From: Markus Pargmann <mpa@pengutronix.de>
To: Jonathan Cameron <jic23@kernel.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
Irina Tirdea <irina.tirdea@intel.com>,
Vlad Dogaru <vlad.dogaru@intel.com>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel@pengutronix.de, Markus Pargmann <mpa@pengutronix.de>
Subject: [PATCH v4 2/2] iio: bmg160: Add SPI driver
Date: Wed, 19 Aug 2015 14:12:46 +0200 [thread overview]
Message-ID: <1439986366-25291-3-git-send-email-mpa@pengutronix.de> (raw)
In-Reply-To: <1439986366-25291-1-git-send-email-mpa@pengutronix.de>
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
---
drivers/iio/gyro/Kconfig | 7 +++++-
drivers/iio/gyro/Makefile | 1 +
drivers/iio/gyro/bmg160_spi.c | 57 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 64 insertions(+), 1 deletion(-)
create mode 100644 drivers/iio/gyro/bmg160_spi.c
diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig
index 94526b13d49f..e816d29d6a62 100644
--- a/drivers/iio/gyro/Kconfig
+++ b/drivers/iio/gyro/Kconfig
@@ -56,18 +56,23 @@ config BMG160
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
select BMG160_I2C if (I2C)
+ select BMG160_SPI if (SPI)
help
Say yes here to build support for BOSCH BMG160 Tri-axis Gyro Sensor
driver connected via I2C or SPI. This driver also supports BMI055
gyroscope.
This driver can also be built as a module. If so, the module
- will be called bmg160_i2c.
+ will be called bmg160_i2c or bmg160_spi.
config BMG160_I2C
tristate
select REGMAP_I2C
+config BMG160_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 608401041550..f866a4be0667 100644
--- a/drivers/iio/gyro/Makefile
+++ b/drivers/iio/gyro/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_ADIS16260) += adis16260.o
obj-$(CONFIG_ADXRS450) += adxrs450.o
obj-$(CONFIG_BMG160) += bmg160_core.o
obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o
+obj-$(CONFIG_BMG160_SPI) += bmg160_spi.o
obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o
diff --git a/drivers/iio/gyro/bmg160_spi.c b/drivers/iio/gyro/bmg160_spi.c
new file mode 100644
index 000000000000..021ea5fe6a37
--- /dev/null
+++ b/drivers/iio/gyro/bmg160_spi.c
@@ -0,0 +1,57 @@
+#include <linux/spi/spi.h>
+#include <linux/regmap.h>
+#include <linux/iio/iio.h>
+#include <linux/module.h>
+
+#include "bmg160.h"
+
+static const struct regmap_config bmg160_regmap_spi_conf = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x3f,
+};
+
+static int bmg160_spi_probe(struct spi_device *spi)
+{
+ struct regmap *regmap;
+ const struct spi_device_id *id = spi_get_device_id(spi);
+
+ regmap = devm_regmap_init_spi(spi, &bmg160_regmap_spi_conf);
+ if (IS_ERR(regmap)) {
+ dev_err(&spi->dev, "Failed to register spi regmap %d\n",
+ (int)PTR_ERR(regmap));
+ return PTR_ERR(regmap);
+ }
+
+ return bmg160_core_probe(&spi->dev, regmap, spi->irq, id->name);
+}
+
+static int bmg160_spi_remove(struct spi_device *spi)
+{
+ bmg160_core_remove(&spi->dev);
+
+ return 0;
+}
+
+static const struct spi_device_id bmg160_spi_id[] = {
+ {"bmg160", 0},
+ {"bmi055_gyro", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(spi, bmg160_spi_id);
+
+static struct spi_driver bmg160_spi_driver = {
+ .driver = {
+ .name = "bmg160_spi",
+ .pm = &bmg160_pm_ops,
+ },
+ .probe = bmg160_spi_probe,
+ .remove = bmg160_spi_remove,
+ .id_table = bmg160_spi_id,
+};
+module_spi_driver(bmg160_spi_driver);
+
+MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("BMG160 SPI Gyro driver");
--
2.4.6
next prev parent reply other threads:[~2015-08-19 12:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-19 12:12 [PATCH v4 0/2] iio: bmg160: Add SPI connection Markus Pargmann
2015-08-19 12:12 ` [PATCH v4 1/2] iio: bmg160: Separate i2c and core driver Markus Pargmann
2015-08-31 16:05 ` Jonathan Cameron
2015-09-14 14:26 ` Markus Pargmann
2015-08-19 12:12 ` Markus Pargmann [this message]
2015-08-31 16:06 ` [PATCH v4 2/2] iio: bmg160: Add SPI driver Jonathan Cameron
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