mb/google/kahlee/variants/aleena: Add support Synaptics touch pad
Add support Synaptics touch pad for Aleena/Kasumi.
BUG=b:122549449
BRANCH=master
TEST= Check if synaptics touch pad working in ChromeOS.
Change-Id: Icab1b312f1943b27037ef458044ce9e7172919ee
Signed-off-by: Lucas Chen <lucas.chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/31064
Reviewed-by: Daniel Kurtz <djkurtz@google.com>
Reviewed-by: David Wu <david_wu@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/kahlee/variants/aleena/devicetree.cb b/src/mainboard/google/kahlee/variants/aleena/devicetree.cb
index fd807c4..c55bb8b 100644
--- a/src/mainboard/google/kahlee/variants/aleena/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/aleena/devicetree.cb
@@ -138,8 +138,18 @@
register "desc" = ""ELAN Touchpad""
register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_5)"
register "wake" = "7"
+ register "probed" = "1"
device i2c 15 on end
end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""PNP0C50""
+ register "generic.desc" = ""Synaptics Touchpad""
+ register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_5)"
+ register "generic.wake" = "7"
+ register "generic.probed" = "1"
+ register "hid_desc_reg_offset" = "0x20"
+ device i2c 2c on end
+ end
end
device mmio 0xfedc5000 on
chip drivers/i2c/generic