From 5c85793d260c812ec041fa833de00f61d1f62748 Mon Sep 17 00:00:00 2001
From: Mac Chiang <mac.chiang@intel.com>
Date: Wed, 17 Sep 2025 13:30:21 +0800
Subject: [PATCH] mb/google/fatcat/var/lapis: Add cs42l43 and cs35l56 Soundwire
 links

Enable the CS42L43 codec on SoundWire link 3 and the CS35L56
amplifiers on SoundWire link 2.

Scope (\_SB.PCI0.HDAS.SNDW)
    {
        Device (SW30)
        {
            Name (_ADR, 0x00033001FA424301)  // _ADR: Address
            Name (_DDN, "Headset Codec")  // _DDN: DOS Device Name
            Name (_SUB, "1337")  // _SUB: Subsystem ID
...
    {
        Device (SW20)
        {
            Name (_ADR, 0x00023001FA355601)  // _ADR: Address
            Name (_DDN, "Left Speaker Amp")  // _DDN: DOS Device Name
            Name (_SUB, "12345678")  // _SUB: Subsystem ID
...
        Device (SW21)
        {
            Name (_ADR, 0x00023101FA355601)  // _ADR: Address
            Name (_DDN, "Right Speaker Amp")  // _DDN: DOS Device Name
            Name (_SUB, "12345678")  // _SUB: Subsystem ID
...

BUG=b:444122406, b:444302600
TES=emerge-lapis coreboot

Change-Id: Ic73d705655bdc0a4a8140feafa28aceb2fc25ad3
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/89345
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 .../fatcat/variants/lapis/overridetree.cb     | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/mainboard/google/fatcat/variants/lapis/overridetree.cb b/src/mainboard/google/fatcat/variants/lapis/overridetree.cb
index 39da99b14c..8c98633a79 100644
--- a/src/mainboard/google/fatcat/variants/lapis/overridetree.cb
+++ b/src/mainboard/google/fatcat/variants/lapis/overridetree.cb
@@ -443,6 +443,32 @@ chip soc/intel/pantherlake
 			end
 		end #Touchpenal
 
+		device ref hda on
+			chip drivers/intel/soundwire
+				device generic 0 on
+					chip drivers/soundwire/cs42l43
+						# SoundWire Link 3 ID 0
+						register "desc" = ""Headset Codec""
+						register "sub" = ""1337""
+						device generic 3.0 on end
+					end
+					chip drivers/soundwire/cs35l56
+						# SoundWire Link 2 ID 0
+						register "desc" = ""Left Speaker Amp""
+						register "part_id" = "MIPI_DEV_ID_CIRRUS_CS35L56"
+						register "sub" = ""12345678""
+						device generic 2.0 on end
+					end
+					chip drivers/soundwire/cs35l56
+						# SoundWire Link 2 ID 1
+						register "desc" = ""Right Speaker Amp""
+						register "part_id" = "MIPI_DEV_ID_CIRRUS_CS35L56"
+						register "sub" = ""12345678""
+						device generic 2.1 on end
+					end
+				end
+			end
+		end # SNDW
 		device ref i2c0 on end
 		device ref i2c3 on
 			chip drivers/i2c/tpm