From patchwork Sat Jul 17 23:48:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Blumenstingl X-Patchwork-Id: 12384113 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=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 4374AC636C9 for ; Sat, 17 Jul 2021 23:49:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0BBBF61108 for ; Sat, 17 Jul 2021 23:49:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0BBBF61108 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=googlemail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OmnfvhPsNtZxhcI95XMevRcYYCm3IFIQZpiKxEffs34=; b=XEA1ebcF5k1bOH YHQ+tQd2Xkyby93SDnKuw+7C8Q3Sfm2oWc1X8ciJB/18+KEGIyeXgNui+P59YQHmwo7gVHg3U2d6O ak/L2HA00FtgWO385fq9zGP4Y8CVExzUQ3LPcAAAtzv8GrIccpycll6WT+LzXwI3E0UrEoWrH07Ck YuANm0Kv2TYn09x0BgvMXtYLvsOFftaA7Kn6le6IyV+Kw6Yu0hUXQa2bI4gO92FtjjC1tVb8iLxZ6 I8kJKjjLAX5dQw7oPuholTjK4i0uoATTLn+mbUUQUynUitEYs2hFWX4oATZ0gQp2DYpxDIn4bmHQ6 zJmrXde4AUBXlWsaFZrw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m4u3h-007BZV-Fk; Sat, 17 Jul 2021 23:49:25 +0000 Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m4u3T-007BW9-7d; Sat, 17 Jul 2021 23:49:12 +0000 Received: by mail-wr1-x431.google.com with SMTP id d12so16493094wre.13; Sat, 17 Jul 2021 16:49:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=bT1+fPwFJ9flWJpalc9w5DJNPuQ3S3336QWUFAF7Nzg=; b=MX4ao7FsMDbMFDHM0HBg1o5Vka3eWBtFWTATqUoGK7Tv01xDX8zaRsuG9sr3csWNQo r3GjNQWjHEO1M7/GR+vU8rBy9gCAH/4ae9BJLARD8QqSh4wQXry7JJBsthQ7hazbFhrt moUU/AvbYyYg9cig+IAIUwKsALiQ5chduykZ4r0bO2u3JED9utY95Uimj2Qll2Li6rPs bv+3MoRQkFnRUCYErJguo5lA6AjhcLL7AV1nPdG0Xi0JzeJDflFn01x34Ih3ILjsMWz/ xEBMDU6H6gjC52h2ujbqPtR1vaMJwOmtIpyrkGcFdofeA5fHdSTjYPoHKbT8FRXn3nqb KVcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=bT1+fPwFJ9flWJpalc9w5DJNPuQ3S3336QWUFAF7Nzg=; b=HzTxx+78q0kldZ78twlc/bqx/J871dJBH7TWwYmXID4EwuHQBQ7WNxuDWHDv0az/x3 0kkPHAvME2wfcegii8A1BC26D/xn+pXTxASSkJGj4KxX0HMMdrzCNKDgG7x0q4MQaC18 /5dgTeKtxNBhMODgYrT6GFkH2oZjJVFqV14XxR8u4gU6nPLw9b59E/C1NbFjY2JAWOtB CXSpqPkbTJ3ZClCzHvVDjm5WVOk7QU7FhxceGt5Ib4tGyfS78k0P7WpOFVTYkszufDY3 ZUCpYZOKB0vBqS6geYxkjJXcL/vxu6798wCARqdRTBRuretwj5E07EiGAqMOdKIarWXA 2afQ== X-Gm-Message-State: AOAM531ORUDWFBTIguz4+b0bnih3nL7h4+ZJp2c/nrLkjbYKDDHDJHFO 7gQvN4CNmTd2SOgrZy6pu2g= X-Google-Smtp-Source: ABdhPJx7hpMPMGYC00iF95XI7OMBCypMiepPby1ZWDAXHuBTefApnReU1/cPQgrg0n0cffiS4Nq14w== X-Received: by 2002:a5d:64aa:: with SMTP id m10mr21395971wrp.351.1626565749759; Sat, 17 Jul 2021 16:49:09 -0700 (PDT) Received: from localhost.localdomain (dynamic-2a01-0c22-7602-4e00-f22f-74ff-fe21-0725.c22.pool.telefonica.de. [2a01:c22:7602:4e00:f22f:74ff:fe21:725]) by smtp.googlemail.com with ESMTPSA id p11sm14505044wro.78.2021.07.17.16.49.