From nobody Tue Oct 7 02:15:47 2025 Received: from mta-65-227.siemens.flowmailer.net (mta-65-227.siemens.flowmailer.net [185.136.65.227]) (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 CACE9246BD7 for ; Wed, 16 Jul 2025 05:11:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.136.65.227 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752642669; cv=none; b=lQlzh16xOYEBsHQYFe0UqL0ulYJI7e1Vw6mOazM5tQuy8fPZcpsKVkdBC+Kt9wNASc1YDPQj0X7IWTYJ4QuUgaeSigQRU/DML4DPnBOTwR36/E2jz4mTd9RqU+qhQZUig7uluSMMzvTnwf2H5kLEQQ84CX4TYjFvX47irAmJNlA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752642669; c=relaxed/simple; bh=iJEcfFsiWJ1V9+dLXeuoWVpKyPfbNwN8bvVTcoioenc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=NOZt6YAH80WWRFImCT5romKY9J/1Dbxy186BBOMRqShvLj74NxFvi9fznEAKyReZdIASWo8pOCjl4BgXJtDHK0N4Ubz76YVl/kX1WtrZle2HQg+ivI41wWSr04A3JVD63YrlXQS3/0JgIPQlLQCARNiDY4LWVG4Cbe/tGvp1QoQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com; dkim=pass (2048-bit key) header.d=siemens.com header.i=huaqian.li@siemens.com header.b=boHpzFKP; arc=none smtp.client-ip=185.136.65.227 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=siemens.com header.i=huaqian.li@siemens.com header.b="boHpzFKP" Received: by mta-65-227.siemens.flowmailer.net with ESMTPSA id 202507160511039a902554b2bfb0a4b6 for ; Wed, 16 Jul 2025 07:11:03 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm1; d=siemens.com; i=huaqian.li@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc:References:In-Reply-To; bh=oH4biYNRIXbUPcZJxbqF385p1W7crfHf3KjlM5z89+Q=; b=boHpzFKPjI/QwcezRqg7XNZkDTmoG0kPBkyLbWqXC/C8+1bD5yGJDmLHLQns8NTpVNil2o uaU05s3jQ4IP4gXJVggPCdQj5WyFYqNSw4jk3kIyBJ9g2BgqGOlMpRnS7ki3SGqcw/57bcle bapyZmObYxA+QWLce2K0seOTsYQraj9W9wAhMLKFYNS7XjADDNuIa3wiMMqIZtHTWIOwlYpy CwbKe8Xqehq3uPabDOD9Aa3d0N9GylYXTMCVO+22V+C4Q9urBS6M+/1bpxxKZEaoFaLyuIJ1 5FbkXLfye13hyETtrGNCErrHfrqdgeNgkhg1+mTY4zG7W0ZVw3CO8QMw==; From: huaqian.li@siemens.com To: s-vadapalli@ti.com Cc: baocheng.su@siemens.com, bhelgaas@google.com, conor+dt@kernel.org, devicetree@vger.kernel.org, diogo.ivo@siemens.com, helgaas@kernel.org, huaqian.li@siemens.com, jan.kiszka@siemens.com, kristo@kernel.org, krzk+dt@kernel.org, kw@linux.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, lpieralisi@kernel.org, nm@ti.com, robh@kernel.org, ssantosh@kernel.org, vigneshr@ti.com, Krzysztof Kozlowski Subject: [PATCH v9 1/7] dt-bindings: soc: ti: Add AM65 peripheral virtualization unit Date: Wed, 16 Jul 2025 13:10:29 +0800 Message-Id: <20250716051035.170988-2-huaqian.li@siemens.com> In-Reply-To: <20250716051035.170988-1-huaqian.li@siemens.com> References: <20250716051035.170988-1-huaqian.li@siemens.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-959203:519-21489:flowmailer Content-Type: text/plain; charset="utf-8" From: Jan Kiszka The PVU allows to define a limited set of mappings for incoming DMA requests to the system memory. It is not a real IOMMU, thus hooked up under the TI SoC bindings. Signed-off-by: Jan Kiszka Reviewed-by: Krzysztof Kozlowski Signed-off-by: Li Hua Qian --- .../bindings/soc/ti/ti,am654-pvu.yaml | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/ti/ti,am654-pvu.y= aml diff --git a/Documentation/devicetree/bindings/soc/ti/ti,am654-pvu.yaml b/D= ocumentation/devicetree/bindings/soc/ti/ti,am654-pvu.yaml new file mode 100644 index 000000000000..e4a5fc47d674 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/ti/ti,am654-pvu.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) Siemens AG, 2024 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/ti/ti,am654-pvu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI AM654 Peripheral Virtualization Unit + +maintainers: + - Jan Kiszka + +properties: + compatible: + enum: + - ti,am654-pvu + + reg: + maxItems: 2 + + reg-names: + items: + - const: cfg + - const: tlbif + + interrupts: + items: + - description: fault interrupt + + interrupt-names: + items: + - const: pvu + +required: + - compatible + - reg + - interrupts + - interrupt-names + +additionalProperties: false + +examples: + - | + iommu@30f80000 { + compatible =3D "ti,am654-pvu"; + reg =3D <0x30f80000 0x1000>, + <0x36000000 0x100000>; + reg-names =3D "cfg", "tlbif"; + interrupts-extended =3D <&intr_main_navss 390>; + interrupt-names =3D "pvu"; + }; --=20 2.34.1