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=-8.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_SANE_2 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 725BAC433E7 for ; Tue, 13 Oct 2020 07:53:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13B0F2074A for ; Tue, 13 Oct 2020 07:53:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="SrxHuU98" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390481AbgJMHxX (ORCPT ); Tue, 13 Oct 2020 03:53:23 -0400 Received: from Mailgw01.mediatek.com ([1.203.163.78]:40762 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2390384AbgJMHxW (ORCPT ); Tue, 13 Oct 2020 03:53:22 -0400 X-UUID: 1bc43fa47d6d4977b55a3f99a1ded0d3-20201013 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=DqRT1QzR0Az1H7G9M7+DPOyyJAXgFclekkLZ6dVnoXo=; b=SrxHuU98NW7Ucopy/DZ6FpAQgFmdT/j283ahD0i5iG89EdkjAShRpEb/8qBMwdJZ68ECNxXo/tP4vfGNk2x8chc86qjh0NUWKqE0O3C95hRj2s3sINlfdqPhFhT95ll8wjG6dtspOyOdTkvgOxmLtgJDkIiDeO9aFs+g8dno3fE=; X-UUID: 1bc43fa47d6d4977b55a3f99a1ded0d3-20201013 Received: from mtkcas34.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 491742245; Tue, 13 Oct 2020 15:53:10 +0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS32DR.mediatek.inc (172.27.6.104) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 13 Oct 2020 15:53:08 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 13 Oct 2020 15:53:07 +0800 Message-ID: <1602575587.26323.57.camel@mhfsdcap03> Subject: Re: [PATCH v3 02/24] dt-bindings: memory: mediatek: Convert SMI to DT schema From: Yong Wu To: Krzysztof Kozlowski CC: Rob Herring , Joerg Roedel , Matthias Brugger , Robin Murphy , Will Deacon , Evan Green , Tomasz Figa , , , , "linux-kernel@vger.kernel.org" , , , , Nicolas Boichat , , , , Greg Kroah-Hartman , Date: Tue, 13 Oct 2020 15:53:07 +0800 In-Reply-To: References: <20200930070647.10188-1-yong.wu@mediatek.com> <20200930070647.10188-3-yong.wu@mediatek.com> <20201002110831.GD6888@pi3> <1601958428.26323.26.camel@mhfsdcap03> 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15.0.1497.2 via Frontend Transport; Tue, 13 Oct 2020 15:53:07 +0800 Message-ID: <1602575587.26323.57.camel@mhfsdcap03> Subject: Re: [PATCH v3 02/24] dt-bindings: memory: mediatek: Convert SMI to DT schema From: Yong Wu To: Krzysztof Kozlowski Date: Tue, 13 Oct 2020 15:53:07 +0800 In-Reply-To: References: <20200930070647.10188-1-yong.wu@mediatek.com> <20200930070647.10188-3-yong.wu@mediatek.com> <20201002110831.GD6888@pi3> <1601958428.26323.26.camel@mhfsdcap03> <1602310691.26323.39.camel@mhfsdcap03> <20201012071843.GA1889@pi3> <1602504119.26323.54.camel@mhfsdcap03> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: A35EB6041BCAB07ACFCEAFF35E492E76178322A7338BA766BED6CFFA117BDB422000:8 X-MTK: N Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, kernel-team@android.com, Nicolas Boichat , srv_heupstream@mediatek.com, chao.hao@mediatek.com, Robin Murphy , Greg Kroah-Hartman , "linux-kernel@vger.kernel.org" , Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Rob Herring , linux-mediatek@lists.infradead.org, Matthias Brugger , ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Will Deacon , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Mon, 2020-10-12 at 15:26 +0200, Krzysztof Kozlowski wrote: > On Mon, 12 Oct 2020 at 14:02, Yong Wu wrote: > > > > On Mon, 2020-10-12 at 09:18 +0200, Krzysztof Kozlowski wrote: > > > On Sat, Oct 10, 2020 at 02:18:11PM +0800, Yong Wu wrote: > > > > On Tue, 2020-10-06 at 09:15 +0200, Krzysztof Kozlowski wrote: > > > > > On Tue, 6 Oct 2020 at 06:27, Yong Wu wrote: > > > > > > > > > > > > On Fri, 2020-10-02 at 13:08 +0200, Krzysztof Kozlowski wrote: > > > > > > > On Wed, Sep 30, 2020 at 03:06:25PM +0800, Yong Wu wrote: > > > > > > > > Convert MediaTek SMI to DT