From 1b27f39025d643b208ce0e27216ede323f8b6545 Mon Sep 17 00:00:00 2001 From: Brian Hsu Date: Wed, 9 Apr 2025 14:31:31 +0800 Subject: [PATCH] mb/google/nissa/var/guren: Add touch screen FTSC1000 support New Touchscreen function for Guren project. Touchscreen panel: HKO RB116AS01-2, and set TOUCHSCREEN_FTSC1000 to value "3". BUG=b:391281767 BRANCH=firmware-nissa-15217.B TEST=1. emerge-nissa coreboot chromeos-bootimage 2. Confirm command evtest and touchscreen function is workable. Change-Id: Icfe5f57c69d1bd98e0852a1aa3baed8c1444e4d9 Signed-off-by: Brian Hsu Reviewed-on: https://review.coreboot.org/c/coreboot/+/87238 Reviewed-by: Kapil Porwal Reviewed-by: Daniel Peng Reviewed-by: Eric Lai Tested-by: build bot (Jenkins) --- .../brya/variants/guren/overridetree.cb | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/src/mainboard/google/brya/variants/guren/overridetree.cb b/src/mainboard/google/brya/variants/guren/overridetree.cb index 0e106895be..3306e8a7f3 100644 --- a/src/mainboard/google/brya/variants/guren/overridetree.cb +++ b/src/mainboard/google/brya/variants/guren/overridetree.cb @@ -29,6 +29,7 @@ fw_config option TOUCHSCREEN_UNPROVISIONED 0 option TOUCHSCREEN_ELAN0001 1 option TOUCHSCREEN_ILIT2901 2 + option TOUCHSCREEN_FTSC1000 3 end end @@ -369,6 +370,25 @@ chip soc/intel/alderlake probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ILIT2901 end end + + chip drivers/i2c/hid + register "generic.hid" = ""FTSC1000"" + register "generic.desc" = ""G2TOUCH Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)" + register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)" + register "generic.reset_delay_ms" = "150" + register "generic.reset_off_delay_ms" = "5" + register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)" + register "generic.stop_delay_ms" = "30" + register "generic.stop_off_delay_ms" = "10" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" + register "generic.enable_delay_ms" = "45" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 38 on + probe TOUCHSCREEN_SOURCE TOUCHSCREEN_FTSC1000 + end + end end #I2C1 device ref i2c2 on chip drivers/i2c/sx9324