From patchwork Fri Nov 18 18:22:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Melody Olvera X-Patchwork-Id: 13048589 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 C0E6AC43219 for ; Fri, 18 Nov 2022 18:23:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242711AbiKRSXm (ORCPT ); Fri, 18 Nov 2022 13:23:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242713AbiKRSXD (ORCPT ); Fri, 18 Nov 2022 13:23:03 -0500 Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62928976E8; Fri, 18 Nov 2022 10:22:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1668795777; x=1700331777; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qak47M4u6T8kHiYXWecTuKzaOl0IZojjbcoprnvHzZc=; b=J+bRXUIjbW0qQWNTXz6Iv0eHrYl+wxDuTh8uraAKRgv26i9zWsxxcGXz sso6moYAAOUmb6+BvATo5q3gh10udkngrVgtc8Xarpgypyc6VCtX9xBvr bJNz1+N0xY5AweHluu3vqujyd5UDP3Ms1ubkR085cFn56tMU2DDxCL+v2 Q=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-01.qualcomm.com with ESMTP; 18 Nov 2022 10:22:57 -0800 X-QCInternal: smtphost Received: from nasanex01b.na.qualcomm.com ([10.46.141.250]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Nov 2022 10:22:57 -0800 Received: from hu-molvera-sd.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Fri, 18 Nov 2022 10:22:56 -0800 From: Melody Olvera To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Georgi Djakov , Rob Herring , Krzysztof Kozlowski CC: Odelu Kukatla , , , , , Melody Olvera Subject: [PATCH v4 1/3] dt-bindings: interconnect: Add rpmh virt devices Date: Fri, 18 Nov 2022 10:22:43 -0800 Message-ID: <20221118182245.31035-2-quic_molvera@quicinc.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221118182245.31035-1-quic_molvera@quicinc.com> References: <20221118182245.31035-1-quic_molvera@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01b.na.qualcomm.com (10.46.141.250) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add documentation for virtual rpmh devices. These interconnects are not controlled by the application processor and thus require separate bindings. Also, move compatibles for sm8450 to this document and add them for QDU1000/QRU1000 platforms. Signed-off-by: Melody Olvera --- .../bindings/interconnect/qcom,rpmh-virt.yaml | 55 +++++++++++++++++++ .../bindings/interconnect/qcom,rpmh.yaml | 2 - 2 files changed, 55 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml new file mode 100644 index 000000000000..5cbaa51df863 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,rpmh-virt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm RPMh Virtual Network-On-Chip Interconnect + +maintainers: + - Georgi Djakov + - Odelu Kukatla + +description: | + RPMh interconnect providers support system bandwidth requirements through + RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is + able to communicate with the BCM through the Resource State Coordinator (RSC) + associated with each execution environment. Provider nodes must point to at + least one RPMh device child node pertaining to their RSC and each provider + can map to multiple RPMh resources. Virtual interconnect providers are not + controlled by AP and do not support QoS; they should not have associated + register regions. + +allOf: + - $ref: qcom,rpmh-common.yaml# + +properties: + compatible: + enum: + - qcom,qdu1000-clk-virt + - qcom,qdu1000-mc-virt + - qcom,sm8450-clk-virt + - qcom,sm8450-mc-virt + + '#interconnect-cells': true + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include + + clk_virt: interconnect-0 { + compatible = "qcom,sm8450-clk-virt"; + #interconnect-cells = <2>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + mc_virt: interconnect-1 { + compatible = "qcom,sm8450-mc-virt"; + #interconnect-cells = <2>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml index a429a1ed1006..bd474f49deb0 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml @@ -123,11 +123,9 @@ properties: - qcom,sm8350-system-noc - qcom,sm8450-aggre1-noc - qcom,sm8450-aggre2-noc - - qcom,sm8450-clk-virt - qcom,sm8450-config-noc - qcom,sm8450-gem-noc - qcom,sm8450-lpass-ag-noc - - qcom,sm8450-mc-virt - qcom,sm8450-mmss-noc - qcom,sm8450-nsp-noc - qcom,sm8450-pcie-anoc