From nobody Mon Dec 1 22:03:19 2025 Received: from smtpbg151.qq.com (smtpbg151.qq.com [18.169.211.239]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B53B82D29C3; Fri, 28 Nov 2025 07:13:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.169.211.239 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764314023; cv=none; b=pqV77rYAOro2tayMDoLHoaUtS6XAlUTJ1EJGH46ilpB3UybftigEp+65Bam8L+i+l4YvcoxQfxZBbtK6KGD92sy5VM0zHyXhyXdJ+Zdxz9NHErc1zq84DLv26LbHpbQ3N7eK0fmwQ/HSvVfuX+WcAOSP7VIX8u7jSLj2uqHsFBg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764314023; c=relaxed/simple; bh=z5IYYD2iKeBiEBmaHaDXbK7g31OzfjRBlEiS3Ct/UuU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=U0yhAsGMlGHksBu+feB6/k2LEcQz2NX03iJpwOSSYcL4xqyYjitvW6YOh7FSyZQdO3WZZ9XvzoDxvV1mYu+3bxwR2KMXkdFfrvCHQYbaXDnSFVSThUeeoakV1kD8n6xINMQ8F+p+cGCnAS7v/1kAExWVEZbm+vwxVikJIErToaA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=airkyi.com; spf=pass smtp.mailfrom=airkyi.com; dkim=pass (1024-bit key) header.d=airkyi.com header.i=@airkyi.com header.b=ulZdl1A4; arc=none smtp.client-ip=18.169.211.239 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=airkyi.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=airkyi.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=airkyi.com header.i=@airkyi.com header.b="ulZdl1A4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1764314013; bh=fb8KGAEKVYZnPu6e+o9GR6NcQ9hYiKO7SzU59n9Pv4A=; h=From:To:Subject:Date:Message-Id; b=ulZdl1A4ynSuClAWr8Ybm4mGNg/cPAviwKYV6JLOThJ2LMfBfAXm2n4qpd2S9qXRf h/Mycw171E283oZxjKZFNRbsjWx5hZPKwhU6o6ylNBvsjCvbgCvyP4Dxq1JBVBnpzb 1t7KzSrRSeRAz/yWQoiZc61E3/WSwPpNlivYcURs= X-QQ-mid: zesmtpsz7t1764314009t30004287 X-QQ-Originating-IP: cthJK7YnRP6ioMEHxol02BgS/hX9CBmdVTpAFbkHym0= Received: from DESKTOP-8BT1A2O.localdomain ( [58.22.7.114]) by bizesmtp.qq.com (ESMTP) with id ; Fri, 28 Nov 2025 15:13:28 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 2606932567877476135 From: Chaoyi Chen To: Joerg Roedel , Will Deacon , Robin Murphy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Chaoyi Chen Subject: [PATCH v2 1/2] dt-bindings: iommu: rockchip: Add support for multiple interface clocks Date: Fri, 28 Nov 2025 15:13:21 +0800 Message-Id: <20251128071322.92-2-kernel@airkyi.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20251128071322.92-1-kernel@airkyi.com> References: <20251128071322.92-1-kernel@airkyi.com> X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:airkyi.com:qybglogicsvrgz:qybglogicsvrgz6b-0 X-QQ-XMAILINFO: NDRJhlKLIrRL+NIQ68Wi+BbDUsNpwwwK8eC4uNFSvLc+px6ZKlQZM4qp S32A56/YpxBBE9l9KzR0xA7K23u8Ir0uSgTKf7X1IQeWYOJdhQQEohUkVatRGx7IDL3jMIA eGUoodcrho/PjlRIBYuC5nk/nJVuE5h0zhigvZqnUOi5xHqbVf9OUpBtpR9g2zpm8JG98i2 