From nobody Thu Oct 9 02:19:10 2025 Received: from lelvem-ot01.ext.ti.com (lelvem-ot01.ext.ti.com [198.47.23.234]) (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 2F0D81F8908; Mon, 23 Jun 2025 05:38:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.234 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750657130; cv=none; b=k3MXEJgOJ0wa9n332WNjSq6ksTa9VKK7FLnPLbuCtJljB5GQshU3gpv0y73h00UHPc4PQy8PJwaXQJnEbhcyepo9YtrbKlh4i0IctljIHhFHr/rSs7uosNz4GR1uHAX5GSHQ2Met0B3YRbY+y1v/2siMyzgHC/CohYfgo8kfU6g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750657130; c=relaxed/simple; bh=mokpwZNG9oJXe3q1p1ZiWSXZhUB6kHlAsbYHKiO8krw=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ZarvudWWiNRZnjN0Q2qfd6tD6bWRC3QORRFilxgwT7fZBGFTI7HIe2f0X1v2R6FrdY9S3Xpf7+CQaYeQknS6JZeh+cyx5bE6G0ryoReNeZ4Lj8drPcDKGNzX988xMS4VwQ8BSFzETwwKNh3cc9c7+DvbkAYrO7Vjk1NA16qzSgU= 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=oT1aWS3s; arc=none smtp.client-ip=198.47.23.234 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="oT1aWS3s" Received: from fllvem-sh03.itg.ti.com ([10.64.41.86]) by lelvem-ot01.ext.ti.com (8.15.2/8.15.2) with ESMTP id 55N5ciAU795498; Mon, 23 Jun 2025 00:38:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1750657124; bh=CwR8jsXYkYl2vgRdqMccLX0UelyZDh3YW75PbHZ+xJg=; h=From:To:Subject:Date:In-Reply-To:References; b=oT1aWS3sinAKEODqP0jZwUFcmuSg8L00TK0y1PqZCY6cf+bJ55h2ekM98N2tgB+k5 6gYAQyf+Tx+NhuZ+vFC5IBqTbc0Z2ivvVgZyA7OOUVoASZL9zDiALQDiWscOjCdbyV gfd1Sg1YUM1Ohva5QGbJ8/x903qrgpzdy+HUmMZ8= Received: from DLEE104.ent.ti.com (dlee104.ent.ti.com [157.170.170.34]) by fllvem-sh03.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 55N5ciYA2931956 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Mon, 23 Jun 2025 00:38:44 -0500 Received: from DLEE101.ent.ti.com (157.170.170.31) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55; Mon, 23 Jun 2025 00:38:43 -0500 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DLEE101.ent.ti.com (157.170.170.31) 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; Mon, 23 Jun 2025 00:38:43 -0500 Received: from uda0498651.dhcp.ti.com (uda0498651.dhcp.ti.com [172.24.227.7]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 55N5bSqc3428603; Mon, 23 Jun 2025 00:38:38 -0500 From: Sai Sree Kartheek Adivi To: Peter Ujfalusi , Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Santosh Shilimkar , Sai Sree Kartheek Adivi , , , , , , , , , Subject: [PATCH v3 13/17] dt-bindings: dma: ti: Add K3 PKTDMA V2 Date: Mon, 23 Jun 2025 11:07:12 +0530 Message-ID: <20250623053716.1493974-14-s-adivi@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250623053716.1493974-1-s-adivi@ti.com> References: <20250623053716.1493974-1-s-adivi@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" New binding document for Texas Instruments K3 Packet DMA (PKTDMA) V2. PKTDMA V2 is introduced as part of AM62L. Signed-off-by: Sai Sree Kartheek Adivi --- .../bindings/dma/ti/k3-pktdma-v2.yaml | 72 +++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/ti/k3-pktdma-v2.y= aml diff --git a/Documentation/devicetree/bindings/dma/ti/k3-pktdma-v2.yaml b/D= ocumentation/devicetree/bindings/dma/ti/k3-pktdma-v2.yaml new file mode 100644 index 0000000000000..9c2410888d95b --- /dev/null +++ b/Documentation/devicetree/bindings/dma/ti/k3-pktdma-v2.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2024-2025 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/ti/k3-pktdma-v2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments K3 DMSS PKTDMA V2 + +maintainers: + - Sai Sree Kartheek Adivi + +description: | + The PKTDMA V2 is intended to perform similar functions as the packet mode + channels of K3 UDMA-P. PKTDMA V2 only includes Split channels to service + PSI-L based peripherals. + + The peripherals can be PSI-L native or legacy, non PSI-L native peripher= als + with PDMAs. PDMA is tasked to act as a bridge between the PSI-L fabric a= nd the + legacy peripheral. + +allOf: + - $ref: /schemas/dma/dma-controller.yaml# + +properties: + compatible: + const: ti,am62l-dmss-pktdma + + reg: + items: + - description: Packet DMA Control /Status + - description: Channel Realtime + - description: Ring Realtime + + reg-names: + items: + - const: gcfg + - const: chanrt + - const: ringrt + + "#dma-cells": + const: 2 + description: | + cell 1: Channel number for the peripheral + + Please refer to the device documentation for the channel map. + + cell 2: ASEL value for the channel + +required: + - compatible + - reg + - reg-names + - "#dma-cells" + +unevaluatedProperties: false + +examples: + - | + main { + #address-cells =3D <2>; + #size-cells =3D <2>; + + dma-controller@485c0000 { + compatible =3D "ti,am62l-dmss-pktdma"; + reg =3D <0x00 0x485c0000 0x00 0x4000>, + <0x00 0x48900000 0x00 0x80000>, + <0x00 0x47200000 0x00 0x100000>; + reg-names =3D "gcfg", "chanrt", "ringrt"; + #dma-cells =3D <2>; + }; + }; --=20 2.34.1