diff --git a/src/soc/amd/picasso/acp.c b/src/soc/amd/picasso/acp.c
index c2c1022f76..e0b369d65e 100644
--- a/src/soc/amd/picasso/acp.c
+++ b/src/soc/amd/picasso/acp.c
@@ -6,9 +6,9 @@
 #include <device/pci_ids.h>
 #include <device/pci_ops.h>
 #include "chip.h"
+#include <soc/acp.h>
 #include <soc/acpi.h>
 #include <soc/pci_devs.h>
-#include <soc/northbridge.h>
 #include <soc/southbridge.h>
 #include <amdblocks/acpimmio.h>
 #include <commonlib/helpers.h>
diff --git a/src/soc/amd/picasso/include/soc/acp.h b/src/soc/amd/picasso/include/soc/acp.h
new file mode 100644
index 0000000000..e7ec17ca38
--- /dev/null
+++ b/src/soc/amd/picasso/include/soc/acp.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* This file is part of the coreboot project. */
+
+#ifndef __PI_PICASSO_ACP_H__
+#define __PI_PICASSO_ACP_H__
+
+/* Bus A D0F5 - Audio Processor */
+#define ACP_I2S_PIN_CONFIG	0x1400	/* HDA, Soundwire, I2S */
+
+#endif /* __PI_PICASSO_ACP_H__ */