From e589ee38794ff02ec258c7bee347ccdcb35f170a Mon Sep 17 00:00:00 2001
From: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Date: Thu, 4 Nov 2021 18:52:48 +0600
Subject: [PATCH] mb/google/brya/var/redrix: Configure Acoustic noise
 mitigation

Enable Acoustic noise mitigation for redrix and set slew rate to 1/8

BUG=b:204009588
TEST=build and verified by power team

Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Change-Id: I0fc0bb68c4de6fca60ee290eb46a77200d748ca8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58947
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
---
 src/mainboard/google/brya/variants/redrix/overridetree.cb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mainboard/google/brya/variants/redrix/overridetree.cb b/src/mainboard/google/brya/variants/redrix/overridetree.cb
index 777ac11833..dc1a424260 100644
--- a/src/mainboard/google/brya/variants/redrix/overridetree.cb
+++ b/src/mainboard/google/brya/variants/redrix/overridetree.cb
@@ -37,6 +37,11 @@ chip soc/intel/alderlake
 	# FIVR RFI Spread Spectrum 6%
 	register "FivrSpreadSpectrum" = "FIVR_SS_6"
 
+	# Acoustic settings
+	register "AcousticNoiseMitigation" = "1"
+	register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8"
+	register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1"
+
 	# Intel Common SoC Config
 	#+-------------------+---------------------------+
 	#| Field             |  Value                    |