From patchwork Mon Sep 5 10:37:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 12965940 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FA83ECAAD3 for ; Mon, 5 Sep 2022 10:37:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235604AbiIEKh1 (ORCPT ); Mon, 5 Sep 2022 06:37:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230203AbiIEKh0 (ORCPT ); Mon, 5 Sep 2022 06:37:26 -0400 Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A177624BE8 for ; Mon, 5 Sep 2022 03:37:24 -0700 (PDT) Received: by mail-wr1-x435.google.com with SMTP id n17so10772540wrm.4 for ; Mon, 05 Sep 2022 03:37:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date; bh=YXCCApCsqG4lX5w+P2Zmd4wA9hkF2ptf8XDZNujWCnY=; b=ZSunK+utSxB0hE0Vn0ucZ92Pheev7Qw4fLCiGrPbspkjA9o5Ga6yW6wKR/QGWdK2F5 QZ2zbt1UxjNgHuAbMf5tpfKDyypX/7UK625nEtqgRIN+9QRBJ1TSJfJNhiXhrbYBKCac 3XBaOBeKzoOB9T2eYMZy6zHQOj7e3sDFAaFkdM8kzQ9IMNwXPimTXaAAyhVSXBcTQVWK Cn2u2dp6ZG0WTsdnD7I8fXAJz3GYNqEyrA0vkXE38lmji1Kp4ZK72/GbAPTIqGLzyJiJ o5vDt5OGYbPeeVjv0at7aSX+y6ZLltQEPUnfmH9TozwKIwdoYKBRpkweSpeVKL289r9L h7tg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date; bh=YXCCApCsqG4lX5w+P2Zmd4wA9hkF2ptf8XDZNujWCnY=; b=0ra9V4MHPW316WWWCfEJMeyNQQnI+ztU4ueY7K/2H0Pj3DJmyn99aKcyrJvowyEyTA 2OFgpPjMRuIxZXMCHTDHW5co4BkIWZVp72tcXhxljuwrjPNbV0GD7x6gMwyIL3q/L+Fv VN2fb9XlpAhxz6mY51EsUyQJrUB/zNS87toGZvaeH8RTL4O7f5PRXFoal1R+t7Kv7k1X OwV2HG8CwwVlCfbabuXvWRV8djy6YCFEf78g/dckofC+a8/YPF4TI9uk88SWdWjE+1Ed ViPVKDnBzPS84dyavvNNREkzTtqtA8Ahr1Fsf+MWa8KDUqqwb3a3idb/D6aTp1wob5Lz Z0Tg== X-Gm-Message-State: ACgBeo3OohT4ioOVUS9x9KJE/2jXdm0lMARCtaD6LYIL0S2vdzQkGWqC OzU7dQ21cAZGjEISRXDznmE9PA== X-Google-Smtp-Source: AA6agR6nD8jmBM0LAbPnaKPn6t6X1WZemQxM1G3S8VnIwic1E2xeCcdtgSvpyOamc2W4N9bSLoMkMQ== X-Received: by 2002:a5d:544a:0:b0:228:64cd:243b with SMTP id w10-20020a5d544a000000b0022864cd243bmr3558111wrv.238.1662374243153; Mon, 05 Sep 2022 03:37:23 -0700 (PDT) Received: from hackbox.lan ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id z7-20020a05600c0a0700b003a5c1e916c8sm31765894wmp.1.2022.09.05.03.37.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Sep 2022 03:37:22 -0700 (PDT) From: Abel Vesa To: Srinivas Kandagatla , Amol Maheshwari , Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Linux Kernel Mailing List , David Heidelberg Subject: [PATCH v6 1/2] dt-bindings: misc: fastrpc convert bindings to yaml Date: Mon, 5 Sep 2022 13:37:14 +0300 Message-Id: <20220905103715.955786-1-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Convert Qualcomm FastRPC bindings to yaml format, so that we could validate dt-entries correctly and any future additions can go into yaml format. Use compute-cb@ subnodes instead of just cb@. Also add qcom,non-secure-domain, qcom,glink-channels and qcom,smd-channels missing properties to make sure dtbs_check doesn't fail right off the bat. Co-developed-by: Srinivas Kandagatla Signed-off-by: Srinivas Kandagatla Co-developed-by: David Heidelberg Signed-off-by: David Heidelberg Signed-off-by: Abel Vesa --- Changes since v5: * Removed the txt file .../devicetree/bindings/misc/qcom,fastrpc.txt | 88 -------------- .../bindings/misc/qcom,fastrpc.yaml | 108 ++++++++++++++++++ 2 files changed, 108 insertions(+), 88 deletions(-) delete mode 100644 Documentation/devicetree/bindings/misc/qcom,fastrpc.txt create mode 100644 Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml diff --git a/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt b/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt deleted file mode 100644 index 5ec124b138a6..000000000000 --- a/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt +++ /dev/null @@ -1,88 +0,0 @@ -Qualcomm Technologies, Inc. FastRPC Driver - -The FastRPC implements an IPC (Inter-Processor Communication) -mechanism that allows for clients to transparently make remote method -invocations across DSP