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 X-Spam-Level: X-Spam-Status: No, score=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 878AEC47092 for ; Wed, 2 Jun 2021 20:17:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B80F613D8 for ; Wed, 2 Jun 2021 20:17:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229675AbhFBUTH (ORCPT ); Wed, 2 Jun 2021 16:19:07 -0400 Received: from mail-ot1-f47.google.com ([209.85.210.47]:36611 "EHLO mail-ot1-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229467AbhFBUTG (ORCPT ); Wed, 2 Jun 2021 16:19:06 -0400 Received: by mail-ot1-f47.google.com with SMTP id h24-20020a9d64180000b029036edcf8f9a6so3632754otl.3; Wed, 02 Jun 2021 13:17:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=/jmVznYmQTH93X26NjVfXHcldPh3SZGCs6s2/JZMXiE=; b=OrwyWOujqXbyo0Dlic9Lds9TIuTbdYNvqjlbDc6FYNWvK9ytF09HQtq1dXPgff35VW 8bmu3lF+PD3uxjDls2VD8Jzept0hoPE6btR8Z/Tb1RMlRiIknSJCEAAdwl9iMCM6CJW7 JDe2k8IrV6q7mH58V80MEB2z/AVvc3xbjd2+jf9KQwTY5mlt8ytHCbsZi874IhirPNv4 nNibUz8yIXD8Ta08tEUVxaaLpLfU3qJuVzATu3zcBF4xHV1OnI4V464FmT9TBlMlBmQQ G5SZ4lSuTAkKbuUi3llKSirDPOCS91+MlhJJder83jtdBbYOKDQ8YnY1o6zD0jvMEJM7 IssQ== X-Gm-Message-State: AOAM531uFQ24IH4RjzttY4XJY0hcbv1ebhuU+u7j5kCAtIBt05XIU1LU Xyv2Eh6WO4/RWeCp9iKsbg== X-Google-Smtp-Source: ABdhPJyniojfQZIQ5XkjjIwjiuhE4C04qsmxU08698rH3heQFT1ZtGUEhu3qHxE4j9cQaciRdXki9Q== X-Received: by 2002:a9d:5e8c:: with SMTP id f12mr27237550otl.18.1622665042758; Wed, 02 Jun 2021 13:17:22 -0700 (PDT) Received: from robh.at.kernel.org (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id q15sm208624oon.28.2021.06.02.13.17.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 13:17:22 -0700 (PDT) Received: (nullmailer pid 3920332 invoked by uid 1000); Wed, 02 Jun 2021 20:17:20 -0000 Date: Wed, 2 Jun 2021 15:17:20 -0500 From: Rob Herring To: Jamin Lin Cc: Joel Stanley , Andrew Jeffery , Brendan Higgins , Benjamin Herrenschmidt , Rayn Chen , "open list:I2C SUBSYSTEM HOST DRIVERS" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:ARM/ASPEED MACHINE SUPPORT" , "moderated list:ARM/ASPEED MACHINE SUPPORT" , open list , "moderated list:ARM/ASPEED I2C DRIVER" , ryan_chen@aspeedtech.com, chin-ting_kuo@aspeedtech.com, troy_lee@aspeedtech.com, steven_lee@aspeedtech.com Subject: Re: [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt to yaml format Message-ID: <20210602201720.GA3910963@robh.at.kernel.org> References: <20210527102512.20684-1-jamin_lin@aspeedtech.com> <20210527102512.20684-2-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210527102512.20684-2-jamin_lin@aspeedtech.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 27, 2021 at 06:25:05PM +0800, Jamin Lin wrote: > Convert aspeed i2c to yaml. > > Signed-off-by: Jamin Lin > --- > .../devicetree/bindings/i2c/aspeed,i2c.yaml | 86 +++++++++++++++++++ > .../devicetree/bindings/i2c/i2c-aspeed.txt | 49 ----------- > 2 files changed, 86 insertions(+), 49 deletions(-) > create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt > > diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > new file mode 100644 > index 000000000000..1f7064d77708 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > @@ -0,0 +1,86 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device Tree Bindings > + > +maintainers: > + - Rayn Chen > + > +allOf: > + - $ref: /schemas/i2c/i2c-controller.yaml# > + > +properties: > + compatible: > + enum: > + - aspeed,ast2400-i2c-bus > + - aspeed,ast2500-i2c-bus > + - aspeed,ast2600-i2c-bus > + > + "#size-cells": > + const: 0 > + > + "#address-cells": > + const: 1 These 2 are covered by i2c-controller.yaml. > + > + reg: > + minItems: 1 > + maxItems: 2 > + items: > + - description: address offset and range of bus > + - description: address offset and range of bus buffer > + > + interrupts: > + maxItems: 1 > + description: interrupt number Drop. Not a useful description. > + > + clocks: > + maxItems: 1 > + description: > + root clock of bus, should reference the APB > + clock in the second cell > + > + reset: resets > + maxItems: 1 > + description: phandle to reset controller with the reset number in > + the second cell No need to describe the format of 'resets'. > + > + bus-frequency: > + minimum: 500 > + maximum: 4000000 > + default: 100000 > + description: frequency of the bus clock in Hz defaults to 100 kHz when not > + specified > + > + multi-master: > + type: boolean > + description: > + states that there is another master active on this bus > + > +required: > + - reg > + - compatible > + - clocks > + - resets > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include > + i2c0: i2c-bus@40 { > + #address-cells = <1>; > + #size-cells = <0>; > + #interrupt-cells = <1>; > + reg = <0x40 0x40>; > + compatible = "aspeed,ast2500-i2c-bus"; Convention is compatible first in the list of properties. > + clocks = <&syscon ASPEED_CLK_APB>; > + resets = <&syscon ASPEED_RESET_I2C>; > + bus-frequency = <100000>; > + interrupts = <0>; > + interrupt-parent = <&i2c_ic>; > + status = "disabled"; Don't show status in examples especially when disabling disables some validation... > + /* Does not need pinctrl properties */ > + }; 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 X-Spam-Level: X-Spam-Status: No, score=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FB30C47083 for ; Wed, 2 Jun 2021 20:17:49 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6E13D613D7 for ; Wed, 2 Jun 2021 20:17:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E13D613D7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FwL1R0rRBz3022 for ; Thu, 3 Jun 2021 06:17:47 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=209.85.210.45; helo=mail-ot1-f45.google.com; envelope-from=robherring2@gmail.com; receiver=) Received: from mail-ot1-f45.google.com (mail-ot1-f45.google.com [209.85.210.45]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4FwL124Rhjz2yWt; Thu, 3 Jun 2021 06:17:25 +1000 (AEST) Received: by mail-ot1-f45.google.com with SMTP id i12-20020a05683033ecb02903346fa0f74dso3593004otu.10; Wed, 02 Jun 2021 13:17:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=/jmVznYmQTH93X26NjVfXHcldPh3SZGCs6s2/JZMXiE=; b=smw2OwLBdlFGgaJPstOilejhvrJss8RoqNuHHJSStpII/wscEIAsuq9Zmkok958Tq4 UBBjtJAuWbQkQmblG3Y9+y4Y9yUygsWgd0UyC3Ki/e80/jBMvLFLHhmG56yFRJU4IF8M UTRcC2DZmjmUL7YjxWxLBflBl5UAnssPL5n7Hwy5HPv+I/mjNiXNC8UnmVQYjmveybRp qtIcMHlup1ldYB5k0g0Z802UWxx0QsuL2tozDUQ3M36BHC0aJE42Gwq/zYr+ul22vHF2 7cLTiqxNdeGhATaI9lzdXhgLsrutULbFRVatggv3Y9opVwG2iDDcvuB1Us6pr2ZPQExx A3JA== X-Gm-Message-State: AOAM532PK7Y3aEncoiHPdUyQPRyc6xePz9kW72MzeytDUNE+XpmRG63V XDdW1VdK5oSU3bprcLsXZnBiOJmbWw== X-Google-Smtp-Source: ABdhPJyniojfQZIQ5XkjjIwjiuhE4C04qsmxU08698rH3heQFT1ZtGUEhu3qHxE4j9cQaciRdXki9Q== X-Received: by 2002:a9d:5e8c:: with SMTP id f12mr27237550otl.18.1622665042758; Wed, 02 Jun 2021 13:17:22 -0700 (PDT) Received: from robh.at.kernel.org (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id q15sm208624oon.28.2021.06.02.13.17.