Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
iio: adc: adi-axi-adc: add num lanes support
Add support for setting the number of lanes enabled.
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20250516082630.8236-8-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by
Antoniu Miclaus
and committed by
Jonathan Cameron
569ddc41
d2ca659c
+15
+15
drivers/iio/adc/adi-axi-adc.c
+15
drivers/iio/adc/adi-axi-adc.c
···
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#define ADI_AXI_ADC_REG_CONFIG_CMOS_OR_LVDS_N BIT(7)
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#define ADI_AXI_ADC_REG_CTRL 0x0044
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+
#define ADI_AXI_ADC_CTRL_NUM_LANES_MSK GENMASK(12, 8)
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#define ADI_AXI_ADC_CTRL_SYNC_MSK BIT(3)
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#define ADI_AXI_ADC_CTRL_DDR_EDGESEL_MASK BIT(1)
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···
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1, timeout_us);
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}
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static int axi_adc_num_lanes_set(struct iio_backend *back,
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unsigned int num_lanes)
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{
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struct adi_axi_adc_state *st = iio_backend_get_priv(back);
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if (!num_lanes)
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return -EINVAL;
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return regmap_update_bits(st->regmap, ADI_AXI_ADC_REG_CTRL,
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ADI_AXI_ADC_CTRL_NUM_LANES_MSK,
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FIELD_PREP(ADI_AXI_ADC_CTRL_NUM_LANES_MSK, num_lanes));
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}
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+
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static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back,
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struct iio_dev *indio_dev)
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{
···
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.data_sample_trigger = axi_adc_data_sample_trigger,
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.filter_type_set = axi_adc_ad408x_filter_type_set,
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.interface_data_align = axi_adc_ad408x_interface_data_align,
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+
.num_lanes_set = axi_adc_num_lanes_set,
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.debugfs_reg_access = iio_backend_debugfs_ptr(axi_adc_reg_access),
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.debugfs_print_chan_status = iio_backend_debugfs_ptr(axi_adc_debugfs_print_chan_status),
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};