[coreboot-gerrit] [XS] Change in coreboot[main]: mb/google/nissa/var/telith: Configure Acoustic noise mitigation

[Kun Liu (Code Review)]

Kun Liu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/86103?usp=email )

Change subject: mb/google/nissa/var/telith: Configure Acoustic noise mitigation
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mb/google/nissa/var/telith: Configure Acoustic noise mitigation

- Set slow slew rate VCCIA and VCCGT to SLEW_FAST_4

BUG=b:387056119
BRANCH=none
TEST=built firmware and verified by power team, and noise pass.

Change-Id: I57055cdfc9377ba141c620dd4e9301f6e7601629
Signed-off-by: Kun Liu 
---
M src/mainboard/google/brya/variants/telith/overridetree.cb
1 file changed, 2 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/03/86103/1

diff --git a/src/mainboard/google/brya/variants/telith/overridetree.cb b/src/mainboard/google/brya/variants/telith/overridetree.cb
index 231d83e..202b0ed 100644
--- a/src/mainboard/google/brya/variants/telith/overridetree.cb
+++ b/src/mainboard/google/brya/variants/telith/overridetree.cb
@@ -22,8 +22,8 @@

# Acoustic settings
    register "acoustic_noise_mitigation" = "true"
-	register "slow_slew_rate[VR_DOMAIN_IA]" = "SLEW_FAST_8"
-	register "slow_slew_rate[VR_DOMAIN_GT]" = "SLEW_FAST_8"
+	register "slow_slew_rate[VR_DOMAIN_IA]" = "SLEW_FAST_4"
+	register "slow_slew_rate[VR_DOMAIN_GT]" = "SLEW_FAST_4"
    register "fast_pkg_c_ramp_disable[VR_DOMAIN_IA]" = "1"
    register "fast_pkg_c_ramp_disable[VR_DOMAIN_GT]" = "1"