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 13:17:22 -0700 (PDT) Received: (nullmailer pid 3920332 invoked by uid 1000); Wed, 02 Jun 2021 20:17:20 -0000 Date: Wed, 2 Jun 2021 15:17:20 -0500 From: Rob Herring To: Jamin Lin Subject: Re: [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt to yaml format Message-ID: <20210602201720.GA3910963@robh.at.kernel.org> References: <20210527102512.20684-1-jamin_lin@aspeedtech.com> <20210527102512.20684-2-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210527102512.20684-2-jamin_lin@aspeedtech.com> X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , ryan_chen@aspeedtech.com, "moderated list:ARM/ASPEED MACHINE SUPPORT" , Andrew Jeffery , "moderated list:ARM/ASPEED I2C DRIVER" , troy_lee@aspeedtech.com, Brendan Higgins , open list , Rayn Chen , steven_lee@aspeedtech.com, chin-ting_kuo@aspeedtech.com, "moderated list:ARM/ASPEED MACHINE SUPPORT" , "open list:I2C SUBSYSTEM HOST DRIVERS" Errors-To: openbmc-bounces+openbmc=archiver.kernel.org@lists.ozlabs.org Sender: "openbmc" On Thu, May 27, 2021 at 06:25:05PM +0800, Jamin Lin wrote: > Convert aspeed i2c to yaml. > > Signed-off-by: Jamin Lin > --- > .../devicetree/bindings/i2c/aspeed,i2c.yaml | 86 +++++++++++++++++++ > .../devicetree/bindings/i2c/i2c-aspeed.txt | 49 ----------- > 2 files changed, 86 insertions(+), 49 deletions(-) > create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt > > diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > new file mode 100644 > index 000000000000..1f7064d77708 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > @@ -0,0 +1,86 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device Tree Bindings > + > +maintainers: > + - Rayn Chen > + > +allOf: > + - $ref: /schemas/i2c/i2c-controller.yaml# > + > +properties: > + compatible: > + enum: > + - aspeed,ast2400-i2c-bus > + - aspeed,ast2500-i2c-bus > + - aspeed,ast2600-i2c-bus > + > + "#size-cells": > + const: 0 > + > + "#address-cells": > + const: 1 These 2 are covered by i2c-controller.yaml. > + > + reg: > + minItems: 1 > + maxItems: 2 > + items: > + - description: address offset and range of bus > + - description: address offset and range of bus buffer > + > + interrupts: > + maxItems: 1 > + description: interrupt number Drop. Not a useful description. > + > + clocks: > + maxItems: 1 > + description: > + root clock of bus, should reference the APB > + clock in the second cell > + > + reset: resets > + maxItems: 1 > + description: phandle to reset controller with the reset number in > + the second cell No need to describe the format of 'resets'. > + > + bus-frequency: > + minimum: 500 > + maximum: 4000000 > + default: 100000 > + description: frequency of the bus clock in Hz defaults to 100 kHz when not > + specified > + > + multi-master: > + type: boolean > + description: > + states that there is another master active on this bus > + > +required: > + - reg > + - compatible > + - clocks > + - resets > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include > + i2c0: i2c-bus@40 { > + #address-cells = <1>; > + #size-cells = <0>; > + #interrupt-cells = <1>; > + reg = <0x40 0x40>; > + compatible = "aspeed,ast2500-i2c-bus"; Convention is compatible first in the list of properties. > + clocks = <&syscon ASPEED_CLK_APB>; > + resets = <&syscon ASPEED_RESET_I2C>; > + bus-frequency = <100000>; > + interrupts = <0>; > + interrupt-parent = <&i2c_ic>; > + status = "disabled"; Don't show status in examples especially when disabling disables some validation... > + /* Does not need pinctrl properties */ > + }; 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 X-Spam-Level: X-Spam-Status: No, score=-14.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC60DC4708F for ; Wed, 2 Jun 2021 20:18:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 96169613D7 for ; Wed, 2 Jun 2021 20:18:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 96169613D7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QEheP5MaRFERAVtMUXnMipw84pC9TRdg4pLhVtzz5Gg=; b=2va/i6rFqdyc9i gR2L4HC+At0VBLLtCk8D/ReIvUaMnrSwf80CeLnoSzmKaWfYj81s3XLr59r1zlODYT8TrLnDp0wYo NARjl7CGddGH0bKQV4Q/TGlUQYDliKcwPqyJ/zxCnnMPbJtrpI4dbhMSjiQuvotUIS7LZXDrcVCjr qJuUmH1yvVXopMUFRlO5Z8yXuvZAIVkjA23xiUEECmo5RSoiaI2phgtLHGOFY2DraYEVG09IRgcHh f489smdjHcG9+yTtcNHUZHKh3pDyoRr1SJHVUlw0n8xCwnC7p6BQwYZjy6zDD1Py2JiUxKLK+05wc tLoPg+eyXzdHW0e946ug==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1loXIu-0067uA-3t; Wed, 02 Jun 2021 20:17:28 +0000 Received: from mail-ot1-f50.google.com ([209.85.210.50]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1loXIp-0067qp-Ub for linux-arm-kernel@lists.infradead.org; Wed, 02 Jun 2021 20:17:25 +0000 Received: by mail-ot1-f50.google.com with SMTP id r26-20020a056830121ab02902a5ff1c9b81so3584573otp.11 for ; Wed, 02 Jun 2021 13:17:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=/jmVznYmQTH93X26NjVfXHcldPh3SZGCs6s2/JZMXiE=; b=VQUJo3PdWzzUWfqHHvtazCtZQ8Uiodrey7cSB4GOXWK79Ac0oHA0J79BCVRfbWHeEv +psoUyum6MAT19xB147+l6Uvt9wsTFDo02jXaiGGdhTtbEPa4024bm4KlNf1UYUbyDx8 Gkhrs50ggkq0ibikej/5omTna7Fw7C7Zbsca33GVho8v5wkdeNSqi5mMuPvIltM66mAn I+tGbjNecRSgJVZQghUSZqYRqL+CEatWoHrG8cUPsHjqPF2IbcUfT5fghtCWM/NadFki TiKes6YFXwou2IXdxfvB+pKl74XpfP8KIFRFP0w+H/oh+wpWcgHQTTpyV/pk8qS/krzW hifQ== X-Gm-Message-State: AOAM5300fdxSnFlHvqvLpVjmBZQNLEBvTV3bwh71CoZzAgkwZ7r9G0oT 9kAhvFfqi6C0hpQg5jRbLA== X-Google-Smtp-Source: ABdhPJyniojfQZIQ5XkjjIwjiuhE4C04qsmxU08698rH3heQFT1ZtGUEhu3qHxE4j9cQaciRdXki9Q== X-Received: by 2002:a9d:5e8c:: with SMTP id f12mr27237550otl.18.1622665042758; Wed, 02 Jun 2021 13:17:22 -0700 (PDT) Received: from robh.at.kernel.org (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id q15sm208624oon.28.2021.06.02.13.17.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 13:17:22 -0700 (PDT) Received: (nullmailer pid 3920332 invoked by uid 1000); Wed, 02 Jun 2021 20:17:20 -0000 Date: Wed, 2 Jun 2021 15:17:20 -0500 From: Rob Herring To: Jamin Lin Cc: Joel Stanley , Andrew Jeffery , Brendan Higgins , Benjamin Herrenschmidt , Rayn Chen , "open list:I2C SUBSYSTEM HOST DRIVERS" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "moderated list:ARM/ASPEED MACHINE SUPPORT" , "moderated list:ARM/ASPEED MACHINE SUPPORT" , open list , "moderated list:ARM/ASPEED I2C DRIVER" , ryan_chen@aspeedtech.com, chin-ting_kuo@aspeedtech.com, troy_lee@aspeedtech.com, steven_lee@aspeedtech.com Subject: Re: [PATCH v2 1/1] dt-bindings: aspeed-i2c: Convert txt to yaml format Message-ID: <20210602201720.GA3910963@robh.at.kernel.org> References: <20210527102512.20684-1-jamin_lin@aspeedtech.com> <20210527102512.20684-2-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210527102512.20684-2-jamin_lin@aspeedtech.