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 90AEDC71159 for ; Mon, 16 Jun 2025 17:10:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/mfhpuZOsEfWvVkq0qyPw8WFRq13VDIyMd7/o1FJDzQ=; b=nZp3U5fDZ8KI1Q94eUvWumD34Q Qt3ib0cQtWbs8FhkPDW+HsG9rKKdX0b1nZRU9PpTKxepIVxLJ94lvQS6WecUQQ8wzadqnVSYglmNM /PMw8d6FlGF9UcYDBJ++LxBiRnX5lJoyt13/KQdYOrZA5qGqk0w3JNml+kd+lmLXo+LDLGLpcmmIP EGcZYA2KQkRT/TpY1NdMSmYPUDSguuEgBzrsL7Xq81L4rvOyssOydn8NEm592MUS7oH94N4UoGrKq RcBxE1jZLnHrmwrF5+lWkVl/VfFLj/lLV6wmbm4oBvZME07ExoyMRdAAcDVvqfUYEVWEStdSv2St2 Fz6/Qzww==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uRDLf-000000055Ij-1dLN; Mon, 16 Jun 2025 17:10:19 +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 1uRBFw-00000004lsH-2B9C; Mon, 16 Jun 2025 14:56:19 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1750085774; bh=1qAxktOKxTbmW0PiEUnD73TVhfHHyVm3g/YRGIvKoo0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D/48o0hS+VOof0kZmubcLZBx8xyM7t61KMrnaKhdbnGOiRafcJqLF7/sGQtmXfeq4 HIP9h9bHDfyXRmpAU+JfzXsFu3LneN2/SbH8sC1qeN23JpRjCefjhOutT4xYeEcr5R Ivn4z3126pRTla7dgZXQ6oBgEWcSPvp+hL7ozlablOpdJ5o6uWOVn3jlcqAyCMFtVi d+PjvWUzktDO/wPj/2g0WDENEus0XNvoyvEkjJTRJ3Q8qT2V+BAhbccnUVwTuoWIWU 4sIwoMgQc1mkxHUGBZThb98dPEJ33amd1kshhEXEGEEt6jCxAOCDVPXr7Vd5Yr1aKx arraEZebs9ADw== Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:4811:e81c:4b33:730c]) (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 06DC417E10C7; Mon, 16 Jun 2025 16:56:14 +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, p.zabel@pengutronix.de, mchehab@kernel.org 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, linux-media@vger.kernel.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH 2/5] dt-bindings: iommu: verisilicon: Add binding for VSI IOMMU Date: Mon, 16 Jun 2025 16:55:50 +0200 Message-ID: <20250616145607.116639-3-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250616145607.116639-1-benjamin.gaignard@collabora.com> References: <20250616145607.116639-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250616_075616_741109_7BCF103B X-CRM114-Status: GOOD ( 11.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 --- .../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..acef855fc61d --- /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: + oneOf: + - items: + - const: verisilicon,iommu + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Core clock + - description: Interface clock + + clock-names: + items: + - const: aclk + - 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>; + + vsi_mmu: iommu@fdca0000 { + compatible = "verisilicon,iommu"; + reg = <0x0 0xfdca0000 0x0 0x600>; + interrupts = ; + clocks = <&cru ACLK_AV1>, <&cru PCLK_AV1>; + clock-names = "aclk", "iface"; + #iommu-cells = <0>; + }; + }; -- 2.43.0