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[209.132.180.67]) by mx.google.com with ESMTP id h1si12075908plh.265.2019.03.13.11.40.25; Wed, 13 Mar 2019 11:40:26 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=cJL8Luw2; spf=pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727203AbfCMSkX (ORCPT + 7 others); Wed, 13 Mar 2019 14:40:23 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:51957 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727199AbfCMSkW (ORCPT ); Wed, 13 Mar 2019 14:40:22 -0400 Received: by mail-wm1-f67.google.com with SMTP id n19so355833wmi.1 for ; Wed, 13 Mar 2019 11:40:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=YBROu6s1aUqFXVAOn6ZhMxPUlZjIbwtgWmPTml7WQYY=; b=cJL8Luw2mmbur8J9ux/dfWGjDSuhM4V6OBO3gN6evqtSl4a/odxL3hVjoH7RdSTmX2 X1t9q2IWQLE4x77IqfdD8eTk78h+vMaleJ8dpeZq+CjAMxCg08nUr9wVMhVg+uyjY5k4 IEp2WQRf+uj30w2DASs2AYEdGqG/2whPVOf5IPzaAFCVsHmjut82rLRmNAmXkoO7XuES 3HvkHOqTOnQI9hXvYgbmJp+fONO3RRwGZw8OmY38W9DWscC3nJ9LIWCZsLULBuuib+IW IeOnD8QKnPp1QSAokz4UvMFGGXIFtQowpVcqc3FvzbtV9CwOmVVPbB3ytCS56+H4Cy8v ktsA== 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:mime-version:content-transfer-encoding; bh=YBROu6s1aUqFXVAOn6ZhMxPUlZjIbwtgWmPTml7WQYY=; b=G47GvRt2hBEfuaCw+7Scv+vudOfnZBUWPAbOvtXhcBnu1EsmLK2DPxO887Q0118Fgb XnVXSxtGt0J8iAXanCUIl1K+KZ8YlC9Csbl7+AQPLZN2So3s4CleNxGlvBzFsUNx2R+/ rx4w9soZaHeSKJzBjH3EhVT9J281JhDEQglm1YCwXZdYXr7jpH44iT/53cFIMP8ImHRo SOjOeCaSV3yLUdcKMtzOlcoYNiIawl6i4uwzc5ukhzcH5UBJIbofPQZpseb8WuUyrI4x GA6qAMqHhgaxPU7zNtjDjRhwRz6bJ8gEA1jp9B9eeboJeI0PE9cSECrp8NhXyBlAxXc8 vqyg== X-Gm-Message-State: APjAAAWUugz0HFtvk16qkulmS/dcuGUmjepnoovVcg1cZD5IVN4IGGOC D9HrHsy0c1LhNa193G5YKYKu4g== X-Received: by 2002:a1c:1cf:: with SMTP id 198mr3120510wmb.52.1552502420799; Wed, 13 Mar 2019 11:40:20 -0700 (PDT) Received: from arch-late.localdomain ([87.196.73.151]) by smtp.gmail.com with ESMTPSA id p17sm3829660wmi.35.2019.03.13.11.40.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Mar 2019 11:40:20 -0700 (PDT) From: Rui Miguel Silva To: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Shawn Guo , Rob Herring , Fabio Estevam Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Rui Miguel Silva Subject: [PATCH v3 4/6] iio: gyro: fxas21002c: add spi driver Date: Wed, 13 Mar 2019 18:40:00 +0000 Message-Id: <20190313184002.2501-5-rui.silva@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190313184002.2501-1-rui.silva@linaro.org> References: <20190313184002.2501-1-rui.silva@linaro.org> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add driver to talk over spi to a fxas21002c gyroscope device and use the core as main controller. Signed-off-by: Rui Miguel Silva --- drivers/iio/gyro/Kconfig | 7 +++- drivers/iio/gyro/Makefile | 1 + drivers/iio/gyro/fxas21002c_spi.c | 69 +++++++++++++++++++++++++++++++ 3 files changed, 76 insertions(+), 1 deletion(-) create mode 100644 drivers/iio/gyro/fxas21002c_spi.c -- 2.20.1 diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig index 71b6552ee06b..61c00cee037d 100644 --- a/drivers/iio/gyro/Kconfig +++ b/drivers/iio/gyro/Kconfig @@ -78,7 +78,8 @@ config FXAS21002C select IIO_BUFFER select IIO_TRIGGERED_BUFFER select FXAS21002C_I2C if (I2C) - depends on I2C + select FXAS21002C_SPI if (SPI) + depends on (I2C || SPI_MASTER) help Say yes here to build support for NXP FXAS21002C Tri-axis Gyro Sensor driver connected via I2C or SPI. @@ -90,6 +91,10 @@ config FXAS21002C_I2C tristate select REGMAP_I2C +config FXAS21002C_SPI + tristate + select REGMAP_SPI + config HID_SENSOR_GYRO_3D depends on HID_SENSOR_HUB select IIO_BUFFER diff --git a/drivers/iio/gyro/Makefile b/drivers/iio/gyro/Makefile index adc18a5eb283..45cbd5dc644e 100644 --- a/drivers/iio/gyro/Makefile +++ b/drivers/iio/gyro/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o obj-$(CONFIG_BMG160_SPI) += bmg160_spi.o obj-$(CONFIG_FXAS21002C) += fxas21002c_core.o obj-$(CONFIG_FXAS21002C_I2C) += fxas21002c_i2c.o +obj-$(CONFIG_FXAS21002C_SPI) += fxas21002c_spi.o obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o diff --git a/drivers/iio/gyro/fxas21002c_spi.c b/drivers/iio/gyro/fxas21002c_spi.c new file mode 100644 index 000000000000..88a4e9acad24 --- /dev/null +++ b/drivers/iio/gyro/fxas21002c_spi.c @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Driver for NXP Fxas21002c Gyroscope - SPI + * + * Copyright (C) 2019 Linaro Ltd. + */ + +#include +#include +#include +#include + +#include "fxas21002c.h" + +static const struct regmap_config fxas21002c_regmap_spi_conf = { + .reg_bits = 8, + .val_bits = 8, + .max_register = FXAS21002C_REG_CTRL3, +}; + +static int fxas21002c_spi_probe(struct spi_device *spi) +{ + const struct spi_device_id *id = spi_get_device_id(spi); + struct regmap *regmap; + + regmap = devm_regmap_init_spi(spi, &fxas21002c_regmap_spi_conf); + if (IS_ERR(regmap)) { + dev_err(&spi->dev, "Failed to register spi regmap: %ld\n", + PTR_ERR(regmap)); + return PTR_ERR(regmap); + } + + return fxas21002c_core_probe(&spi->dev, regmap, spi->irq, id->name); +} + +static int fxas21002c_spi_remove(struct spi_device *spi) +{ + fxas21002c_core_remove(&spi->dev); + + return 0; +} + +static const struct spi_device_id fxas21002c_spi_id[] = { + { "fxas21002c", 0 }, + { } +}; +MODULE_DEVICE_TABLE(spi, fxas21002c_spi_id); + +static const struct of_device_id fxas21002c_spi_of_match[] = { + { .compatible = "nxp,fxas21002c", }, + { }, +}; +MODULE_DEVICE_TABLE(of, fxas21002c_spi_of_match); + +static struct spi_driver fxas21002c_spi_driver = { + .driver = { + .name = "fxas21002c_spi", + .pm = &fxas21002c_pm_ops, + .of_match_table = of_match_ptr(fxas21002c_spi_of_match), + }, + .probe = fxas21002c_spi_probe, + .remove = fxas21002c_spi_remove, + .id_table = fxas21002c_spi_id, +}; +module_spi_driver(fxas21002c_spi_driver); + +MODULE_AUTHOR("Rui Miguel Silva "); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("FXAS21002C SPI Gyro driver");