From 80386a7042bf0aaa5caf43f91371a359c5af616f Mon Sep 17 00:00:00 2001
From: Henrique Garcia <henrique.garcia@toradex.com>
Date: Mon, 28 Mar 2022 08:32:41 -0300
Subject: colibri-imx8x: add overlay to disable the cortex-m's uart

Related-to: ELB-4380
Signed-off-by: Henrique Garcia <henrique.garcia@toradex.com>
---
 .../colibri-imx8x_disable-cm40-uart_overlay.dts     | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 overlays/colibri-imx8x_disable-cm40-uart_overlay.dts

(limited to 'overlays/colibri-imx8x_disable-cm40-uart_overlay.dts')

diff --git a/overlays/colibri-imx8x_disable-cm40-uart_overlay.dts b/overlays/colibri-imx8x_disable-cm40-uart_overlay.dts
new file mode 100644
index 0000000..e778c87
--- /dev/null
+++ b/overlays/colibri-imx8x_disable-cm40-uart_overlay.dts
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2021 Toradex
+ */
+
+// Disables, at the Linux side, the UART that is shared with Cortex-M
+
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "toradex,colibri-imx8";
+};
+
+&cm40_lpuart {
+	status = "disabled";
+};
+
+&cm40_uart_lpcg {
+	status = "disabled";
+};
-- 
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