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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 1CBE0D116E2 for ; Mon, 1 Dec 2025 07:55:30 +0000 (UTC) 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:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=6E8rd9BO7WZ0uk99pp+HEIhEPUHlAdc21oO8FkWW8dY=; b=wZMOZepRRn46XS lzEaj6cOhhbNkRcqrgtULT0GsRgUo2q5UsdbzwB271Wq7Pk4uooWckzJYHFxqFDjdLGqDe4vaLLRD FRpKoB8hjk6y5nUOjTrQAia5VyHuUtJTk+4AwfAsWnhSsjvX/X9kv/7EQoNAqjcsxEgqrax8Ie5zy UTQ+qCHBJi+WtQ6n1IrlGbaHa5EFx/SIdGAaT5/TanGhMzt+bpyTI3ED9eNGoK0crc+77S99wHv8m PTILkxZ0Vhy8N5MQg00tWFN33xWkrVpXsxriuCb1hLSphGFpl/LZk2cguzBv5VUtUZflUp/Xe0Bcb c5binIgaaz4/6COAS0Kg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vPykh-000000035HM-25u2; Mon, 01 Dec 2025 07:55:19 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vPykf-000000035GZ-1FCA; Mon, 01 Dec 2025 07:55:18 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id B33BA442A2; Mon, 1 Dec 2025 07:55:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89030C4CEF1; Mon, 1 Dec 2025 07:55:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764575716; bh=zB0YrIsUPAF0oMEsIaRA6jehcKRrv70UrEe+PTfX6XE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=pdAAQtBGH0WFXjUAGOWhOMOETY9IXsw2wovh8yzXHafwSwa2HdwFT0slRWNag/wp5 Rk192+SAtSiK8JxyvD2J8S4ug/5wmY8Dp6Ff/g53y7GZtQcNbPkO9VR1NMEtWQ9KMO aH8FTgEENN2XZcN+47zaYay+YlzRx7M1mlX6k4P1/dRtWMS1oDOfZZZR9/YFURYC4S HIzC5O39zDnUgedBoGS0wsbQFu3paVlJoXKewt3ppBNpeZ4taC5s53VSKr6R2MP5wT 5KuM7IaCN/0FrSR6IfTdMbRmiAcjDd9tJX5o3sGb/Php1ZdgwDK4Y+MCPLaEx4EoOz 664sHnrSCGBaw== Message-ID: <96958186-0e46-4606-ae36-239112eb31ea@kernel.org> Date: Mon, 1 Dec 2025 08:55:11 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] dt-bindings: iommu: rockchip: Add support for multiple interface clocks To: Chaoyi Chen , 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 References: <20251128071322.92-1-kernel@airkyi.com> <20251128071322.92-2-kernel@airkyi.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJoF1BKBQkWlnSaAAoJEBuTQ307 QWKbHukP/3t4tRp/bvDnxJfmNdNVn0gv9ep3L39IntPalBFwRKytqeQkzAju0whYWg+R/rwp +r2I1Fzwt7+PTjsnMFlh1AZxGDmP5MFkzVsMnfX1lGiXhYSOMP97XL6R1QSXxaWOpGNCDaUl ajorB0lJDcC0q3xAdwzRConxYVhlgmTrRiD8oLlSCD5baEAt5Zw17UTNDnDGmZQKR0fqLpWy 786Lm5OScb7DjEgcA2PRm17st4UQ1kF0rQHokVaotxRM74PPDB8bCsunlghJl1DRK9s1aSuN hL1Pv9VD8b4dFNvCo7b4hfAANPU67W40AaaGZ3UAfmw+1MYyo4QuAZGKzaP2ukbdCD/DYnqi tJy88XqWtyb4UQWKNoQqGKzlYXdKsldYqrLHGoMvj1UN9XcRtXHST/IaLn72o7j7/h/Ac5EL 8lSUVIG4TYn59NyxxAXa07Wi6zjVL1U11fTnFmE29ALYQEXKBI3KUO1A3p4sQWzU7uRmbuxn naUmm8RbpMcOfa9JjlXCLmQ5IP7Rr5tYZUCkZz08LIfF8UMXwH7OOEX87Y++EkAB+pzKZNNd hwoXulTAgjSy+OiaLtuCys9VdXLZ3Zy314azaCU3BoWgaMV0eAW/+gprWMXQM1lrlzvwlD/k whyy9wGf0AEPpLssLVt9VVxNjo6BIkt6d1pMg6mHsUEVzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmgXUF8FCRaWWyoACgkQG5NDfTtBYptO0w//dlXJs5/42hAXKsk+PDg3wyEFb4NpyA1v qmx7SfAzk9Hf6lWwU1O6AbqNMbh6PjEwadKUk1m04S7EjdQLsj/MBSgoQtCT3MDmWUUtHZd5 RYIPnPq3WVB47GtuO6/u375tsxhtf7vt95QSYJwCB+ZUgo4T+FV4hquZ4AsRkbgavtIzQisg Dgv76tnEv3YHV8Jn9mi/Bu0FURF+5kpdMfgo1sq6RXNQ//TVf8yFgRtTUdXxW/qHjlYURrm2 H4kutobVEIxiyu6m05q3e9eZB/TaMMNVORx+1kM3j7f0rwtEYUFzY1ygQfpcMDPl7pRYoJjB dSsm0ZuzDaCwaxg2t8hqQJBzJCezTOIkjHUsWAK+tEbU4Z4SnNpCyM3fBqsgYdJxjyC/tWVT AQ18NRLtPw7tK1rdcwCl0GFQHwSwk5pDpz1NH40e6lU+NcXSeiqkDDRkHlftKPV/dV+lQXiu jWt87ecuHlpL3uuQ0ZZNWqHgZoQLXoqC2ZV5KrtKWb/jyiFX/sxSrodALf0zf+tfHv0FZWT2 zHjUqd0t4njD/UOsuIMOQn4Ig0SdivYPfZukb5cdasKJukG1NOpbW7yRNivaCnfZz6dTawXw XRIV/KDsHQiyVxKvN73bThKhONkcX2LWuD928tAR6XMM2G5ovxLe09vuOzzfTWQDsm++9UKF a/A= In-Reply-To: <20251128071322.92-2-kernel@airkyi.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251130_235517_385100_84FC8C20 X-CRM114-Status: GOOD ( 17.22 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 28/11/2025 08:13, Chaoyi Chen wrote: > 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 > > reg: > @@ -42,14 +44,12 @@ properties: > minItems: 1 > > clocks: > - items: > - - description: Core clock > - - description: Interface clock These go to specific variant if:then. > + minItems: 2 > + maxItems: 4 > > clock-names: > - items: > - - const: aclk > - - const: iface > + minItems: 2 > + maxItems: 4 So you just allow any names, like pink-pony. No, define common list here. Actually same for clocks. > > "#iommu-cells": > const: 0 > @@ -64,6 +64,46 @@ properties: > Some mmu instances may produce unexpected results > when the reset operation is used. > > +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 Why this is unspecific now? Please look at other examples how it is done, e.g. Samsung clocks. Best regards, Krzysztof _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip