From c05710f196e2ff20881a67adace949efc29d9f1f Mon Sep 17 00:00:00 2001 From: Ben Zhang Date: Mon, 15 Dec 2014 17:38:11 -0800 Subject: samus: Add ACPI binding for rt5677 codec SPI We'll need to find a real ACPI device ID for the rt5677 SPI driver. "RT5677AA" is temporary. BUG=chrome-os-partner:33495 BRANCH=samus TEST=load firmware via SPI; hotword detection works Change-Id: I6dc55c4641c27a38570debe841a6afeb048eb868 Signed-off-by: Stefan Reinauer Original-Commit-Id: f0d7013b62c78deb82db1a431f079c79eded5270 Original-Change-Id: Ifb4a1b12776669e21c0b7c4679246717d72981ad Original-Signed-off-by: Ben Zhang Original-Reviewed-on: https://chromium-review.googlesource.com/235902 Original-Reviewed-by: Duncan Laurie Reviewed-on: http://review.coreboot.org/9486 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/mainboard/google/samus/acpi/mainboard.asl | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'src/mainboard') 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 + ) + }) + } +} -- cgit v1.2.3