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drivers/i2c/nau8825: Add ADCOUT IO drive strength control 

Add a property to control the driving of ADCOUT.

BUG=b:234789689
TEST= build passed.

Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Change-Id: Ibbedd5838a795ee645a5458b960062c5530ff3b5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67659
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
This commit is contained in:
Eric Lai 2022-09-15 16:06:18 +08:00 committed by Felix Held
parent 90a439384b
commit 82a9f865fd
2 changed files with 6 additions and 0 deletions
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5
src/drivers/i2c/nau8825/chip.h
View File

@ -96,4 +96,9 @@ struct drivers_i2c_nau8825_config {
* R is Button impedance
*/
uint64_t sar_threshold[NAU8825_MAX_BUTTONS];
/* Make the drive strength of ADCOUT IO PIN strong if set.
* Otherwise, the drive keeps normal strength.
*/
bool adcout_ds;
};

1
src/drivers/i2c/nau8825/nau8825.c
View File

@ -69,6 +69,7 @@ static void nau8825_fill_ssdt(const struct device *dev)
NAU8825_DP_INT("jack-insert-debounce", config->jack_insert_debounce);
NAU8825_DP_INT("jack-eject-deboune", config->jack_eject_debounce);
NAU8825_DP_INT("sar-threshold-num", config->sar_threshold_num);
NAU8825_DP_INT("adcout-drive-strong", config->adcout_ds ? 1 : 0);
acpi_dp_add_integer_array(dp, "nuvoton,sar-threshold",
config->sar_threshold, config->sar_threshold_num);
acpi_dp_write(dp);