mb/google/brya/var/taeko: Add new GFX devices with custom _PLD
Add new GFX devices for DDI and TCP with custom _PLD to describe the
corresponding ports.
BUG=b:277629750
TEST=emerge-brya coreboot
Change-Id: I07e85f28c4f260d04317ec594e162db20f3d4ddd
Signed-off-by: Won Chung <wonchung@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76907
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/mainboard/google/brya/variants/taeko/overridetree.cb b/src/mainboard/google/brya/variants/taeko/overridetree.cb
index bfe5968..4422191 100644
--- a/src/mainboard/google/brya/variants/taeko/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taeko/overridetree.cb
@@ -137,6 +137,25 @@
[PchSerialIoIndexI2C5] = PchSerialIoPci,
}"
device domain 0 on
+ device ref igpu on
+ chip drivers/gfx/generic
+ register "device_count" = "3"
+ # DDIA for eDP
+ register "device[0].name" = ""LCD""
+ # DDIB is unused and HDMI is not enumerated in the kernel, so no GFX device is added for DDIB
+ # TCP0 (DP-1) for port C0
+ register "device[1].name" = ""DD01""
+ register "device[1].use_pld" = "true"
+ register "device[1].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(1, 1))"
+ # TCP1 is unused and not enumerated in the kernel, so no GFX device is added for TCP1
+ # TCP2 (DP-2) for port C1
+ register "device[2].name" = ""DD02""
+ register "device[2].use_pld" = "true"
+ register "device[2].pld" = "ACPI_PLD_TYPE_C(RIGHT, RIGHT, ACPI_PLD_GROUP(2, 1))"
+ # TCP3 is unused and not enumerated in the kernel, so no GFX device is added for TCP3
+ device generic 0 on end
+ end
+ end # Integrated Graphics Device
device ref dtt on
chip drivers/intel/dptf
## sensor information
diff --git a/src/mainboard/google/brya/variants/taeko4es/overridetree.cb b/src/mainboard/google/brya/variants/taeko4es/overridetree.cb
index 32207af..9c2d8da 100644
--- a/src/mainboard/google/brya/variants/taeko4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taeko4es/overridetree.cb
@@ -118,6 +118,25 @@
[PchSerialIoIndexI2C5] = PchSerialIoPci,
}"
device domain 0 on
+ device ref igpu on
+ chip drivers/gfx/generic
+ register "device_count" = "3"
+ # DDIA for eDP
+ register "device[0].name" = ""LCD""
+ # DDIB is unused and HDMI is not enumerated in the kernel, so no GFX device is added for DDIB
+ # TCP0 (DP-1) for port C0
+ register "device[1].name" = ""DD01""
+ register "device[1].use_pld" = "true"
+ register "device[1].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(1, 1))"
+ # TCP1 is unused and not enumerated in the kernel, so no GFX device is added for TCP1
+ # TCP2 (DP-2) for port C1
+ register "device[2].name" = ""DD02""
+ register "device[2].use_pld" = "true"
+ register "device[2].pld" = "ACPI_PLD_TYPE_C(RIGHT, RIGHT, ACPI_PLD_GROUP(2, 1))"
+ # TCP3 is unused and not enumerated in the kernel, so no GFX device is added for TCP3
+ device generic 0 on end
+ end
+ end # Integrated Graphics Device
device ref dtt on
chip drivers/intel/dptf
## sensor information