On 09/03/16 11:01, Martin Kepplinger wrote: > This adds support for Freescale's (now NXP's) FXLS8471Q accelerometer. > > We use MMA8451Q's configuration because for what the driver supports, > FXLS8471Q is the same. > > Support for FXLS8471Q's features (fast SPI interface and a larger FIFO, > among others) can be added to this driver anytime. > > See it's datasheet for the details: > http://cache.nxp.com/files/sensors/doc/data_sheet/FXLS8471Q.pdf > > Signed-off-by: Martin Kepplinger <[email protected]> Applied to the togreg branch of iio.git. Initially pushed out as testing for the autobuilders to play with it.
Thanks, Jonathan > --- > revision history: > v2: > forgot to add i2c_device_id to table, for consistency > > > .../devicetree/bindings/iio/accel/mma8452.txt | 3 ++- > drivers/iio/accel/Kconfig | 3 ++- > drivers/iio/accel/mma8452.c | 22 > ++++++++++++++++++++++ > 3 files changed, 26 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/iio/accel/mma8452.txt > b/Documentation/devicetree/bindings/iio/accel/mma8452.txt > index 165937e..45f5c5c 100644 > --- a/Documentation/devicetree/bindings/iio/accel/mma8452.txt > +++ b/Documentation/devicetree/bindings/iio/accel/mma8452.txt > @@ -1,4 +1,4 @@ > -Freescale MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC or MMA8653FC > +Freescale MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC or FXLS8471Q > triaxial accelerometer > > Required properties: > @@ -9,6 +9,7 @@ Required properties: > * "fsl,mma8453" > * "fsl,mma8652" > * "fsl,mma8653" > + * "fsl,fxls8471" > > - reg: the I2C address of the chip > > diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig > index b0d3ecf..c0f56f4 100644 > --- a/drivers/iio/accel/Kconfig > +++ b/drivers/iio/accel/Kconfig > @@ -143,7 +143,8 @@ config MMA8452 > select IIO_TRIGGERED_BUFFER > help > Say yes here to build support for the following Freescale 3-axis > - accelerometers: MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC. > + accelerometers: MMA8451Q, MMA8452Q, MMA8453Q, MMA8652FC, MMA8653FC, > + FXLS8471Q. > > To compile this driver as a module, choose M here: the module > will be called mma8452. > diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c > index 5ca0d16..305ed0e 100644 > --- a/drivers/iio/accel/mma8452.c > +++ b/drivers/iio/accel/mma8452.c > @@ -6,6 +6,7 @@ > * MMA8453Q (10 bit) > * MMA8652FC (12 bit) > * MMA8653FC (10 bit) > + * FXLS8471Q (14 bit) > * > * Copyright 2015 Martin Kepplinger <[email protected]> > * Copyright 2014 Peter Meerwald <[email protected]> > @@ -92,6 +93,7 @@ > #define MMA8453_DEVICE_ID 0x3a > #define MMA8652_DEVICE_ID 0x4a > #define MMA8653_DEVICE_ID 0x5a > +#define FXLS8471_DEVICE_ID 0x6a > > #define MMA8452_AUTO_SUSPEND_DELAY_MS 2000 > > @@ -1055,6 +1057,7 @@ enum { > mma8453, > mma8652, > mma8653, > + fxls8471, > }; > > static const struct mma_chip_info mma_chip_info_table[] = { > @@ -1146,6 +1149,22 @@ static const struct mma_chip_info > mma_chip_info_table[] = { > .ev_ths_mask = MMA8452_FF_MT_THS_MASK, > .ev_count = MMA8452_FF_MT_COUNT, > }, > + [fxls8471] = { > + .chip_id = FXLS8471_DEVICE_ID, > + .channels = mma8451_channels, > + .num_channels = ARRAY_SIZE(mma8451_channels), > + .mma_scales = { {0, 2394}, {0, 4788}, {0, 9577} }, > + .ev_cfg = MMA8452_TRANSIENT_CFG, > + .ev_cfg_ele = MMA8452_TRANSIENT_CFG_ELE, > + .ev_cfg_chan_shift = 1, > + .ev_src = MMA8452_TRANSIENT_SRC, > + .ev_src_xe = MMA8452_TRANSIENT_SRC_XTRANSE, > + .ev_src_ye = MMA8452_TRANSIENT_SRC_YTRANSE, > + .ev_src_ze = MMA8452_TRANSIENT_SRC_ZTRANSE, > + .ev_ths = MMA8452_TRANSIENT_THS, > + .ev_ths_mask = MMA8452_TRANSIENT_THS_MASK, > + .ev_count = MMA8452_TRANSIENT_COUNT, > + }, > }; > > static struct attribute *mma8452_attributes[] = { > @@ -1275,6 +1294,7 @@ static const struct of_device_id mma8452_dt_ids[] = { > { .compatible = "fsl,mma8453", .data = &mma_chip_info_table[mma8453] }, > { .compatible = "fsl,mma8652", .data = &mma_chip_info_table[mma8652] }, > { .compatible = "fsl,mma8653", .data = &mma_chip_info_table[mma8653] }, > + { .compatible = "fsl,fxls8471", .data = &mma_chip_info_table[fxls8471] > }, > { } > }; > MODULE_DEVICE_TABLE(of, mma8452_dt_ids); > @@ -1312,6 +1332,7 @@ static int mma8452_probe(struct i2c_client *client, > case MMA8453_DEVICE_ID: > case MMA8652_DEVICE_ID: > case MMA8653_DEVICE_ID: > + case FXLS8471_DEVICE_ID: > if (ret == data->chip_info->chip_id) > break; > default: > @@ -1518,6 +1539,7 @@ static const struct i2c_device_id mma8452_id[] = { > { "mma8453", mma8453 }, > { "mma8652", mma8652 }, > { "mma8653", mma8653 }, > + { "fxls8471", fxls8471 }, > { } > }; > MODULE_DEVICE_TABLE(i2c, mma8452_id); >
