From nobody Mon May 11 07:06:17 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 47EBAC433EF for ; Mon, 11 Apr 2022 21:14:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350141AbiDKVQa (ORCPT ); Mon, 11 Apr 2022 17:16:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243237AbiDKVQU (ORCPT ); Mon, 11 Apr 2022 17:16:20 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 588EBDF7 for ; Mon, 11 Apr 2022 14:14:03 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id bg24so3986605pjb.1 for ; Mon, 11 Apr 2022 14:14:03 -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=4LQ/8VtR++pOTKS99I5nITVdUZ5toGmL4DHfcAO4/LM=; b=U+bo3SZsL14bvWcPVBQY+xLk7xbTI3Otdr/nLKHIXOUdLYzyVRDKJTKZ8B+XPKkLzL +qaEnaL6OHMFQ7jSqesVMq13V4uLsEUQxd1XFVXlWoVF+fFzAg2gCCsrs9tHnkU9fWBv eoU0KYaeaa1EGdGlzF2mxbohqlc3x70eICS/E= 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=4LQ/8VtR++pOTKS99I5nITVdUZ5toGmL4DHfcAO4/LM=; b=w+yRgrdVQR6kCDP7yBbvKuwR/QUwC2amDi5Uy1bmHV2xKbWb3McvRCjyWOZSJAxD4P lz358U4mWx9DxCzF+vwZUp9NdgAW3ZjKDAskUgy9nFgcefQqSgzaz2i5SiaKHmTiDSFK GTjYVrLR9Su68j/J4D9HCPOTe6o9sqWY2Aqm1BU/kHQdOjHK2EVBevfuKLJ23InKjfA8 0wSkDF6juTelJ7rgxC1WoKXqyDKMk+GNYa8LTy1wSbd+z1JWVxhUekEfxPVQNIOsAMaP zlGYkystc4RTEmFbpzExx4X+OCM6NF//YTN8tIxQS7mZXQsL8vDRazFMPZhzD3aIVvfY WLWg== X-Gm-Message-State: AOAM531Qfxa+Ua+WIIPEo6osorCJiMLezsGNxIDAjr3NLBB9DxPDzt+o Nwa8Sg3E1Cr0Pa0TRS7nl58hlrzX8sLSJzicpME= X-Google-Smtp-Source: ABdhPJxrgWI77cr1NsJ2EfQIA7LONQNga1X6frY82M6wZw/cWAvTjul1d0YLqjbaG0QteyWU9TtQSA== X-Received: by 2002:a17:90b:380e:b0:1c7:74f6:ae60 with SMTP id mq14-20020a17090b380e00b001c774f6ae60mr1179619pjb.5.1649711643388; Mon, 11 Apr 2022 14:14:03 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:201:3b2:2da6:38d1:3ff]) by smtp.gmail.com with ESMTPSA id p10-20020a056a0026ca00b004fb266fb186sm36841341pfw.73.2022.04.11.14.14.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Apr 2022 14:14:02 -0700 (PDT) From: Douglas Anderson To: Bjorn Andersson Cc: Matthias Kaehlcke , Stephen Boyd , Judy Hsiao , Douglas Anderson , Andy Gross , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] arm64: dts: qcom: sc7280-herobrine: Audio codec wants 1.8V, not 1.62V Date: Mon, 11 Apr 2022 14:13:39 -0700 Message-Id: <20220411141332.v2.1.I9f06fec63b978699fe62591fec9e5ac31bb3a69d@changeid> X-Mailer: git-send-email 2.35.1.1178.g4f1659d476-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 --- Changes in v2: - Adjust Qcard regulator override section heading arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi b/arch/arm64/bo= ot/dts/qcom/sc7280-herobrine.dtsi index 10de5e104b4f..d58045dd7334 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi @@ -308,7 +308,10 @@ keyboard_backlight: keyboard-backlight { }; =20 /* - * BOARD-LOCAL NAMES FOR REGULATORS THAT CONNECT TO QCARD + * ADJUSTMENTS TO QCARD REGULATORS + * + * Mostly this is just board-local names for regulators that come from + * Qcard, but this also has some minor regulator overrides. * * Names are only listed here if regulators go somewhere other than a * testpoint. @@ -352,6 +355,16 @@ 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_sar_sensor_i2c: &i2c1 { --=20 2.35.1.1178.g4f1659d476-goog