1 files changed, 53 insertions, 0 deletions

diff --git a/drivers/clk/sunxi-ng/ccu_frac.h b/drivers/clk/sunxi-ng/ccu_frac.h
new file mode 100644
index 000000000000..e4c670b1cdfe
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_frac.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+
+#ifndef _CCU_FRAC_H_
+#define _CCU_FRAC_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+
+struct _ccu_frac {
+        u32             enable;
+        u32             select;
+
+        unsigned long   rates[2];
+};
+
+#define _SUNXI_CCU_FRAC(_enable, _select, _rate1, _rate2)               \
+        {                                                               \
+                .enable = _enable,                                      \
+                .select = _select,                                      \
+                .rates = { _rate1, _rate2 },                            \
+        }
+
+bool ccu_frac_helper_is_enabled(struct ccu_common *common,
+                                struct _ccu_frac *cf);
+void ccu_frac_helper_enable(struct ccu_common *common,
+                            struct _ccu_frac *cf);
+void ccu_frac_helper_disable(struct ccu_common *common,
+                             struct _ccu_frac *cf);
+
+bool ccu_frac_helper_has_rate(struct ccu_common *common,
+                              struct _ccu_frac *cf,
+                              unsigned long rate);
+
+unsigned long ccu_frac_helper_read_rate(struct ccu_common *common,
+                                        struct _ccu_frac *cf);
+
+int ccu_frac_helper_set_rate(struct ccu_common *common,
+                             struct _ccu_frac *cf,
+                             unsigned long rate);
+
+#endif /* _CCU_FRAC_H_ */