From patchwork Wed Feb 13 19:25:31 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: girishks2000@gmail.com X-Patchwork-Id: 2139091 Return-Path: X-Original-To: patchwork-spi-devel-general@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) by patchwork2.kernel.org (Postfix) with ESMTP id 79948DFE75 for ; Wed, 13 Feb 2013 19:27:05 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=sfs-ml-1.v29.ch3.sourceforge.com) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1U5hyz-0006me-3e; Wed, 13 Feb 2013 19:27:05 +0000 Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1U5hyw-0006m5-WF for spi-devel-general@lists.sourceforge.net; Wed, 13 Feb 2013 19:27:03 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.210.51 as permitted sender) client-ip=209.85.210.51; envelope-from=girishks2000@gmail.com; helo=mail-da0-f51.google.com; Received: from mail-da0-f51.google.com ([209.85.210.51]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1U5hyv-0002Pr-HU for spi-devel-general@lists.sourceforge.net; Wed, 13 Feb 2013 19:27:02 +0000 Received: by mail-da0-f51.google.com with SMTP id n15so702424dad.10 for ; Wed, 13 Feb 2013 11:26:55 -0800 (PST) X-Received: by 10.66.192.162 with SMTP id hh2mr51998207pac.79.1360783615503; Wed, 13 Feb 2013 11:26:55 -0800 (PST) Received: from localhost.localdomain (D32450A4.uspool.samsung.com. [211.36.80.164]) by mx.google.com with ESMTPS id t6sm85719744paz.11.2013.02.13.11.26.54 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 13 Feb 2013 11:26:55 -0800 (PST) From: Girish K S To: spi-devel-general@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: [PATCH V2 5/5] spi: s3c64xx: Added support for exynos5440 spi Date: Wed, 13 Feb 2013 11:25:31 -0800 Message-Id: <1360783531-32654-6-git-send-email-ks.giri@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1360783531-32654-1-git-send-email-ks.giri@samsung.com> References: <1360783531-32654-1-git-send-email-ks.giri@samsung.com> X-Spam-Score: -1.4 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (girishks2000[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit (girishks2000[at]gmail.com) -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1U5hyv-0002Pr-HU Cc: t.figa@samsung.com, broonie@opensource.wolfsonmicro.com, linux-arm-kernel@lists.infradead.org X-BeenThere: spi-devel-general@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Linux SPI core/device drivers discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: spi-devel-general-bounces@lists.sourceforge.net This patch adds support for the exynos5440 spi controller. The integration of the spi IP in exynos5440 is different from other SoC's. The I/O pins are no more configured via gpio, they have dedicated pins. Signed-off-by: Girish K S --- changes in v2: the fifo mask modified to 0x1ff drivers/spi/spi-s3c64xx.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 15b7ee9..332a4df 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1580,6 +1580,15 @@ static struct s3c64xx_spi_port_config exynos4_spi_port_config = { .clk_from_cmu = true, }; +static struct s3c64xx_spi_port_config exynos5440_spi_port_config = { + .fifo_lvl_mask = { 0x1ff }, + .rx_lvl_offset = 15, + .tx_st_done = 25, + .high_speed = true, + .clk_from_cmu = true, + .quirks = S3C64XX_SPI_QUIRK_POLL, +}; + static struct platform_device_id s3c64xx_spi_driver_ids[] = { { .name = "s3c2443-spi", @@ -1608,6 +1617,9 @@ static const struct of_device_id s3c64xx_spi_dt_match[] = { { .compatible = "samsung,exynos4210-spi", .data = (void *)&exynos4_spi_port_config, }, + { .compatible = "samsung,exynos5440-spi", + .data = (void *)&exynos5440_spi_port_config, + }, { }, }; MODULE_DEVICE_TABLE(of, s3c64xx_spi_dt_match);