mb/google/brya/var/anahera: 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: I7a775838358e7abe3f03d0ae65fb619c15dbad6f
Signed-off-by: Won Chung <wonchung@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76875
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

2 files changed, 76 insertions, 2 deletions

diff --git a/src/mainboard/google/brya/variants/anahera/overridetree.cb b/src/mainboard/google/brya/variants/anahera/overridetree.cb
index 14b823c3ca..9a09072ac6 100644
--- a/src/mainboard/google/brya/variants/anahera/overridetree.cb
+++ b/src/mainboard/google/brya/variants/anahera/overridetree.cb
@@ -87,7 +87,8 @@ chip soc/intel/alderlake
 	device domain 0 on
 		device ref igpu on
 			chip drivers/gfx/generic
-				register "device_count" = "1"
+				register "device_count" = "6"
+				# DDIA for eDP
 				register "device[0].name" = ""LCD""
 				# Use ChromeOS privacy screen _HID
 				register "device[0].hid" = ""GOOG0010""
@@ -95,10 +96,46 @@ chip soc/intel/alderlake
 				register "device[0].addr" = "0x80010400"
 				register "device[0].privacy.enabled" = "1"
 				register "device[0].privacy.gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_H21)"
+				# 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, RIGHT, ACPI_PLD_GROUP(1, 1))"
+				# TCP1 (DP-2) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP1
+				register "device[3].name" = ""DD03""
+				# TCP2 (DP-3) for port C2
+				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) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP3
+				register "device[5].name" = ""DD05""
 				device generic 0 on
 					probe EPS PRIVACY_SCREEN
 				end
 			 end
+			 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, RIGHT, ACPI_PLD_GROUP(1, 1))"
+				# TCP1 (DP-2) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP1
+				register "device[3].name" = ""DD03""
+				# TCP2 (DP-3) for port C2
+				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) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP3
+				register "device[5].name" = ""DD05""
+				device generic 0 on
+					probe EPS PRIVACY_SCREEN_ABSENT
+				end
+			end
                 end # Integrated Graphics Device
 		device ref dtt on
 			chip drivers/intel/dptf
diff --git a/src/mainboard/google/brya/variants/anahera4es/overridetree.cb b/src/mainboard/google/brya/variants/anahera4es/overridetree.cb
index 7cdc8c0dbc..421514d72f 100644
--- a/src/mainboard/google/brya/variants/anahera4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/anahera4es/overridetree.cb
@@ -69,7 +69,8 @@ chip soc/intel/alderlake
 	device domain 0 on
 		device ref igpu on
 			chip drivers/gfx/generic
-				register "device_count" = "1"
+				register "device_count" = "6"
+				# DDIA for eDP
 				register "device[0].name" = ""LCD""
 				# Use ChromeOS privacy screen _HID
 				register "device[0].hid" = ""GOOG0010""
@@ -77,10 +78,46 @@ chip soc/intel/alderlake
 				register "device[0].addr" = "0x80010400"
 				register "device[0].privacy.enabled" = "1"
 				register "device[0].privacy.gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_H21)"
+				# 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, RIGHT, ACPI_PLD_GROUP(1, 1))"
+				# TCP1 (DP-2) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP1
+				register "device[3].name" = ""DD03""
+				# TCP2 (DP-3) for port C2
+				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) is unused for any ports but still enumerated in the kernel, so GFX device is added for TCP3
+				register "device[5].name" = ""DD05""
 				device generic 0 on
 					probe EPS PRIVACY_SCREEN
 				end
 			 end
+			 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, RIGHT, ACPI_PLD_GROUP(1, 1))"
+				# TCP1 (DP-2) is unused for any ports but still enumerated, so GFX device is added for TCP1
+				register "device[3].name" = ""DD03""
+				# TCP2 (DP-3) for port C2
+				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) is unused for any ports but still enumerated, so GFX device is added for TCP3
+				register "device[5].name" = ""DD05""
+				device generic 0 on
+					probe EPS PRIVACY_SCREEN_ABSENT
+				end
+			end
                 end # Integrated Graphics Device
 		device ref dtt on
 			chip drivers/intel/dptf