From 6cc6f426732796bbac380792ad3edc0c7f3c094d Mon Sep 17 00:00:00 2001 From: Amanda Huang Date: Fri, 19 Aug 2022 22:08:13 +0800 Subject: mb/google/skyrim: Add ELAN touchscreen Add ELAN touch support BUG=b:243120074 TEST=emerge coreboot and check ELAN touch screen is workable Change-Id: If30232b3da9af0015d6d87535b53f905c5a30bcb Signed-off-by: Amanda Huang Reviewed-on: https://review.coreboot.org/c/coreboot/+/66912 Reviewed-by: Felix Held Tested-by: build bot (Jenkins) Reviewed-by: John Su Reviewed-by: Frank Wu Reviewed-by: Isaac Lee --- .../google/skyrim/variants/skyrim/overridetree.cb | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb b/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb index f59e43e2fa..80bc8ac8c6 100644 --- a/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb +++ b/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb @@ -119,6 +119,22 @@ chip soc/amd/mendocino register "hid_desc_reg_offset" = "0x01" device i2c 5d on end end + chip drivers/i2c/generic + register "hid" = ""ELAN0001"" + register "desc" = ""ELAN Touchscreen"" + register "probed" = "1" + register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_29)" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_131)" + register "enable_delay_ms" = "1" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_136)" + register "reset_delay_ms" = "20" + register "reset_off_delay_ms" = "2" + register "stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_76)" + register "stop_off_delay_ms" = "2" + register "has_power_resource" = "1" + register "disable_gpio_export_in_crs" = "1" + device i2c 10 on end + end chip drivers/generic/gpio_keys register "name" = ""PENH"" register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPIO_3)" -- cgit v1.2.3