Re: [PATCH 2/2 v2] iio: st_accel: support the LIS331DL sensor

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On 08/06/15 16:37, Denis CIOCCA wrote:
> Hi Jonathan,
> 
> Yes my ack was for the all series...Sorry!
> 
> Acked-by: Denis Ciocca <denis.ciocca@xxxxxx>
> 
Cool, added it.

Jonathan
> Denis
> 
> Sent from my phone
> 
>> On Jun 8, 2015, at 01:01, Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
>>
>>> On 19/05/15 14:37, Linus Walleij wrote:
>>> This adds support for the LIS331DL sensor version. This is
>>> a simple 8bit-only accelerometer.
>>>
>>> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
>> Applied to the togreg branch of iio.git - pushed out as testing for
>> the autobuilders to play with it.
>>
>> Dennis, if your ack covered this as well, then I can still add it
>> until I push out properly.
>>
>> Thanks,
>>
>> Jonathan
>>> ---
>>> ChangeLog v1->v2:
>>> - Change the full-scale sensitivity settings, apparently
>>>  this is the mg/digit setting multiplied by 1000, so
>>>  becomes microgram per digit, 18000 and 72000 respectively.
>>> ---
>>> .../devicetree/bindings/iio/st-sensors.txt         |  1 +
>>> drivers/iio/accel/st_accel.h                       |  1 +
>>> drivers/iio/accel/st_accel_core.c                  | 70 ++++++++++++++++++++++
>>> drivers/iio/accel/st_accel_i2c.c                   |  4 ++
>>> 4 files changed, 76 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/iio/st-sensors.txt b/Documentation/devicetree/bindings/iio/st-sensors.txt
>>> index fb5e0c2d18b5..8a6be3bdf267 100644
>>> --- a/Documentation/devicetree/bindings/iio/st-sensors.txt
>>> +++ b/Documentation/devicetree/bindings/iio/st-sensors.txt
>>> @@ -30,6 +30,7 @@ Accelerometers:
>>> - st,lsm330d-accel
>>> - st,lsm330dl-accel
>>> - st,lsm330dlc-accel
>>> +- st,lis331dl-accel
>>> - st,lis331dlh-accel
>>> - st,lsm303dl-accel
>>> - st,lsm303dlm-accel
>>> diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h
>>> index 7ee9724b1428..aa1001931d0c 100644
>>> --- a/drivers/iio/accel/st_accel.h
>>> +++ b/drivers/iio/accel/st_accel.h
>>> @@ -20,6 +20,7 @@
>>> #define LSM330D_ACCEL_DEV_NAME        "lsm330d_accel"
>>> #define LSM330DL_ACCEL_DEV_NAME        "lsm330dl_accel"
>>> #define LSM330DLC_ACCEL_DEV_NAME    "lsm330dlc_accel"
>>> +#define LIS331DL_ACCEL_DEV_NAME        "lis331dl_accel"
>>> #define LIS331DLH_ACCEL_DEV_NAME    "lis331dlh"
>>> #define LSM303DL_ACCEL_DEV_NAME        "lsm303dl_accel"
>>> #define LSM303DLH_ACCEL_DEV_NAME    "lsm303dlh_accel"
>>> diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
>>> index ad19fb4304df..970e9f904dde 100644
>>> --- a/drivers/iio/accel/st_accel_core.c
>>> +++ b/drivers/iio/accel/st_accel_core.c
>>> @@ -153,6 +153,28 @@
>>> #define ST_ACCEL_4_IG1_EN_MASK            0x08
>>> #define ST_ACCEL_4_MULTIREAD_BIT        true
>>>
>>> +/* CUSTOM VALUES FOR SENSOR 5 */
>>> +#define ST_ACCEL_5_WAI_EXP            0x3b
>>> +#define ST_ACCEL_5_ODR_ADDR            0x20
>>> +#define ST_ACCEL_5_ODR_MASK            0x80
>>> +#define ST_ACCEL_5_ODR_AVL_100HZ_VAL        0x00
>>> +#define ST_ACCEL_5_ODR_AVL_400HZ_VAL        0x01
>>> +#define ST_ACCEL_5_PW_ADDR            0x20
>>> +#define ST_ACCEL_5_PW_MASK            0x40
>>> +#define ST_ACCEL_5_FS_ADDR            0x20
>>> +#define ST_ACCEL_5_FS_MASK            0x20
>>> +#define ST_ACCEL_5_FS_AVL_2_VAL            0X00
>>> +#define ST_ACCEL_5_FS_AVL_8_VAL            0X01
>>> +/* TODO: check these resulting gain settings, these are not in the datsheet */
