1 files changed, 65 insertions, 0 deletions
diff --git a/include/hw/misc/allwinner-r40-ccu.h b/include/hw/misc/allwinner-r40-ccu.h
new file mode 100644
index 0000000000..ceb74eff92
--- /dev/null
+++ b/include/hw/misc/allwinner-r40-ccu.h
@@ -0,0 +1,65 @@
+/*
+ * Allwinner R40 Clock Control Unit emulation
+ *
+ * Copyright (C) 2023 qianfan Zhao <qianfanguijin@163.com>
+ *
+ * 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/>.
+ */
+
+#ifndef HW_MISC_ALLWINNER_R40_CCU_H
+#define HW_MISC_ALLWINNER_R40_CCU_H
+
+#include "qom/object.h"
+#include "hw/sysbus.h"
+
+/**
+ * @name Constants
+ * @{
+ */
+
+/** Size of register I/O address space used by CCU device */
+#define AW_R40_CCU_IOSIZE        (0x400)
+
+/** Total number of known registers */
+#define AW_R40_CCU_REGS_NUM      (AW_R40_CCU_IOSIZE / sizeof(uint32_t))
+
+/** @} */
+
+/**
+ * @name Object model
+ * @{
+ */
+
+#define TYPE_AW_R40_CCU    "allwinner-r40-ccu"
+OBJECT_DECLARE_SIMPLE_TYPE(AwR40ClockCtlState, AW_R40_CCU)
+
+/** @} */
+
+/**
+ * Allwinner R40 CCU object instance state.
+ */
+struct AwR40ClockCtlState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    /** Maps I/O registers in physical memory */
+    MemoryRegion iomem;
+
+    /** Array of hardware registers */
+    uint32_t regs[AW_R40_CCU_REGS_NUM];
+
+};
+
+#endif /* HW_MISC_ALLWINNER_R40_CCU_H */