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-rw-r--r--src/mainboard/google/samus/acpi/mainboard.asl26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/mainboard/google/samus/acpi/mainboard.asl b/src/mainboard/google/samus/acpi/mainboard.asl
index 274e8a8fca..2edc5a590a 100644
--- a/src/mainboard/google/samus/acpi/mainboard.asl
+++ b/src/mainboard/google/samus/acpi/mainboard.asl
@@ -345,3 +345,29 @@ Scope (\_SB.PCI0.I2C1)
}
}
}
+
+Scope (\_SB.PCI0.SPI0)
+{
+ Device (CODC)
+ {
+ // TODO: Need official HID.
+ Name (_HID, "RT5677AA")
+ Name (_UID, 1)
+ Name (_CRS, ResourceTemplate ()
+ {
+ SpiSerialBus (
+ 0, // DeviceSelection (CS0?)
+ PolarityLow, // DeviceSelectionPolarity
+ FourWireMode, // WireMode
+ 8, // DataBitLength
+ ControllerInitiated, // SlaveMode
+ 1000000, // ConnectionSpeed (1MHz)
+ ClockPolarityLow, // ClockPolarity
+ ClockPhaseFirst, // ClockPhase
+ "\\_SB.PCI0.SPI0", // ResourceSource
+ 0, // ResourceSourceIndex
+ ResourceConsumer, // ResourceUsage
+ )
+ })
+ }
+}