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 B24B9C7115C for ; Thu, 19 Jun 2025 15:49:18 +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:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YkXww9sJUpK4eRpkxl9oq/GUsxZR8PJrn3+usJdqscU=; b=1v7UJCXUy4Wokr 0GIjVOGX4BEkRyfro6nwhrrqiCJC5fdnj++Zgc/fK4wVwNrJbyCY1m7SeLT7lS56vzXLAi5DVaIH1 5CYBrERFoB1LJHhjeE3tbC6eZLB4T8q4wCyvR5kea9F9vAjcmd7L6K1Dws5IA9Xl7dz20F6VQylAD VIIOP5bclRKs3NoouOu90w+EqkSJ12YnbWsd3JoB1icS1tkhjVQyas2wmmlL1NF9JGWh/rlTHT4pk yFcZ6rk81ysQouzIRhYnaILEQLHxIEmvYL3tThQySWH8LPPewMeUlqOsWewXxTN7ehjuJHEpkzY1b KJowEXp27VMZ6hm/WuQQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uSHVo-0000000DY4P-2E7Z; Thu, 19 Jun 2025 15:49:12 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uSF4K-0000000D8AX-3TU0; Thu, 19 Jun 2025 13:12:43 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1750338758; bh=eEsDuaaVYbG6SdgmGjOtXyXscZ1m99P7sw8KZSpccLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fscmKQXPbbwSGSEEneS/+OySwZhCxpJJiDAc/WJYEOPz0XjesxeVbJ+QKVHDFlNRY LYIKqDo0Tfykyz1Y2WcLTDrcKUGh3lk/b6z0Tf1BIN7johVlAGDwLDLcGGA23PajCv Zz9ig3tiNsrqA8e0wEmw4QuE6/Rfni1LPbAj/tjRw508npv9vsKGJ8Ptbfp3+i6FgI +C30I87DIGFNyJAoYjSZC+WevzS/gttIdWUzqPdYNqUiJBIOZBnL2CI/27MTXt7G/y NcpJrSUIW4QWxKHEzhuW2Qt3J2UDlhpecNJJjIiXf7M/QXF0Vr8ZGMV3XtyejCuPrR NLlMF0zJ9wMNg== Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:ba4e:a6e2:6d63:7f02]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by bali.collaboradmins.com (Postfix) with ESMTPSA id 3BEF317E0863; Thu, 19 Jun 2025 15:12:38 +0200 (CEST) From: Benjamin Gaignard To: joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, nicolas.dufresne@collabora.com, jgg@ziepe.ca Cc: iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v3 2/5] dt-bindings: iommu: verisilicon: Add binding for VSI IOMMU Date: Thu, 19 Jun 2025 15:12:23 +0200 Message-ID: <20250619131232.69208-3-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250619131232.69208-1-benjamin.gaignard@collabora.com> References: <20250619131232.69208-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250619_061241_021185_7A0BB9DB X-CRM114-Status: GOOD ( 12.49 ) 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 Add a device tree binding for the Verisilicon (VSI) IOMMU. This IOMMU sits in front of hardware encoder and decoder blocks on SoCs using Verisilicon IP, such as the Rockchip RK3588. Signed-off-by: Benjamin Gaignard --- changes in version 3: - Change compatible to "rockchip,rk3588-iommu-1.2" - Fix compatible in .yaml .../bindings/iommu/verisilicon,iommu.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml diff --git a/Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml b/Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml new file mode 100644 index 000000000000..8d0b0658ed8b --- /dev/null +++ b/Documentation/devicetree/bindings/iommu/verisilicon,iommu.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iommu/verisilicon,iommu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Verisilicon IOMMU + +maintainers: + - Benjamin Gaignard + +description: |+ + A Versilicon iommu translates io virtual addresses to physical addresses for + its associated video decoder. + +properties: + compatible: + items: + - const: verisilicon,iommu + - const: rockchip,rk3588-iommu-1.2 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Core clock + - description: Interface clock + + clock-names: + items: + - const: core + - const: iface + + "#iommu-cells": + const: 0 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - "#iommu-cells" + +additionalProperties: false + +examples: + - | + #include + #include + + bus { + #address-cells = <2>; + #size-cells = <2>; + + iommu@fdca0000 { + compatible = "verisilicon,iommu","rockchip,rk3588-iommu-1.2"; + reg = <0x0 0xfdca0000 0x0 0x600>; + interrupts = ; + clocks = <&cru ACLK_AV1>, <&cru PCLK_AV1>; + clock-names = "core", "iface"; + #iommu-cells = <0>; + }; + }; -- 2.43.0 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip