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[194.187.74.233]) by smtp.gmail.com with ESMTPSA id t6sm1798895lji.109.2021.11.02.09.06.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Nov 2021 09:06:21 -0700 (PDT) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Lee Jones , Wim Van Sebroeck , Guenter Roeck , Rob Herring Cc: Florian Fainelli , Justin Chen , bcm-kernel-feedback-list@broadcom.com, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-mips@vger.kernel.org, =?utf-8?b?UmFmYcWC?= =?utf-8?b?IE1pxYJlY2tp?= Subject: [PATCH V2 1/2] dt-bindings: watchdog: convert Broadcom's WDT to the json-schema Date: Tue, 2 Nov 2021 17:06:14 +0100 Message-Id: <20211102160615.14672-1-zajec5@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Rafał Miłecki This helps validating DTS files. Signed-off-by: Rafał Miłecki Acked-by: Florian Fainelli --- V2: Use valid $id --- .../bindings/watchdog/brcm,bcm7038-wdt.txt | 19 --------- .../bindings/watchdog/brcm,bcm7038-wdt.yaml | 40 +++++++++++++++++++ 2 files changed, 40 insertions(+), 19 deletions(-) delete mode 100644 Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.txt create mode 100644 Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.yaml diff --git a/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.txt b/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.txt deleted file mode 100644 index 84122270be8f..000000000000 --- a/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.txt +++ /dev/null @@ -1,19 +0,0 @@ -BCM7038 Watchdog timer - -Required properties: - -- compatible : should be "brcm,bcm7038-wdt" -- reg : Specifies base physical address and size of the registers. - -Optional properties: - -- clocks: The clock running the watchdog. If no clock is found the - driver will default to 27000000 Hz. - -Example: - -watchdog@f040a7e8 { - compatible = "brcm,bcm7038-wdt"; - clocks = <&upg_fixed>; - reg = <0xf040a7e8 0x16>; -}; diff --git a/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.yaml b/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.yaml new file mode 100644 index 000000000000..53a3245a6193 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/brcm,bcm7038-wdt.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/brcm,bcm7038-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: BCM7038 watchdog timer + +allOf: + - $ref: "watchdog.yaml#" + +maintainers: + - Florian Fainelli + - Justin Chen + - Rafał Miłecki + +properties: + compatible: + const: brcm,bcm7038-wdt + + reg: + maxItems: 1 + + clocks: + description: > + The clock running the watchdog. If no clock is found the driver will + default to 27000000 Hz. + +unevaluatedProperties: false + +required: + - reg + +examples: + - | + watchdog@f040a7e8 { + compatible = "brcm,bcm7038-wdt"; + reg = <0xf040a7e8 0x16>; + clocks = <&upg_fixed>; + }; From patchwork Tue Nov 2 16:06:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= X-Patchwork-Id: 12599275 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4445DC433EF for ; Tue, 2 Nov 2021 16:33:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25C3761052 for ; Tue, 2 Nov 2021 16:33:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234838AbhKBQdO (ORCPT ); Tue, 2 Nov 2021 12:33:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234798AbhKBQKQ (ORCPT ); Tue, 2 Nov 2021 12:10:16 -0400 Received: from mail-lj1-x233.google.com (mail-lj1-x233.google.com [IPv6:2a00:1450:4864:20::233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B2ABC061203; Tue, 2 Nov 2021 09:06:27 -0700 (PDT) Received: by mail-lj1-x233.google.com with SMTP id 17so32630833ljq.0; Tue, 02 Nov 2021 09:06:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5we+ngsabeSIgxk8EL0owZimFzpBYd2svuAuN0pJ4yE=; b=WtRtW2Nmyd5DSdXZWaxLgDqKEf/VPM3+3pnx50sujC8E0ge5De48uNQpMaVy7FqHBx