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 83261C7618E for ; Tue, 14 Mar 2023 08:35:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230029AbjCNIf4 (ORCPT ); Tue, 14 Mar 2023 04:35:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229565AbjCNIfy (ORCPT ); Tue, 14 Mar 2023 04:35:54 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C13346773F; Tue, 14 Mar 2023 01:35:52 -0700 (PDT) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id 2AC9324E1FF; Tue, 14 Mar 2023 16:35:50 +0800 (CST) Received: from EXMBX168.cuchost.com (172.16.6.78) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 14 Mar 2023 16:35:50 +0800 Received: from localhost.localdomain (113.72.145.194) by EXMBX168.cuchost.com (172.16.6.78) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 14 Mar 2023 16:35:49 +0800 From: Walker Chen To: Eugeniy Paltsev , Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Palmer Dabbelt , "Emil Renner Berthing" , Walker Chen CC: , , , Subject: [PATCH v5 1/3] dt-bindings: dma: snps,dw-axi-dmac: constrain the items of resets for JH7110 dma Date: Tue, 14 Mar 2023 16:35:35 +0800 Message-ID: <20230314083537.22571-2-walker.chen@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230314083537.22571-1-walker.chen@starfivetech.com> References: <20230314083537.22571-1-walker.chen@starfivetech.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [113.72.145.194] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX168.cuchost.com (172.16.6.78) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The DMA controller needs two reset items to work properly on JH7110 SoC, so there is need to constrain the items' value to 2, other platforms have 1 reset item at most. Signed-off-by: Walker Chen --- .../bindings/dma/snps,dw-axi-dmac.yaml | 23 ++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml index 5c81194e2300..363cf8bd150d 100644 --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml @@ -20,6 +20,7 @@ properties: enum: - snps,axi-dma-1.01a - intel,kmb-axi-dma + - starfive,jh7110-axi-dma reg: minItems: 1 @@ -58,7 +59,8 @@ properties: maximum: 8 resets: - maxItems: 1 + minItems: 1 + maxItems: 2 snps,dma-masters: description: | @@ -109,6 +111,25 @@ required: - snps,priority - snps,block-size +if: + properties: + compatible: + contains: + enum: + - starfive,jh7110-axi-dma +then: + properties: + resets: + minItems: 2 + items: + - description: AXI reset line + - description: AHB reset line + - description: module reset +else: + properties: + resets: + maxItems: 1 + additionalProperties: false examples: -- 2.17.1