From patchwork Thu Apr 21 15:56:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vijaya Krishna Nivarthi X-Patchwork-Id: 564468 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 6CB2DC43217 for ; Thu, 21 Apr 2022 15:56:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1390378AbiDUP72 (ORCPT ); Thu, 21 Apr 2022 11:59:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1390351AbiDUP7S (ORCPT ); Thu, 21 Apr 2022 11:59:18 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 684E440E76; Thu, 21 Apr 2022 08:56:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1650556588; x=1682092588; h=from:to:cc:subject:date:message-id; bh=yAuVAqWxYWEe5NqjErVFK/4t+1iFYT/C7MQ8E9+btfM=; b=LZ9hXAnqLnERd82S/y6+/QrxxkLi+Seo+CbZ1fsc3geGGw5E2ZTSYNua 9+7AsiQ6hfO1wV9LUrSiu2caD9vMk5Hl6Jo9rEdEMAbt4EPKqM5zzvqFo Aj4vqJFAzq44vjkgv6ppVjnSw1wVRM4QY8UrH2Il0yLtBneIs+YOqy4bs g=; Received: from ironmsg09-lv.qualcomm.com ([10.47.202.153]) by alexa-out.qualcomm.com with ESMTP; 21 Apr 2022 08:56:28 -0700 X-QCInternal: smtphost Received: from ironmsg02-blr.qualcomm.com ([10.86.208.131]) by ironmsg09-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 21 Apr 2022 08:56:27 -0700 X-QCInternal: smtphost Received: from hu-vnivarth-hyd.qualcomm.com (HELO hu-sgudaval-hyd.qualcomm.com) ([10.213.111.166]) by ironmsg02-blr.qualcomm.com with ESMTP; 21 Apr 2022 21:26:12 +0530 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 3994820) id 9DC983C77; Thu, 21 Apr 2022 21:26:10 +0530 (+0530) From: Vijaya Krishna Nivarthi To: agross@kernel.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: quic_msavaliy@quicinc.com, dianders@chromium.org, Vijaya Krishna Nivarthi Subject: [V6 0/2] arm64: dts: qcom: Configure CTS pin to bias-bus-hold for bluetooth Date: Thu, 21 Apr 2022 21:26:05 +0530 Message-Id: <1650556567-4995-1-git-send-email-quic_vnivarth@quicinc.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org WLAN rail was leaking power during RBSC/sleep even after turning BT off. Change pinctrl configuration to handle same. Signed-off-by: Vijaya Krishna Nivarthi --- v6: add code comments about how bias-bus-hold could save power v5: modify subject to include bluetooth v4: modify subject of each patch to indicate what it is applying to v3: apply same change to active state and other sc7280*.dts* as well v2: used bias-bus-hold as per review comments v1: intial patch used bias-disable for sleep pinctrl in sc7280-idp only --- Vijaya Krishna Nivarthi (2): arm64: dts: qcom: sc7280-idp: Configure CTS pin to bias-bus-hold for bluetooth arm64: dts: qcom: sc7280-qcard: Configure CTS pin to bias-bus-hold for bluetooth arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 18 ++++++++++++------ arch/arm64/boot/dts/qcom/sc7280-qcard.dtsi | 19 ++++++++++++++----- 2 files changed, 26 insertions(+), 11 deletions(-)