From 0f8c03b59320b16d3cedb011d5778b3f0ead1e12 Mon Sep 17 00:00:00 2001 From: Tony Huang Date: Wed, 26 Apr 2023 13:25:03 +0800 Subject: mb/google/nissa/var/yavilla: Add elan touchscreen support Update devicetree to support ELAN I2C generic touchscreen. BUG=b:273791621 BRANCH=firmware-nissa-15217.B TEST=emerge-nissa coreboot Change-Id: I2779c2930d89ff42233f9b20bd8abdf6dc00c0e0 Signed-off-by: Tony Huang Reviewed-on: https://review.coreboot.org/c/coreboot/+/74776 Reviewed-by: Eric Lai Tested-by: build bot (Jenkins) Reviewed-by: Derek Huang --- .../google/brya/variants/yavilla/overridetree.cb | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'src/mainboard') diff --git a/src/mainboard/google/brya/variants/yavilla/overridetree.cb b/src/mainboard/google/brya/variants/yavilla/overridetree.cb index f7798e761b..33e557143f 100644 --- a/src/mainboard/google/brya/variants/yavilla/overridetree.cb +++ b/src/mainboard/google/brya/variants/yavilla/overridetree.cb @@ -156,6 +156,22 @@ chip soc/intel/alderlake end end device ref i2c1 on + chip drivers/i2c/generic + register "hid" = ""ELAN0001"" + register "desc" = ""ELAN Touchscreen"" + register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)" + register "probed" = "1" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)" + register "reset_delay_ms" = "20" + register "reset_off_delay_ms" = "2" + register "stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)" + register "stop_delay_ms" = "280" + register "stop_off_delay_ms" = "2" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" + register "enable_delay_ms" = "1" + register "has_power_resource" = "1" + device i2c 10 on end + end chip drivers/i2c/hid register "generic.hid" = ""ELAN2513"" register "generic.desc" = ""ELAN Touchscreen"" -- cgit v1.2.3