From patchwork Thu Mar 12 12:08:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 11434069 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 95BE692A for ; Thu, 12 Mar 2020 12:09:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76F4620716 for ; Thu, 12 Mar 2020 12:09:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="bZlTnTIJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727225AbgCLMJX (ORCPT ); Thu, 12 Mar 2020 08:09:23 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:19310 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726395AbgCLMJX (ORCPT ); Thu, 12 Mar 2020 08:09:23 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1584014962; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=umGZGFL4qp52J66jwxF+28mH5ECHDRhlkfexyszpxZ8=; b=bZlTnTIJDgIrgH3Tim6jKZj82Z4mVmQMRQ4Azq9qUeXv+hsYdeZkE7ozHfhwOK3ucY5zM/G+ WwyMviT3tpNFoQBybJlgb4GnFyQh1OOTiejVrelqUBPtxHBuHUU0m3lEgTZycBz1oaF5/2Gt JPcjieHr3xs5C+4a9XlPcycdgKk= X-Mailgun-Sending-Ip: 104.130.122.27 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 mxa.mailgun.org with ESMTP id 5e6a2662.7fdbaa4d1d88-smtp-out-n01; Thu, 12 Mar 2020 12:09:06 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 1EC3EC43636; Thu, 12 Mar 2020 12:09:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 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 C4BBFC433D2; Thu, 12 Mar 2020 12:09:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C4BBFC433D2 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=none smtp.mailfrom=sibis@codeaurora.org From: Sibi Sankar To: bjorn.andersson@linaro.org, srinivas.kandagatla@linaro.org Cc: agross@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, tsoni@codeaurora.org, vnkgutta@codeaurora.org, Sibi Sankar , Rob Herring Subject: [PATCH v7 2/3] dt-bindings: soc: qcom: apr: Add protection domain bindings Date: Thu, 12 Mar 2020 17:38:41 +0530 Message-Id: <20200312120842.21991-3-sibis@codeaurora.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200312120842.21991-1-sibis@codeaurora.org> References: <20200312120842.21991-1-sibis@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Qualcomm SoCs (starting with MSM8998) allow for multiple protection domains (PDs) to run on the same Q6 sub-system. This allows for services like AVS AUDIO to have their own separate address space and crash/recover without disrupting the other PDs running on the same Q6 ADSP. Add "qcom,protection-domain" bindings to capture the dependencies between the APR service and the PD on which the apr service runs. Reviewed-by: Bjorn Andersson Reviewed-by: Rob Herring Signed-off-by: Sibi Sankar --- V7: * No change V6: * Picked up Rob's R-b .../devicetree/bindings/soc/qcom/qcom,apr.txt | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt index db501269f47b8..f8fa71f5d84ba 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt @@ -45,6 +45,18 @@ by the individual bindings for the specific service 12 - Ultrasound stream manager. 13 - Listen stream manager. +- qcom,protection-domain + Usage: optional + Value type: + Definition: Must list the protection domain service name and path + that the particular apr service has a dependency on. + Possible values are : + "avs/audio", "msm/adsp/audio_pd". + "kernel/elf_loader", "msm/modem/wlan_pd". + "tms/servreg", "msm/adsp/audio_pd". + "tms/servreg", "msm/modem/wlan_pd". + "tms/servreg", "msm/slpi/sensor_pd". + = EXAMPLE The following example represents a QDSP based sound card on a MSM8996 device which uses apr as communication between Apps and QDSP. @@ -82,3 +94,41 @@ which uses apr as communication between Apps and QDSP. ... }; }; + += EXAMPLE 2 +The following example represents a QDSP based sound card with protection domain +dependencies specified. Here some of the apr services are dependent on services +running on protection domain hosted on ADSP/SLPI remote processors while others +have no such dependency. + + apr { + compatible = "qcom,apr-v2"; + qcom,glink-channels = "apr_audio_svc"; + qcom,apr-domain = ; + + q6core { + compatible = "qcom,q6core"; + reg = ; + }; + + q6afe: q6afe { + compatible = "qcom,q6afe"; + reg = ; + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; + ... + }; + + q6asm: q6asm { + compatible = "qcom,q6asm"; + reg = ; + qcom,protection-domain = "tms/servreg", "msm/slpi/sensor_pd"; + ... + }; + + q6adm: q6adm { + compatible = "qcom,q6adm"; + reg = ; + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd"; + ... + }; + };