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210602_131724_037038_C6D11A23 X-CRM114-Status: GOOD ( 23.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, May 27, 2021 at 06:25:05PM +0800, Jamin Lin wrote: > Convert aspeed i2c to yaml. > > Signed-off-by: Jamin Lin > --- > .../devicetree/bindings/i2c/aspeed,i2c.yaml | 86 +++++++++++++++++++ > .../devicetree/bindings/i2c/i2c-aspeed.txt | 49 ----------- > 2 files changed, 86 insertions(+), 49 deletions(-) > create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-aspeed.txt > > diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > new file mode 100644 > index 000000000000..1f7064d77708 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml > @@ -0,0 +1,86 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/aspeed,i2c.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: ASPEED I2C on the AST24XX, AST25XX, and AST26XX SoCs Device Tree Bindings > + > +maintainers: > + - Rayn Chen > + > +allOf: > + - $ref: /schemas/i2c/i2c-controller.yaml# > + > +properties: > + compatible: > + enum: > + - aspeed,ast2400-i2c-bus > + - aspeed,ast2500-i2c-bus > + - aspeed,ast2600-i2c-bus > + > + "#size-cells": > + const: 0 > + > + "#address-cells": > + const: 1 These 2 are covered by i2c-controller.yaml. > + > + reg: > + minItems: 1 > + maxItems: 2 > + items: > + - description: address offset and range of bus > + - description: address offset and range of bus buffer > + > + interrupts: > + maxItems: 1 > + description: interrupt number Drop. Not a useful description. > + > + clocks: > + maxItems: 1 > + description: > + root clock of bus, should reference the APB > + clock in the second cell > + > + reset: resets > + maxItems: 1 > + description: phandle to reset controller with the reset number in > + the second cell No need to describe the format of 'resets'. > + > + bus-frequency: > + minimum: 500 > + maximum: 4000000 > + default: 100000 > + description: frequency of the bus clock in Hz defaults to 100 kHz when not > + specified > + > + multi-master: > + type: boolean > + description: > + states that there is another master active on this bus > + > +required: > + - reg > + - compatible > + - clocks > + - resets > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include > + i2c0: i2c-bus@40 { > + #address-cells = <1>; > + #size-cells = <0>; > + #interrupt-cells = <1>; > + reg = <0x40 0x40>; > + compatible = "aspeed,ast2500-i2c-bus"; Convention is compatible first in the list of properties. > + clocks = <&syscon ASPEED_CLK_APB>; > + resets = <&syscon ASPEED_RESET_I2C>; > + bus-frequency = <100000>; > + interrupts = <0>; > + interrupt-parent = <&i2c_ic>; > + status = "disabled"; Don't show status in examples especially when disabling disables some validation... > + /* Does not need pinctrl properties */ > + }; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel