From patchwork Mon Dec 16 05:58:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Dai X-Patchwork-Id: 1210099 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="SUiPldH4"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47brF92mspz9sQp for ; Mon, 16 Dec 2019 16:59:09 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726054AbfLPF7G (ORCPT ); Mon, 16 Dec 2019 00:59:06 -0500 Received: from mail26.static.mailgun.info ([104.130.122.26]:46148 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726296AbfLPF7G (ORCPT ); Mon, 16 Dec 2019 00:59:06 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1576475945; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=Ex+ZJ9vwFTMqKcs+uQG/gD9yh6aNzUK1cDN7wm4uxLE=; b=SUiPldH4oRccLohrJ5h2nWGkjkikHEr89x4NCkDC41na4gy1Rd5m1Xgbg1OgLk2jnNj8BIJf uIgZRDacZPwnmaW5B6cx3ijWkgwD/Yu8/Es970oEhSxfyC0mbvP9LPLIo/8H1Q5dFlFkXysV 9WILxxAAbU8zd3LBO4kmh4SjlH8= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyI1YmJiNiIsICJkZXZpY2V0cmVlQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== 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 5df71d27.7f021f4412d0-smtp-out-n02; Mon, 16 Dec 2019 05:59:03 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id BDAF2C433CB; Mon, 16 Dec 2019 05:59:03 +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 davidai-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: daidavid1) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6E96AC433CB; Mon, 16 Dec 2019 05:59:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6E96AC433CB 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=daidavid1@codeaurora.org From: David Dai To: georgi.djakov@linaro.org, bjorn.andersson@linaro.org, robh+dt@kernel.org Cc: David Dai , evgreen@google.com, sboyd@kernel.org, ilina@codeaurora.org, seansw@qti.qualcomm.com, elder@linaro.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v1 1/4] dt-bindings: interconnect: Update Qualcomm SDM845 DT bindings Date: Sun, 15 Dec 2019 21:58:42 -0800 Message-Id: <1576475925-20601-2-git-send-email-daidavid1@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1576475925-20601-1-git-send-email-daidavid1@codeaurora.org> References: <1576475925-20601-1-git-send-email-daidavid1@codeaurora.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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). As part of updating the DT bindings, convert the existing sdm845 bindings to DT schema format using json-schema. Signed-off-by: David Dai --- .../bindings/interconnect/qcom,bcm-voter.yaml | 45 +++++++++ .../bindings/interconnect/qcom,sdm845.txt | 24 ----- .../bindings/interconnect/qcom,sdm845.yaml | 108 +++++++++++++++++++++ 3 files changed, 153 insertions(+), 24 deletions(-) create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml delete mode 100644 Documentation/devicetree/bindings/interconnect/qcom,sdm845.txt create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml diff --git a/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml new file mode 100644 index 0000000..74f0715 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,bcm-voter.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,bcm-voter.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm BCM-Voter Interconnect + +maintainers: + - David Dai + +description: | + The Bus Clock Manager (BCM) is a dedicated hardware accelerator + that manages shared system resources by aggregating requests + from multiple Resource State Coordinators (RSC). Interconnect + providers are able to vote for aggregated thresholds values from + consumers by communicating through their respective RSCs. + +properties: + compatible: + enum: + - qcom,sdm845-bcm-voter + +required: + - compatible + +additionalProperties: false + +examples: + - | + apps_rsc: interconnect@179c0000 { + compatible = "qcom,rpmh-rsc"; + + apps_bcm_voter: bcm_voter { + compatible = "qcom,sdm845-bcm-voter"; + }; + }; + + disp_rsc: interconnect@179d0000 { + compatible = "qcom,rpmh-rsc"; + + disp_bcm_voter: bcm_voter { + compatible = "qcom,sdm845-bcm-voter"; + }; + }; diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sdm845.txt b/Documentation/devicetree/bindings/interconnect/qcom,sdm845.txt deleted file mode 100644 index 5c4f1d9..0000000 --- a/Documentation/devicetree/bindings/interconnect/qcom,sdm845.txt +++ /dev/null @@ -1,24 +0,0 @@ -Qualcomm SDM845 Network-On-Chip interconnect driver binding ------------------------------------------------------------ - -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. - -Required properties : -- compatible : shall contain only one of the following: - "qcom,sdm845-rsc-hlos" -- #interconnect-cells : should contain 1 - -Examples: - -apps_rsc: rsc { - rsc_hlos: interconnect { - compatible = "qcom,sdm845-rsc-hlos"; - #interconnect-cells = <1>; - }; -}; - diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml new file mode 100644 index 0000000..1aec321 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,sdm845.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SDM845 Network-On-Chip Interconnect + +maintainers: + - David Dai + +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 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-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 + +examples: + - | + #include + + mem_noc: interconnect@1380000 { + compatible = "qcom,sdm845-mem-noc"; + reg = <0 0x01380000 0 0x27200>; + #interconnect-cells = <1>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + dc_noc: interconnect@14e0000 { + compatible = "qcom,sdm845-dc-noc"; + reg = <0 0x014e0000 0 0x400>; + #interconnect-cells = <1>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + config_noc: interconnect@1500000 { + compatible = "qcom,sdm845-config-noc"; + reg = <0 0x01500000 0 0x5080>; + #interconnect-cells = <1>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + system_noc: interconnect@1620000 { + compatible = "qcom,sdm845-system-noc"; + reg = <0 0x01620000 0 0x18080>; + #interconnect-cells = <1>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + aggre1_noc: interconnect@16e0000 { + compatible = "qcom,sdm845-aggre1-noc"; + reg = <0 0x016e0000 0 0xd080>; + #interconnect-cells = <1>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + aggre2_noc: interconnect@1700000 { + compatible = "qcom,sdm845-aggre2-noc"; + reg = <0 0x01700000 0 0x3b100>; + #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-voters = <&apps_bcm_voter>; + };