From patchwork Thu Jun 24 18:51:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 12342919 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2CD26C49EB7 for ; Thu, 24 Jun 2021 18:53:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 16CEF613DC for ; Thu, 24 Jun 2021 18:53:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232614AbhFXSzW (ORCPT ); Thu, 24 Jun 2021 14:55:22 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:60201 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232537AbhFXSzW (ORCPT ); Thu, 24 Jun 2021 14:55:22 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1624560783; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=Pjzw7igBgSNjiF2WffIB2RSLUSj5IKEOn76VwfzcJ38=; b=lyItM7JqMA5Vj9nb8QRiRuH1heEnLC28HEQLTfPekGOMcEoM1gJRMpBCe3U12Z1pJiGGHKEi xCdS+1cKlceDCnqFpo1AdX532hs2JK8Nnf3dx4EyNbevTJ6NQkw+ngFm43H1ItuiKz+3aeqe ktItbXmaa3efiOXhn41Xq3C8LSQ= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-east-1.postgun.com with SMTP id 60d4d48019389419554a5678 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 24 Jun 2021 18:52:48 GMT Sender: sibis=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id C1C70C433F1; Thu, 24 Jun 2021 18:52:47 +0000 (UTC) Received: from blr-ubuntu-87.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sibis) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6742DC43217; Thu, 24 Jun 2021 18:52:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6742DC43217 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=sibis@codeaurora.org From: Sibi Sankar To: bjorn.andersson@linaro.org, robh+dt@kernel.org, swboyd@chromium.org Cc: ulf.hansson@linaro.org, rjw@rjwysocki.net, agross@kernel.org, ohad@wizery.com, mathieu.poirier@linaro.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dianders@chromium.org, rishabhb@codeaurora.org, sidgup@codeaurora.org, Sibi Sankar Subject: [PATCH v3 01/13] dt-bindings: soc: qcom: aoss: Drop power-domain bindings Date: Fri, 25 Jun 2021 00:21:55 +0530 Message-Id: <1624560727-6870-2-git-send-email-sibis@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1624560727-6870-1-git-send-email-sibis@codeaurora.org> References: <1624560727-6870-1-git-send-email-sibis@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The power-domains exposed by AOSS QMP node are used to notify the Always on Subsystem (AOSS) that a particular co-processor is up/down. These co-processors enter low-power modes independent to that of the application processor and their states are expected to remain unaltered across system suspend/resume cycles. To achieve this behavior let's drop the power-domain bindings and replace them with generic qmp_send interface instead. Signed-off-by: Sibi Sankar Reviewed-by: Stephen Boyd Acked-by: Rob Herring Reviewed-by: Matthias Kaehlcke --- .../devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt index 783dc81b0f26..c0ae051a5b76 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt @@ -9,8 +9,7 @@ Messaging Protocol (QMP) The AOSS side channel exposes control over a set of resources, used to control a set of debug related clocks and to affect the low power state of resources -related to the secondary subsystems. These resources are exposed as a set of -power-domains. +related to the secondary subsystems. - compatible: Usage: required @@ -46,14 +45,6 @@ power-domains. Definition: must be 0 The single clock represents the QDSS clock. -- #power-domain-cells: - Usage: optional - Value type: - Definition: must be 1 - The provided power-domains are: - CDSP state (0), LPASS state (1), modem state (2), SLPI - state (3), SPSS state (4) and Venus state (5). - = SUBNODES The AOSS side channel also provides the controls for three cooling devices, these are expressed as subnodes of the QMP node. The name of the node is used @@ -66,8 +57,7 @@ to identify the resource and must therefor be "cx", "mx" or "ebi". = EXAMPLE -The following example represents the AOSS side-channel message RAM and the -mechanism exposing the power-domains, as found in SDM845. +The following example represents the AOSS side-channel message RAM as found in SDM845. aoss_qmp: qmp@c300000 { compatible = "qcom,sdm845-aoss-qmp"; @@ -75,8 +65,6 @@ mechanism exposing the power-domains, as found in SDM845. interrupts = ; mboxes = <&apss_shared 0>; - #power-domain-cells = <1>; - cx_cdev: cx { #cooling-cells = <2>; };