From patchwork Thu Feb 23 11:29:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saurabh Singh Sengar X-Patchwork-Id: 657217 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 52DC2C61DA4 for ; Thu, 23 Feb 2023 11:29:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234040AbjBWL3O (ORCPT ); Thu, 23 Feb 2023 06:29:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233987AbjBWL3M (ORCPT ); Thu, 23 Feb 2023 06:29:12 -0500 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 87798302B6; Thu, 23 Feb 2023 03:29:10 -0800 (PST) Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id EB110209A992; Thu, 23 Feb 2023 03:29:09 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com EB110209A992 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1677151750; bh=4EEJxUqGrZweDn4XmOEtu4KTqDelhm0Aezj/kjiTol8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Ot93Lb00j9V0LHvAWwDzYIeHbmsk+lLe0AEv6Nmzu26BaQbyLwIWdZcD2YW9mnUhH ewoyZZv2EcpQsyaClus+oQFfVFxbbQYZewYSC3Y2d1Odm3ZG1epiizhI55u09ivuwS R0YIgVZ6gLesYWOuA6UtkBH58FgC7kPuMOlzPe4I= From: Saurabh Sengar To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, daniel.lezcano@linaro.org, tglx@linutronix.de, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, mikelley@microsoft.com, lenb@kernel.org, rafael@kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH v7 4/5] dt-bindings: bus: VMBus Date: Thu, 23 Feb 2023 03:29:04 -0800 Message-Id: <1677151745-16521-5-git-send-email-ssengar@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1677151745-16521-1-git-send-email-ssengar@linux.microsoft.com> References: <1677151745-16521-1-git-send-email-ssengar@linux.microsoft.com> Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Add dt-bindings for Hyper-V VMBus. Signed-off-by: Saurabh Sengar Reviewed-by: Rob Herring --- [V7] - update ranges; property in simplie-bus for correct 1:1 translation. .../bindings/bus/microsoft,vmbus.yaml | 54 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml diff --git a/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml b/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml new file mode 100644 index 000000000000..a8d40c766dcd --- /dev/null +++ b/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/microsoft,vmbus.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microsoft Hyper-V VMBus + +maintainers: + - Saurabh Sengar + +description: + VMBus is a software bus that implement the protocols for communication + between the root or host OS and guest OSs (virtual machines). + +properties: + compatible: + const: microsoft,vmbus + + ranges: true + + '#address-cells': + const: 2 + + '#size-cells': + const: 1 + +required: + - compatible + - ranges + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <1>; + bus { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + ranges; + + vmbus@ff0000000 { + compatible = "microsoft,vmbus"; + #address-cells = <2>; + #size-cells = <1>; + ranges = <0x0f 0xf0000000 0x0f 0xf0000000 0x10000000>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index f32aca51242f..aae3c1fb55fd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9510,6 +9510,7 @@ S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git F: Documentation/ABI/stable/sysfs-bus-vmbus F: Documentation/ABI/testing/debugfs-hyperv +F: Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml F: Documentation/virt/hyperv F: Documentation/networking/device_drivers/ethernet/microsoft/netvsc.rst F: arch/arm64/hyperv