Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp418852pxa; Wed, 12 Aug 2020 05:36:49 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzJV+fjpUvj00EMPcWFK94nCy9dODaRxT/9QntanMvOJFZBjelsw3fm2DpTVD/zdWJPZVqb X-Received: by 2002:a17:906:a18e:: with SMTP id s14mr30482862ejy.168.1597235808870; Wed, 12 Aug 2020 05:36:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597235808; cv=none; d=google.com; s=arc-20160816; b=F1Ou4joMLQPtnkkKdMQbYoKf2541LO84Zx5A8IeKE/xLMhRCzu2I+zKt4n13uEwvcs g9UWJCGx28SZQ/Dc7aX4xJYaa8RhkDT7D/abf1ktaFQOVgntvjGQTTDRY7jy/j9bniFX L+CvU+nsaAslXJlSA/jRFixtVMEYxjK+bDpFE5RwGi8njNkJZfAKAS79m371K3PBd7+e Wrqt1jDDog9z4RDKp6sHQg9RAgwoq09XEeGSo1A8mhW/zNH7W1LgNx2WlkL+jyhFG68V IPdPHpnKTy5lO6/HoMHu0rR++T8x66dYGJin1MeIRIT+2Y+3dhiITtaGRPQalQma/DBR rO/w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-disposition:mime-version :message-id:subject:cc:to:from:date:dkim-signature; bh=aQwP/0l0m5s+Hp6E9P2OaxabPF+ONqwtg5F3idJNxeo=; b=uNGLew+2fFy/jMWm8XupGfYWJ2m7RAYdoZEsBemoWdCV3CkQRr7uOGTlovW0Uu1HvN kx6g882r51MMVUZ633K6qKGItrRIfl8Y6hwfYY3xOG16drShoKgj18XnhwjvG8IN0WqI Ah5ENez19XA5uGJED60IAXH2RNdVraOxAeSOF/0LGcFbY5OxRRppY8MoXqs9eoBr+yKe eyIKyplb4LHnlv4ZsSlm6izU789lcjI3GDJW3uYv6PGfDBw/UFFmw+GvNPoyoS7qylMB z9Z/U7EqEb27OYQsKaUPvyDN/gNSkcHPEyDe8jWcFqe0rbcfvS8ZEeAyunbXUEvDjhMJ 0xfA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@antmicro.com header.s=google header.b=E1Oyp1cD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id nv5si1044059ejb.144.2020.08.12.05.36.25; Wed, 12 Aug 2020 05:36:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@antmicro.com header.s=google header.b=E1Oyp1cD; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727995AbgHLMd5 (ORCPT + 99 others); Wed, 12 Aug 2020 08:33:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727991AbgHLMd5 (ORCPT ); Wed, 12 Aug 2020 08:33:57 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8A0FC061788 for ; Wed, 12 Aug 2020 05:33:56 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id 185so2015989ljj.7 for ; Wed, 12 Aug 2020 05:33:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antmicro.com; s=google; h=date:from:to:cc:subject:message-id:mime-version:content-disposition; bh=aQwP/0l0m5s+Hp6E9P2OaxabPF+ONqwtg5F3idJNxeo=; b=E1Oyp1cDKNXa/qL202tPvk+586jn7dzdRSDowWFBi3ibjreBcyongiJbYLzZBNs6Hb SFS3+XBKWcjS61acKhdJbl8jzFYrrFWYhFIraeQqVwPb8oUHSuh95BulF1qr12dxVbzt T9g/bX5P68NjhX8eRtvn2abSXpl3pyPCHNZrQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=aQwP/0l0m5s+Hp6E9P2OaxabPF+ONqwtg5F3idJNxeo=; b=fe9DoYo3Q3QxHX4HzlOfFkRJj4Ylr+0IAfAVZxf6OskUgBZ4X93z1MFhBGp9IIilgv bTi+i1gqsI8qhGehscnk+5aaM6bEhKzZEqSzZcrsVWzg+PLGnCOeCqCsGUPdAge4bPAA lcBwmN8947g6FPOX55JKnpmx+gJkp10MVtjZMXKPFks5OQMcJOxYNxK1jhdxzhmF7fow 936EheGnvS+27IbgXLIPgjcdoOds6K+icB6M5U20dkE2QB25EIYm8WU80JMSZ50cPh4o aemtzYIFxIqb6ft8TJ5lBiG546hkACRIAvA8HT1GALJNDgE7uufXemsEdqZdLByUWq2t fJPg== X-Gm-Message-State: AOAM533JU0w7Fu9hUNmffST8Uk+/Wn/ZMwqqAH7qbZ82X9CG3EO1hoya Tp0tYryC4gJYc5k6lows6Mi6zA== X-Received: by 2002:a2e:302:: with SMTP id 2mr4821823ljd.156.1597235635003; Wed, 12 Aug 2020 05:33:55 -0700 (PDT) Received: from localhost.localdomain (d79-196.icpnet.pl. [77.65.79.196]) by smtp.gmail.com with ESMTPSA id r19sm414364ljc.59.2020.08.12.05.33.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Aug 2020 05:33:54 -0700 (PDT) Date: Wed, 12 Aug 2020 14:33:46 +0200 From: Mateusz Holenko To: Rob Herring , Mark Rutland , Greg Kroah-Hartman , Jiri Slaby , devicetree@vger.kernel.org, linux-serial@vger.kernel.org Cc: Stafford Horne , Karol Gugala , Mateusz Holenko , Mauro Carvalho Chehab , "David S. Miller" , "Paul E. McKenney" , Filip Kokosinski , Pawel Czarnecki , Joel Stanley , Jonathan Cameron , Maxime Ripard , Shawn Guo , Heiko Stuebner , Sam Ravnborg , Icenowy Zheng , Laurent Pinchart , linux-kernel@vger.kernel.org, "Gabriel L. Somlo" Subject: [PATCH v10 0/5] LiteX SoC controller and LiteUART serial driver Message-ID: <20200812143324.2394375-0-mholenko@antmicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset introduces support for LiteX SoC Controller and LiteUART - serial device from LiteX SoC builder (https://github.com/enjoy-digital/litex). In the following patchset I will add a new mor1kx-based (OpenRISC) platform that uses this device. Later I plan to extend this platform by adding support for more devices from LiteX suite. Changes in v10: - added casting to avoid sparse warnings in the SoC Controller's driver Changes in v9: - fixed the `reg` node notation in the DT example - added exporting of the `litex_set_reg`/`litex_get_reg` symbols Changes in v8: - fixed help messages in LiteUART's KConfig - removed dependency between LiteUART and LiteX SoC drivers - removed `litex_check_accessors()` helper function - added crashing (BUG) on the failed LiteX CSR access test Changes in v7: - added missing include directive in UART's driver Changes in v6: - changed accessors in SoC Controller's driver - reworked UART driver Changes in v5: - added Reviewed-by tag - removed custom accessors from SoC Controller's driver - fixed error checking in SoC Controller's driver Changes in v4: - fixed copyright headers - fixed SoC Controller's yaml - simplified SoC Controller's driver Changes in v3: - added Acked-by and Reviewed-by tags - introduced LiteX SoC Controller driver - removed endianness detection (handled now by LiteX SoC Controller driver) - modified litex.h header - DTS aliases for LiteUART made optional - renamed SERIAL_LITEUART_NR_PORTS to SERIAL_LITEUART_MAX_PORTS - changed PORT_LITEUART from 122 to 123 Changes in v2: - binding description rewritten to a yaml schema file - added litex.h header with common register access functions Filip Kokosinski (3): dt-bindings: vendor: add vendor prefix for LiteX dt-bindings: serial: document LiteUART bindings drivers/tty/serial: add LiteUART driver Pawel Czarnecki (2): dt-bindings: soc: document LiteX SoC Controller bindings drivers/soc/litex: add LiteX SoC Controller driver .../bindings/serial/litex,liteuart.yaml | 38 ++ .../soc/litex/litex,soc-controller.yaml | 39 ++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + MAINTAINERS | 9 + drivers/soc/Kconfig | 1 + drivers/soc/Makefile | 1 + drivers/soc/litex/Kconfig | 15 + drivers/soc/litex/Makefile | 3 + drivers/soc/litex/litex_soc_ctrl.c | 194 +++++++++ drivers/tty/serial/Kconfig | 32 ++ drivers/tty/serial/Makefile | 1 + drivers/tty/serial/liteuart.c | 402 ++++++++++++++++++ include/linux/litex.h | 24 ++ 13 files changed, 761 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/litex,liteuart.yaml create mode 100644 Documentation/devicetree/bindings/soc/litex/litex,soc-controller.yaml create mode 100644 drivers/soc/litex/Kconfig create mode 100644 drivers/soc/litex/Makefile create mode 100644 drivers/soc/litex/litex_soc_ctrl.c create mode 100644 drivers/tty/serial/liteuart.c create mode 100644 include/linux/litex.h -- 2.25.1