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Jul 2021 16:49:09 -0700 (PDT) From: Martin Blumenstingl To: linux-remoteproc@vger.kernel.org, linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mathieu.poirier@linaro.org, bjorn.andersson@linaro.org, ohad@wizery.com, Martin Blumenstingl , Rob Herring Subject: [PATCH v3 1/2] dt-bindings: remoteproc: Add the documentation for Meson AO ARC rproc Date: Sun, 18 Jul 2021 01:48:58 +0200 Message-Id: <20210717234859.351911-2-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210717234859.351911-1-martin.blumenstingl@googlemail.com> References: <20210717234859.351911-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210717_164911_318384_D77B0097 X-CRM114-Status: GOOD ( 15.78 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Amlogic Meson6, Meson8, Meson8b and Meson8m2 SoCs embed an ARC EM4 controller for always-on operations, typically used for managing system suspend. Reviewed-by: Rob Herring Signed-off-by: Martin Blumenstingl --- .../remoteproc/amlogic,meson-mx-ao-arc.yaml | 87 +++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/amlogic,meson-mx-ao-arc.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/amlogic,meson-mx-ao-arc.yaml b/Documentation/devicetree/bindings/remoteproc/amlogic,meson-mx-ao-arc.yaml new file mode 100644 index 000000000000..d892d29a656b --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/amlogic,meson-mx-ao-arc.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/remoteproc/amlogic,meson-mx-ao-arc.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Amlogic Meson AO ARC Remote Processor bindings + +description: + Amlogic Meson6, Meson8, Meson8b and Meson8m2 SoCs embed an ARC core + controller for always-on operations, typically used for managing + system suspend. Meson6 and older use a ARC core based on the ARCv1 + ISA, while Meson8, Meson8b and Meson8m2 use an ARC EM4 (ARCv2 ISA) + core. + +maintainers: + - Martin Blumenstingl + +properties: + compatible: + items: + - enum: + - amlogic,meson8-ao-arc + - amlogic,meson8b-ao-arc + - const: amlogic,meson-mx-ao-arc + + firmware-name: + $ref: /schemas/types.yaml#/definitions/string + description: + The name of the firmware which should be loaded for this remote + processor. + + reg: + description: + Address ranges of the remap and CPU control addresses for the + remote processor. + minItems: 2 + + reg-names: + items: + - const: remap + - const: cpu + + resets: + minItems: 1 + + clocks: + minItems: 1 + + sram: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandles to a reserved SRAM region which is used as the memory of + the ARC core. The region should be defined as child nodes of the + AHB SRAM node as per the generic bindings in + Documentation/devicetree/bindings/sram/sram.yaml + + amlogic,secbus2: + $ref: /schemas/types.yaml#/definitions/phandle + description: + A phandle to the SECBUS2 region which contains some configuration + bits of this remote processor + +required: + - compatible + - reg + - reg-names + - resets + - clocks + - sram + - amlogic,secbus2 + +additionalProperties: false + +examples: + - | + remoteproc@1c { + compatible= "amlogic,meson8-ao-arc", "amlogic,meson-mx-ao-arc"; + reg = <0x1c 0x8>, <0x38 0x8>; + reg-names = "remap", "cpu"; + resets = <&media_cpu_reset>; + clocks = <&media_cpu_clock>; + sram = <&ahb_sram_ao_arc>; + amlogic,secbus2 = <&secbus2>; + }; + +...