[PATCH v1 04/10] iio: adc: cpcap-adc: add support for Mot ADC

Svyatoslav Ryhel
2026-01-25T13:43:18Z

Add support for ADC found in Motorola Mot board, used as a base for
Atrix 4G and Droid X2 smartphones.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
drivers/iio/adc/cpcap-adc.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/cpcap-adc.c b/drivers/iio/adc/cpcap-adc.c
index d9ee2ea116a7..c25c22a1c03a 100644
--- a/drivers/iio/adc/cpcap-adc.c
+++ b/drivers/iio/adc/cpcap-adc.c
@@ -934,6 +934,17 @@ static const struct cpcap_adc_ato mapphone_adc = {
.atox_ps_factor_out = 0,
};

+static const struct cpcap_adc_ato mot_adc = {
+ .ato_in = 0x0300,
+ .atox_in = 0,
+ .adc_ps_factor_in = 0x0200,
+ .atox_ps_factor_in = 0,
+ .ato_out = 0x0780,
+ .atox_out = 0,
+ .adc_ps_factor_out = 0x0600,
+ .atox_ps_factor_out = 0,
+};
+
static const struct of_device_id cpcap_adc_id_table[] = {
{
.compatible = "motorola,cpcap-adc",
@@ -942,7 +953,11 @@ static const struct of_device_id cpcap_adc_id_table[] = {
.compatible = "motorola,mapphone-cpcap-adc",
.data = &mapphone_adc,
},
- { }
+ {
+ .compatible = "motorola,mot-cpcap-adc",
+ .data = &mot_adc,
+ },
+ { /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, cpcap_adc_id_table);

--
2.51.0