Change in coreboot[master]: google/kahlee: Add Realtek audio codec ASL

[Marc Jones (Code Review)]

Marc Jones has uploaded a new change for review. ( https://review.coreboot.org/19845 )

Change subject: google/kahlee: Add Realtek audio codec ASL
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google/kahlee: Add Realtek audio codec ASL

Add the RT5650 codec ASL for proper Linux driver loading.

Devices visible to OS:
 /sys/bus/acpi/devices/10EC5650:00
 /sys/bus/acpi/devices/I2SC1002:00

Change-Id: I60b256f68372c9d17d67c9cb2accaca616a0b9a5
Signed-off-by: Ivy Jian 
Signed-off-by: Marc Jones 
---
M src/mainboard/google/kahlee/acpi/mainboard.asl
1 file changed, 41 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/45/19845/1

diff --git a/src/mainboard/google/kahlee/acpi/mainboard.asl b/src/mainboard/google/kahlee/acpi/mainboard.asl
index b7dbc14..569fed8 100644
--- a/src/mainboard/google/kahlee/acpi/mainboard.asl
+++ b/src/mainboard/google/kahlee/acpi/mainboard.asl
@@ -58,3 +58,44 @@
    /* Allow device to power off in S0 */
    Name (_S0W, 3)
 }
+
+/* Realtek Audio Codec */
+Device (RTEK)   /* Audio Codec driver I2C */
+{
+	Name (_ADR, 0)
+	Name (_HID, "10EC5650")
+	Name (_CID, "10EC5650")
+	Name (_DDN, "RTEK Codec Controller ")
+	Name (_UID, 1)
+
+	Device (I2S) /* I2S machine driver for RT5650 */
+	{
+		Name (_ADR, 1)
+		Name (_HID, "I2SC1002")
+		Name (_CID, "I2SC1002")
+	}
+
+	Method(_CRS, 0x0, NotSerialized)
+	{
+		Name(SBUF,ResourceTemplate ()
+		{
+			I2CSerialBus(
+			0x1A,   /* SlaveAddress: bus address */
+			ControllerInitiated,    /* SlaveMode: default to ControllerInitiated */
+			400000,                 /* ConnectionSpeed: in Hz */
+			AddressingMode7Bit,     /* Addressing Mode: default to 7 bit */
+			"\_SB.I2CA",           /* ResourceSource: I2C bus controller name */
+			)
+
+			/* Jack Detect AGPIO90 */
+			GpioInt (Edge, ActiveLow, ExclusiveAndWake, PullNone,,
+				"\_SB.GPIO") { 90 }
+		})
+		Return (SBUF)
+	}
+
+	Method (_STA)
+	{
+		Return (0xF)
+	}
+}