Add k3_pro

1 files changed, 36 insertions, 0 deletions

diff --git a/keyboards/keychron/k3_pro/mcuconf.h b/keyboards/keychron/k3_pro/mcuconf.h
new file mode 100644
index 0000000000..4dae767a44
--- /dev/null
+++ b/keyboards/keychron/k3_pro/mcuconf.h
@@ -0,0 +1,36 @@
+/* Copyright 2020 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include_next <mcuconf.h>
+
+/* Set HCLK to 48 MHz as tradeoff of USB lowest clockand and
+ * lower power comsumption for bluetooth. Will use dynamic
+ * clock when STM32L4 is supported in ChibiOS */
+#undef STM32_PLLM_VALUE
+#define STM32_PLLM_VALUE 2
+
+#undef STM32_PLLN_VALUE
+#define STM32_PLLN_VALUE 12
+
+#undef STM32_I2C_USE_I2C1
+#define STM32_I2C_USE_I2C1 TRUE
+
+#ifdef KC_BLUETOOTH_ENABLE
+#    undef STM32_SERIAL_USE_USART2
+#    define STM32_SERIAL_USE_USART2 TRUE
+#endif