mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-10 04:29:11 -04:00
Code Issues Packages Projects Releases Wiki Activity

iio: adc: ad7380: move internal reference voltage to chip_info

Browse Source 
Move the internal reference voltage value to the chip_info structure.

Before this change, only ADAQ chips could be internal_ref_only and only
non-ADAQ chips could be external_ref_only. Now, this restriction is
removed.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250401-iio-ad7380-add-ad7389-4-v1-3-23d2568aa24f@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner
2025-04-01 17:50:10 -05:00
committed by Jonathan Cameron
parent abb97cc0ff
commit d63a749bf7
1 changed files with 20 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/iio/adc/ad7380.c
View File

@@ -120,6 +120,7 @@ struct ad7380_chip_info {
unsigned int num_supplies;
bool external_ref_only;
bool internal_ref_only;
unsigned int internal_ref_mv;
const char * const *vcm_supplies;
unsigned int num_vcm_supplies;
const unsigned long *available_scan_masks;
@@ -609,6 +610,7 @@ static const struct ad7380_chip_info ad7380_chip_info = {
.num_simult_channels = 2,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.available_scan_masks = ad7380_2_channel_scan_masks,
.timing_specs = &ad7380_timing,
.max_conversion_rate_hz = 4 * MEGA,
@@ -622,6 +624,7 @@ static const struct ad7380_chip_info ad7381_chip_info = {
.num_simult_channels = 2,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.available_scan_masks = ad7380_2_channel_scan_masks,
.timing_specs = &ad7380_timing,
.max_conversion_rate_hz = 4 * MEGA,
@@ -637,6 +640,7 @@ static const struct ad7380_chip_info ad7383_chip_info = {
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.vcm_supplies = ad7380_2_channel_vcm_supplies,
.num_vcm_supplies = ARRAY_SIZE(ad7380_2_channel_vcm_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.available_scan_masks = ad7380_2_channel_scan_masks,
.timing_specs = &ad7380_timing,
.max_conversion_rate_hz = 4 * MEGA,
@@ -652,6 +656,7 @@ static const struct ad7380_chip_info ad7384_chip_info = {
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.vcm_supplies = ad7380_2_channel_vcm_supplies,
.num_vcm_supplies = ARRAY_SIZE(ad7380_2_channel_vcm_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.available_scan_masks = ad7380_2_channel_scan_masks,
.timing_specs = &ad7380_timing,
.max_conversion_rate_hz = 4 * MEGA,
@@ -665,6 +670,7 @@ static const struct ad7380_chip_info ad7386_chip_info = {
.num_simult_channels = 2,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.has_mux = true,
.available_scan_masks = ad7380_2x2_channel_scan_masks,
.timing_specs = &ad7380_timing,
@@ -679,6 +685,7 @@ static const struct ad7380_chip_info ad7387_chip_info = {
.num_simult_channels = 2,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.has_mux = true,
.available_scan_masks = ad7380_2x2_channel_scan_masks,
.timing_specs = &ad7380_timing,
@@ -693,6 +700,7 @@ static const struct ad7380_chip_info ad7388_chip_info = {
.num_simult_channels = 2,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.has_mux = true,
.available_scan_masks = ad7380_2x2_channel_scan_masks,
.timing_specs = &ad7380_timing,
@@ -721,6 +729,7 @@ static const struct ad7380_chip_info ad7381_4_chip_info = {
.num_simult_channels = 4,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.available_scan_masks = ad7380_4_channel_scan_masks,
.timing_specs = &ad7380_4_timing,
.max_conversion_rate_hz = 4 * MEGA,
@@ -734,6 +743,7 @@ static const struct ad7380_chip_info ad7383_4_chip_info = {
.num_simult_channels = 4,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.vcm_supplies = ad7380_4_channel_vcm_supplies,
.num_vcm_supplies = ARRAY_SIZE(ad7380_4_channel_vcm_supplies),
.available_scan_masks = ad7380_4_channel_scan_masks,
@@ -749,6 +759,7 @@ static const struct ad7380_chip_info ad7384_4_chip_info = {
.num_simult_channels = 4,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.vcm_supplies = ad7380_4_channel_vcm_supplies,
.num_vcm_supplies = ARRAY_SIZE(ad7380_4_channel_vcm_supplies),
.available_scan_masks = ad7380_4_channel_scan_masks,
@@ -764,6 +775,7 @@ static const struct ad7380_chip_info ad7386_4_chip_info = {
.num_simult_channels = 4,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.has_mux = true,
.available_scan_masks = ad7380_2x4_channel_scan_masks,
.timing_specs = &ad7380_4_timing,
@@ -778,6 +790,7 @@ static const struct ad7380_chip_info ad7387_4_chip_info = {
.num_simult_channels = 4,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.has_mux = true,
.available_scan_masks = ad7380_2x4_channel_scan_masks,
.timing_specs = &ad7380_4_timing,
@@ -792,6 +805,7 @@ static const struct ad7380_chip_info ad7388_4_chip_info = {
.num_simult_channels = 4,
.supplies = ad7380_supplies,
.num_supplies = ARRAY_SIZE(ad7380_supplies),
.internal_ref_mv = AD7380_INTERNAL_REF_MV,
.has_mux = true,
.available_scan_masks = ad7380_2x4_channel_scan_masks,
.timing_specs = &ad7380_4_timing,
@@ -807,6 +821,7 @@ static const struct ad7380_chip_info adaq4370_4_chip_info = {
.supplies = adaq4380_supplies,
.num_supplies = ARRAY_SIZE(adaq4380_supplies),
.internal_ref_only = true,
.internal_ref_mv = ADAQ4380_INTERNAL_REF_MV,
.has_hardware_gain = true,
.available_scan_masks = ad7380_4_channel_scan_masks,
.timing_specs = &ad7380_4_timing,
@@ -822,6 +837,7 @@ static const struct ad7380_chip_info adaq4380_4_chip_info = {
.supplies = adaq4380_supplies,
.num_supplies = ARRAY_SIZE(adaq4380_supplies),
.internal_ref_only = true,
.internal_ref_mv = ADAQ4380_INTERNAL_REF_MV,
.has_hardware_gain = true,
.available_scan_masks = ad7380_4_channel_scan_masks,
.timing_specs = &ad7380_4_timing,
@@ -837,6 +853,7 @@ static const struct ad7380_chip_info adaq4381_4_chip_info = {
.supplies = adaq4380_supplies,
.num_supplies = ARRAY_SIZE(adaq4380_supplies),
.internal_ref_only = true,
.internal_ref_mv = ADAQ4380_INTERNAL_REF_MV,
.has_hardware_gain = true,
.available_scan_masks = ad7380_4_channel_scan_masks,
.timing_specs = &ad7380_4_timing,
@@ -1855,7 +1872,7 @@ static int ad7380_probe(struct spi_device *spi)
* in bulk_get_enable().
*/
st->vref_mv = ADAQ4380_INTERNAL_REF_MV;
st->vref_mv = st->chip_info->internal_ref_mv;
/* these chips don't have a register bit for this */
external_ref_en = false;
@@ -1880,7 +1897,8 @@ static int ad7380_probe(struct spi_device *spi)
"Failed to get refio regulator\n");
external_ref_en = ret != -ENODEV;
st->vref_mv = external_ref_en ? ret / 1000 : AD7380_INTERNAL_REF_MV;
st->vref_mv = external_ref_en ? ret / 1000
: st->chip_info->internal_ref_mv;
}
if (st->chip_info->num_vcm_supplies > ARRAY_SIZE(st->vcm_mv))