From nobody Fri Dec 19 07:26:10 2025 Received: from mta-64-225.siemens.flowmailer.net (mta-64-225.siemens.flowmailer.net [185.136.64.225]) (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 926201AB533 for ; Wed, 28 Aug 2024 18:01:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.136.64.225 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724868092; cv=none; b=pq4mhXub2XRxR66xsTIRmAwxaeigjzC3TJZ52u1kZFCblssSrHYkZ8HaOt9cJga02g7xwpyW8OcAymxzhRDbqNwYTXkS5ujq0+0phWSvdoWe+fB+VnboeSh+Bx/AtB3WpkHfat0840fijYJMs/jvGbpBag7TLqc7HAm5CuqEv2k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724868092; c=relaxed/simple; bh=TMvHQXMuHR+Dm38Xan8FX/o/wdiiupL2lSsmmQyc2qU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KJ56vvWnghHhQS+RZ/ooRy+TPrhTqVCkTlMV9a8/2TCLyTFWYxXOYIEc4XGNvV3YbEeW9DrFEUZENDeZnn8ZSgtO1zs90qA+DNUzkxz1DL21mkbp63xm6Ce620lwZPH1tVOWECNV6X+DIzoDzbu2CvU+bNd8hForBxq5jO6I+Ds= 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=jan.kiszka@siemens.com header.b=LkzBHY2W; arc=none smtp.client-ip=185.136.64.225 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=jan.kiszka@siemens.com header.b="LkzBHY2W" Received: by mta-64-225.siemens.flowmailer.net with ESMTPSA id 20240828180122141d68be721d926487 for ; Wed, 28 Aug 2024 20:01:22 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm1; d=siemens.com; i=jan.kiszka@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc:References:In-Reply-To; bh=1DQ6+e1yNgx7fPFXiME9GGedSD4AIhzkiP5atR2A8jg=; b=LkzBHY2WZptHIBguBm28xT56FIz0X2QId2s+vE+EL1hr1OWWTyNA8TNkCK1kM9aWLMbEDN UvjLCw9ZdMjYZyFD6grtHcFNlA+A1TpvX27lW09OoMzZDKVBsjdmPlcf1tpTNggBo3vMWc7r zDhefWT4Vr6kFxlYlPJ0x5XUkjvcVDrnjJVxi/osimU5fgmTVLlBksQPALBvFC8PSt5OYh7C api2OsIJxPDq7bMf4dmWvasUhBg5IzoUCU6tfZFna3GazBWHW+l5yj/rDPyc0BDuefrVy9/t QPckoy6bPrK/GCxf0cAhFvt0At6yisU4lzVVo/HJhbyNSkRM3Qrvifsg==; From: Jan Kiszka To: Nishanth Menon , Santosh Shilimkar , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, Siddharth Vadapalli , Bao Cheng Su , Hua Qian Li , Diogo Ivo Subject: [PATCH v3 1/7] dt-bindings: soc: ti: Add AM65 peripheral virtualization unit Date: Wed, 28 Aug 2024 20:01:14 +0200 Message-ID: In-Reply-To: References: 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: 519:519-294854:519-21489: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 --- .../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 2.43.0