On 07/01/25 11:13, Nayabbasha.Sayed@xxxxxxxxxxxxx wrote: > On 04/01/25 19:08, Jonathan Cameron wrote: >> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe >> >> On Fri, 03 Jan 2025 16:50:40 +0530 >> Nayab Sayed via B4 Relay <devnull+nayabbasha.sayed.microchip.com@xxxxxxxxxx> wrote: >> >>> From: Nayab Sayed <nayabbasha.sayed@xxxxxxxxxxxxx> >>> >>> The number of valid bits in SAMA7G5 ADC channel data register are 16. >>> Hence changing the realbits value to 16 >>> >>> Signed-off-by: Nayab Sayed <nayabbasha.sayed@xxxxxxxxxxxxx> >> Please send an appropriate fixes tag so we know how far to backport. >> In reply to this mail is fine (no need to send a v2 for that) > Fixes: 840bf6cb983f: ("iio: adc: at91-sama5d2_adc: add support for > sama7g5 device") Small correction: Fixes: 840bf6cb983f (iio: adc: at91-sama5d2_adc: add support for sama7g5 device) Thanks, Nayab > > Thanks, > Nayab > >> Thanks, >> >> Jonathan >> >>> --- >>> drivers/iio/adc/at91-sama5d2_adc.c | 68 ++++++++++++++++++++++---------------- >>> 1 file changed, 40 insertions(+), 28 deletions(-) >>> >>> diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c >>> index 8e5aaf15a921..c3a1dea2aa82 100644 >>> --- a/drivers/iio/adc/at91-sama5d2_adc.c >>> +++ b/drivers/iio/adc/at91-sama5d2_adc.c >>> @@ -329,7 +329,7 @@ static const struct at91_adc_reg_layout sama7g5_layout = { >>> #define AT91_HWFIFO_MAX_SIZE_STR "128" >>> #define AT91_HWFIFO_MAX_SIZE 128 >>> >>> -#define AT91_SAMA5D2_CHAN_SINGLE(index, num, addr) \ >>> +#define AT91_SAMA_CHAN_SINGLE(index, num, addr, rbits) \ >>> { \ >>> .type = IIO_VOLTAGE, \ >>> .channel = num, \ >>> @@ -337,7 +337,7 @@ static const struct at91_adc_reg_layout sama7g5_layout = { >>> .scan_index = index, \ >>> .scan_type = { \ >>> .sign = 'u', \ >>> - .realbits = 14, \ >>> + .realbits = rbits, \ >>> .storagebits = 16, \ >>> }, \ >>> .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ >>> @@ -350,7 +350,13 @@ static const struct at91_adc_reg_layout sama7g5_layout = { >>> .indexed = 1, \ >>> } >>> >>> -#define AT91_SAMA5D2_CHAN_DIFF(index, num, num2, addr) \ >>> +#define AT91_SAMA5D2_CHAN_SINGLE(index, num, addr) \ >>> + AT91_SAMA_CHAN_SINGLE(index, num, addr, 14) >>> + >>> +#define AT91_SAMA7G5_CHAN_SINGLE(index, num, addr) \ >>> + AT91_SAMA_CHAN_SINGLE(index, num, addr, 16) >>> + >>> +#define AT91_SAMA_CHAN_DIFF(index, num, num2, addr, rbits) \ >>> { \ >>> .type = IIO_VOLTAGE, \ >>> .differential = 1, \ >>> @@ -360,7 +366,7 @@ static const struct at91_adc_reg_layout sama7g5_layout = { >>> .scan_index = index, \ >>> .scan_type = { \ >>> .sign = 's', \ >>> - .realbits = 14, \ >>> + .realbits = rbits, \ >>> .storagebits = 16, \ >>> }, \ >>> .