From 27b832427e060d4e963c610d07860e5dbe1daafa Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Fri, 1 Nov 2013 05:35:00 +0000 Subject: [PATCH] iio:magnetometer:hmc5843 - add basic dt support Compatible string, documenation and an optional gpio for the dataready pin. Signed-off-by: NeilBrown Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/magnetometer/hmc5843.txt | 17 +++++++++++++++++ drivers/staging/iio/magnetometer/hmc5843.c | 7 +++++++ 2 files changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/hmc5843.txt diff --git a/Documentation/devicetree/bindings/iio/magnetometer/hmc5843.txt b/Documentation/devicetree/bindings/iio/magnetometer/hmc5843.txt new file mode 100644 index 0000000..90d5f34 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/hmc5843.txt @@ -0,0 +1,17 @@ +* Honeywell HMC5843 magnetometer sensor + +Required properties: + + - compatible : should be "honeywell,hmc5843" + - reg : the I2C address of the magnetometer - typically 0x1e + +Optional properties: + + - gpios : should be device tree identifier of the magnetometer DRDY pin + +Example: + +hmc5843@1e { + compatible = "honeywell,hmc5843" + reg = <0x1e>; +}; diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c index 99421f9..bdb0188 100644 --- a/drivers/staging/iio/magnetometer/hmc5843.c +++ b/drivers/staging/iio/magnetometer/hmc5843.c @@ -624,10 +624,17 @@ static const struct i2c_device_id hmc5843_id[] = { }; MODULE_DEVICE_TABLE(i2c, hmc5843_id); +static const struct of_device_id hmc5843_of_match[] = { + { .compatible = "honeywell,hmc5843" }, + {} +}; +MODULE_DEVICE_TABLE(of, hmc5843_of_match); + static struct i2c_driver hmc5843_driver = { .driver = { .name = "hmc5843", .pm = HMC5843_PM_OPS, + .of_match_table = of_match_ptr(hmc5843_of_match), }, .id_table = hmc5843_id, .probe = hmc5843_probe, -- 2.7.4