From mboxrd@z Thu Jan 1 00:00:00 1970 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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 83E47C433E2 for ; Wed, 15 Jul 2020 13:33:22 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4FEBF206E9 for ; Wed, 15 Jul 2020 13:33:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="pMzaXEXS"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="PBtgQHFp" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4FEBF206E9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=9+3DougVEtYIxmeX+vgFwMryg2BSStSmdgpq/N8h/Yw=; b=pMzaXEXSWs1pGhKgoq2Dfv8hE sLBFIFC23Q4wa0IShIH8kHB5SKhFt38G35GfqhzPYqcoIjZRXj/YNxnaNWPhwd8UcT6q2hm7927lc d/WG6POA/Yt1E93F11OLPkfom5WhD27Dk+GrxkphlCc6nGREgfsb1ddXcEpCrASLpCjepi8/qWmZF O0Vhaf1wge2EgJohfW1UhMoDoBO+BqSx+tgBnJ7SOlW3zMXb4JZVXB90rQvBDlfWUvD16Cm8DtWzN ga/xA+Ws092Mf4P9hEDjZqpXU7PQoGstfcLZ7xmgS8diJVAb5QXkPvGYEc3ixkAOZHjCu5OWd344W d31GpVahA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvhVj-0002l8-Lx; Wed, 15 Jul 2020 13:31:47 +0000 Received: from hqnvemgate25.nvidia.com ([216.228.121.64]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvhVf-0002jb-2h for linux-arm-kernel@lists.infradead.org; Wed, 15 Jul 2020 13:31:44 +0000 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Wed, 15 Jul 2020 06:30:43 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Wed, 15 Jul 2020 06:31:41 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Wed, 15 Jul 2020 06:31:41 -0700 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 15 Jul 2020 13:31:39 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Wed, 15 Jul 2020 13:31:39 +0000 Received: from sumitg-l4t.nvidia.com (Not Verified[10.24.37.103]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Wed, 15 Jul 2020 06:31:38 -0700 From: Sumit Gupta To: , , , , , , , , , , , , , Subject: [TEGRA194_CPUFREQ PATCH v6 1/3] dt-bindings: arm: Add NVIDIA Tegra194 CPU Complex binding Date: Wed, 15 Jul 2020 19:01:23 +0530 Message-ID: <1594819885-31016-2-git-send-email-sumitg@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594819885-31016-1-git-send-email-sumitg@nvidia.com> References: <1594819885-31016-1-git-send-email-sumitg@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1594819843; bh=aJzkPyWAiProNVsIFDsOkvEDW2GKxcvlLuorTbB1t80=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=PBtgQHFpqbhjEiTlJmYrFFSppK/mvwPG7+DQFiOT444pZ0YsFXDmAv08/rsDdhMcU lYuqhppSjqi/tXQx/0NIjQYj95Y82dk7Qp5iiJM5JA3u8rlmg6LaHkF6cDUTyqHeNO FVB7u5I/usJksbTiEf7hzwN7PIQoe4QCJX/+ftS3XS/E7oReadQzWkjFZ3sNF5Rga0 dS7E1LDGXyRbkShM5JLwS62k6xhQGBOrMb+J8aO1D7s0vb6Klej44HDUQpFA2owVWR aJ0GWNAUZDAXtAOKdhKQ/tJa2yRtcTe34VKdYZCzUJtzqKEroHd93koml4h2XyKkuX mF15VLXu/2+Fg== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200715_093143_258246_6A078B43 X-CRM114-Status: GOOD ( 14.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sumitg@nvidia.com, bbasu@nvidia.com, mperttunen@nvidia.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add device-tree binding documentation to represent Tegra194 CPU Complex with compatible string under 'cpus' node. This can be used by drivers like cpufreq which don't have their node or CPU Complex node to bind to. Also, documenting 'nvidia,bpmp' property which points to BPMP device. Signed-off-by: Sumit Gupta --- .../bindings/arm/nvidia,tegra194-ccplex.yaml | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/nvidia,tegra194-ccplex.yaml diff --git a/Documentation/devicetree/bindings/arm/nvidia,tegra194-ccplex.yaml b/Documentation/devicetree/bindings/arm/nvidia,tegra194-ccplex.yaml new file mode 100644 index 0000000..1043e4b --- /dev/null +++ b/Documentation/devicetree/bindings/arm/nvidia,tegra194-ccplex.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/arm/nvidia,tegra194-ccplex.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: NVIDIA Tegra194 CPU Complex device tree bindings + +maintainers: + - Thierry Reding + - Jonathan Hunter + - Sumit Gupta + +description: |+ + Tegra194 SOC has homogeneous architecture where each cluster has two + symmetric cores. Compatible string in "cpus" node represents the CPU + Complex having all clusters. + +properties: + $nodename: + const: cpus + + compatible: + enum: + - nvidia,tegra194-ccplex + + nvidia,bpmp: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: | + Specifies the bpmp node that needs to be queried to get + operating point data for all CPUs. + +examples: + - | + cpus { + compatible = "nvidia,tegra194-ccplex"; + nvidia,bpmp = <&bpmp>; + #address-cells = <1>; + #size-cells = <0>; + + cpu0_0: cpu@0 { + compatible = "nvidia,tegra194-carmel"; + device_type = "cpu"; + reg = <0x0>; + enable-method = "psci"; + }; + + cpu0_1: cpu@1 { + compatible = "nvidia,tegra194-carmel"; + device_type = "cpu"; + reg = <0x001>; + enable-method = "psci"; + }; + + cpu1_0: cpu@100 { + compatible = "nvidia,tegra194-carmel"; + device_type = "cpu"; + reg = <0x100>; + enable-method = "psci"; + }; + + cpu1_1: cpu@101 { + compatible = "nvidia,tegra194-carmel"; + device_type = "cpu"; + reg = <0x101>; + enable-method = "psci"; + }; + }; +... -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel