Received: by 2002:ac0:a594:0:0:0:0:0 with SMTP id m20-v6csp604907imm; Fri, 11 May 2018 03:38:51 -0700 (PDT) X-Google-Smtp-Source: AB8JxZoTgZaPaQmLm8t/+vKdqbHn5dprGJSo+J3NFc/f6BwSUYfM4wL40oCa4kzgXY1SJLJgLND8 X-Received: by 2002:a17:902:1a6:: with SMTP id b35-v6mr4974350plb.80.1526035131134; Fri, 11 May 2018 03:38:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1526035131; cv=none; d=google.com; s=arc-20160816; b=AvgKIGA5ZvT4BrGC1l6/gQJqXRxRpoB/yaatRNPRAa8y4BtgLHjMbM8byXLQluWw/6 4ZPl/GpldMPTckvSBJVTDuEJ+ZaZX5ddPVnSV5opeera1S2005W15r90KaW9HaPxLKT/ 2TpKUybvqtZD1m7VIic3g5zZ+eGuDPYZRGoGfWlxiunkiky1/ZmoF+AujbiUo/SQUV+p szvrlFCHjWvCpnIf4v9dmgLehdq0QSv+XN3dZR4yid9wr6jEyNrxOFAyWxsHHJez6IxE Vk0IMsTSx5773y7SujBgt8IdmunEBsqXt5AUgb/VCmAFWWtpwToRpiu8KrJje8312G0d LjDw== 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=FAw4gcySr01JnFT3Ux7vSPC6mg5UEnWZ0QDicw3Sj/A=; b=XnWhFGedERVIxuJSL/NEnkoWW680dKbIBzw0HbpEaJWKg7bZN/5qKiQi2Gy0jswx9j Nz8ZK6qQWHvH8RueF96MXJkcGjhZwQYgcyNCMavDO7elnRGDwtQmQzIAGGkB1TPKc8t2 Ji3ACNDB73rhNIJJ2vtWc8lNwjqzTyT01KvALbJMaP/lwNgWV8DZ+DLJA90lPGfLUkLH nFp7cCmktEWX72FddNLI9e+8KFLpjEaf5xZg+79fZOg/7YOAwBWmFAOLywS1Kx92yoX5 fQ4UPiw14eeptnonyDaO68d0v78vaNTOkTfwRTnGqhgemQQhZ2OA6ezs468wkFLvzUOG S8GA== 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 l65-v6si2963428pfb.69.2018.05.11.03.38.37; Fri, 11 May 2018 03:38:51 -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 S1752877AbeEKKhN (ORCPT + 99 others); Fri, 11 May 2018 06:37:13 -0400 Received: from esa5.microchip.iphmx.com ([216.71.150.166]:60829 "EHLO esa5.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752569AbeEKKhL (ORCPT ); Fri, 11 May 2018 06:37:11 -0400 X-IronPort-AV: E=Sophos;i="5.49,388,1520924400"; d="scan'208";a="11960894" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa5.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 11 May 2018 03:37:11 -0700 Received: from m19893.microchip.com (10.10.76.4) by chn-sv-exch05.mchp-main.com (10.10.76.106) with Microsoft SMTP Server id 14.3.352.0; Fri, 11 May 2018 03:37:09 -0700 From: Radu Pirea To: , , , , CC: , , , , , , , , , Radu Pirea Subject: [PATCH v3 0/6] Driver for at91 usart in spi mode Date: Fri, 11 May 2018 13:38:16 +0300 Message-ID: <20180511103822.31698-1-radu.pirea@microchip.com> X-Mailer: git-send-email 2.17.0 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 Radu Pirea (6): MAINTAINERS: add at91 usart mfd driver mfd: at91-usart: added mfd driver for usart MAINTAINERS: add at91 usart spi driver dt-bindings: add binding for at91-usart in spi mode spi: at91-usart: add driver for at91-usart as spi tty/serial: atmel: changed the driver to work under at91-usart mfd .../bindings/spi/microchip,at91-usart-spi.txt | 28 + MAINTAINERS | 14 + drivers/mfd/Kconfig | 10 + drivers/mfd/Makefile | 1 + drivers/mfd/at91-usart.c | 75 +++ drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/spi-at91-usart.c | 544 ++++++++++++++++++ drivers/tty/serial/Kconfig | 1 + drivers/tty/serial/atmel_serial.c | 29 +- include/dt-bindings/mfd/at91-usart.h | 17 + 11 files changed, 715 insertions(+), 14 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/microchip,at91-usart-spi.txt 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 -- 2.17.0