mb/google/rex/var/rex0: 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-rex coreboot
Signed-off-by: Won Chung <wonchung@google.com>
Change-Id: I193b95e8bd8ae538c4f25fbe772b174ef455d744
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74367
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/rex/Kconfig b/src/mainboard/google/rex/Kconfig
index bec7cb6..0fb4176 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -1,6 +1,7 @@
config BOARD_GOOGLE_REX_COMMON
def_bool n
select BOARD_ROMSIZE_KB_32768
+ select DRIVERS_GFX_GENERIC
select DRIVERS_I2C_GENERIC
select DRIVERS_I2C_HID
select DRIVERS_INTEL_DPTF
diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index d67794e..4619cba 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -148,6 +148,28 @@
}"
device domain 0 on
+ device ref igpu on
+ chip drivers/gfx/generic
+ register "device_count" = "6"
+ # DDIA for eDP
+ register "device[0].name" = ""LCD""
+ # DDIB for HDMI
+ register "device[1].name" = ""DD01""
+ # TCP0 (DP-1) for port C0
+ register "device[2].name" = ""DD02""
+ register "device[2].use_pld" = "true"
+ register "device[2].pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(1, 1))"
+ # TCP1 (DP-2) unused
+ register "device[3].name" = ""DD03""
+ # TCP2 (DP-3) for port C1
+ register "device[4].name" = ""DD04""
+ register "device[4].use_pld" = "true"
+ register "device[4].pld" = "ACPI_PLD_TYPE_C(RIGHT, LEFT, ACPI_PLD_GROUP(2, 1))"
+ # TCP3 (DP-4) unused
+ register "device[5].name" = ""DD05""
+ device generic 0 on end
+ end
+ end # Integrated Graphics Device
device ref dtt on
chip drivers/intel/dptf
## sensor information