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authorTony Huang <tony-huang@quanta.corp-partner.google.com>2021-02-23 13:28:42 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-02-27 09:41:22 +0000
commit5f5ea02b3d09aefebb078cc3df4fa5a9398c6cc0 (patch)
treee4d7a059ed738287aa13d06dfb0bbef998cdc3a6 /src
parentcfb1bf227559e4ed31561b16861499003784596a (diff)
mb/google/dedede/var/kracko: Add elan touchscreen support
BUG=b:177834652 BRANCH=dedede TEST=build kracko firmware Change-Id: I360920f80f4ce5dcbcde25c433e23803fa72569b Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/51023 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/dedede/variants/kracko/overridetree.cb30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/kracko/overridetree.cb b/src/mainboard/google/dedede/variants/kracko/overridetree.cb
index 86208829a5..99517bd7ad 100644
--- a/src/mainboard/google/dedede/variants/kracko/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/kracko/overridetree.cb
@@ -77,6 +77,36 @@ chip soc/intel/jasperlake
device i2c 15 on end
end
end #I2C 0
+ device pci 15.2 on
+ chip drivers/i2c/generic
+ register "hid" = ""ELAN0001""
+ register "desc" = ""ELAN Touchscreen""
+ register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)"
+ register "probed" = "1"
+ register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D5)"
+ register "reset_delay_ms" = "20"
+ register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
+ 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""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D5)"
+ register "generic.reset_delay_ms" = "20"
+ register "generic.reset_off_delay_ms" = "2"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
+ register "generic.enable_delay_ms" = "10"
+ register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)"
+ register "generic.stop_delay_ms" = "130"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 15 on end
+ end
+ end # I2C 2
device pci 15.3 off end #I2C 3
device pci 19.0 on
chip drivers/i2c/generic