From c6e27c5fbfc8807b0a63a7c6bfb2252f9b193e0b Mon Sep 17 00:00:00 2001 From: Rui Zhou Date: Wed, 18 Dec 2024 19:40:11 +0800 Subject: [PATCH] mb/google/nissa/var/rull: Add G2 touchscreen to devicetree Add G2 touchscreen override devicetree. BUG=b:384871815 BRANCH=None TEST=1. emerge-nissa coreboot chromeos-bootimage 2. touchpanel function is normal and 'evtest' command displays the touch point Change-Id: I0d68b8d09f2fd280dea17a0542243b88618b5fa1 Signed-off-by: Rui Zhou Reviewed-on: https://review.coreboot.org/c/coreboot/+/85656 Tested-by: build bot (Jenkins) Reviewed-by: Kapil Porwal Reviewed-by: Eric Lai Reviewed-by: Dtrain Hsu --- .../google/brya/variants/rull/overridetree.cb | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/mainboard/google/brya/variants/rull/overridetree.cb b/src/mainboard/google/brya/variants/rull/overridetree.cb index 633d5bc711..d4b773aeef 100644 --- a/src/mainboard/google/brya/variants/rull/overridetree.cb +++ b/src/mainboard/google/brya/variants/rull/overridetree.cb @@ -354,6 +354,20 @@ chip soc/intel/alderlake register "hid_desc_reg_offset" = "0x01" device i2c 10 on end end + chip drivers/i2c/hid + register "generic.hid" = ""GTCH7503"" + register "generic.desc" = ""G2 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" = "10" + register "generic.reset_off_delay_ms" = "3" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" + register "generic.enable_delay_ms" = "12" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 40 on end + end end device ref i2c3 on chip drivers/i2c/rt5645