[S] Change in coreboot[master]: mb/google/nissa/var/uldren: Add fw_config probed for touchpad

[Dtrain Hsu (Code Review)]

Dtrain Hsu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/75336 )

Change subject: mb/google/nissa/var/uldren: Add fw_config probed for touchpad
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mb/google/nissa/var/uldren: Add fw_config probed for touchpad

Use fw_config to probe touchpad.

BUG=b:283199751
BRANCH=firmware-nissa-15217.B
TEST=emerge-nissa coreboot chromeos-bootimage

Change-Id: Ib20abac74683c670c174821b821ede461dbb0163
Signed-off-by: Dtrain Hsu 
---
M src/mainboard/google/brya/variants/uldren/overridetree.cb
1 file changed, 29 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/36/75336/1

diff --git a/src/mainboard/google/brya/variants/uldren/overridetree.cb b/src/mainboard/google/brya/variants/uldren/overridetree.cb
index e00c580..cc2acef 100644
--- a/src/mainboard/google/brya/variants/uldren/overridetree.cb
+++ b/src/mainboard/google/brya/variants/uldren/overridetree.cb
@@ -1,4 +1,9 @@
 fw_config
+	field TOUCHPAD 8 9
+		option TOUCHPAD_UNKNOW	0
+		option TOUCHPAD_EKT3744	1
+		option TOUCHPAD_GT7863	2
+	end
    field TOUCHSCREEN 10 12
    	option TOUCHSCREEN_UNKNOW	0
    	option TOUCHSCREEN_NONE	1
@@ -276,7 +281,10 @@
    			register "irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_F14_IRQ)"
    			register "wake" = "GPE0_DW2_14"
    			register "detect" = "1"
-				device i2c 15 on end
+				device i2c 15 on
+					probe TOUCHPAD TOUCHPAD_UNKNOW
+					probe TOUCHPAD TOUCHPAD_EKT3744
+				end
    		end
    		chip drivers/i2c/hid
    			register "generic.hid" = ""GXTP7863""
@@ -285,7 +293,10 @@
    			register "generic.wake" = "GPE0_DW2_14"
    			register "generic.detect" = "1"
    			register "hid_desc_reg_offset" = "0x20"
-				device i2c 2c on end
+				device i2c 2c on
+					probe TOUCHPAD TOUCHPAD_UNKNOW
+					probe TOUCHPAD TOUCHPAD_GT7863
+				end
    		end
    	end
    	device ref hda on