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 9EB65C0015E for ; Sat, 5 Aug 2023 19:23:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230029AbjHETXU (ORCPT ); Sat, 5 Aug 2023 15:23:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229759AbjHETXU (ORCPT ); Sat, 5 Aug 2023 15:23:20 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB478199 for ; Sat, 5 Aug 2023 12:23:15 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id 5b1f17b1804b1-3fb4146e8deso31456255e9.0 for ; Sat, 05 Aug 2023 12:23:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1691263394; x=1691868194; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=lWGkcMT5pxDyHMqOfqebMqnEsKhKLvpT6WJfc2oB8Rw=; b=Yv1rkbTeM5N+4K+Ah61alwDWwU9/JPJKtSh3TC0Z1GRFmgI8FgPDgBFZdVTb2lKSbX gt86mwE67u7Ce8lgHpEkZO4tCX6YOAn+cnuRXR3EBnRMiVXKxy71odOpmdFoNQJlKgCV BaM1t/EYgP0oRUqmTCiRAUQgD1gIyQC1sflKJaIl23Gp53d976zEVb2Urm7X/pA9edI2 5PsCAGNbM5VzOCOAe1EH2Q4w4rODtKuOIeMSndDkz7Zeatl5XMziygVINRLyp+gfgAvL 6TbtfbG/ejmwZLUD4QBSifFWlnqbprq1l8uiP33qfmlhnYiyn1yYCVVmmxbrkwu6rWxA ygmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691263394; x=1691868194; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=lWGkcMT5pxDyHMqOfqebMqnEsKhKLvpT6WJfc2oB8Rw=; b=O/bnI7GPYu6Aj+Cp4kXiR/MQkXVJjr64CYu5hW8/hp+m4SoWrpFecK6jB3cLhg4FVe MgVe8mJzGaplqs5iVw6tJkVxUM6VkzzdfB5cHpJuEAR/G04p3vIEGksrk9SwH/YnLlAX L5vYhovhZ/go38VkB16F1oSqv027IFi8rWZgkNHCLK30UM4/KNEqZ3NEUJ6rdaLpn6KA N+zE2+IjBmWcwAuDIMNO3uIrlXHF7E/XeEakqSUPVTWdrNa++o8GNN39aPTiAWpnu+DD EHSOUK1OGklxpXk1/quozMrq3ScVx3diMzgtOa6GaJhPBmIcy9YyrnCW0GdsIiee1pze xUzQ== X-Gm-Message-State: AOJu0Yzs4MywmgsYnqy80uEymHNtmP+WN4p3M14O5qy49FLxdS/Y8CAh Wy9avFfRhLhWj1Q4qqYju/PyrA== X-Google-Smtp-Source: AGHT+IF5WmOuQZNborhxI3YPeZRFi8i72W0aWCq33li/JuGD/f7hub3HyXB1DY2qheXjQAa6kXntZw== X-Received: by 2002:a1c:7715:0:b0:3fc:182:7eac with SMTP id t21-20020a1c7715000000b003fc01827eacmr4027317wmi.33.1691263394228; Sat, 05 Aug 2023 12:23:14 -0700 (PDT) Received: from [192.168.1.20] ([178.197.222.245]) by smtp.gmail.com with ESMTPSA id m13-20020a7bca4d000000b003fa96fe2bd9sm10026422wml.22.2023.08.05.12.23.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 05 Aug 2023 12:23:13 -0700 (PDT) Message-ID: <721798b0-d9f8-3c17-0373-b5927d8fe230@linaro.org> Date: Sat, 5 Aug 2023 21:23:12 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Subject: Re: [PATCH v3 1/2] dt-bindings: i2c: add binding for i2c-hotplug-gpio Content-Language: en-US To: Svyatoslav Ryhel , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Wolfram Sang , =?UTF-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= Cc: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230729160857.6332-1-clamor95@gmail.com> <20230729160857.6332-2-clamor95@gmail.com> From: Krzysztof Kozlowski In-Reply-To: <20230729160857.6332-2-clamor95@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 29/07/2023 18:08, Svyatoslav Ryhel wrote: > Document device tree schema which describes hot-pluggable via GPIO > i2c bus. > A nit, subject: drop second/last, redundant "binding for". The "dt-bindings" prefix is already stating that these are bindings. > Signed-off-by: Svyatoslav Ryhel > --- > .../bindings/i2c/i2c-hotplug-gpio.yaml | 65 +++++++++++++++++++ > 1 file changed, 65 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-hotplug-gpio.yaml > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-hotplug-gpio.yaml b/Documentation/devicetree/bindings/i2c/i2c-hotplug-gpio.yaml > new file mode 100644 > index 000000000000..21f2b74ca6c1 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/i2c-hotplug-gpio.yaml > @@ -0,0 +1,65 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/i2c-hotplug-gpio.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: GPIO detected hot-plugged I2C bus > + > +maintainers: > + - Michał Mirosław > + > +description: > + Driver for hot-plugged I2C busses, where some devices on a bus > + are hot-pluggable and their presence is indicated by GPIO line. > + > +properties: > + compatible: > + items: Drop items. > + - const: i2c-hotplug-gpio > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 Why do you need these two? You do not have any children. > + > + interrupts-extended: Just interrupts. > + minItems: 1 maxItems instead > + > + detect-gpios: > + maxItems: 1 > + > + i2c-parent: > + maxItems: 1 Where is the type defined? Why this has maxItems? Is it an array? > + > +required: > + - compatible > + - '#address-cells' > + - '#size-cells' > + - interrupts-extended > + - detect-gpios > + - i2c-parent > + > +unevaluatedProperties: false Without any $ref, this should be additionalProperties: false. > + > +examples: > + - | > + /* > + * Asus Transformers use I2C hotplug for attachable dock keyboard > + */ > + #include > + #include > + > + i2c-dock { > + compatible = "i2c-hotplug-gpio"; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + interrupts-extended = <&gpio 164 IRQ_TYPE_EDGE_BOTH>; > + detect-gpios = <&gpio 164 GPIO_ACTIVE_LOW>; > + > + i2c-parent = <&gen2_i2c>; So do you expect here any children or not? > + }; > +... Best regards, Krzysztof