From patchwork Sat Oct 20 10:10:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Walmsley X-Patchwork-Id: 987181 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=sifive.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=sifive.com header.i=@sifive.com header.b="ChUUulNA"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42cdqr6KK7z9sDK for ; Sat, 20 Oct 2018 21:12:08 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727300AbeJTSWA (ORCPT ); Sat, 20 Oct 2018 14:22:00 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:34048 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727285AbeJTSWA (ORCPT ); Sat, 20 Oct 2018 14:22:00 -0400 Received: by mail-wr1-f66.google.com with SMTP id l6-v6so39472460wrt.1 for ; Sat, 20 Oct 2018 03:12:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=WeinUrQ7ysF/m1cR0ZveHabHJtWalvfdrlRj+hVPwbo=; b=ChUUulNA3u9H3v37Z4/3MyliL/YP7RfUWNE+gEQoaB8dklJ/5KeOcYzaiFhxi24mmc sNven5kjfrrzyZq9Eug+G8IbjjGN40dFpjTYcjlK5zqe1KK7mATJDwJ/BZZPNdzPigNs +apQimZZ/3foYoLMejGhzIYJIDDu4SuozjvWZdFHbi9J53aBCobB8FLr8SzWvkG+Vvdx 4oJZskMcddBnY21RCi1HVqOyoC2PxWebWN9RKNvZFUdNcvn/pcleo+aJ3i9v12ieGgHo A3VIg7M9NeAflW2sQPoSkfAbAXu2kfBqcSx99sLZLhOJPx1xfewdkiTFghiLyffXYQrq h/XA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=WeinUrQ7ysF/m1cR0ZveHabHJtWalvfdrlRj+hVPwbo=; b=qKqlCKyn77Ur5Ud7SRYPeT4M1gJOkrCc0rIdUnA8JxLoZv5pDCPTYN+DzGemdygZFa 1ZoG6z4DO7XVgoEU4ee/z5qy/IG46SuebaGT+ev3m/E/Z+Hli5g9TY8xesrrGVQm7qpp z2ImvOa625QoJc/7sRSMY9JaP/tStARo4ztfG8lR8qar66Cnz022VZEHT0ENeGkHehRx frQh8q9tonLafNb8oVQUDvY3xy1qtpKqwY6ALtVoicx/DTijW6UKFqOhzc2ZIYJJqo7y DmLH78hUdzjdeHp8qkALbz0VqL5NZohtn9J3vN9zTjbrM4jcJlvP5r8Tw7JGqVH8SovC bnxA== X-Gm-Message-State: ABuFfohlrITn2SttB7MO1MU88TXVfnfZpk8CFvXHxGgM7NFrGmD14D60 cEI5H9jHmJoATV+LiItfe0ZuSA== X-Google-Smtp-Source: ACcGV60KOuq/Qj141/dOvDHTj+LCEpiuxs4vuPEOXktbHfZ3Au80Z3W9XvLMd14seGyfYDmMdl/1CQ== X-Received: by 2002:adf:91e4:: with SMTP id 91-v6mr38551871wri.97.1540030324620; Sat, 20 Oct 2018 03:12:04 -0700 (PDT) Received: from viisi.sifive.com ([37.152.39.96]) by smtp.gmail.com with ESMTPSA id 2-v6sm23773438wro.96.2018.10.20.03.12.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 20 Oct 2018 03:12:03 -0700 (PDT) From: Paul Walmsley To: linux-serial@vger.kernel.org Cc: Paul Walmsley , Greg Kroah-Hartman , Jiri Slaby , Palmer Dabbelt , Wesley Terpstra , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 0/2] tty: serial: add DT bindings and serial driver for the SiFive FU540 UART Date: Sat, 20 Oct 2018 03:10:44 -0700 Message-Id: <20181020101045.15991-1-paul.walmsley@sifive.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This series adds a serial driver, with console support, for the UART IP block present on the SiFive FU540 SoC. The programming model is straightforward, but unique. Boot-tested on a SiFive FU540 HiFive-U board (with appropriate patches to the DT data). The patches in this series can also be found at: https://github.com/sifive/riscv-linux/tree/dev/paulw/serial-v4.19-rc7 This third version updates the DT binding documentation per discussion with Rob Herring and fixes one additional issue identified by the 0-day build system related to MODULE_DEVICE_TABLE. Paul Walmsley (2): dt-bindings: serial: add documentation for the SiFive UART driver tty: serial: add driver for the SiFive UART .../bindings/serial/sifive-serial.txt | 33 + drivers/tty/serial/Kconfig | 24 + drivers/tty/serial/Makefile | 1 + drivers/tty/serial/sifive.c | 1067 +++++++++++++++++ include/uapi/linux/serial_core.h | 3 + 5 files changed, 1128 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/sifive-serial.txt create mode 100644 drivers/tty/serial/sifive.c Cc: Greg Kroah-Hartman Cc: Jiri Slaby Cc: Palmer Dabbelt Cc: Wesley Terpstra Cc: linux-serial@vger.kernel.org Cc: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org