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This feature is specific to the axi ad408x IP core, therefore add new compatible string and corresponding iio_backend_ops. Reviewed-by: Nuno S=C3=A1 Signed-off-by: Antoniu Miclaus --- no changes in v5. drivers/iio/adc/adi-axi-adc.c | 38 +++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index 61ab7dce43be..2a3a6c3f5e59 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -52,6 +52,7 @@ #define AXI_AD485X_PACKET_FORMAT_20BIT 0x0 #define AXI_AD485X_PACKET_FORMAT_24BIT 0x1 #define AXI_AD485X_PACKET_FORMAT_32BIT 0x2 +#define AXI_AD408X_CNTRL_3_FILTER_EN_MSK BIT(0) =20 #define ADI_AXI_ADC_REG_DRP_STATUS 0x0074 #define ADI_AXI_ADC_DRP_LOCKED BIT(17) @@ -402,6 +403,19 @@ static int axi_adc_ad485x_oversampling_ratio_set(struc= t iio_backend *back, } } =20 +static int axi_adc_ad408x_filter_type_set(struct iio_backend *back, + enum iio_backend_filter_type type) +{ + struct adi_axi_adc_state *st =3D iio_backend_get_priv(back); + + if (type) + return regmap_set_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AXI_AD408X_CNTRL_3_FILTER_EN_MSK); + + return regmap_clear_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AXI_AD408X_CNTRL_3_FILTER_EN_MSK); +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -582,6 +596,24 @@ static const struct iio_backend_info axi_ad485x =3D { .ops =3D &adi_ad485x_ops, }; =20 +static const struct iio_backend_ops adi_ad408x_ops =3D { + .enable =3D axi_adc_enable, + .disable =3D axi_adc_disable, + .chan_enable =3D axi_adc_chan_enable, + .chan_disable =3D axi_adc_chan_disable, + .request_buffer =3D axi_adc_request_buffer, + .free_buffer =3D axi_adc_free_buffer, + .data_sample_trigger =3D axi_adc_data_sample_trigger, + .filter_type_set =3D axi_adc_ad408x_filter_type_set, + .debugfs_reg_access =3D iio_backend_debugfs_ptr(axi_adc_reg_access), + .debugfs_print_chan_status =3D iio_backend_debugfs_ptr(axi_adc_debugfs_pr= int_chan_status), +}; + +static const struct iio_backend_info axi_ad408x =3D { + .name =3D "axi-ad408x", + .ops =3D &adi_ad408x_ops, +}; + static int adi_axi_adc_probe(struct platform_device *pdev) { struct adi_axi_adc_state *st; @@ -697,9 +729,15 @@ static const struct axi_adc_info adc_ad7606 =3D { .has_child_nodes =3D true, }; =20 +static const struct axi_adc_info adi_axi_ad408x =3D { + .version =3D ADI_AXI_PCORE_VER(10, 0, 'a'), + .backend_info =3D &axi_ad408x, +}; + /* Match table for of_platform binding */ static const struct of_device_id adi_axi_adc_of_match[] =3D { { .compatible =3D "adi,axi-adc-10.0.a", .data =3D &adc_generic }, + { .compatible =3D "adi,axi-ad408x", .data =3D &adi_axi_ad408x }, { .compatible =3D "adi,axi-ad485x", .data =3D &adi_axi_ad485x }, { .compatible =3D "adi,axi-ad7606x", .data =3D &adc_ad7606 }, { /* end of list */ } --=20 2.49.0