[coreboot-gerrit] Change in coreboot[master]: google/grunt: Add ALC5682 ACPI I2S machine driver

[Martin Roth (Code Review)]

Martin Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/51659 )

Change subject: google/grunt: Add ALC5682 ACPI I2S machine driver
......................................................................

google/grunt: Add ALC5682 ACPI I2S machine driver

The is used for AMD Grunt board which uses ALC5682 and MAX98357 codec.
kernel driver will need to retrieve MISC FCH memory resource for CLK
enabling per different CID/HID.

BUG=b:171755306
BRANCH=master
TEST=emerge-grunt coreboot

Change-Id: I5f29a2d784a9fc749fff61a9c96c0a487b71a2d7
Signed-off-by: Kevin Chiu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51659
Reviewed-by: Yu-hsuan Hsu 
Reviewed-by: Martin Roth 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl
1 file changed, 27 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Martin Roth: Looks good to me, approved
  Yu-hsuan Hsu: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl
index 837678a..bb92243 100644
--- a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl
+++ b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/audio.asl
@@ -3,7 +3,7 @@
 #include <amdblocks/acpimmio_map.h>

/* Grunt specific I2S machine driver */
-Device (I2S)
+Device (I2S0)
 {
    Name (_HID, "AMD7219")
    Name (_CID, "AMD7219")
@@ -28,3 +28,29 @@
    	Return (RBUF)
    }
 }
+
+Device (I2S1)
+{
+	Name (_HID, "AMDI5682")
+	Name (_CID, "AMDI5682")
+
+	/* Device-Specific Data */
+	Name (_DSD, Package ()
+	{
+		ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+		Package ()
+		{
+			Package () { "bt-pad-enable", 1 },
+		}
+	})
+
+	Method (_CRS, 0x0, Serialized) {
+		Name (RBUF, ResourceTemplate () {
+			// Memory resource is for MISC FCH register set.
+			// It is needed for enabling the clock.
+			Memory32Fixed(ReadWrite, ACPIMMIO_MISC_BASE, 0x100)
+		})
+
+		Return (RBUF)
+	}
+}