Nathan Chen has uploaded this change for review.

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Enable acoustic noise mitgation for arcada platform,
the slow slew rates for Ia and Gt are fast time dived by 8.

BUG=b:131144464
TEST=waveform test and hardware validation result pass.

Signed-off-by: nathan chen <nathan_chen@wistron.corp-partner.google.com>
Change-Id: I2ebcca803deb04737bfb5b2c134b164971f3688e
---
M src/mainboard/google/sarien/variants/arcada/devicetree.cb
1 file changed, 3 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/20/32520/1
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
index cf64c4b..77bd82a 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -37,10 +37,10 @@
register "tdp_pl2_override" = "51"
register "Device4Enable" = "1"
register "AcousticNoiseMitigation" = "1"
- register "SlowSlewRateForIa" = "0"
- register "SlowSlewRateForGt" = "0"
+ register "SlowSlewRateForIa" = "2"
+ register "SlowSlewRateForGt" = "2"
register "SlowSlewRateForSa" = "0"
- register "SlowSlewRateForFivr" = "0"
+ register "SlowSlewRateForFivr" = "2"
# Enable eDP device
register "DdiPortEdp" = "1"
# Enable HPD for DDI ports B/C

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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: I2ebcca803deb04737bfb5b2c134b164971f3688e
Gerrit-Change-Number: 32520
Gerrit-PatchSet: 1
Gerrit-Owner: Nathan Chen <nathan_chen@wistron.corp-partner.google.com>
Gerrit-MessageType: newchange