From patchwork Mon Dec 24 22:00:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Cezary_Gapi=C5=84ski?= X-Patchwork-Id: 10742417 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1C67B13B5 for ; Mon, 24 Dec 2018 22:01:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 09D37284C3 for ; Mon, 24 Dec 2018 22:01:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EE1D62895F; Mon, 24 Dec 2018 22:01:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A4758284C3 for ; Mon, 24 Dec 2018 22:01:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725892AbeLXWBE (ORCPT ); Mon, 24 Dec 2018 17:01:04 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:35977 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725884AbeLXWBC (ORCPT ); Mon, 24 Dec 2018 17:01:02 -0500 Received: by mail-wr1-f66.google.com with SMTP id u4so12529738wrp.3; Mon, 24 Dec 2018 14:01:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=P0UBLz95gyX+HkR3MstEbdBikEcyR1+21JmSGtYW5Wo=; b=YId/c6KjXM301GLSJhWQkPK6Sl63LZ3wJ9GJNFHaz0Wmn517K9GkX7wTC77kyTD/mC txpLZsVo6pFDHtEKCG8gIRZPTEUNn6xNNmP5SD+8HElxQEV/0m2iypXNt5OjK4I2QN2i xluOXIzkyCGR6ibK0GJo98nIzPEYSS8UaAVI2buR3gfTxoYbm4D+AuE+5cNMrrISoGAq zvyaFs/iuu/gPcCWUQfuy2zoJOPqHtmvCvDX/g8kHkCiyLWCi7+z+ewvc6Oe8HBDikwv euUDU+kpSS71DkDgq7EX8IA+GrFZcVkrsQuyBjJJ0FzPZv+azirfLL5idMjksuuuhp2A BD8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=P0UBLz95gyX+HkR3MstEbdBikEcyR1+21JmSGtYW5Wo=; b=uEi19Pp1w3JZjXKxHhruNwL8VATI9rN9hA9m4BTE59RV3pbo2+YlN5A2iS22j5d8iN LfMIdI74iBa1CQFQqpem01th5uANaWRDmeFca3zmwaV6ANdPrN0ivaFvB/J9iv1XRKzm C5rJnpcH8YHqb3vBBpMWAhm1RZZBPqV9PiAPRrKaRb0PX24PFfDvnLCUcsrGKGcW773U jl4upZ56bXVm4qc0ZkKEleYf4wW+YtgcH8ztwv5pzuKG7mi1wLddqB6SbI76c+ywhkeV jTJBqvsxnhDKzZFd4AmHv8x9oZBhVSdt5R4X4ZGcpIChdlJFBASflJjd11R202uZyFLq DuvQ== X-Gm-Message-State: AJcUukd4G/vni6WcaA7QpGK3I5XnhZqveLDhnL8aHe/1UZIjqYjMnZ9n 1ktK8mNaftIdGZK9HYsv9W4= X-Google-Smtp-Source: ALg8bN7MznKbxH3lPj/sc57JkKHfmTgO1k/K2yIWpHaOCRTp1d5Bo0H5hZR4d/Qnj6OO3x5+Ec7/0g== X-Received: by 2002:a5d:454f:: with SMTP id p15mr13782204wrr.39.1545688860765; Mon, 24 Dec 2018 14:01:00 -0800 (PST) Received: from gapa-Lenovo-IdeaPad-Y580.home (daw20.neoplus.adsl.tpnet.pl. [83.23.22.20]) by smtp.gmail.com with ESMTPSA id d4sm23970153wrp.89.2018.12.24.14.00.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 24 Dec 2018 14:01:00 -0800 (PST) From: cezary.gapinski@gmail.com To: Mark Brown , linux-spi@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org, Amelie Delaunay Cc: Maxime Coquelin , Alexandre Torgue , Mark Rutland , Cezary Gapinski Subject: [PATCH v2 05/14] spi: stm32: use explicit CPOL and CPHA mode bits Date: Mon, 24 Dec 2018 23:00:31 +0100 Message-Id: <1545688840-23992-6-git-send-email-cezary.gapinski@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1545688840-23992-1-git-send-email-cezary.gapinski@gmail.com> References: <1545688840-23992-1-git-send-email-cezary.gapinski@gmail.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Cezary Gapinski Driver supports SPI mode 0 to 3 not only the mode 3. Use SPI_CPOL and SPI_CPHA indicates that these bits can be changed to obtain modes 0 - 3. Signed-off-by: Cezary Gapinski --- drivers/spi/spi-stm32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 8310f14..f7056b7 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -1142,7 +1142,7 @@ static int stm32_spi_probe(struct platform_device *pdev) master->dev.of_node = pdev->dev.of_node; master->auto_runtime_pm = true; master->bus_num = pdev->id; - master->mode_bits = SPI_MODE_3 | SPI_CS_HIGH | SPI_LSB_FIRST | + master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_CS_HIGH | SPI_LSB_FIRST | SPI_3WIRE | SPI_LOOP; master->bits_per_word_mask = stm32_spi_get_bpw_mask(spi); master->max_speed_hz = spi->clk_rate / SPI_MBR_DIV_MIN;