From 6c38f35da3ff908b36ba9114dce0216df0781f66 Mon Sep 17 00:00:00 2001 From: Maulik V Vaghela Date: Wed, 2 Dec 2020 12:42:14 +0530 Subject: mb/google/dedede/var/drawcia: Configure Acoustic noise mitigation UPDs Enable Acoustic noise mitigation for drawcia and set slew rate to 1/4 which is calibrated value for the board. Other values like PreWake, Rampup and RampDown are 0 by default. BUG=b:162192346 BRANCH=dedede TEST=Correct value is passed to UPD and Acoustic noise test passes. Change-Id: Iadcf332d59dac2ba191b82742a18a1ab326940d1 Signed-off-by: Maulik V Vaghela Reviewed-on: https://review.coreboot.org/c/coreboot/+/48231 Tested-by: build bot (Jenkins) Reviewed-by: Karthik Ramasubramanian --- src/mainboard/google/dedede/variants/drawcia/overridetree.cb | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/mainboard/google/dedede/variants/drawcia/overridetree.cb b/src/mainboard/google/dedede/variants/drawcia/overridetree.cb index dcb46cc650..493854c34d 100644 --- a/src/mainboard/google/dedede/variants/drawcia/overridetree.cb +++ b/src/mainboard/google/dedede/variants/drawcia/overridetree.cb @@ -66,6 +66,11 @@ chip soc/intel/jasperlake register "ImonOffset" = "1400" # Imon Offset = 1.4 register "ImonSlope" = "100" # Imon Slope = 1.0 + # Enable Acoustic noise mitigation and set slew rate to 1/4 + # Rest of the parameters are 0 by default. + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate" = "1" + device domain 0 on device pci 05.0 on # IPU - MIPI Camera chip drivers/intel/mipi_camera -- cgit v1.2.3