From patchwork Mon Oct 11 14:36:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 12550117 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B56F7C433EF for ; Mon, 11 Oct 2021 14:37:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9BB17603E9 for ; Mon, 11 Oct 2021 14:37:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237686AbhJKOjI (ORCPT ); Mon, 11 Oct 2021 10:39:08 -0400 Received: from aposti.net ([89.234.176.197]:46554 "EHLO aposti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238868AbhJKOjD (ORCPT ); Mon, 11 Oct 2021 10:39:03 -0400 From: Paul Cercueil To: Vinod Koul , Rob Herring Cc: list@opendingux.net, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, Paul Cercueil Subject: [PATCH 0/5] dmaengine: dma-jz4780: Driver updates Date: Mon, 11 Oct 2021 16:36:47 +0200 Message-Id: <20211011143652.51976-1-paul@crapouillou.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Hi Vinod, A small set of updates to the dma-jz4780 driver. It adds support for the MDMA/BDMA engines in the JZ4760(B) and JZ4770 SoCs, which are just regular cores with less channels. It also adds support for bidirectional channels, so that devices that only do half-duplex transfers can request a single DMA channel for both directions. Cheers, -Paul Paul Cercueil (5): dt-bindings: dma: ingenic: Add compatible strings for MDMA and BDMA dt-bindings: dma: ingenic: Support #dma-cells = <3> dmaengine: jz4780: Work around hardware bug on JZ4760 SoCs dmaengine: jz4780: Add support for the MDMA and BDMA in the JZ4760(B) dmaengine: jz4780: Support bidirectional I/O on one channel .../devicetree/bindings/dma/ingenic,dma.yaml | 34 +++++--- drivers/dma/dma-jz4780.c | 84 +++++++++++++++---- 2 files changed, 91 insertions(+), 27 deletions(-)