From patchwork Wed Jan 21 15:53:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Ribalda Delgado X-Patchwork-Id: 5678601 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 388679F333 for ; Wed, 21 Jan 2015 15:56:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 65521204CF for ; Wed, 21 Jan 2015 15:56:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5FA56204D2 for ; Wed, 21 Jan 2015 15:56:16 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YDxbw-0003YL-Cz; Wed, 21 Jan 2015 15:54:28 +0000 Received: from mail-lb0-x22c.google.com ([2a00:1450:4010:c04::22c]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YDxbB-00037U-Ig for linux-arm-kernel@lists.infradead.org; Wed, 21 Jan 2015 15:53:42 +0000 Received: by mail-lb0-f172.google.com with SMTP id l4so27209007lbv.3 for ; Wed, 21 Jan 2015 07:53:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=W9yc9bhoDdCcIax63pwO1V4BTwb7ovPPb299Udp58vI=; b=O/89gaW7Uc9TYjQAX7lFxo8LVlKSyxuXfWgL/DVJAzkulLXEh4TITXQMgxRz02pBiT Zc5IzKr1XEZCVmaMbBK2WHycLZVH6VogBf/6EbmA4v3X30myWXEl8856/8wq8Vxn76LI PStl4hCq9g4MYd2xjWdrbzLInqgp1CMnTj/YqZ3FxIqBBWwSjkD11/DYOHqya0D6+sgG lrLndPAHjsp043c0B8hsHNZgbXFbbubr6iUOgulg87FOjcOXiMxXMb8LEDmyCkSZV+XZ ET88o95I7IDxvnoVQ52s71JvNt9v2Caboi5cbfSkTWKASATg7AtOs77G/YUCfu4FvQmr 2ZaA== X-Received: by 10.112.72.197 with SMTP id f5mr44274425lbv.21.1421855596240; Wed, 21 Jan 2015 07:53:16 -0800 (PST) Received: from neopili.qtec.com (cpe.xe-3-0-1-778.vbrnqe10.dk.customer.tdc.net. [80.197.57.18]) by mx.google.com with ESMTPSA id sj2sm3035146lac.0.2015.01.21.07.53.14 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 21 Jan 2015 07:53:15 -0800 (PST) From: Ricardo Ribalda Delgado To: Mark Brown , Michal Simek , =?UTF-8?q?S=C3=B6ren=20Brinkmann?= , linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] spi/xilinx: Support for spi mode LSB_FIRST Date: Wed, 21 Jan 2015 16:53:09 +0100 Message-Id: <1421855590-9210-3-git-send-email-ricardo.ribalda@gmail.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1421855590-9210-1-git-send-email-ricardo.ribalda@gmail.com> References: <1421855590-9210-1-git-send-email-ricardo.ribalda@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150121_075341_841835_137B0ABB X-CRM114-Status: GOOD ( 10.05 ) X-Spam-Score: -0.8 (/) Cc: Ricardo Ribalda Delgado X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Hardware supports LSB_FIRST mode. Support it also in the driver. Signed-off-by: Ricardo Ribalda Delgado --- drivers/spi/spi-xilinx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c index 2ea4ca5..b8ce58d 100644 --- a/drivers/spi/spi-xilinx.c +++ b/drivers/spi/spi-xilinx.c @@ -34,7 +34,8 @@ #define XSPI_CR_MASTER_MODE 0x04 #define XSPI_CR_CPOL 0x08 #define XSPI_CR_CPHA 0x10 -#define XSPI_CR_MODE_MASK (XSPI_CR_CPHA | XSPI_CR_CPOL) +#define XSPI_CR_MODE_MASK (XSPI_CR_CPHA | XSPI_CR_CPOL | \ + XSPI_CR_LSB_FIRST) #define XSPI_CR_TXFIFO_RESET 0x20 #define XSPI_CR_RXFIFO_RESET 0x40 #define XSPI_CR_MANUAL_SSELECT 0x80 @@ -194,6 +195,8 @@ static void xilinx_spi_chipselect(struct spi_device *spi, int is_on) cr |= XSPI_CR_CPHA; if (spi->mode & SPI_CPOL) cr |= XSPI_CR_CPOL; + if (spi->mode & SPI_LSB_FIRST) + cr |= XSPI_CR_LSB_FIRST; xspi->write_fn(cr, xspi->regs + XSPI_CR_OFFSET); /* We do not check spi->max_speed_hz here as the SPI clock