[S] Change in coreboot[master]: mb/google/nissa/var/uldren: Enable Weida touchscreen

[Martin L Roth (Code Review)]

Martin L Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/77575?usp=email )

Change subject: mb/google/nissa/var/uldren: Enable Weida touchscreen
......................................................................

mb/google/nissa/var/uldren: Enable Weida touchscreen

Support Weida WDT8790A touchscreen.

BUG=b:297453122
BRANCH=firmware-brya-14505.B
TEST=touchscreen is workable and evtest shows WDHT2601
$evtest
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0:      Lid Switch
/dev/input/event1:      Power Button
/dev/input/event10:     sof-cs42l42 HDMI/DP,pcm=2
/dev/input/event11:     sof-cs42l42 HDMI/DP,pcm=3
/dev/input/event12:     sof-cs42l42 HDMI/DP,pcm=4
/dev/input/event13:     sof-cs42l42 HDMI/DP,pcm=5
/dev/input/event2:      AT Translated Set 2 keyboard
/dev/input/event3:      cros_ec_buttons
/dev/input/event4:      Elan Touchpad
/dev/input/event5:      WDHT2601:00 2575:0921
/dev/input/event6:      WDHT2601:00 2575:0921 Stylus
/dev/input/event7:      WDHT2601:00 2575:0921 Stylus
/dev/input/event8:      DELL Dell USB Entry Keyboard
/dev/input/event9:      sof-cs42l42 Headset Jack

Change-Id: If9539afaf891c8352bc7fc8e548fd77ea57ea6ca
Signed-off-by: Dtrain Hsu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77575
Reviewed-by: Eric Lai 
Reviewed-by: Ian Feng 
Reviewed-by: Derek Huang 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/brya/variants/uldren/overridetree.cb
1 file changed, 19 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Derek Huang: Looks good to me, approved
  Ian Feng: Looks good to me, approved
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/uldren/overridetree.cb b/src/mainboard/google/brya/variants/uldren/overridetree.cb
index 3b9ecab..6a7d357 100644
--- a/src/mainboard/google/brya/variants/uldren/overridetree.cb
+++ b/src/mainboard/google/brya/variants/uldren/overridetree.cb
@@ -16,6 +16,7 @@
    	option TOUCHSCREEN_EKTH5012	4
    	option TOUCHSCREEN_WDT8752A	5
    	option TOUCHSCREEN_GTCH7502	6
+		option TOUCHSCREEN_WDT8790A	7
    end
    field EXT_VR 14 14
    	option EXT_VR_PRESENT	0
@@ -300,6 +301,24 @@
    				probe TOUCHSCREEN TOUCHSCREEN_GTCH7502
    			end
    		end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""WDHT2601""
+				register "generic.desc" = ""WDT Touchscreen""
+				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
+				register "generic.detect" = "1"
+				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
+				register "generic.reset_delay_ms" = "20"
+				register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
+				register "generic.stop_delay_ms" = "130"
+				register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+				register "generic.enable_delay_ms" = "1"
+				register "generic.has_power_resource" = "1"
+				register "hid_desc_reg_offset" = "0x20"
+				device i2c 3c on
+					probe TOUCHSCREEN TOUCHSCREEN_UNKNOWN
+					probe TOUCHSCREEN TOUCHSCREEN_WDT8790A
+				end
+			end
    	end
    	device ref i2c3 on
    		chip drivers/i2c/cs42l42