commit 24abd3ef067115b1b691c3f885b7892cb7506164
author Karthikeyan Ramasubramanian <kramasub@google.com> Tue May 04 16:19:32 2021 -0600
committer Martin Roth <martinroth@google.com> Wed May 12 15:18:51 2021 +0000
tree 1cd0b8cf5300992bc8ea70cdcb91fbda02cd0c64
parent 7ebdddde35b20fc2bead3c50c461b79050ce0d71

mb/google/guybrush: Configure wake resource for WiFi

In order to support wake on WLAN events, configure the wake resource.

BUG=b:186011392
TEST=Build and boot to OS in guybrush. Ensure that WiFi power resource
is added to SSDT.
    Device (\_SB.PCI0.GP20.WF00)
    {
        Name (_UID, 0x38B82CBC)  // _UID: Unique ID
        Name (_DDN, "WIFI Device")  // _DDN: DOS Device Name
        Name (_ADR, 0x0000000000000000)  // _ADR: Address
    }

    Scope (\_SB.PCI0.GP20.WF00)
    {
        Name (_PRW, Package (0x02)  // _PRW: Power Resources for Wake
        {
            0x08,
            0x03
        })
    }

Change-Id: Ic238d9606aea20c058e9b47093693f10b14e6288
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52908
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Martin Roth <martinroth@google.com>

src/mainboard/google/guybrush/variants/baseboard/devicetree.cb

diff --git a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
index 1d01fff..a5ec351 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
@@ -53,7 +53,12 @@
 					GPIO_I2C2_SCL | GPIO_I2C3_SCL"
 
 	device domain 0 on
-		device ref gpp_bridge_0 on end # WLAN
+		device ref gpp_bridge_0 on
+			chip drivers/wifi/generic
+				register "wake" = "GEVENT_8"
+				device pci 00.0 on end
+			end
+		end # WLAN
 		device ref gpp_bridge_1 on end # SD
 		device ref gpp_bridge_2 on end # WWAN
 		device ref gpp_bridge_3 on end # NVMe