[coreboot-gerrit] Patch set updated for coreboot: mainboard/amenia:Enable touch screen on amenia
Freddy Paul (freddy.paul@intel.com)
gerrit at coreboot.org
Wed May 11 04:48:23 CEST 2016
Freddy Paul (freddy.paul at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14768
-gerrit
commit 51615584b1463e1a0b8689ad1b2fec2d0eba541a
Author: Freddy Paul <freddy.paul at intel.com>
Date: Tue May 10 14:04:38 2016 -0700
mainboard/amenia:Enable touch screen on amenia
Add support for Elan Touch screen on I2C3 for amenia
BUG=None
TEST=Boot to OS and verify if Touchscreen is working.
Change-Id: Ic75bef0e5878bd5b8c0d727400679663d9f591e3
Signed-off-by: Freddy Paul <freddy.paul at intel.com>
---
src/mainboard/intel/amenia/acpi/mainboard.asl | 33 +++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/src/mainboard/intel/amenia/acpi/mainboard.asl b/src/mainboard/intel/amenia/acpi/mainboard.asl
index 76c63b7..6efabc3 100644
--- a/src/mainboard/intel/amenia/acpi/mainboard.asl
+++ b/src/mainboard/intel/amenia/acpi/mainboard.asl
@@ -47,3 +47,36 @@ Scope (\_SB.PCI0.I2C4)
}
}
+
+
+Scope (\_SB.PCI0.I2C3)
+{
+ Device (ETSA)
+ {
+ Name (_HID, "ELAN0001")
+ Name (_DDN, "Elan Touchscreen ")
+ Name (_UID, 1)
+ Name (ISTP, 0) /* TouchScreen */
+ Name (_S0W, 4)
+
+ Name (_CRS, ResourceTemplate()
+ {
+ I2cSerialBus (
+ 0x10, // SlaveAddress
+ ControllerInitiated, // SlaveMode
+ 400000, // ConnectionSpeed
+ AddressingMode7Bit, // AddressingMode
+ "\\_SB.PCI0.I2C3", // ResourceSource
+ )
+ Interrupt (ResourceConsumer, Edge, ActiveLow)
+ {
+ GPIO_21_IRQ
+ }
+ })
+
+ Method (_STA)
+ {
+ Return (0xF)
+ }
+ }
+}
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