summaryrefslogtreecommitdiff
path: root/chip/it83xx/registers.h
diff options
context:
space:
mode:
authorDino Li <Dino.Li@ite.com.tw>2020-08-14 11:08:55 +0800
committerCommit Bot <commit-bot@chromium.org>2020-08-14 13:39:26 +0000
commita8ce3ace8d774c8902c5a600c15d5f971ef99742 (patch)
tree6412fd0aa10705d88fd88745d9c003542855a0db /chip/it83xx/registers.h
parent12c0146bebec938fa3a790b55c2161bf6f4547ba (diff)
downloadchrome-ec-a8ce3ace8d774c8902c5a600c15d5f971ef99742.tar.gz
it83xx/adc: Enable automatic hardware calibration
We missed it when ADC accuracy initialization, let's fix it. BUG=b:164011390 BRANCH=none TEST=ADC accuracy is in +/- 4LSB. Signed-off-by: Dino Li <Dino.Li@ite.com.tw> Change-Id: Id40adbdc6823fbf3db506681ce4bff6a2f32b843 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2355166 Reviewed-by: Ting Shen <phoenixshen@chromium.org> Tested-by: Parker Lin <parkerlin@google.com>
Diffstat (limited to 'chip/it83xx/registers.h')
-rw-r--r--chip/it83xx/registers.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/chip/it83xx/registers.h b/chip/it83xx/registers.h
index be346c6153..f925691dab 100644
--- a/chip/it83xx/registers.h
+++ b/chip/it83xx/registers.h
@@ -1044,6 +1044,7 @@ enum clock_gate_offsets {
#define IT83XX_ADC_ADCGCR REG8(IT83XX_ADC_BASE+0x03)
#define IT83XX_ADC_VCH0CTL REG8(IT83XX_ADC_BASE+0x04)
#define IT83XX_ADC_KDCTL REG8(IT83XX_ADC_BASE+0x05)
+#define IT83XX_ADC_AHCE BIT(7)
#define IT83XX_ADC_VCH1CTL REG8(IT83XX_ADC_BASE+0x06)
#define IT83XX_ADC_VCH1DATL REG8(IT83XX_ADC_BASE+0x07)
#define IT83XX_ADC_VCH1DATM REG8(IT83XX_ADC_BASE+0x08)