From patchwork Mon Sep 29 19:41:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Kristiansson X-Patchwork-Id: 5001081 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 7EC7F9F3DF for ; Tue, 30 Sep 2014 08:37:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8EF7F20166 for ; Tue, 30 Sep 2014 08:37:41 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 52DDC200FF for ; Tue, 30 Sep 2014 08:37:40 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 6C7792612AC; Tue, 30 Sep 2014 10:37:39 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 994D6260561; Tue, 30 Sep 2014 10:33:54 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id E6C942606A1; Mon, 29 Sep 2014 21:42:41 +0200 (CEST) Received: from smtp.nebula.fi (smtp-69.nebula.fi [83.145.220.69]) by alsa0.perex.cz (Postfix) with ESMTP id DE2D9260693 for ; Mon, 29 Sep 2014 21:42:33 +0200 (CEST) Received: from wonka.TeleWell.gateway (nblzone-224-141.nblnetworks.fi [83.145.224.141]) by smtp.nebula.fi (Postfix) with ESMTP id 0F4B3D00699; Mon, 29 Sep 2014 22:42:33 +0300 (EEST) From: Stefan Kristiansson To: linux-kernel@vger.kernel.org Date: Mon, 29 Sep 2014 22:41:10 +0300 Message-Id: <1412019670-19429-1-git-send-email-stefan.kristiansson@saunalahti.fi> X-Mailer: git-send-email 1.9.1 X-Mailman-Approved-At: Tue, 30 Sep 2014 10:33:49 +0200 Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, lars@metafoo.de, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, broonie@kernel.org, lgirdwood@gmail.com, Stefan Kristiansson , robh+dt@kernel.org, galak@codeaurora.org Subject: [alsa-devel] [PATCH v2 2/3] ASoC: ssm2602: add device tree bindings X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Allow the ssm2602/ssm2603/ssm2604 codec driver to be instantiated from the device tree. Also, add Kconfig prompts to allow manual selection of both the I2C and SPI configuration versions of the driver. Signed-off-by: Stefan Kristiansson --- Changes in v2: - Remove "ssm2603" and "ssm2604" from the spi compatible list --- .../devicetree/bindings/sound/adi,ssm2602.txt | 19 +++++++++++++++++++ sound/soc/codecs/Kconfig | 8 ++++++-- sound/soc/codecs/ssm2602-i2c.c | 9 +++++++++ sound/soc/codecs/ssm2602-spi.c | 7 +++++++ 4 files changed, 41 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/adi,ssm2602.txt diff --git a/Documentation/devicetree/bindings/sound/adi,ssm2602.txt b/Documentation/devicetree/bindings/sound/adi,ssm2602.txt new file mode 100644 index 0000000..3b3302f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/adi,ssm2602.txt @@ -0,0 +1,19 @@ +Analog Devices SSM2602, SSM2603 and SSM2604 I2S audio CODEC devices + +SSM2602 support both I2C and SPI as the configuration interface, +the selection is made by the MODE strap-in pin. +SSM2603 and SSM2604 only support I2C as the configuration interface. + +Required properties: + + - compatible : One of "adi,ssm2602", "adi,ssm2603" or "adi,ssm2604" + + - reg : the I2C address of the device for I2C, the chip select + number for SPI. + + Example: + + ssm2602: ssm2602@1a { + compatible = "adi,ssm2602"; + reg = <0x1a>; + }; diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 8838838e..3649e73 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -520,12 +520,16 @@ config SND_SOC_SSM2602 tristate config SND_SOC_SSM2602_SPI + tristate "Analog Devices SSM2602 CODEC - SPI" + depends on SPI_MASTER select SND_SOC_SSM2602 - tristate + select REGMAP_SPI config SND_SOC_SSM2602_I2C + tristate "Analog Devices SSM2602 CODEC - I2C" + depends on I2C select SND_SOC_SSM2602 - tristate + select REGMAP_I2C config SND_SOC_STA32X tristate diff --git a/sound/soc/codecs/ssm2602-i2c.c b/sound/soc/codecs/ssm2602-i2c.c index abd63d5..0d9779d 100644 --- a/sound/soc/codecs/ssm2602-i2c.c +++ b/sound/soc/codecs/ssm2602-i2c.c @@ -41,10 +41,19 @@ static const struct i2c_device_id ssm2602_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id); +static const struct of_device_id ssm2602_of_match[] = { + { .compatible = "adi,ssm2602", }, + { .compatible = "adi,ssm2603", }, + { .compatible = "adi,ssm2604", }, + { } +}; +MODULE_DEVICE_TABLE(of, ssm2602_of_match); + static struct i2c_driver ssm2602_i2c_driver = { .driver = { .name = "ssm2602", .owner = THIS_MODULE, + .of_match_table = ssm2602_of_match, }, .probe = ssm2602_i2c_probe, .remove = ssm2602_i2c_remove, diff --git a/sound/soc/codecs/ssm2602-spi.c b/sound/soc/codecs/ssm2602-spi.c index 2bf55e2..b5df14f 100644 --- a/sound/soc/codecs/ssm2602-spi.c +++ b/sound/soc/codecs/ssm2602-spi.c @@ -26,10 +26,17 @@ static int ssm2602_spi_remove(struct spi_device *spi) return 0; } +static const struct of_device_id ssm2602_of_match[] = { + { .compatible = "adi,ssm2602", }, + { } +}; +MODULE_DEVICE_TABLE(of, ssm2602_of_match); + static struct spi_driver ssm2602_spi_driver = { .driver = { .name = "ssm2602", .owner = THIS_MODULE, + .of_match_table = ssm2602_of_match, }, .probe = ssm2602_spi_probe, .remove = ssm2602_spi_remove,