12+COZtN8t3iK4r8euu9ji3jEYcmsN9I1ME8sOSuUu8CCOi3zvKQ34veP2Ji4HHaQUlD5Ct zdJz/AJmBfiqcYUATAm3wP737o7Ybfe+3LYGTh7UgaudOMB05sSDI0N3eUuxjiTmIPajF6M TfT81UOxWmH2cbsU6IMTZJvvdzGFCHrptaiH3v2bavAsRcq1XiY8GH1K1vljVaFH04Gr/Dk qxWO1lsn4nXV4TR03coPh3kPCqKnY6pcSA4TSfI6AM3WY7o5RUupcYZBsKI2zwHH0QVERYR FQ8KSNN0TL6QjA2+KW58lMWKJsJpWaWAXS0oXO50bpG07yn0ZQ/vc0CTa6XVH/mSM6mhENV UxMHkW4lZwmzNpWfiOG3S8aXwnQH0bvMZbol6JdNXo06kG845tyG/ljWuZdpWjXCXE+fZLN sDS1VVCstUWw1VxxCK0RDLrROLjkUQ5O0N9Xjg9zFHNNQdbfiMNQFnynzI33nxXZy1znrXA PL+6D8w2FUWROGWfx0nCT0EBrC2IFSsoZNU0dPIJ79jDib9VCsMh0Htd49095yeZ0+dbaV1 PYbSP2azZwkkSoGgR0cDqwZe7s2w3KU1sbV6be7fe3OWu0IFwYGJN30vLk7LdQ+3Aim6lFm 4fYUJTkJZTQIMxo0T//Wriy08rUiaVOlx6YeUVqlOQYXVF5YUneLkvgbWkrEkmywagygcCZ 3lC9gwMwYMq10YV15Pjcz8oPWIgPgjFmiWejpcJwBJ/ShjII02bU7Nm/fNjx/6zvPTp2Ba7 G8X+8f1PNhlr6h0kk2QnECqshnbrk87Yxom5JibuIn8td1zJPQ81jc1bm4//1g0gj1w4= X-QQ-XMRINFO: M/715EihBoGSf6IYSX1iLFg= X-QQ-RECHKSPAM: 0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Chaoyi Chen The iommu found on RK3576 NPU and RK3576 RKVDEC have 4 clock instead of 2 clock. Their clock names might differ, but I don't think that matters much. Add support for them. Signed-off-by: Chaoyi Chen --- Changes in v2: - Rewrite dt binding. .../bindings/iommu/rockchip,iommu.yaml | 52 ++++++++++++++++--- 1 file changed, 46 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml b/= Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml index 6ce41d11ff5e..dfa5e25476d9 100644 --- a/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml +++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml @@ -27,6 +27,8 @@ properties: - enum: - rockchip,rk3576-iommu - rockchip,rk3588-iommu + - rockchip,rk3576-npu-iommu + - rockchip,rk3576-rkvdec-iommu - const: rockchip,rk3568-iommu =20 reg: @@ -42,14 +44,12 @@ properties: minItems: 1 =20 clocks: - items: - - description: Core clock - - description: Interface clock + minItems: 2 + maxItems: 4 =20 clock-names: - items: - - const: aclk - - const: iface + minItems: 2 + maxItems: 4 =20 "#iommu-cells": const: 0 @@ -64,6 +64,46 @@ properties: Some mmu instances may produce unexpected results when the reset operation is used. =20 +allOf: + - if: + properties: + compatible: + contains: + enum: + - rockchip,rk3576-npu-iommu + - rockchip,rk3576-rkvdec-iommu + then: + properties: + clocks: + minItems: 4 + clock-names: + minItems: 4 + - if: + properties: + compatible: + items: + - const: rockchip,iommu + - const: rockchip,rk3568-iommu + then: + properties: + clocks: + maxItems: 2 + clock-names: + maxItems: 2 + - if: + properties: + compatible: + contains: + enum: + - rockchip,rk3576-iommu + - rockchip,rk3588-iommu + then: + properties: + clocks: + maxItems: 2 + clock-names: + maxItems: 2 + required: - compatible - reg --=20 2.51.1