From patchwork Mon Apr 17 14:55:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 13214179 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 E9F7DC77B77 for ; Mon, 17 Apr 2023 14:56:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230470AbjDQO4W (ORCPT ); Mon, 17 Apr 2023 10:56:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230371AbjDQO4R (ORCPT ); Mon, 17 Apr 2023 10:56:17 -0400 Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E88DDBB9B for ; Mon, 17 Apr 2023 07:55:46 -0700 (PDT) Received: by mail-wm1-x32c.google.com with SMTP id 5b1f17b1804b1-3f169350f05so14506915e9.3 for ; Mon, 17 Apr 2023 07:55:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20221208.gappssmtp.com; s=20221208; t=1681743342; x=1684335342; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=KpUMtv1IxR21LDoVKDuC4GQOAQkDJXs8GOPaC4q6kGw=; b=OAVP3bzJHORQstUTbwhu1R3B+n7USYjtUFjZ2uyNLnP4vQACBRdZ5DV0lB4HwfquS2 0P2ltjjs9TgQyEfXK5kt3xhlkm3+QIiThcI0RGg+igCZzTMoU96xhdnEOdD0tT4zLyve 5QUNH/aNi6VkXzeFefOgSro3FY6BffrCxBaso0/cJAsiJS0e4dLeVlBTmuPpNd91nC0Q PtZMysBXSSrP19Hq7TxIOGheNvUk8MGw/SpY7SvKxLoDUD52dj7Y8qgSDQmHCfSvzlgD KJfOTBgA/OO+6LKfhrOv0TUp4q5bKUHYi3ye+YFwjjjgOKjygWxKiyVdRs8lvFXMKuKU dISA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681743342; x=1684335342; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KpUMtv1IxR21LDoVKDuC4GQOAQkDJXs8GOPaC4q6kGw=; b=KsPpbbDAY2UxQXiJ6Lh+4Q/+o7C0qbgQcKEAy2T7b/n/o1bOhONOw4XaUPVEk3WS7K xeK2xwVFwhXob1DwUvPIyXWQp+0fQB79X65DIKYz1DBVBejIgMdz04Kmysm9LkxvidgD 62uVqGRjbSZIM4DMcJGbWB0vRgF1qT5nspckGocU92cjgHsvCI0R9YPKKPFFex8LO/6F qOy0/BapfhoOt25sOhx631mpTfPNCNGkM6N+fua2z2HRE1VtC+YFQQ6YdyZPeF2VT1EV U8rJvBDKVSC2LMQVydwlqUVlQ+DkeQtkACsW+LSgBRjyyP9FNCyyQ2CaV5oGJV0OryId ljNQ== X-Gm-Message-State: AAQBX9cXKT9Eubu2w3isIOGNoFQwW+4bwX2LnftD7HAR0kHBDJ03Au8U 5JhdmTSvtKtPpMipl6FW+/XNgQ== X-Google-Smtp-Source: AKy350YUelkvSGh5Es7dzBXKaCo6pR3I2qp7ux+Zim1p2vQFQCvJcdNdceJsLAnB0WKGiXqhgxFzbw== X-Received: by 2002:a5d:4004:0:b0:2f8:67ee:5ca9 with SMTP id n4-20020a5d4004000000b002f867ee5ca9mr6168602wrp.65.1681743342270; Mon, 17 Apr 2023 07:55:42 -0700 (PDT) Received: from brgl-uxlite.home ([2a01:cb1d:334:ac00:374a:ffae:fd26:4893]) by smtp.gmail.com with ESMTPSA id j15-20020a5d564f000000b002f7780eee10sm7998301wrw.59.2023.04.17.07.55.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Apr 2023 07:55:41 -0700 (PDT) From: Bartosz Golaszewski To: Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , Konrad Dybcio , Catalin Marinas , Will Deacon , Arnd Bergmann Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski , Krzysztof Kozlowski Subject: [PATCH v2 2/3] dt-bindings: power: reset: convert nvmem-reboot-mode bindings to YAML Date: Mon, 17 Apr 2023 16:55:35 +0200 Message-Id: <20230417145536.414490-3-brgl@bgdev.pl> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230417145536.414490-1-brgl@bgdev.pl> References: <20230417145536.414490-1-brgl@bgdev.pl> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Bartosz Golaszewski Convert the DT binding document for nvmem-reboot-mode from .txt to YAML. Signed-off-by: Bartosz Golaszewski Reviewed-by: Krzysztof Kozlowski --- .../power/reset/nvmem-reboot-mode.txt | 26 ---------- .../power/reset/nvmem-reboot-mode.yaml | 52 +++++++++++++++++++ 2 files changed, 52 insertions(+), 26 deletions(-) delete mode 100644 Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.txt create mode 100644 Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml diff --git a/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.txt b/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.txt deleted file mode 100644 index 752d6126d5da..000000000000 --- a/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.txt +++ /dev/null @@ -1,26 +0,0 @@ -NVMEM reboot mode driver - -This driver gets reboot mode magic value from reboot-mode driver -and stores it in a NVMEM cell named "reboot-mode". Then the bootloader -can read it and take different action according to the magic -value stored. - -Required properties: -- compatible: should be "nvmem-reboot-mode". -- nvmem-cells: A phandle to the reboot mode provided by a nvmem device. -- nvmem-cell-names: Should be "reboot-mode". - -The rest of the properties should follow the generic reboot-mode description -found in reboot-mode.txt - -Example: - reboot-mode { - compatible = "nvmem-reboot-mode"; - nvmem-cells = <&reboot_mode>; - nvmem-cell-names = "reboot-mode"; - - mode-normal = <0xAAAA5501>; - mode-bootloader = <0xBBBB5500>; - mode-recovery = <0xCCCC5502>; - mode-test = <0xDDDD5503>; - }; diff --git a/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml b/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml new file mode 100644 index 000000000000..14a262bcbf7c --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/nvmem-reboot-mode.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/reset/nvmem-reboot-mode.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic NVMEM reboot mode + +maintainers: + - Bartosz Golaszewski + +description: + This driver gets the reboot mode magic value from the reboot-mode driver + and stores it in the NVMEM cell named "reboot-mode". The bootloader can + then read it and take different action according to the value. + +properties: + compatible: + const: nvmem-reboot-mode + + nvmem-cells: + description: + A phandle pointing to the nvmem-cells node where the vendor-specific + magic value representing the reboot mode is stored. + maxItems: 1 + + nvmem-cell-names: + items: + - const: reboot-mode + +patternProperties: + "^mode-.+": + $ref: /schemas/types.yaml#/definitions/uint32 + description: Vendor-specific mode value written to the mode register + +required: + - compatible + - nvmem-cells + - nvmem-cell-names + +additionalProperties: false + +examples: + - | + reboot-mode { + compatible = "nvmem-reboot-mode"; + nvmem-cells = <&reboot_reason>; + nvmem-cell-names = "reboot-mode"; + mode-recovery = <0x01>; + mode-bootloader = <0x02>; + }; +...