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diff --git a/keyboards/handwired/onekey/sipeed_longan_nano/config.h b/keyboards/handwired/onekey/sipeed_longan_nano/config.h
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+++ b/keyboards/handwired/onekey/sipeed_longan_nano/config.h
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+/* Copyright 2021 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 "config_common.h"
+
+#define MATRIX_COL_PINS \
+ { B0 }
+#define MATRIX_ROW_PINS \
+ { A7 }
+#define UNUSED_PINS
+
+#define BACKLIGHT_PIN A1 /* Green LED. */
+#define BACKLIGHT_PWM_DRIVER PWMD5 /* GD32 numbering scheme starts from 0, TIMER4 on GD32 boards is TIMER5 on STM32 boards. */
+#define BACKLIGHT_PWM_CHANNEL 2 /* GD32 numbering scheme starts from 0, Channel 1 on GD32 boards is Channel 2 on STM32 boards. */
+
+#define RGB_DI_PIN A2
+#define RGB_CI_PIN B13
+
+#define ADC_PIN A0
+
+#define I2C1_CLOCK_SPEED 1000000 /* GD32VF103 supports fast mode plus. */
+#define I2C1_DUTY_CYCLE FAST_DUTY_CYCLE_2