From a30c5731aedaf8744a5abd0a8a90e9711f58de8e Mon Sep 17 00:00:00 2001
From: cyliang tw <cyliang@nuvoton.com>
Date: Fri, 31 May 2024 20:06:28 +0800
Subject: [PATCH] tests: drivers: can: api: support numaker_m2l31ki

Add support for Nuvoton numaker board numaker_m2l31ki.
m2l31x has 4 MPU regions and can't afford one more region
for USERSPACE, so set CONFIG_USERSPACE=n in m2l31ki_defconfig.

Signed-off-by: cyliang tw <cyliang@nuvoton.com>
---
 .../numaker_m2l31ki/numaker_m2l31ki_defconfig |  3 +++
 .../can/api/boards/numaker_m2l31ki.overlay    | 23 +++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 tests/drivers/can/api/boards/numaker_m2l31ki.overlay

diff --git a/boards/nuvoton/numaker_m2l31ki/numaker_m2l31ki_defconfig b/boards/nuvoton/numaker_m2l31ki/numaker_m2l31ki_defconfig
index e59234cb73c..4e555333a7e 100644
--- a/boards/nuvoton/numaker_m2l31ki/numaker_m2l31ki_defconfig
+++ b/boards/nuvoton/numaker_m2l31ki/numaker_m2l31ki_defconfig
@@ -21,3 +21,6 @@ CONFIG_UART_CONSOLE=y
 
 # Enable RMC
 CONFIG_FLASH=y
+
+# m2l31x has 4 MPU regions and can't afford to enable CONFIG_USERSPACE
+CONFIG_USERSPACE=n
diff --git a/tests/drivers/can/api/boards/numaker_m2l31ki.overlay b/tests/drivers/can/api/boards/numaker_m2l31ki.overlay
new file mode 100644
index 00000000000..17e70677570
--- /dev/null
+++ b/tests/drivers/can/api/boards/numaker_m2l31ki.overlay
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
+/ {
+	chosen {
+		zephyr,canbus = &canfd0;
+	};
+};
+
+&pinctrl {
+	/* CAN TX/RX --> UNO D3/D2 */
+	canfd0_default: canfd0_default {
+		group0 {
+			pinmux = <PC5MFP_CANFD0_TXD>,
+				 <PC4MFP_CANFD0_RXD>;
+		};
+	};
+};
+
+&canfd0 {
+	pinctrl-0 = <&canfd0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};