[coreboot-gerrit] [S] Change in coreboot[main]: mb/google/nissa/var/gothrax: Add touchscreen driver for ILI2901A-A210

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/81610?usp=email )

Change subject: mb/google/nissa/var/gothrax: Add touchscreen driver for ILI2901A-A210
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mb/google/nissa/var/gothrax: Add touchscreen driver for ILI2901A-A210

I2C slave addresses 0x41.

BUG=b:332458912
BRANCH=None
TEST=emerge-nissa coreboot & working correctly in DUT

Change-Id: I2d26bfd4f415aa128b6256f83bc58987b15a557a
Signed-off-by: Yunlong Jia 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81610
Reviewed-by: Eric Lai 
Reviewed-by: Varshit Pandya 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/brya/variants/gothrax/overridetree.cb
1 file changed, 18 insertions(+), 0 deletions(-)

Approvals:
  Varshit Pandya: Looks good to me, but someone else must approve
  Yunlong Jia: Looks good to me, but someone else must approve
  build bot (Jenkins): Verified
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/gothrax/overridetree.cb b/src/mainboard/google/brya/variants/gothrax/overridetree.cb
index 77be31c..49078fe 100644
--- a/src/mainboard/google/brya/variants/gothrax/overridetree.cb
+++ b/src/mainboard/google/brya/variants/gothrax/overridetree.cb
@@ -234,6 +234,24 @@
    				probe TOUCH_PANEL TOUCH_PANEL_ENABLE
    			end
    		end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""ILI2901""
+				register "generic.desc" = ""ILI 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" = "200"
+				register "generic.reset_off_delay_ms" = "2"
+				register "generic.enable_gpio" =
+					"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+				register "generic.enable_delay_ms" = "6"
+				register "generic.has_power_resource" = "1"
+				register "hid_desc_reg_offset" = "0x01"
+				device i2c 0x41 on
+					probe TOUCH_PANEL TOUCH_PANEL_ENABLE
+				end
+			end
    	end
    	device ref i2c2 on
    		chip drivers/i2c/sx9324