From 5b0dc2b6a015288fa22803a5e2dc99c3dbc21c5c Mon Sep 17 00:00:00 2001 From: Rui Zhou Date: Wed, 6 Nov 2024 14:44:49 +0800 Subject: mb/google/nissa/var/rull: Add ELAN touchscreen to devicetree Add Elan touchscreen override devicetree for rull based on the latest schematic NB7559_MB_SCH_V1_2024_1010.pdf. BUG=b:374629673 BRANCH=None TEST=1. emerge-nissa coreboot chromeos-bootimage 2. touchpanel function is normal and 'evtest' command displays the touch point Change-Id: Ie7f6dce0175c2940abfa14c4e407414912063112 Signed-off-by: Rui Zhou Reviewed-on: https://review.coreboot.org/c/coreboot/+/85015 Reviewed-by: Paul Menzel Tested-by: build bot (Jenkins) Reviewed-by: Eric Lai Reviewed-by: Subrata Banik --- .../google/brya/variants/rull/overridetree.cb | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/src/mainboard/google/brya/variants/rull/overridetree.cb b/src/mainboard/google/brya/variants/rull/overridetree.cb index b59a0deaf2..d51fe0b659 100644 --- a/src/mainboard/google/brya/variants/rull/overridetree.cb +++ b/src/mainboard/google/brya/variants/rull/overridetree.cb @@ -219,7 +219,25 @@ chip soc/intel/alderlake device generic 0 on end end end - device ref i2c1 off end # Touchscreen + device ref i2c1 on + 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.detect" = "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" = "150" + 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 "hid_desc_reg_offset" = "0x01" + device i2c 10 on end + end + end device ref i2c3 on chip drivers/i2c/rt5645 register "hid" = ""10EC5650"" -- cgit v1.2.3