LT565HDhRvPjASD9k5RlqBS3RNfGBZJYeLJhYO5DP8Z5wFNbPleEBs1x+XzZvVOu/fOo O3hGsYgDWbAn13dRYImuGonhbpWQZd4H6qwOU7LaAMtJBQ56UnXONku0kmW21ozuPLjW Bu6WLqS8mwRI14MfZ8xr85lkKdQ2lkpk5qEqdjrNc9OO/a7SjZ6SEmJEHPKwOO+Zfa7z yRKl+whCiCGlF79jxCbV/W3SQlmLcgsi/0xIG5CkvjzswyHJqfZHnOYtlUQbBgIDb58P 1Mig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5we+ngsabeSIgxk8EL0owZimFzpBYd2svuAuN0pJ4yE=; b=6sjBrXfszJ64kCuDlu6cUIrHRdkF5udR8G8fdVtlN0vZrgeneytrzL7NTI0N5F0oyn J6ocEccRb1tORsxdxGhHBIHVnM/x7FyMi4edu0Y5RTMewqwcn6e8aDs5q70B79K057wk 47nR1Xg1YxFmkrCIwXhk5MJjdn/Lcx34PHxQyI/MOUWMBjALdx5nLORN0f2ekf2Bp7yy 0QBRcIcsTb3lgBt3XpIZSEDrGSM/9WCCSYLw7W76LtE04pFmW8MGHktkXhG9w+H3753+ EvsDnNToxH+OlyDpU+nBGHqUue92evNqFsQ32mketYi1v5e91O3y2uHEaLphXGZ4lxsR HFiQ== X-Gm-Message-State: AOAM531hY7A9KdQ/OiTSIIAeYmE7jlcXPzWtX3+bFo+ji33UOTL7AQYv MB+nWZM28M3bELeEKUacmksFEzqRnSs= X-Google-Smtp-Source: ABdhPJw8yJGezU5RdVmSwZoRkcyQObCFHZkbMgHpvZdlEGRwIuwDDqRWRIJ1u6r0z7FfDiwehDojBA== X-Received: by 2002:a2e:a587:: with SMTP id m7mr18156500ljp.330.1635869185832; Tue, 02 Nov 2021 09:06:25 -0700 (PDT) Received: from localhost.lan (ip-194-187-74-233.konfederacka.maverick.com.pl. [194.187.74.233]) by smtp.gmail.com with ESMTPSA id t6sm1798895lji.109.2021.11.02.09.06.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Nov 2021 09:06:25 -0700 (PDT) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Lee Jones , Wim Van Sebroeck , Guenter Roeck , Rob Herring Cc: Florian Fainelli , Justin Chen , bcm-kernel-feedback-list@broadcom.com, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-mips@vger.kernel.org, =?utf-8?b?UmFmYcWC?= =?utf-8?b?IE1pxYJlY2tp?= Subject: [PATCH V2 2/2] dt-bindings: mfd: add Broadcom's Timer-Watchdog block Date: Tue, 2 Nov 2021 17:06:15 +0100 Message-Id: <20211102160615.14672-2-zajec5@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211102160615.14672-1-zajec5@gmail.com> References: <20211102160615.14672-1-zajec5@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Rafał Miłecki It's a block implementing few time related functions depending on a (SoC specific) variant. At this point there is ready binding for a watchdog only. Work on remaining subblocks (e.g. "reg" based reboot) is in progress. Signed-off-by: Rafał Miłecki --- V2: Update $id, description, compatible, example & commit message --- .../devicetree/bindings/mfd/brcm,twd.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/brcm,twd.yaml diff --git a/Documentation/devicetree/bindings/mfd/brcm,twd.yaml b/Documentation/devicetree/bindings/mfd/brcm,twd.yaml new file mode 100644 index 000000000000..ed167055be06 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/brcm,twd.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/brcm,twd.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom's Timer-Watchdog (aka TWD) + +maintainers: + - Rafał Miłecki + +description: | + Broadcom has a Timer-Watchdog block used in multiple SoCs (e.g., BCM4908, + BCM63xx, BCM7038). There are few variants available (they differ slightly in + registers layout). This block consists of: timers, watchdog and optionally a + software reset handler. + +properties: + compatible: + items: + - enum: + - brcm,bcm4908-twd + - brcm,bcm7038-twd + - const: brcm,twd + - const: simple-mfd + - const: syscon + + reg: + maxItems: 1 + + ranges: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + +patternProperties: + '^watchdog@[a-f0-9]+$': + $ref: /schemas/watchdog/brcm,bcm7038-wdt.yaml + +additionalProperties: false + +required: + - reg + +examples: + - | + timer-mfd@ff800400 { + compatible = "brcm,bcm4908-twd", "brcm,twd", "simple-mfd", "syscon"; + reg = <0xff800400 0x4c>; + ranges = <0x00000000 0xff800400 0x4c>; + + #address-cells = <1>; + #size-cells = <1>; + + watchdog@28 { + compatible = "brcm,bcm7038-wdt"; + reg = <0x28 0x8>; + }; + };