>>> +#define ST_ACCEL_5_FS_AVL_2_GAIN        IIO_G_TO_M_S_2(18000)
>>> +#define ST_ACCEL_5_FS_AVL_8_GAIN        IIO_G_TO_M_S_2(72000)
>>> +#define ST_ACCEL_5_DRDY_IRQ_ADDR        0x22
>>> +#define ST_ACCEL_5_DRDY_IRQ_INT1_MASK        0x04
>>> +#define ST_ACCEL_5_DRDY_IRQ_INT2_MASK        0x20
>>> +#define ST_ACCEL_5_IG1_EN_ADDR            0x21
>>> +#define ST_ACCEL_5_IG1_EN_MASK            0x08
>>> +#define ST_ACCEL_5_MULTIREAD_BIT        false
>>> +
>>> static const struct iio_chan_spec st_accel_8bit_channels[] = {
>>>    ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
>>>            BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
>>> @@ -470,6 +492,54 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
>>>        .multi_read_bit = ST_ACCEL_4_MULTIREAD_BIT,
>>>        .bootime = 2, /* guess */
>>>    },
>>> +    {
>>> +        .wai = ST_ACCEL_5_WAI_EXP,
>>> +        .sensors_supported = {
>>> +            [0] = LIS331DL_ACCEL_DEV_NAME,
>>> +        },
>>> +        .ch = (struct iio_chan_spec *)st_accel_8bit_channels,
>>> +        .odr = {
>>> +            .addr = ST_ACCEL_5_ODR_ADDR,
>>> +            .mask = ST_ACCEL_5_ODR_MASK,
>>> +            .odr_avl = {
>>> +                { 100, ST_ACCEL_5_ODR_AVL_100HZ_VAL },
>>> +                { 400, ST_ACCEL_5_ODR_AVL_400HZ_VAL, },
>>> +            },
>>> +        },
>>> +        .pw = {
>>> +            .addr = ST_ACCEL_5_PW_ADDR,
>>> +            .mask = ST_ACCEL_5_PW_MASK,
>>> +            .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
>>> +            .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
>>> +        },
>>> +        .enable_axis = {
>>> +            .addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
>>> +            .mask = ST_SENSORS_DEFAULT_AXIS_MASK,
>>> +        },
>>> +        .fs = {
>>> +            .addr = ST_ACCEL_5_FS_ADDR,
>>> +            .mask = ST_ACCEL_5_FS_MASK,
>>> +            .fs_avl = {
>>> +                [0] = {
>>> +                    .num = ST_ACCEL_FS_AVL_2G,
>>> +                    .value = ST_ACCEL_5_FS_AVL_2_VAL,
>>> +                    .gain = ST_ACCEL_5_FS_AVL_2_GAIN,
>>> +                },
>>> +                [1] = {
>>> +                    .num = ST_ACCEL_FS_AVL_8G,
>>> +                    .value = ST_ACCEL_5_FS_AVL_8_VAL,
>>> +                    .gain = ST_ACCEL_5_FS_AVL_8_GAIN,
>>> +                },
>>> +            },
>>> +        },
>>> +        .drdy_irq = {
>>> +            .addr = ST_ACCEL_5_DRDY_IRQ_ADDR,
>>> +            .mask_int1 = ST_ACCEL_5_DRDY_IRQ_INT1_MASK,
>>> +            .mask_int2 = ST_ACCEL_5_DRDY_IRQ_INT2_MASK,
>>> +        },
>>> +        .multi_read_bit = ST_ACCEL_5_MULTIREAD_BIT,
>>> +        .bootime = 2, /* guess */
>>> +    },
>>> };
>>>
>>> static int st_accel_read_raw(struct iio_dev *indio_dev,
>>> diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c
>>> index 6b720c190b2d..d4ad72ca4a3d 100644
>>> --- a/drivers/iio/accel/st_accel_i2c.c
>>> +++ b/drivers/iio/accel/st_accel_i2c.c
>>> @@ -49,6 +49,10 @@ static const struct of_device_id st_accel_of_match[] = {
>>>        .data = LSM330DLC_ACCEL_DEV_NAME,
>>>    },
>>>    {
>>> +        .compatible = "st,lis331dl-accel",
>>> +        .data = LIS331DL_ACCEL_DEV_NAME,
>>> +    },
>>> +    {
>>>        .compatible = "st,lis331dlh-accel",
>>>        .data = LIS331DLH_ACCEL_DEV_NAME,
>>>    },
>>
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