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ >>> @@ -373,6 +379,12 @@ static const struct at91_adc_reg_layout sama7g5_layout = { >>> .indexed = 1, \ >>> } >>> >>> +#define AT91_SAMA5D2_CHAN_DIFF(index, num, num2, addr) \ >>> + AT91_SAMA_CHAN_DIFF(index, num, num2, addr, 14) >>> + >>> +#define AT91_SAMA7G5_CHAN_DIFF(index, num, num2, addr) \ >>> + AT91_SAMA_CHAN_DIFF(index, num, num2, addr, 16) >>> + >>> #define AT91_SAMA5D2_CHAN_TOUCH(num, name, mod) \ >>> { \ >>> .type = IIO_POSITIONRELATIVE, \ >>> @@ -666,30 +678,30 @@ static const struct iio_chan_spec at91_sama5d2_adc_channels[] = { >>> }; >>> >>> static const struct iio_chan_spec at91_sama7g5_adc_channels[] = { >>> - AT91_SAMA5D2_CHAN_SINGLE(0, 0, 0x60), >>> - AT91_SAMA5D2_CHAN_SINGLE(1, 1, 0x64), >>> - AT91_SAMA5D2_CHAN_SINGLE(2, 2, 0x68), >>> - AT91_SAMA5D2_CHAN_SINGLE(3, 3, 0x6c), >>> - AT91_SAMA5D2_CHAN_SINGLE(4, 4, 0x70), >>> - AT91_SAMA5D2_CHAN_SINGLE(5, 5, 0x74), >>> - AT91_SAMA5D2_CHAN_SINGLE(6, 6, 0x78), >>> - AT91_SAMA5D2_CHAN_SINGLE(7, 7, 0x7c), >>> - AT91_SAMA5D2_CHAN_SINGLE(8, 8, 0x80), >>> - AT91_SAMA5D2_CHAN_SINGLE(9, 9, 0x84), >>> - AT91_SAMA5D2_CHAN_SINGLE(10, 10, 0x88), >>> - AT91_SAMA5D2_CHAN_SINGLE(11, 11, 0x8c), >>> - AT91_SAMA5D2_CHAN_SINGLE(12, 12, 0x90), >>> - AT91_SAMA5D2_CHAN_SINGLE(13, 13, 0x94), >>> - AT91_SAMA5D2_CHAN_SINGLE(14, 14, 0x98), >>> - AT91_SAMA5D2_CHAN_SINGLE(15, 15, 0x9c), >>> - AT91_SAMA5D2_CHAN_DIFF(16, 0, 1, 0x60), >>> - AT91_SAMA5D2_CHAN_DIFF(17, 2, 3, 0x68), >>> - AT91_SAMA5D2_CHAN_DIFF(18, 4, 5, 0x70), >>> - AT91_SAMA5D2_CHAN_DIFF(19, 6, 7, 0x78), >>> - AT91_SAMA5D2_CHAN_DIFF(20, 8, 9, 0x80), >>> - AT91_SAMA5D2_CHAN_DIFF(21, 10, 11, 0x88), >>> - AT91_SAMA5D2_CHAN_DIFF(22, 12, 13, 0x90), >>> - AT91_SAMA5D2_CHAN_DIFF(23, 14, 15, 0x98), >>> + AT91_SAMA7G5_CHAN_SINGLE(0, 0, 0x60), >>> + AT91_SAMA7G5_CHAN_SINGLE(1, 1, 0x64), >>> + AT91_SAMA7G5_CHAN_SINGLE(2, 2, 0x68), >>> + AT91_SAMA7G5_CHAN_SINGLE(3, 3, 0x6c), >>> + AT91_SAMA7G5_CHAN_SINGLE(4, 4, 0x70), >>> + AT91_SAMA7G5_CHAN_SINGLE(5, 5, 0x74), >>> + AT91_SAMA7G5_CHAN_SINGLE(6, 6, 0x78), >>> + AT91_SAMA7G5_CHAN_SINGLE(7, 7, 0x7c), >>> + AT91_SAMA7G5_CHAN_SINGLE(8, 8, 0x80), >>> + AT91_SAMA7G5_CHAN_SINGLE(9, 9, 0x84), >>> + AT91_SAMA7G5_CHAN_SINGLE(10, 10, 0x88), >>> + AT91_SAMA7G5_CHAN_SINGLE(11, 11, 0x8c), >>> + AT91_SAMA7G5_CHAN_SINGLE(12, 12, 0x90), >>> + AT91_SAMA7G5_CHAN_SINGLE(13, 13, 0x94), >>> + AT91_SAMA7G5_CHAN_SINGLE(14, 14, 0x98), >>> + AT91_SAMA7G5_CHAN_SINGLE(15, 15, 0x9c), >>> + AT91_SAMA7G5_CHAN_DIFF(16, 0, 1, 0x60), >>> + AT91_SAMA7G5_CHAN_DIFF(17, 2, 3, 0x68), >>> + AT91_SAMA7G5_CHAN_DIFF(18, 4, 5, 0x70), >>> + AT91_SAMA7G5_CHAN_DIFF(19, 6, 7, 0x78), >>> + AT91_SAMA7G5_CHAN_DIFF(20, 8, 9, 0x80), >>> + AT91_SAMA7G5_CHAN_DIFF(21, 10, 11, 0x88), >>> + AT91_SAMA7G5_CHAN_DIFF(22, 12, 13, 0x90), >>> + AT91_SAMA7G5_CHAN_DIFF(23, 14, 15, 0x98), >>> IIO_CHAN_SOFT_TIMESTAMP(24), >>> AT91_SAMA5D2_CHAN_TEMP(AT91_SAMA7G5_ADC_TEMP_CHANNEL, "temp", 0xdc), >>> }; >>> >>> --- >>> base-commit: 0bc21e701a6ffacfdde7f04f87d664d82e8a13bf >>> change-id: 20250103-fix-sama7g5-adc-realbits-37f62f8925d7 >>> >>> Best regards, >