[coreboot-gerrit] [XS] Change in coreboot[master]: mb/google/rex: Set TCC to 90°C

[Eric Lai (Code Review)]

Eric Lai has submitted this change. ( https://review.coreboot.org/c/coreboot/+/76110?usp=email )

Change subject: mb/google/rex: Set TCC to 90°C
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mb/google/rex: Set TCC to 90°C

Set tcc_offset value to 20 in devicetree for Thermal Control
Circuit (TCC) activation feature for rex variants.

BUG=b:270664854
BRANCH=None
TEST=Build FW and test on rex board

Change-Id: I0567b6240fcb53f38158c381b700169475cf3795
Signed-off-by: Sumeet Pawnikar 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76110
Reviewed-by: Kapil Porwal 
Reviewed-by: Eric Lai 
Tested-by: build bot (Jenkins) 
Reviewed-by: Subrata Banik 
---
M src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
1 file changed, 3 insertions(+), 0 deletions(-)

Approvals:
  Kapil Porwal: Looks good to me, approved
  build bot (Jenkins): Verified
  Subrata Banik: Looks good to me, approved
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
index 0d639e3..7acc0ae 100644
--- a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
+++ b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
@@ -36,6 +36,9 @@
    # DPTF enable
    register "dptf_enable" = "1"

+	# Temporary setting TCC of 90C = Tj max (110) - TCC_Offset (20)
+	register "tcc_offset" = "20"
+
    # Enable CNVi BT
    register "cnvi_bt_core" = "true"