From d701a218c2d4f126d2e29f092225cd0b5ff3df76 Mon Sep 17 00:00:00 2001 From: Daniel Peng Date: Mon, 7 Apr 2025 17:12:39 +0800 Subject: [PATCH] mb/google/nissa/var/guren: Add touch screen ILIT2901 support New Touchscreen function for Guren360 project. Touchscreen panel of MUTTO A153728S1Y(11') /K&D KD116N37-30TE-A002(11')/MUTTO B153797S1Y(12') are the same IC controller for ILITEK device, and set TOUCHSCREEN_ILIT2901 to value "2". BUG=b:406168542 BRANCH=firmware-nissa-15217.B TEST=1. emerge-nissa coreboot chromeos-bootimage 2. Confirm command evtest and touchscreen function is workable. Change-Id: I3435a8852b1fdb897d5f89c580b5f9bfca03dd8e Signed-off-by: Daniel Peng Reviewed-on: https://review.coreboot.org/c/coreboot/+/87196 Tested-by: build bot (Jenkins) Reviewed-by: Kapil Porwal Reviewed-by: Daniel Peng Reviewed-by: Eric Lai --- .../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 8b1adb14f9..0e106895be 100644 --- a/src/mainboard/google/brya/variants/guren/overridetree.cb +++ b/src/mainboard/google/brya/variants/guren/overridetree.cb @@ -28,6 +28,7 @@ fw_config field TOUCHSCREEN_SOURCE 32 34 option TOUCHSCREEN_UNPROVISIONED 0 option TOUCHSCREEN_ELAN0001 1 + option TOUCHSCREEN_ILIT2901 2 end end @@ -349,6 +350,25 @@ chip soc/intel/alderlake end end + chip drivers/i2c/hid + register "generic.hid" = ""ILIT2901"" + 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" = "10" + register "generic.reset_off_delay_ms" = "4" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" + register "generic.enable_delay_ms" = "12" + register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)" + register "generic.stop_delay_ms" = "105" + register "generic.stop_off_delay_ms" = "5" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 41 on + probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ILIT2901 + end + end end #I2C1 device ref i2c2 on chip drivers/i2c/sx9324