1 files changed, 14 insertions, 0 deletions

diff --git a/keyboards/keebio/foldkb/rev2_1/mcuconf.h b/keyboards/keebio/foldkb/rev2_1/mcuconf.h
new file mode 100644
index 0000000000..77847f5b2c
--- /dev/null
+++ b/keyboards/keebio/foldkb/rev2_1/mcuconf.h
@@ -0,0 +1,14 @@
+// Copyright 2025 Keebio (@keebio)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include_next <mcuconf.h>
+
+/* enable USART1, used for split comms */
+#undef STM32_SERIAL_USE_USART1
+#define STM32_SERIAL_USE_USART1 TRUE
+
+/* enable TIM3, used for RGB LED PWM driver */
+#undef STM32_PWM_USE_TIM3
+#define STM32_PWM_USE_TIM3 TRUE