From d90f8ac741492e436dc1986396b8aabdba642210 Mon Sep 17 00:00:00 2001
From: Kevin Chiu <kevin.chiu.17802@gmail.com>
Date: Fri, 19 Mar 2021 19:31:29 +0800
Subject: [PATCH] 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 <Kevin.Chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51659
Reviewed-by: Yu-hsuan Hsu <yuhsuan@google.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 .../include/baseboard/acpi/audio.asl          | 28 ++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

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 837678a37e..bb92243583 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 @@ Device (I2S)
 		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)
+	}
+}