From mboxrd@z Thu Jan 1 00:00:00 1970 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 416ABC433EF for ; Fri, 22 Apr 2022 14:20:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1392400AbiDVOXV (ORCPT ); Fri, 22 Apr 2022 10:23:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1448647AbiDVOXJ (ORCPT ); Fri, 22 Apr 2022 10:23:09 -0400 Received: from mail-wr1-x44a.google.com (mail-wr1-x44a.google.com [IPv6:2a00:1450:4864:20::44a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1701D220E9 for ; Fri, 22 Apr 2022 07:20:16 -0700 (PDT) Received: by mail-wr1-x44a.google.com with SMTP id h61-20020adf9043000000b002079bbaa5d3so1991493wrh.16 for ; Fri, 22 Apr 2022 07:20:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=lQ5RaUoos61s9sLCarSwknlz/MZI6vMjNT8rDD3dDxM=; b=j6T7TqutImcOQbK4UGrtIc+K8zr8hANobRxYXZNOFcsOMN5IuvHo0Wj6aXQrUbrlKT 5BNcQRBVmZkdymvnD0kJpOeJWJFI6Y4M5DEwf3gfDZcT8XtMS9BWDA6nPlJ+cfLUlPRq 1KoIXDtzFjY0Q7/Z86NQk0X2nTWVQ3h+XRiDJ2xzf1CI6BW2geKK6RLrcDlBqkqQEBHJ 4dHLTFls1AT4Xq4NRw+ivFOOLttaJi3/lXzbyxyop9k/lbsMp0vkP4KPig9qZubzg+ZD yboDKXU/0QHIj+AVw6AWLw7DQmM5bzBC/Ky2Zg2ko01ektWM2MM/wkFRpXl7Mj9h2KsS ZjTw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=lQ5RaUoos61s9sLCarSwknlz/MZI6vMjNT8rDD3dDxM=; b=SjJqPyvS0IfYancXffVxGMTqH3dq980DHto7fshO1l+asOb1kg/1PDp93z+YSaGzyZ 8d8Ynq9t5nVfUORxITUtutkTH8Yn8rl6kwC/LD9LaPhbylJsHC+N3otyk3dsNLcWH5Hk 6IxltKyNEjcp+Q/K6jnK3WVLpTI5yCJrl5qMKjSyPiLXAFE09CU3raxBeI/n+QjR/KvI igjJiWqQCHeRjkBEUDcg7AEGlqIFHr4bNqu+55hVyNDSg6SVYD8K6O2v6Hkmg6VXaOeT V+8yHAmJkVFcjENqraLwubmxKM0P9CEsZBo3M6eb31CwMMUk5doEL/dSij2CSbVvV5SQ +iaw== X-Gm-Message-State: AOAM531ylgt2qpPUSoLcAYqDmUmKTkM473eEyXdgZO+bWj9vCvxJ3Tm6 hrDSdRhyHTQIvvJXDkfmkKkzna7N2QchN5CAFUI= X-Google-Smtp-Source: ABdhPJwdt25tWwk3q/YeiNWYxeAQlhYJK+/y8qSOR4l6yYAvKLSI/wvzbkd2tsB0vNjF/0tFflXYft5GjO0zw0IZNR8= X-Received: from sene.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:27c4]) (user=sebastianene job=sendgmr) by 2002:a1c:29c3:0:b0:350:9797:b38f with SMTP id p186-20020a1c29c3000000b003509797b38fmr13872728wmp.22.1650637214646; Fri, 22 Apr 2022 07:20:14 -0700 (PDT) Date: Fri, 22 Apr 2022 14:19:49 +0000 In-Reply-To: <20220422141949.3456505-1-sebastianene@google.com> Message-Id: <20220422141949.3456505-2-sebastianene@google.com> Mime-Version: 1.0 References: <20220422141949.3456505-1-sebastianene@google.com> X-Mailer: git-send-email 2.36.0.rc2.479.g8af0fa9b8e-goog Subject: [PATCH v2 1/2] dt-bindings: vm-wdt: Add qemu,vm-watchdog compatible From: Sebastian Ene To: Rob Herring , Greg Kroah-Hartman , Arnd Bergmann , Dragan Cvetic Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, maz@kernel.org, will@kernel.org, qperret@google.com, Sebastian Ene Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The stall detection mechanism allows to configure the expiration duration and the internal counter clock frequency measured in Hz. Add these properties in the schema. Signed-off-by: Sebastian Ene --- .../devicetree/bindings/misc/vm-wdt.yaml | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/vm-wdt.yaml diff --git a/Documentation/devicetree/bindings/misc/vm-wdt.yaml b/Documentation/devicetree/bindings/misc/vm-wdt.yaml new file mode 100644 index 000000000000..cb7665a0c5af --- /dev/null +++ b/Documentation/devicetree/bindings/misc/vm-wdt.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/vm-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: VM watchdog + +description: | + This binding describes a CPU stall detector mechanism for virtual cpus. + +maintainers: + - Sebastian Ene + +properties: + compatible: + enum: + - qemu,vm-watchdog + clock: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + The watchdog internal clock measure in Hz used to decrement the + watchdog counter register on each tick. + Defaults to 10 if unset. + timeout-sec: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + The watchdog expiration timeout measured in seconds. + Defaults to 8 if unset. + +required: + - compatible + +additionalProperties: false + +examples: + - | + watchdog { + compatible = "qemu,vm-watchdog"; + clock = <10>; + timeout-sec = <8>; + }; + +... -- 2.36.0.rc2.479.g8af0fa9b8e-goog