Received: by 2002:ac0:a5b6:0:0:0:0:0 with SMTP id m51-v6csp3837553imm; Mon, 4 Jun 2018 10:03:15 -0700 (PDT) X-Google-Smtp-Source: ADUXVKIs/SkGQgUO96QpHwZ1eYQLcR0cfIQDD3d6yO29kHqWw2OKUlEsH5qkH1ypuyRMRC4zCRQL X-Received: by 2002:a63:42c7:: with SMTP id p190-v6mr15614303pga.142.1528131795369; Mon, 04 Jun 2018 10:03:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1528131795; cv=none; d=google.com; s=arc-20160816; b=lfYVIQ+MzE2R6NLMxfDNZ1k0ntpxAPzgNA8hTbOigOy01kbevSJY6SlmvfGw8sFlGx YDe/0zs+W4QksgItgNSio32tz3K4TpCFgiQkd/YNdLe2EV2RcQsdcdyqi6kNYsAPdueQ 1jiTvATbBcOoy/SzarBVXGWwHMFUrlpcz6lZDfxQvcYWb25fYG2SBM2gbgNzFfBAOQQb mfQ3rXDPtNXC4rk7a/mQXpsmi7R64G8OtAunZYV1E8jega82yetTkoJRPHcwVUTvTAN2 Yk2C7ppNCgbgrRz6/+8EmayLChNL9LYc5hLGqaIv2jwExZJIJO3KBDQAm5/8u8gk6aT3 oOng== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:subject:cc :to:from:arc-authentication-results; bh=dtaPGPXiqa3NqbVw1S3poCLY0HQ9rc9fL1g078uo7Dw=; b=rMHB5QEqbYNB+ePbfkaA/zg9E0xr8bP0oUeB8qXStWY/fZE7z34qQ0tnxKNcVwYNU9 lWwmsCdJF/uNECxHeL3BhY0CuO5msdo0fVlgwyGcndR4Vg0zOS2O4wRloRlJ5mKE9JsA 5YBhLoEzuGF+PCBSpOOAWgC6gn6ZxFp8nPXinuWwBWzu3aAgfQwJzkqn0Re8V0/puy0P W4DIN4mFnfmMNPQHp8yKDGNMjepoKmr4Bx13YFOWmx658lmlpEFiCqOAbNTk9vIkbRs5 99XCZY3bJV0SD4Lrqbp2C6S0uKw8I4/lkLB7WnIzqAMHZGSEoi53HFGzPFGsia+551Zz N8jQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w22-v6si45855844pll.599.2018.06.04.10.03.00; Mon, 04 Jun 2018 10:03:15 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751490AbeFDQ6g (ORCPT + 99 others); Mon, 4 Jun 2018 12:58:36 -0400 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:42492 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751042AbeFDQ6e (ORCPT ); Mon, 4 Jun 2018 12:58:34 -0400 X-IronPort-AV: E=Sophos;i="5.49,476,1520924400"; d="scan'208";a="14912354" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 04 Jun 2018 09:58:33 -0700 Received: from m19893.microchip.com (10.10.76.4) by chn-sv-exch02.mchp-main.com (10.10.76.38) with Microsoft SMTP Server id 14.3.352.0; Mon, 4 Jun 2018 09:58:32 -0700 From: Radu Pirea To: , , , , , , , CC: , , , , , Radu Pirea Subject: [PATCH v5 0/6] Driver for at91 usart in spi mode Date: Mon, 4 Jun 2018 19:59:37 +0300 Message-ID: <20180604165943.31381-1-radu.pirea@microchip.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, This is the second version of driver. I added a mfd driver which by default probes atmel_serial driver and if in dt is specified to probe the spi driver, then the spi-at91-usart driver will be probed. The compatible for atmel_serial is now the compatible for at91-usart mfd driver and compatilbe for atmel_serial driver was changed in order to keep the bindings for serial as they are. Changes in v1: - added spi-at91-usart driver Changes in v2: - added at91-usart mfd driver - modified spi-at91-usart driver to work as mfd driver child - modified atmel_serial driver to work as mfd driver child Changes in v3: - fixed spi slaves probing Changes in v4: - modified the spi driver to use cs gpio support form spi subsystem - fixed dma transfers for serial driver - squashed binding for spi and serial and moved them to mfd/atmel-usart.txt Changes in v5: - fixed usage of stdout-path property with atmel_serial driver Radu Pirea (6): MAINTAINERS: add at91 usart mfd driver dt-bindings: add binding for atmel-usart in SPI mode mfd: at91-usart: added mfd driver for usart MAINTAINERS: add at91 usart spi driver spi: at91-usart: add driver for at91-usart as spi tty/serial: atmel: changed the driver to work under at91-usart mfd .../bindings/{serial => mfd}/atmel-usart.txt | 25 +- MAINTAINERS | 16 + drivers/mfd/Kconfig | 9 + drivers/mfd/Makefile | 1 + drivers/mfd/at91-usart.c | 67 +++ drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/spi-at91-usart.c | 436 ++++++++++++++++++ drivers/tty/serial/Kconfig | 1 + drivers/tty/serial/atmel_serial.c | 41 +- include/dt-bindings/mfd/at91-usart.h | 17 + 11 files changed, 604 insertions(+), 19 deletions(-) rename Documentation/devicetree/bindings/{serial => mfd}/atmel-usart.txt (76%) create mode 100644 drivers/mfd/at91-usart.c create mode 100644 drivers/spi/spi-at91-usart.c create mode 100644 include/dt-bindings/mfd/at91-usart.h -- 2.17.1