From 24d171db43e5f917f2e331663f7f95a5f3714cee Mon Sep 17 00:00:00 2001
From: Aksel Skauge Mellbye <aksel.mellbye@silabs.com>
Date: Mon, 10 Mar 2025 16:49:01 +0100
Subject: [PATCH] snippets: silabs-pti: Add snippet to enable Packet Trace
 Interface

Add snippet that can be used to enable packet trace output from
Silicon Labs Series 2 devices.

Signed-off-by: Aksel Skauge Mellbye <aksel.mellbye@silabs.com>
---
 MAINTAINERS.yml                 |  1 +
 snippets/silabs-pti/README.rst  | 21 +++++++++++++++++++++
 snippets/silabs-pti/pti.conf    |  4 ++++
 snippets/silabs-pti/pti.overlay | 11 +++++++++++
 snippets/silabs-pti/snippet.yml |  4 ++++
 5 files changed, 41 insertions(+)
 create mode 100644 snippets/silabs-pti/README.rst
 create mode 100644 snippets/silabs-pti/pti.conf
 create mode 100644 snippets/silabs-pti/pti.overlay
 create mode 100644 snippets/silabs-pti/snippet.yml

diff --git a/MAINTAINERS.yml b/MAINTAINERS.yml
index 0dc51e1a8cf..9def215b178 100644
--- a/MAINTAINERS.yml
+++ b/MAINTAINERS.yml
@@ -3691,6 +3691,7 @@ Silabs Platforms:
     - drivers/*/*/*silabs*
     - drivers/*/*/*siwx91x*
     - tests/boards/silabs/
+    - snippets/*silabs*/
   labels:
     - "platform: Silabs"
 
diff --git a/snippets/silabs-pti/README.rst b/snippets/silabs-pti/README.rst
new file mode 100644
index 00000000000..1f5c188e49f
--- /dev/null
+++ b/snippets/silabs-pti/README.rst
@@ -0,0 +1,21 @@
+.. _silabs-pti:
+
+Silicon Labs Packet Trace Interface (silabs-pti)
+################################################
+
+Overview
+********
+
+This snippet allows users to build Zephyr applications for Silicon Labs Series 2 devices
+where radio packets are emitted over the Packet Trace Interface for use by debugging tools.
+
+.. code-block:: console
+
+   west build -S silabs-pti [...]
+
+Requirements
+************
+
+Hardware support for :dtcompatible:`silabs,pti`.
+
+A pinctrl configuration with nodelabel ``pti_default`` containing PTI pinout.
diff --git a/snippets/silabs-pti/pti.conf b/snippets/silabs-pti/pti.conf
new file mode 100644
index 00000000000..ce21d7240fa
--- /dev/null
+++ b/snippets/silabs-pti/pti.conf
@@ -0,0 +1,4 @@
+# Copyright (c) 2024 Silicon Laboratories Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_DEBUG_DRIVER=y
diff --git a/snippets/silabs-pti/pti.overlay b/snippets/silabs-pti/pti.overlay
new file mode 100644
index 00000000000..f7cc3a4b0b1
--- /dev/null
+++ b/snippets/silabs-pti/pti.overlay
@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pti {
+	pinctrl-0 = <&pti_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
diff --git a/snippets/silabs-pti/snippet.yml b/snippets/silabs-pti/snippet.yml
new file mode 100644
index 00000000000..f6a48fcfc7b
--- /dev/null
+++ b/snippets/silabs-pti/snippet.yml
@@ -0,0 +1,4 @@
+name: silabs-pti
+append:
+  EXTRA_CONF_FILE: pti.conf
+  EXTRA_DTC_OVERLAY_FILE: pti.overlay