Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9486
-gerrit
commit af1db5f98aa60b55ea7ba3d793b6aa7ab90a096b Author: Ben Zhang benzh@chromium.org Date: Mon Dec 15 17:38:11 2014 -0800
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 reinauer@chromium.org Original-Commit-Id: f0d7013b62c78deb82db1a431f079c79eded5270 Original-Change-Id: Ifb4a1b12776669e21c0b7c4679246717d72981ad Original-Signed-off-by: Ben Zhang benzh@chromium.org Original-Reviewed-on: https://chromium-review.googlesource.com/235902 Original-Reviewed-by: Duncan Laurie dlaurie@chromium.org --- src/mainboard/google/samus/acpi/mainboard.asl | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/src/mainboard/google/samus/acpi/mainboard.asl b/src/mainboard/google/samus/acpi/mainboard.asl index 1138f43..54a46d5 100644 --- a/src/mainboard/google/samus/acpi/mainboard.asl +++ b/src/mainboard/google/samus/acpi/mainboard.asl @@ -353,3 +353,29 @@ 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 + ) + }) + } +}