schema. > > > > > > > > > > > > > > > > Signed-off-by: Yong Wu > > > > > > > > --- > > > > > > > > .../mediatek,smi-common.txt | 49 --------- > > > > > > > > .../mediatek,smi-common.yaml | 100 ++++++++++++++++++ > > > > > > > > .../memory-controllers/mediatek,smi-larb.txt | 49 --------- > > > > > > > > .../memory-controllers/mediatek,smi-larb.yaml | 91 ++++++++++++++++ > > > > > > > > 4 files changed, 191 insertions(+), 98 deletions(-) > > > > > > > > delete mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt > > > > > > > > create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml > > > > > > > > delete mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt > > > > > > > > create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml > > > > > > ... > > > > > > > > +properties: > > > > > > > > + compatible: > > > > > > > > + oneOf: > > > > > > > > + - enum: > > > > > > > > + - mediatek,mt2701-smi-common > > > > > > > > + - mediatek,mt2712-smi-common > > > > > > > > + - mediatek,mt6779-smi-common > > > > > > > > + - mediatek,mt8173-smi-common > > > > > > > > + - mediatek,mt8183-smi-common > > > > > > > > + > > > > > > > > + - description: for mt7623 > > > > > > > > + items: > > > > > > > > + - const: mediatek,mt7623-smi-common > > > > > > > > + - const: mediatek,mt2701-smi-common > > > > > > > > + > > > > > > > > + reg: > > > > > > > > + maxItems: 1 > > > > > > > > + > > > > > > > > + clocks: > > > > > > > > + description: | > > > > > > > > + apb and smi are mandatory. the async is only for generation 1 smi HW. > > > > > > > > + gals(global async local sync) also is optional, here is the list which > > > > > > > > + require gals: mt6779 and mt8183. > > > > > > > > + minItems: 2 > > > > > > > > + maxItems: 4 > > > > > > > > + items: > > > > > > > > + - description: apb is Advanced Peripheral Bus clock, It's the clock for > > > > > > > > + setting the register. > > > > > > > > + - description: smi is the clock for transfer data and command. > > > > > > > > + - description: async is asynchronous clock, it help transform the smi clock > > > > > > > > + into the emi clock domain. > > > > > > > > + - description: gals0 is the path0 clock of gals. > > > > > > > > + - description: gals1 is the path1 clock of gals. > > > > > > > > + > > > > > > > > + clock-names: > > > > > > > > + oneOf: > > > > > > > > + - items: > > > > > > > > + - const: apb > > > > > > > > + - const: smi > > > > > > > > + - items: > > > > > > > > + - const: apb > > > > > > > > + - const: smi > > > > > > > > + - const: async > > > > > > > > + - items: > > > > > > > > + - const: apb > > > > > > > > + - const: smi > > > > > > > > + - const: gals0 > > > > > > > > + - const: gals1 > > > > > > > > > > > > > > Similarly to my comment to other properties, this requirement per > > > > > > > compatible should be part of the schema within 'if-then'. > > > > > > > > > > > > I'm not so familiar with this format. Do this has "if-then-'else > > > > > > if'-then-else"? > > > > > > > > > > These are mutually exclusive conditions, so you can skip else: > > > > > - if-then > > > > > - if-then > > > > > - if-then > > > > > It will be more readable then stacking 'if' under 'else' > > > > > > > > Thanks. I will use something like this: > > > > > > > > anyOf: > > > > > > Then it should be oneOf as only one condition can be valid. > > > > I did do this at the beginning. But I get a warning log when > > dt_binding_check. > > Mhmm, right, since "if-else" matches in either of arms, then oneOf > will complain as it expects only one of items to match. Then just go > with allOf. anyOf might match zero of items, so it would not catch > actual errors, I think. Thanks for the confirm. I will use "allOf" in next version. > > Best regards, > Krzysztof _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu