From nobody Tue Oct 7 01:58:31 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 108AA2E7F03 for ; Wed, 16 Jul 2025 05:40:28 +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=1752644431; cv=none; b=mDs5kj7w0Hi2Xxv88TQkiNRhLj4O7Y9ArlqofNv8myOxne+PpIyFFBtBKHxb23D4VMGdORCER/opCqARkZJB/k4PG4JSCjfwBldF8+bx9Je+jBY0QR3pwBkqIweXQnFUzZmkBF0QEcfF+n3bDrbUHFGA9sy7auh38LUSxtFrl3U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752644431; c=relaxed/simple; bh=iJEcfFsiWJ1V9+dLXeuoWVpKyPfbNwN8bvVTcoioenc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=hba6geyiH020S5+0NfKKCgHt+tvX7UqeYAP1PDqsmDgh2k0Ggf8LMYuAwtZLrmmhCWN5jR4NddRl5GRdnEiJiLpoDyJskmQ1mLGqOorNbvNiAexiZRjExEoqux6tKOsM2QYgY7NEBgPsVwfGuXeFvpzNNP3O2Fyk9fzfH8L9kZ8= 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=UHTXDR/l; 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="UHTXDR/l" Received: by mta-65-227.siemens.flowmailer.net with ESMTPSA id 202507160540269d1cb78549a36bcb56 for ; Wed, 16 Jul 2025 07:40:27 +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=UHTXDR/lo6c3N/s9zGSi5oFn4dbIwlE9qqHyC0FRBTE+cqBGgX9YAmsckdz6lhTaUjVyg/ bxujAJ6Rz9zynmeNy3nhU2axk3zgdin6GUfrmJckK0e1CV7MUYq5FQxNRtxUuXsikqmTZtlj spy2vdhL9urTpkW3sdBm3HDmY9JZ9NqeoQIqX9HZ+K8rXRFxVysJ2FcVRcrkcXt2p1Kbyryb 085Ry3mx95vezyVPobl2NW+UrFmWHC718nSg+Flw23DzPaarczFn6Yct/MpMpu2tVytUK1YJ XDelbaVf6q3MUSZa3dTKKR7xPpD/6tVfl3A3skZsE6CQy4mEzb/lkyvQ==; 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 (RESEND) 1/7] dt-bindings: soc: ti: Add AM65 peripheral virtualization unit Date: Wed, 16 Jul 2025 13:39:44 +0800 Message-Id: <20250716053950.199079-2-huaqian.li@siemens.com> In-Reply-To: <20250716053950.199079-1-huaqian.li@siemens.com> References: <20250716053950.199079-1-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