From patchwork Fri Mar 1 16:42:27 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: 13578723 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 92F9639FED; Fri, 1 Mar 2024 16:43:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709311392; cv=none; b=DHbOigtFNZv/Ub+1jjdLJedOcv/9dyb0Pt62cd0eJflwjibL77qgR60c3ep55k7ltyKf/P2+9SbklIfALGk8sqHYk22c2ok+xf50CWn+tToPRH2hHIxoDm9GWILUt067ZwVxTlM0p0MNJ8Z7IKfqUWfP1QiI+ImlLYgGNItWsNs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709311392; c=relaxed/simple; bh=cLP1VhV//5a+QK8whuvHKC/YPCEW30r7xd8KhREIKck=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=X/Eio1+KNproLUdnOWdl0Y4PAskMlzF59KfqAiwPZC2PGMauI4qkkDVakyt2Yjfkxs44nIgABMJ8idavEwzwyzhcTGjFEqCt8Yb7ZtyQFMUATgVITF792Zgae1AGI09E+NY3u7UNEjK+/oiYWqaXTD7/x0YwWJAKOlMK10COu0Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com 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 17A961FB; Fri, 1 Mar 2024 08:43:48 -0800 (PST) Received: from e130802.arm.com (unknown [10.57.69.63]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id F2D5A3F73F; Fri, 1 Mar 2024 08:43:06 -0800 (PST) From: abdellatif.elkhlifi@arm.com To: Bjorn Andersson , Mathieu Poirier , Rob Herring Cc: Liviu Dudau , Sudeep Holla , Lorenzo Pieralisi , Krzysztof Kozlowski , Conor Dooley , Drew.Reed@arm.com, Adam.Johnston@arm.com, Abdellatif El Khlifi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org Subject: [PATCH 3/3] dt-bindings: remoteproc: Add Arm remoteproc Date: Fri, 1 Mar 2024 16:42:27 +0000 Message-Id: <20240301164227.339208-4-abdellatif.elkhlifi@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240301164227.339208-1-abdellatif.elkhlifi@arm.com> References: <20240301164227.339208-1-abdellatif.elkhlifi@arm.com> Precedence: bulk X-Mailing-List: linux-remoteproc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Abdellatif El Khlifi introduce the bindings for Arm remoteproc support. Signed-off-by: Abdellatif El Khlifi --- .../bindings/remoteproc/arm,rproc.yaml | 69 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/arm,rproc.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/arm,rproc.yaml b/Documentation/devicetree/bindings/remoteproc/arm,rproc.yaml new file mode 100644 index 000000000000..322197158059 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/arm,rproc.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/arm,rproc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Arm Remoteproc Devices + +maintainers: + - Abdellatif El Khlifi + +description: | + Some Arm heterogeneous System-On-Chips feature remote processors that can + be controlled with a reset control register and a reset status register to + start or stop the processor. + + This document defines the bindings for these remote processors. + +properties: + compatible: + enum: + - arm,corstone1000-extsys + + reg: + minItems: 2 + maxItems: 2 + description: | + Address and size in bytes of the reset control register + and the reset status register. + Expects the registers to be in the order as above. + Should contain an entry for each value in 'reg-names'. + + reg-names: + description: | + Required names for each of the reset registers defined in + the 'reg' property. Expects the names from the following + list, in the specified order, each representing the corresponding + reset register. + items: + - const: reset-control + - const: reset-status + + firmware-name: + description: | + Default name of the firmware to load to the remote processor. + +required: + - compatible + - reg + - reg-names + - firmware-name + +additionalProperties: false + +examples: + - | + extsys0: remoteproc@1a010310 { + compatible = "arm,corstone1000-extsys"; + reg = <0x1a010310 0x4>, <0x1a010314 0x4>; + reg-names = "reset-control", "reset-status"; + firmware-name = "es0_flashfw.elf"; + }; + + extsys1: remoteproc@1a010318 { + compatible = "arm,corstone1000-extsys"; + reg = <0x1a010318 0x4>, <0x1a01031c 0x4>; + reg-names = "reset-control", "reset-status"; + firmware-name = "es1_flashfw.elf"; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 54d6a40feea5..eddaa3841a65 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1768,6 +1768,7 @@ ARM REMOTEPROC DRIVER M: Abdellatif El Khlifi L: linux-remoteproc@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/remoteproc/arm,rproc.yaml F: drivers/remoteproc/arm_rproc.c ARM SMC WATCHDOG DRIVER