From patchwork Wed Dec 30 01:27:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Blumenstingl X-Patchwork-Id: 355337 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 B76F5C43331 for ; Wed, 30 Dec 2020 01:28:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 77BEA21D1B for ; Wed, 30 Dec 2020 01:28:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726530AbgL3B20 (ORCPT ); Tue, 29 Dec 2020 20:28:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726161AbgL3B2Z (ORCPT ); Tue, 29 Dec 2020 20:28:25 -0500 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5188BC06179E; Tue, 29 Dec 2020 17:27:45 -0800 (PST) Received: by mail-ed1-x530.google.com with SMTP id y24so14101409edt.10; Tue, 29 Dec 2020 17:27:45 -0800 (PST) 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=MtPxMqkjwt6sHKWiGsuZVZg8bNgwsNd2+f6vgAqxoic=; b=geGfyg5Vu+VI3OwPgXC08gM9zGH8+v/NvBZUaAozHsn2Y3GrUSMnYN9HbUY5sMzNzN meg8W6AlAwe1IOpJ3r2fUdx0SR0s2aBB8vYn3ngpYylBgO4iSJwbok0bJ0298wD0/oWs SOXhXwpQkdjesylCihQ9Lz/l2be1hN3PMLN024SRQLbUIm64H3+y3KCnSFc0ubxd3xWN npLWI0+sKZo5j0713TDbZzpVj6P55tkmgv7edsLSwXDvMywgLov0pDxXNMVIaO9zSRUm OfIxF9t7bBjs8SCX8/xiChdJ93OctM7zQhsV2hJ8rQUJ942cg5SI7p7h9lFd+6ulqw/I JmPw== 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=MtPxMqkjwt6sHKWiGsuZVZg8bNgwsNd2+f6vgAqxoic=; b=Qx3Phy7rv31J7vp/z1w3QP39bLX9SSF7dTCTMMPtaEn+fT0ecQbVB12nxjMxAXnPNs dcQ/hr+zDi7GPRStdZTLnI7nFm8STjrATdYycpw6wotti0RY1rMb5a728dB2cInmfmqH e+G200siO/4Lo+Z1cisDiwelVGrnBj5wxOpTudiRWN554dXzW6EJVaMFVD+Fqm7bwNog 7Q88Mw9ML9/kWyXyDWJPUe4ri4XzUOUwauQVB2xTovnPowYj/9X2DjSpkeS/Wsm/buQw uXHbY3YVQ02MVYy+5FZ1uUQd/aXc3u7049BFwfUA2XVXjDo476y1fpCVApKUnYmwkYFF m0Xg== X-Gm-Message-State: AOAM5307dQpvgAzKG0h/eJi7CEpMfk6wI/OA9BTqd9XrAtijbV/Dpo5/ SQzC5FG1B2O41qS7HFSOTDQgt8N5tcc= X-Google-Smtp-Source: ABdhPJznEZmybn/NgvvEAfXc3C3cLo8e2RNuEOZYYNX1XVxkerwE6Myr0sk29i+aG7EOSKKSil7Vrg== X-Received: by 2002:a50:ce13:: with SMTP id y19mr48656745edi.241.1609291663889; Tue, 29 Dec 2020 17:27:43 -0800 (PST) Received: from localhost.localdomain (p200300f1372a4000428d5cfffeb99db8.dip0.t-ipconnect.de. [2003:f1:372a:4000:428d:5cff:feb9:9db8]) by smtp.googlemail.com with ESMTPSA id f20sm26576696edx.92.2020.12.29.17.27.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Dec 2020 17:27:43 -0800 (PST) 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, devicetree@vger.kernel.org, bjorn.andersson@linaro.org, ohad@wizery.com, robh+dt@kernel.org, Martin Blumenstingl Subject: [PATCH 3/5] dt-bindings: remoteproc: Add the documentation for Meson AO ARC rproc Date: Wed, 30 Dec 2020 02:27:22 +0100 Message-Id: <20201230012724.1326156-4-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20201230012724.1326156-1-martin.blumenstingl@googlemail.com> References: <20201230012724.1326156-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Amlogic Meson6, Meson8, Meson8b and Meson8m2 SoCs embed an ARC EM4 controller for always-on operations, typically used for managing system suspend. 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..ba5deebaf7dc --- /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>; + }; + +...