Cliff Huang has uploaded this change for review.

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mb/intel/mtlrvp: Enable RTD3 root port mutex for WWAN

This adds RTD3 RPMX mutex to the root port. It is shared between RTD3
and WWAN.

BRANCH=firmware-brya-14505.B
TEST=boot to OS and check the generated SSDT table for the root port.
The RPMX mutex should be generated under the root port.

Signed-off-by: Cliff Huang <cliff.huang@intel.com>
Change-Id: I5b53765453bac0fc96e9651ab347069c7c8bf058
---
M src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
1 file changed, 18 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/84/73384/1

diff --git a/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb b/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
index 65da43c..5b38a5a 100644
--- a/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
+++ b/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
@@ -280,6 +280,7 @@
 				register "srcclk_pin" = "1"
 				register "ext_pm_support" = "ACPI_PCIE_RP_EMIT_ALL"
 				register "skip_on_off_support" = "true"
+				register "use_rp_mutex" = "true"
 				device generic 0 alias rp7_rtd3 on end
 			end
 			chip drivers/wwan/fm

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