From patchwork Thu Aug 22 17:09:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abdellatif El Khlifi X-Patchwork-Id: 13773959 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A0773C52D7C for ; Thu, 22 Aug 2024 17:11:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+X593npyH4HxGzmQE6CPt3TG4PPkEpQn7yZUfjPsT6I=; b=D0mVS2kzqUqwXVl/m5QXV/mGpy 5VTnh/wdbdVl7kYXpbP1TrDNjXkTRnMYWG1bs2/+OFZVxHaLjohcT/9UzFT9grb0K1BRkZ9sFkJNM p1k9CeBsxUzJBZCzk/bcSEdBMySYbB0Qcrt3cQG8glmXpJ8+9BcdoKxJynMgOVoD6rmmoyaPIhI4c UPlVl7cJ2peCuX1nPiPnmLpTItWyjYCs6L1VskGhir6CTvMY4hzjsqpECKEW1xqKd5hmNrSH8u9ZK kjW+fIpP1tiBX34rptQoTz6ZnHq0vEu+v+fUDzODsxOo/LeZtX23buD2FKRzOpiWZBQjVbRQqeIrD bJ/qxAOA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1shBLc-0000000DkJC-1DRW; Thu, 22 Aug 2024 17:11:44 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1shBK6-0000000DjrS-1Jpm for linux-arm-kernel@lists.infradead.org; Thu, 22 Aug 2024 17:10:11 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F17BAFEC; Thu, 22 Aug 2024 10:10:35 -0700 (PDT) Received: from e130802.cambridge.arm.com (e130802.arm.com [10.1.37.66]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 4E98E3F58B; Thu, 22 Aug 2024 10:10:06 -0700 (PDT) From: Abdellatif El Khlifi To: mathieu.poirier@linaro.org Cc: Adam.Johnston@arm.com, Hugues.KambaMpiana@arm.com, Drew.Reed@arm.com, abdellatif.elkhlifi@arm.com, andersson@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, liviu.dudau@arm.com, lpieralisi@kernel.org, robh@kernel.org, sudeep.holla@arm.com, robin.murphy@arm.com Subject: [PATCH v2 1/5] dt-bindings: remoteproc: sse710: Add the External Systems remote processors Date: Thu, 22 Aug 2024 18:09:47 +0100 Message-Id: <20240822170951.339492-2-abdellatif.elkhlifi@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240822170951.339492-1-abdellatif.elkhlifi@arm.com> References: <20240822170951.339492-1-abdellatif.elkhlifi@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240822_101010_480397_35BB121A X-CRM114-Status: GOOD ( 13.54 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add devicetree binding schema for the External Systems remote processors The External Systems remote processors are provided on the Corstone-1000 IoT Reference Design Platform via the SSE-710 subsystem. For more details about the External Systems, please see Corstone SSE-710 subsystem features [1]. [1]: https://developer.arm.com/documentation/102360/0000/Overview-of-Corstone-1000/Corstone-SSE-710-subsystem-features Signed-off-by: Abdellatif El Khlifi --- .../remoteproc/arm,sse710-extsys.yaml | 90 +++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/arm,sse710-extsys.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/arm,sse710-extsys.yaml b/Documentation/devicetree/bindings/remoteproc/arm,sse710-extsys.yaml new file mode 100644 index 000000000000..827ba8d962f1 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/arm,sse710-extsys.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/arm,sse710-extsys.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SSE-710 External System Remote Processor + +maintainers: + - Abdellatif El Khlifi + - Hugues Kamba Mpiana + +description: | + SSE-710 is an heterogeneous subsystem supporting up to two remote + processors aka the External Systems. + +properties: + compatible: + enum: + - arm,sse710-extsys + + firmware-name: + description: + The default name of the firmware to load to the remote processor. + + '#extsys-id': + description: + The External System ID. + enum: [0, 1] + + mbox-names: + items: + - const: txes0 + - const: rxes0 + + mboxes: + description: + The list of Message Handling Unit (MHU) channels used for bidirectional + communication. This property is only required if the virtio-based Rpmsg + messaging bus is used. For more details see the Arm MHUv2 Mailbox + Controller at devicetree/bindings/mailbox/arm,mhuv2.yaml + + minItems: 2 + maxItems: 2 + + memory-region: + description: + If present, a phandle for a reserved memory area that used for vdev + buffer, resource table, vring region and others used by the remote + processor. + minItems: 2 + maxItems: 32 + +required: + - compatible + - firmware-name + - '#extsys-id' + +additionalProperties: false + +examples: + - | + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + + extsys0_vring0: vdev0vring0@82001000 { + reg = <0 0x82001000 0 0x8000>; + no-map; + }; + + extsys0_vring1: vdev0vring1@82009000 { + reg = <0 0x82009000 0 0x8000>; + no-map; + }; + }; + + syscon@1a010000 { + compatible = "arm,sse710-host-base-sysctrl", "simple-mfd", "syscon"; + reg = <0x1a010000 0x1000>; + + extsys0 { + compatible = "arm,sse710-extsys"; + #extsys-id = <0>; + firmware-name = "es_flashfw.elf"; + mbox-names = "txes0", "rxes0"; + mboxes = <&mhu0_hes0 0 1>, <&mhu0_es0h 0 1>; + memory-region = <&extsys0_vring0>, <&extsys0_vring1>; + }; + };