From nobody Fri Oct 3 11:22:53 2025 Received: from lelvem-ot02.ext.ti.com (lelvem-ot02.ext.ti.com [198.47.23.235]) (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 6D26F2E9EC1; Tue, 2 Sep 2025 09:08:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.235 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756804125; cv=none; b=UZ+0kTWq6nhqNwnYS3Gu/06LXxTSkzsUlmwvl6W27WQyulexxcbX7n7ZXSvG1VA99aeVaQGWfcdkU+2cqD+mNREIN80i4b48SuPz7QVEaA3BESJmFAlBthAPMbOoFfOwOHCBYmsDQGAuMLNmHXFhdREndD28aCfggTTBvAb1y7M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756804125; c=relaxed/simple; bh=kyQFTx98tC24dTOZYa1lY1ArgSMKDfbMRwXbfxfRlMA=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fh8ELhxm9Chc921bTBZp0Yv0kI1Gkd3+ny6HF1hD0BgUfvB8QR7wB69UffCe4AfovxScEzzAly/QFHaXDj8Xn120+Z9IftMt3JO3D02C/XvmbUuHdqSaZNg1V+MSulq++PMwKN9UBYbTe3rj/IxRX37vfuYPjI8XPRxh+sCWVHg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=ycTw6eUy; arc=none smtp.client-ip=198.47.23.235 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="ycTw6eUy" Received: from lelvem-sh02.itg.ti.com ([10.180.78.226]) by lelvem-ot02.ext.ti.com (8.15.2/8.15.2) with ESMTP id 58297rtT2987826; Tue, 2 Sep 2025 04:07:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1756804073; bh=OxLiY9VXwmW64brotYTwmn0HZmpUyP4jQLvqjXxfH1s=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ycTw6eUyDwd9cRZQkw8mSlrcUh76XL7nT5H29Uznigoe+EA3bxRLnYvvm12jaM3o7 1JJSzJTnpcBgoKfAbeEeviSaqrIfuD+KcsC7vqSDrGisfUdWTQ/rEHjxkOim1phG8j mbLoMHlbA2n2Fv0zbIuq0wbCfTHoXOCFNjqpsLGU= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by lelvem-sh02.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 58297rbQ2729543 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Tue, 2 Sep 2025 04:07:53 -0500 Received: from DLEE102.ent.ti.com (157.170.170.32) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55; Tue, 2 Sep 2025 04:07:51 -0500 Received: from fllvem-mr08.itg.ti.com (10.64.41.88) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55 via Frontend Transport; Tue, 2 Sep 2025 04:07:51 -0500 Received: from lelv0854.itg.ti.com (lelv0854.itg.ti.com [10.181.64.140]) by fllvem-mr08.itg.ti.com (8.18.1/8.18.1) with ESMTP id 58297p561001497; Tue, 2 Sep 2025 04:07:51 -0500 Received: from localhost (danish-tpc.dhcp.ti.com [172.24.231.152]) by lelv0854.itg.ti.com (8.14.7/8.14.7) with ESMTP id 58297ofC020820; Tue, 2 Sep 2025 04:07:51 -0500 From: MD Danish Anwar To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Mathieu Poirier , Simon Horman , Jonathan Corbet , Nishanth Menon , Vignesh Raghavendra , Mengyuan Lou , MD Danish Anwar , Xin Guo , Lei Wei , Lee Trager , Michael Ellerman , Fan Gong , Lorenzo Bianconi , Geert Uytterhoeven , Lukas Bulwahn , Parthiban Veerasooran , Suman Anna CC: Tero Kristo , , , , , , , , Roger Quadros Subject: [PATCH net-next v2 1/8] dt-bindings: net: ti,rpmsg-eth: Add DT binding for RPMSG ETH Date: Tue, 2 Sep 2025 14:37:39 +0530 Message-ID: <20250902090746.3221225-2-danishanwar@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250902090746.3221225-1-danishanwar@ti.com> References: <20250902090746.3221225-1-danishanwar@ti.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-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea Content-Type: text/plain; charset="utf-8" Add device tree binding documentation for Texas Instruments RPMsg Ethernet channels. This binding describes the shared memory communication interface between host processor and a remote processor for Ethernet packet exchange. The binding defines the required 'memory-region' property that references the dedicated shared memory area used for exchanging Ethernet packets between processors. Signed-off-by: MD Danish Anwar --- .../devicetree/bindings/net/ti,rpmsg-eth.yaml | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/ti,rpmsg-eth.yaml diff --git a/Documentation/devicetree/bindings/net/ti,rpmsg-eth.yaml b/Docu= mentation/devicetree/bindings/net/ti,rpmsg-eth.yaml new file mode 100644 index 000000000000..1c86d5c020b0 --- /dev/null +++ b/Documentation/devicetree/bindings/net/ti,rpmsg-eth.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/ti,rpmsg-eth.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments RPMsg channel nodes for Ethernet communication + +description: | + RPMsg Ethernet subnode represents the communication interface between ho= st + processor and a remote processor. + +maintainers: + - MD Danish Anwar + +properties: + memory-region: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + Phandle to the shared memory region used for communication between t= he + host processor and the remote processor. + This shared memory region is used to exchange Ethernet packets. + +required: + - memory-region + +additionalProperties: false + +examples: + - | + main_r5fss0_core0 { + mboxes =3D <&mailbox0_cluster2 &mbox_main_r5fss0_core0>; + memory-region =3D <&main_r5fss0_core0_dma_memory_region>, + <&main_r5fss0_core0_memory_region>; + rpmsg-eth { + memory-region =3D <&main_r5fss0_core0_memory_region_shm>; + }; + }; --=20 2.34.1