From mboxrd@z Thu Jan 1 00:00:00 1970 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 993FE1EA7F8 for ; Tue, 22 Apr 2025 06:14:27 +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=1745302469; cv=none; b=pKUO1IR/WktxMTbeE/MHGk7qpmw8egfi8Y97POH4/7Byz5TDRUZ8Nw7PVl6DKBl+EaWhkqV96rzVxHqfPySzsLvRWvZsWnqFI1b5r9CcWbZZdN0cXDs1iGNKRUluRe9jXc8+bY3AQJkLeih2p2aVucRREKtSQBJNentOEppOHb0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745302469; c=relaxed/simple; bh=iJEcfFsiWJ1V9+dLXeuoWVpKyPfbNwN8bvVTcoioenc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kpf0FxE+E8JjFm9F9wePsMKHU60NxAdjYUuXXwzC0S8kNIMEkkQG58ssEDRMyJQrCx4KYXg5Jc/Z5e7+b97uk20HT9raYuqeN/sDDJINksD/KH69CBEO0fp2B6JOjqkzM2EhQWSuEgiAgCpod9dRaOd7Nx8i5DrHfl7u1o7twVU= 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=T+eIV030; 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=huaqian.li@siemens.com header.b="T+eIV030" Received: by mta-64-225.siemens.flowmailer.net with ESMTPSA id 2025042206142560234e828ec5e6c61e for ; Tue, 22 Apr 2025 08:14:25 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm2; 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=T+eIV030PHK+mAolNV8yJ/S82ap+iegQmvmHbqF+Rgw72g9q6EikKlP2tUG997G48qQGKs xsiilhi5l4kkV/mkQx5DAoY8oevIBldbVrYL7YsVUKkdGQ80vK8kjTF6HSlg9K7zqMB8qXRm V0gCGGwffXyvqDTtSsg8mI5yCygSOrtigUWJ+CPcGnymKY2EVtURHKce4s2o4Y4VItSgmTZ5 F8BgphbUDvQk9gv24CpYVyYBQgZefI+xjLHzEuq53nXMxvQOEUHV0fgL57dcQjNvtqPpAv9d Mg0lTOIaAz3o848hKOFHGohOTrp3t5fnuKCO83iwvn8rsh1dhnLJ/0Dw==; From: huaqian.li@siemens.com To: helgaas@kernel.org Cc: baocheng.su@siemens.com, bhelgaas@google.com, conor+dt@kernel.org, devicetree@vger.kernel.org, diogo.ivo@siemens.com, 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, s-vadapalli@ti.com, ssantosh@kernel.org, vigneshr@ti.com, Krzysztof Kozlowski Subject: [PATCH v8 1/7] dt-bindings: soc: ti: Add AM65 peripheral virtualization unit Date: Tue, 22 Apr 2025 14:14:00 +0800 Message-Id: <20250422061406.112539-2-huaqian.li@siemens.com> In-Reply-To: <20250422061406.112539-1-huaqian.li@siemens.com> References: <20250422061406.112539-1-huaqian.li@siemens.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-959203:519-21489:flowmailer 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.yaml diff --git a/Documentation/devicetree/bindings/soc/ti/ti,am654-pvu.yaml b/Documentation/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 = "ti,am654-pvu"; + reg = <0x30f80000 0x1000>, + <0x36000000 0x100000>; + reg-names = "cfg", "tlbif"; + interrupts-extended = <&intr_main_navss 390>; + interrupt-names = "pvu"; + }; -- 2.34.1