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-rw-r--r--drivers/clk/visconti/clkc.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/clk/visconti/clkc.h b/drivers/clk/visconti/clkc.h
new file mode 100644
index 000000000..8756a1ec4
--- /dev/null
+++ b/drivers/clk/visconti/clkc.h
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Toshiba Visconti clock controller
+ *
+ * Copyright (c) 2021 TOSHIBA CORPORATION
+ * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation
+ *
+ * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
+ */
+
+#ifndef _VISCONTI_CLKC_H_
+#define _VISCONTI_CLKC_H_
+
+#include <linux/mfd/syscon.h>
+#include <linux/clk-provider.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/delay.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/io.h>
+#include <linux/spinlock.h>
+
+#include "reset.h"
+
+struct visconti_clk_provider {
+ struct device *dev;
+ struct regmap *regmap;
+ struct clk_hw_onecell_data clk_data;
+};
+
+struct visconti_clk_gate_table {
+ unsigned int id;
+ const char *name;
+ const struct clk_parent_data *parent_data;
+ u8 num_parents;
+ u8 flags;
+ u32 ckon_offset;
+ u32 ckoff_offset;
+ u8 ck_idx;
+ unsigned int div;
+ u8 rs_id;
+};
+
+struct visconti_fixed_clk {
+ unsigned int id;
+ const char *name;
+ const char *parent;
+ unsigned long flag;
+ unsigned int mult;
+ unsigned int div;
+};
+
+struct visconti_clk_gate {
+ struct clk_hw hw;
+ struct regmap *regmap;
+ u32 ckon_offset;
+ u32 ckoff_offset;
+ u8 ck_idx;
+ u8 flags;
+ u32 rson_offset;
+ u32 rsoff_offset;
+ u8 rs_idx;
+ spinlock_t *lock;
+};
+
+struct visconti_clk_provider *visconti_init_clk(struct device *dev,
+ struct regmap *regmap,
+ unsigned long nr_clks);
+int visconti_clk_register_gates(struct visconti_clk_provider *data,
+ const struct visconti_clk_gate_table *clks,
+ int num_gate,
+ const struct visconti_reset_data *reset,
+ spinlock_t *lock);
+
+#define NO_RESET 0xFF
+
+#endif /* _VISCONTI_CLKC_H_ */