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-rw-r--r--src/mainboard/google/zork/variants/morphius/include/variant/ec.h3
-rw-r--r--src/mainboard/google/zork/variants/morphius/overridetree.cb6
2 files changed, 9 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/morphius/include/variant/ec.h b/src/mainboard/google/zork/variants/morphius/include/variant/ec.h
index e177507e22..04dfba43b9 100644
--- a/src/mainboard/google/zork/variants/morphius/include/variant/ec.h
+++ b/src/mainboard/google/zork/variants/morphius/include/variant/ec.h
@@ -4,3 +4,6 @@
/* Enable PS/2 Mouse */
#define SIO_EC_ENABLE_PS2M
+
+/* Enable DPTC support */
+#define EC_ENABLE_AMD_DPTC_SUPPORT
diff --git a/src/mainboard/google/zork/variants/morphius/overridetree.cb b/src/mainboard/google/zork/variants/morphius/overridetree.cb
index ed2670208b..00403899b8 100644
--- a/src/mainboard/google/zork/variants/morphius/overridetree.cb
+++ b/src/mainboard/google/zork/variants/morphius/overridetree.cb
@@ -20,6 +20,12 @@ chip soc/amd/picasso
register "telemetry_vddcr_soc_slope" = "29035" #mA
register "telemetry_vddcr_soc_offset" = "0"
+ # Set STAPM confiuration for tablet mode
+ register "dptc_enable" = "1"
+ register "slow_ppt_limit_tablet_mode" = "20000" #mw
+ register "fast_ppt_limit_tablet_mode" = "24000" #mw
+ register "sustained_power_limit_tablet_mode" = "6000" #mw
+
# End : OPN Performance Configuration
# Enable I2C2 for trackpad, touchscreen, pen at 400kHz