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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD782C6FD1D for ; Mon, 20 Mar 2023 08:11:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230050AbjCTIL4 (ORCPT ); Mon, 20 Mar 2023 04:11:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230018AbjCTILy (ORCPT ); Mon, 20 Mar 2023 04:11:54 -0400 Received: from twspam01.aspeedtech.com (twspam01.aspeedtech.com [211.20.114.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4B3218A8F for ; Mon, 20 Mar 2023 01:11:48 -0700 (PDT) Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 32K7v5EP088826; Mon, 20 Mar 2023 15:57:05 +0800 (GMT-8) (envelope-from chiawei_wang@aspeedtech.com) Received: from Chiawei-PC03.aspeed.com (192.168.2.66) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 20 Mar 2023 16:11:38 +0800 From: Chia-Wei Wang To: , , , , , , , , , , , , , , , , Subject: [PATCH v3 0/5] arm: aspeed: Add UART DMA support Date: Mon, 20 Mar 2023 16:11:28 +0800 Message-ID: <20230320081133.23655-1-chiawei_wang@aspeedtech.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [192.168.2.66] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 32K7v5EP088826 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org This patch serias adds the 8250 driver with DMA support for AST26xx UART devices v3 change: - add error check against dma_to_phys - revise UDMA binding - remove UDMA binding header - remove redundant header inclusions of UDMA driver - fix incorrect UDMA channel number (14->28) - place UDMA kconfig in alphabetical order - collect Acked-by tags v2 change: - re-write UDMA driver based on the DMAEngine framework - re-write 8250_aspeed driver with DMA support based on the 8250_dma implementation - remove virtual UART part as there is already a 8250_aspeed_vuart driver Chia-Wei Wang (5): dt-bindings: serial: 8250: Add aspeed,ast2600-uart dt-bindings: dmaengine: Add AST2600 UDMA bindings dmaengine: aspeed: Add AST2600 UART DMA driver serial: 8250: Add AST2600 UART driver ARM: dts: aspeed-g6: Add UDMA node .../bindings/dma/aspeed,ast2600-udma.yaml | 56 ++ .../devicetree/bindings/serial/8250.yaml | 1 + arch/arm/boot/dts/aspeed-g6.dtsi | 9 + drivers/dma/Kconfig | 9 + drivers/dma/Makefile | 1 + drivers/dma/ast2600-udma.c | 534 ++++++++++++++++++ drivers/tty/serial/8250/8250_aspeed.c | 224 ++++++++ drivers/tty/serial/8250/Kconfig | 8 + drivers/tty/serial/8250/Makefile | 1 + 9 files changed, 843 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/aspeed,ast2600-udma.yaml create mode 100644 drivers/dma/ast2600-udma.c create mode 100644 drivers/tty/serial/8250/8250_aspeed.c -- 2.25.1