and APPS boundaries. This enables developers -to offload tasks to the DSP and free up the application processor for -other tasks. - -- compatible: - Usage: required - Value type: - Definition: must be "qcom,fastrpc" - -- label - Usage: required - Value type: - Definition: should specify the dsp domain name this fastrpc - corresponds to. must be one of this: "adsp", "mdsp", "sdsp", "cdsp" - -- qcom,non-secure-domain: - Usage: required - Value type: - Definition: Property to specify that dsp domain is non-secure. - -- qcom,vmids: - Usage: optional - Value type: - Definition: Virtual machine IDs for remote processor. - -- #address-cells - Usage: required - Value type: - Definition: Must be 1 - -- #size-cells - Usage: required - Value type: - Definition: Must be 0 - -= COMPUTE BANKS -Each subnode of the Fastrpc represents compute context banks available -on the dsp. -- All Compute context banks MUST contain the following properties: - -- compatible: - Usage: required - Value type: - Definition: must be "qcom,fastrpc-compute-cb" - -- reg - Usage: required - Value type: - Definition: Context Bank ID. - -- qcom,nsessions: - Usage: Optional - Value type: - Defination: A value indicating how many sessions can share this - context bank. Defaults to 1 when this property - is not specified. - -Example: - -adsp-pil { - compatible = "qcom,msm8996-adsp-pil"; - ... - smd-edge { - label = "lpass"; - fastrpc { - compatible = "qcom,fastrpc"; - qcom,smd-channels = "fastrpcsmd-apps-dsp"; - label = "adsp"; - #address-cells = <1>; - #size-cells = <0>; - - cb@1 { - compatible = "qcom,fastrpc-compute-cb"; - reg = <1>; - }; - - cb@2 { - compatible = "qcom,fastrpc-compute-cb"; - reg = <2>; - }; - ... - }; - }; -}; diff --git a/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml new file mode 100644 index 000000000000..3c11a3741994 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/misc/qcom,fastrpc.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm FastRPC Driver + +maintainers: + - Srinivas Kandagatla + +description: | + The FastRPC implements an IPC (Inter-Processor Communication) + mechanism that allows for clients to transparently make remote method + invocations across DSP and APPS boundaries. This enables developers + to offload tasks to the DSP and free up the application processor for + other tasks. + +properties: + compatible: + items: + - const: qcom,fastrpc + + label: + items: + enum: + - adsp + - mdsp + - sdsp + - cdsp + + qcom,glink-channels: + description: + A list of channels tied to this function, used for matching + the function to a set of virtual channels. + $ref: "/schemas/types.yaml#/definitions/string-array" + + qcom,non-secure-domain: + description: + Used to mark the current domain as non-secure. + type: boolean + + qcom,smd-channels: + description: + Channel name used for the RPM communication + $ref: "/schemas/types.yaml#/definitions/string-array" + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + "(compute-)?cb@[0-9]*$": + type: object + + description: > + Each subnode of the Fastrpc represents compute context banks available on the dsp. + + properties: + compatible: + items: + - const: qcom,fastrpc-compute-cb + + reg: + maxItems: 1 + + qcom,nsession: + $ref: /schemas/types.yaml#/definitions/uint32 + default: 1 + description: > + A value indicating how many sessions can share this context bank. + + required: + - compatible + - reg + +required: + - compatible + - label + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + smd-edge { + label = "lpass"; + fastrpc { + compatible = "qcom,fastrpc"; + label = "adsp"; + qcom,smd-channels = "fastrpcsmd-apps-dsp"; + #address-cells = <1>; + #size-cells = <0>; + + compute-cb@1 { + compatible = "qcom,fastrpc-compute-cb"; + reg = <1>; + }; + + compute-cb@2 { + compatible = "qcom,fastrpc-compute-cb"; + reg = <2>; + }; + }; + };