From 51039db875c3831996befc40474d6bfba9f456fa Mon Sep 17 00:00:00 2001 From: Tony Huang Date: Thu, 12 Feb 2026 09:17:41 +0800 Subject: [PATCH] /mb/google/nissa/var/yavilla: Add LXST2024 LGD touchscreen This CL aims to make the code support ready before touchscreen launch. BUG=b:483762467 TEST=build nissa coreboot image Change-Id: I919f92b782905ea9184203804f5ea095e37e9893 Signed-off-by: Tony Huang Reviewed-on: https://review.coreboot.org/c/coreboot/+/91169 Tested-by: build bot (Jenkins) Reviewed-by: Eric Lai Reviewed-by: Subrata Banik --- .../brya/variants/yavilla/overridetree.cb | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/src/mainboard/google/brya/variants/yavilla/overridetree.cb b/src/mainboard/google/brya/variants/yavilla/overridetree.cb index ce890af476..3686de90e9 100644 --- a/src/mainboard/google/brya/variants/yavilla/overridetree.cb +++ b/src/mainboard/google/brya/variants/yavilla/overridetree.cb @@ -329,6 +329,24 @@ chip soc/intel/alderlake probe TOUCH_PANEL TOUCH_G2_HID_I2c end end + chip drivers/i2c/hid + register "generic.hid" = ""LXST2024"" + register "generic.desc" = ""LGD 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.reset_off_delay_ms" = "2" + register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)" + register "generic.stop_delay_ms" = "280" + register "generic.stop_off_delay_ms" = "2" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" + register "generic.enable_delay_ms" = "1" + register "generic.has_power_resource" = "1" + register "generic.use_gpio_for_status" = "true" + register "hid_desc_reg_offset" = "0x00" + device i2c 34 on end + end chip drivers/i2c/hid register "generic.hid" = ""GTCH7503"" register "generic.desc" = ""G2TOUCH Touchscreen""