[coreboot-gerrit] Change in coreboot[master]: google/chromeec: Add USB MUX Interrupt

[Duncan Laurie (Code Review)]

Duncan Laurie has submitted this change. ( https://review.coreboot.org/c/coreboot/+/40024 )

Change subject: google/chromeec: Add USB MUX Interrupt
......................................................................

google/chromeec: Add USB MUX Interrupt

Kernel relies on the USB MUX interrupt to configure USB devices that
are connected on the Type-C ports for TGL. Adding in the Q1C Interrupt
so the Kernel can properly receive and configure USB devices

BUG=b:152902608
TEST=buld_packages for volteer and verified that Proto 1 and Proto 2
are now seeing extcon events

Change-Id: Ie3a2f829a295f090a03e72e12f19ecc5bb724952
Signed-off-by: Brandon Breitenstein 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40024
Tested-by: build bot (Jenkins) 
Reviewed-by: Prashant Malani 
Reviewed-by: Furquan Shaikh 
---
M src/ec/google/chromeec/acpi/ec.asl
1 file changed, 9 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Furquan Shaikh: Looks good to me, approved
  Prashant Malani: Looks good to me, but someone else must approve

diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index 1b8e128..67e5f56 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -355,6 +355,15 @@
    	Notify (CREC, 0x80)
    }

+#ifdef EC_ENABLE_PD_MCU_DEVICE
+	// USB MUX Interrupt
+	Method (_Q1C, 0, NotSerialized)
+	{
+		Store ("EC: USB MUX", Debug)
+		Notify (_SB.PCI0.LPCB.EC0.CREC.ECPD, 0x80)
+	}
+#endif
+
    // TABLET mode switch Event
    Method (_Q1D, 0, NotSerialized)
    {