From nobody Fri Dec 19 15:02:54 2025 Received: from mta-65-228.siemens.flowmailer.net (mta-65-228.siemens.flowmailer.net [185.136.65.228]) (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 A711B1990D8 for ; Mon, 26 Aug 2024 17:56:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.136.65.228 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724694981; cv=none; b=V6h6xGRdUGGik3LR+zUfIGC2B/PJrWKAkmQXs7FXOpXn8aO9CNs4cWuOaqEfMwFNSYamUQJvJ7CJCvizTXNBR3mmxYbNK0PuSgk1LrWZf+1cSgl2OqXUsxkAl1grTxvh5TqQKSI0LanlfX9MRrPoaGCqTfitCnkeJtE8A5qJIWA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724694981; c=relaxed/simple; bh=yf12HVZ4t+7Uq8YBI9Q7lRshq/fOZheo3fufzqPXT78=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=N7pPWBAjmueagAL68ezFonz4SvMTuWCiapPeHi+0U8Lc+XNxKVNCqgHBsDPsAk0c5YkkscYW/zmzUZqO/XtFPRDBS7wjPMyBk0bXIBTOT/2tlH/l5NccIn9M63ejOK6FYz8ZKpF5TKl79oYQqqdF9m6B09AM1AYnXdEYOREF1rs= 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=BwVym2FK; arc=none smtp.client-ip=185.136.65.228 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="BwVym2FK" Received: by mta-65-228.siemens.flowmailer.net with ESMTPSA id 20240826175611a5feede63dde98fc36 for ; Mon, 26 Aug 2024 19:56:11 +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=K3qKt60IA+8SMUnwHI81gxuyfVTw/GaObbKMY0sD6g8=; b=BwVym2FKf4NoJWXhih/m0Sd3L3Ikr+o+yfSWKoWnX/ONFGSxaRKHkyIJTTAaxcrD+tAdCE yv+tzWGCBXqBVppbG21kxwzXblJ9dOfDMJItcil1KdNQ8DcNFbiIi8RTc8nTHJx8rv317I8C x7scrumhMEqsWPGpGTz1KwEG40HKe2d0wVM92wLjgjUwX4o7+Df9Fuu1T3Lo4lxreqkuYQMB gzRXWbBgCNS4rPhZWARRyVYwfAotziKOj7fSEsW6FnECGo+B0VeFLukLWGvcTIl7tvA4o1tv XdJRijY8NBFh2f3scuIcG8q+CiDkvcJIkLVFttQge97ulEp/Gqq7Qn4w==; From: Jan Kiszka To: Nishanth Menon , Santosh Shilimkar , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Siddharth Vadapalli , Bao Cheng Su , Hua Qian Li , Diogo Ivo Subject: [PATCH 1/5] dt-bindings: soc: ti: Add AM65 peripheral virtualization unit Date: Mon, 26 Aug 2024 19:56:05 +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 --- .../bindings/soc/ti/ti,am654-pvu.yaml | 48 +++++++++++++++++++ 1 file changed, 48 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..3095db0bef44 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/ti/ti,am654-pvu.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) Siemens AG, 2024 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/ti,am654-pvu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI AM654 Peripheral Virtualization Unit + +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: + - | + ti-pvu@30f80000 { + compatible =3D "ti,am654-pvu"; + reg =3D <0 0x30f80000 0 0x1000>, + <0 0x36000000 0 0x100000>; + reg-names =3D "cfg", "tlbif"; + interrupts-extended =3D <&intr_main_navss 390>; + interrupt-names =3D "pvu"; + }; --=20 2.43.0