From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B899C3ABA2 for ; Mon, 28 Apr 2025 07:23:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=j3ziubjMM4iDinkRWPpqOq279fOOole6d1gFV+rphZk=; b=ykUe94ioFynyla pfoW/bg2k+LPvY7kFc3zE0O09nQKS7+DL9RXlVHCkWbCd9GYPrwgULwK6q+qHPFixZFDEacl1F5ZO ZmtmblMNA+zYQOzLBfTBExATmO42VufXQkc3/FmGYkwqD2Aio+HbPGxwJ8AtCJTH2nMjKHtfC9waJ yTH+E6LSNrWBOPGOK5oUjXmWt1/J0YqT3f0JHhgEO+q8J5bd+ZCRoGC+LmSKqGd1EIFsE+yUVFClJ LTNMeBmL40gHSkhvew+TlYcafIuWSHEhASj5tbK2VlHzGk6EJdL94SPx0D1zxZq32jPa8osNjxpRA sbPWs7ziDlSlmUW2YNhA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u9IqB-00000005EgA-0PEP; Mon, 28 Apr 2025 07:23:47 +0000 Received: from fllvem-ot04.ext.ti.com ([198.47.19.246]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u9InL-00000005E1J-04wa for linux-arm-kernel@lists.infradead.org; Mon, 28 Apr 2025 07:20:52 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllvem-ot04.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 53S7Ki9O3334061 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 28 Apr 2025 02:20:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1745824844; bh=j3ziubjMM4iDinkRWPpqOq279fOOole6d1gFV+rphZk=; h=From:To:Subject:Date; b=i3mVEHrAl64u6xIjvnBtDnJ+JjrjhuXGnPUCo7pVPv03G9yjJTIsQW2bfWUFEFOTz 7MRUPA1U7mjppe5IllSWrJB0FIJeBtcNpWaSlxbB9VDw9T5rgF9wc7glZ+ZceRYloH SP9oRM3LS9hybOrIxaGB6bxawHDfy9GumJv+Re2g= Received: from DFLE114.ent.ti.com (dfle114.ent.ti.com [10.64.6.35]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 53S7KiCC003072 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 28 Apr 2025 02:20:44 -0500 Received: from DFLE109.ent.ti.com (10.64.6.30) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 28 Apr 2025 02:20:44 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 28 Apr 2025 02:20:44 -0500 Received: from uda0498651.dhcp.ti.com (uda0498651.dhcp.ti.com [172.24.227.7]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 53S7KdMZ068873; Mon, 28 Apr 2025 02:20:40 -0500 From: Sai Sree Kartheek Adivi To: , , , , , , , , , , , , , , , Subject: [PATCH 0/8] dmaengine: ti: Add support for BCDMA v2 and PKTDMA v2 Date: Mon, 28 Apr 2025 12:50:24 +0530 Message-ID: <20250428072032.946008-1-s-adivi@ti.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250428_002051_217684_F3F90B27 X-CRM114-Status: GOOD ( 12.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This series adds support for the BCDMA_V2 and PKTDMA_V2 which is introduced in AM62L. The key differences between the existing DMA and DMA V2 are: - Absence of TISCI: Instead of configuring via TISCI calls, direct register writes are required. - Autopair: There is no longer a need for PSIL pair and instead AUTOPAIR bit needs to set in the RT_CTL register. - Static channel mapping: Each channel is mapped to a single peripheral. - Direct IRQs: There is no INT-A and interrupt lines from DMA are directly connected to GIC. - Remote side configuration handled by DMA. So no need to write to PEER registers to START / STOP / PAUSE / TEARDOWN. Sai Sree Kartheek Adivi (8): dt-bindings: dma: ti: Add document for K3 BCDMA V2 dt-bindings: dma: ti: Add document for K3 PKTDMA V2 drivers: dma: ti: Refactor TI K3 UDMA driver dmaengine: ti: k3-psil-am62l: Add AM62Lx PSIL and PDMA data drivers: soc: ti: k3-ringacc: handle absence of tisci dmaengine: ti: New driver for K3 BCDMA_V2 dmaengine: ti: k3-udma-v2: Add support for PKTDMA V2 dmaengine: ti: k3-udma-v2: Update glue layer to support PKTDMA V2 .../bindings/dma/ti/k3-bcdma-v2.yaml | 97 + .../bindings/dma/ti/k3-pktdma-v2.yaml | 73 + drivers/dma/ti/Kconfig | 14 +- drivers/dma/ti/Makefile | 4 +- drivers/dma/ti/k3-psil-am62l.c | 132 + drivers/dma/ti/k3-psil-priv.h | 1 + drivers/dma/ti/k3-psil.c | 1 + drivers/dma/ti/k3-udma-common.c | 2974 +++++++++++++ drivers/dma/ti/k3-udma-glue.c | 91 +- drivers/dma/ti/k3-udma-private.c | 48 +- drivers/dma/ti/k3-udma-v2.c | 1513 +++++++ drivers/dma/ti/k3-udma.c | 3751 ++--------------- drivers/dma/ti/k3-udma.h | 571 ++- drivers/soc/ti/k3-ringacc.c | 162 +- include/linux/soc/ti/k3-ringacc.h | 7 + 15 files changed, 5873 insertions(+), 3566 deletions(-) create mode 100644 Documentation/devicetree/bindings/dma/ti/k3-bcdma-v2.yaml create mode 100644 Documentation/devicetree/bindings/dma/ti/k3-pktdma-v2.yaml create mode 100644 drivers/dma/ti/k3-psil-am62l.c create mode 100644 drivers/dma/ti/k3-udma-common.c create mode 100644 drivers/dma/ti/k3-udma-v2.c -- 2.34.1