From 5ac3e402820475a55e03836ad9e77872d9d7d2e8 Mon Sep 17 00:00:00 2001 From: Tony Huang Date: Mon, 23 Feb 2026 16:19:11 +0800 Subject: [PATCH] mb/google/brox/var/caboc: Probe LGD touchscreen by fw_config 1. Probe with fw_config TOUCH_LGD_HID_I2C. 2. Update slave address to 0x10. BUG=b:483588481 TEST=build brox coreboot image Change-Id: I1286679f840b8335ab1877bf1c4e8f72d5704586 Signed-off-by: Tony Huang Reviewed-on: https://review.coreboot.org/c/coreboot/+/91384 Reviewed-by: Wisley Chen Tested-by: build bot (Jenkins) --- src/mainboard/google/brox/variants/caboc/overridetree.cb | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/mainboard/google/brox/variants/caboc/overridetree.cb b/src/mainboard/google/brox/variants/caboc/overridetree.cb index 0587d16324..cded4fd875 100644 --- a/src/mainboard/google/brox/variants/caboc/overridetree.cb +++ b/src/mainboard/google/brox/variants/caboc/overridetree.cb @@ -23,6 +23,7 @@ fw_config option TOUCH_UNKNOWN 0 option TOUCH_ELAN_HID_I2C 1 option TOUCH_G2TOUCH_HID_I2C 2 + option TOUCH_LGD_HID_I2C 3 end end @@ -432,7 +433,9 @@ chip soc/intel/alderlake register "generic.has_power_resource" = "1" register "generic.use_gpio_for_status" = "true" register "hid_desc_reg_offset" = "0x00" - device i2c 34 on end + device i2c 10 on + probe PANEL TOUCH_LGD_HID_I2C + end end end device ref gspi1 on