-Gm-Message-State: AOAM5318rQdPmRbnBAsWcSoXv1rHc6Ql0G84gSM0hYveCamMaaZaWYru Ud3flP1IJd1zdaN6FJvT//aDfw== X-Google-Smtp-Source: ABdhPJz3TexA8bi1jVv6urswawRRrftx4duACSg9G5izC8NbIevfzzjsI+39mHC+vogvBFcZz2ffvg== X-Received: by 2002:a05:6a00:9a7:b0:4fa:ebe8:a4b3 with SMTP id u39-20020a056a0009a700b004faebe8a4b3mr9621244pfg.11.1648221110411; Fri, 25 Mar 2022 08:11:50 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:201:c95f:cacc:f8c:e361]) by smtp.gmail.com with ESMTPSA id o15-20020a17090a168f00b001bf66741097sm6399479pja.16.2022.03.25.08.11.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Mar 2022 08:11:49 -0700 (PDT) From: Douglas Anderson To: Bjorn Andersson Cc: Matthias Kaehlcke , Stephen Boyd , Judy Hsiao , Douglas Anderson , Andy Gross , Rob Herring , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] arm64: dts: qcom: sc7280-herobrine: Audio codec wants 1.8V, not 1.62V Date: Fri, 25 Mar 2022 08:11:05 -0700 Message-Id: <20220325081100.1.I9f06fec63b978699fe62591fec9e5ac31bb3a69d@changeid> X-Mailer: git-send-email 2.35.1.1021.g381101b075-goog MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The L2C rail on herobrine boards is intended to go to the audio codec. Let's override the 1.62V specified in the qcard.dtsi file to be 1.8V. Signed-off-by: Douglas Anderson Reviewed-by: Stephen Boyd --- arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi b/arch/arm64/bo= ot/dts/qcom/sc7280-herobrine.dtsi index dc17f2079695..c2075f3e7c4b 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi @@ -339,6 +339,16 @@ keyboard_backlight: keyboard-backlight { ts_avdd: &pp3300_left_in_mlb {}; vreg_edp_3p3: &pp3300_left_in_mlb {}; =20 +/* Regulator overrides from Qcard */ + +/* + * Herobrine boards only use l2c to power an external audio codec (like + * alc5682) and we want that to be at 1.8V, not at some slightly lower vol= tage. + */ +&vreg_l2c_1p8 { + regulator-min-microvolt =3D <1800000>; +}; + /* ADDITIONS TO NODES DEFINED IN PARENT DEVICE TREE FILES */ =20 ap_i2c_tpm: &i2c14 { --=20 2.35.1.1021.g381101b075-goog