From patchwork Sun Feb 9 18:34:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 11372221 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 8202F109A for ; Sun, 9 Feb 2020 18:34:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F5892081E for ; Sun, 9 Feb 2020 18:34:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="PN69v0S5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727798AbgBISeo (ORCPT ); Sun, 9 Feb 2020 13:34:44 -0500 Received: from mail25.static.mailgun.info ([104.130.122.25]:36016 "EHLO mail25.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727916AbgBISen (ORCPT ); Sun, 9 Feb 2020 13:34:43 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1581273283; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=+1DKsfHKqf3VdpYQ4VsopZ1BmdGLhw90hpkP2xTJYT8=; b=PN69v0S53jYjb8prVM5dvoDm86TQ96bi7p54BW9ofjRhOE6MP2acMuKoVjdg/gzt3DLuTpCe 9b77/3C3tepGpm5knLHuXR3MTt508mKA2UKDI3P05rzrm2nRQjHncJVQKfxyk/Tshd1hQ/Pn wEw00IXy0RC3QPlUVtdd55GT0i0= X-Mailgun-Sending-Ip: 104.130.122.25 X-Mailgun-Sid: WyI5ZDFmMiIsICJsaW51eC1wbUB2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= 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 5e4050c1.7faeb7359e30-smtp-out-n01; Sun, 09 Feb 2020 18:34:41 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id A5937C447A0; Sun, 9 Feb 2020 18:34:41 +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 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 509B2C447A3; Sun, 9 Feb 2020 18:34:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 509B2C447A3 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: robh+dt@kernel.org, georgi.djakov@linaro.org, evgreen@chromium.org Cc: bjorn.andersson@linaro.org, agross@kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, mark.rutland@arm.com, daidavid1@codeaurora.org, saravanak@google.com, mka@chromium.org, linux-pm@vger.kernel.org, Odelu Kukatla , Sibi Sankar Subject: [PATCH v3 3/6] dt-bindings: interconnect: Update Qualcomm SDM845 DT bindings Date: Mon, 10 Feb 2020 00:04:08 +0530 Message-Id: <20200209183411.17195-4-sibis@codeaurora.org> X-Mailer: git-send-email 2.22.1 In-Reply-To: <20200209183411.17195-1-sibis@codeaurora.org> References: <20200209183411.17195-1-sibis@codeaurora.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: David Dai Redefine the Network-on-Chip devices to more accurately describe the interconnect topology on Qualcomm's SDM845 platform. Each interconnect device can communicate with different instances of the RPMh hardware which are described as RSCs(Resource State Coordinators). Signed-off-by: David Dai Signed-off-by: Odelu Kukatla Signed-off-by: Sibi Sankar Reviewed-by: Rob Herring --- .../bindings/interconnect/qcom,sdm845.yaml | 49 +++++++++++++++---- 1 file changed, 40 insertions(+), 9 deletions(-) diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml index 11a495dbfc520..8b087e0b0b811 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml @@ -13,21 +13,44 @@ description: | SDM845 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 reside within - an RPMh device node pertaining to their RSC and each provider maps to a - single RPMh resource. + 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. properties: + reg: + maxItems: 1 + compatible: enum: - - qcom,sdm845-rsc-hlos + - qcom,sdm845-aggre1-noc + - qcom,sdm845-aggre2-noc + - qcom,sdm845-config-noc + - qcom,sdm845-dc-noc + - qcom,sdm845-gladiator-noc + - qcom,sdm845-mem-noc + - qcom,sdm845-mmss-noc + - qcom,sdm845-system-noc '#interconnect-cells': const: 1 + qcom,bcm-voters: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: | + List of phandles to qcom,bcm-voter nodes that are required by + this interconnect to send RPMh commands. + + qcom,bcm-voter-names: + $ref: /schemas/types.yaml#/definitions/string-array + description: | + Names for each of the qcom,bcm-voters specified. + required: - compatible + - reg - '#interconnect-cells' + - qcom,bcm-voters additionalProperties: false @@ -35,9 +58,17 @@ examples: - | #include - apps_rsc: rsc { - rsc_hlos: interconnect { - compatible = "qcom,sdm845-rsc-hlos"; - #interconnect-cells = <1>; - }; + mem_noc: interconnect@1380000 { + compatible = "qcom,sdm845-mem-noc"; + reg = <0 0x01380000 0 0x27200>; + #interconnect-cells = <1>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + mmss_noc: interconnect@1740000 { + compatible = "qcom,sdm845-mmss-noc"; + reg = <0 0x01740000 0 0x1c1000>; + #interconnect-cells = <1>; + qcom,bcm-voter-names = "apps", "disp"; + qcom,bcm-voters = <&apps_bcm_voter>, <&disp_bcm_voter>; };