From 3e891cda062365eabb66b9c6db06da9718aa0705 Mon Sep 17 00:00:00 2001 From: Tyler Wang Date: Mon, 13 Jun 2022 15:09:40 +0800 Subject: [PATCH] mb/google/nissa/var/craask: Enable Elan touchscreen Add Elan touchscreen support for craaskvin. BUG=b:235919755 TEST=Build and test on MB, touchscreen function works. Signed-off-by: Tyler Wang Change-Id: I18e0be688705942647c42ee532fcd32e862fe78c Reviewed-on: https://review.coreboot.org/c/coreboot/+/65103 Tested-by: build bot (Jenkins) Reviewed-by: Reka Norman --- .../brya/variants/craask/overridetree.cb | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/src/mainboard/google/brya/variants/craask/overridetree.cb b/src/mainboard/google/brya/variants/craask/overridetree.cb index 0f19bc99d3..4091b17b2e 100644 --- a/src/mainboard/google/brya/variants/craask/overridetree.cb +++ b/src/mainboard/google/brya/variants/craask/overridetree.cb @@ -107,6 +107,24 @@ chip soc/intel/alderlake probe STYLUS STYLUS_PRESENT end end + chip drivers/i2c/hid + register "generic.hid" = ""ELAN9004"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)" + register "generic.probed" = "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.disable_gpio_export_in_crs" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 10 on end + end end device ref i2c2 on chip drivers/i2c/sx9324