1 files changed, 72 insertions, 0 deletions
diff --git a/sys/dev/clk/starfive/jh7110_clk.h b/sys/dev/clk/starfive/jh7110_clk.h
new file mode 100644
index 000000000000..882f82032d44
--- /dev/null
+++ b/sys/dev/clk/starfive/jh7110_clk.h
@@ -0,0 +1,72 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Jari Sihvola <jsihv@gmx.com>
+ */
+
+#ifndef _JH7110_CLK_H_
+#define	_JH7110_CLK_H_
+
+#include <dev/clk/clk.h>
+
+#define JH7110_CLK_HAS_GATE	0x01
+#define JH7110_CLK_HAS_MUX	0x02
+#define JH7110_CLK_HAS_DIV	0x04
+#define JH7110_CLK_HAS_INV	0x08
+
+#define AONCRG_RESET_SELECTOR	0x38
+#define AONCRG_RESET_STATUS	0x3c
+#define STGCRG_RESET_SELECTOR	0x74
+#define STGCRG_RESET_STATUS	0x78
+#define SYSCRG_RESET_SELECTOR	0x2f8
+#define SYSCRG_RESET_STATUS	0x308
+
+struct jh7110_clkgen_softc {
+	struct mtx		mtx;
+	struct clkdom		*clkdom;
+	struct resource		*mem_res;
+	uint32_t		reset_status_offset;
+	uint32_t		reset_selector_offset;
+};
+
+struct jh7110_clk_def {
+	struct clknode_init_def clkdef;
+	uint32_t		offset;
+	uint32_t		flags;
+	uint64_t		d_max;
+};
+
+#define	JH7110_CLK(_idx, _name, _pn, _d_max, _flags)		\
+{								\
+	.clkdef.id = _idx,					\
+	.clkdef.name =	_name,					\
+	.clkdef.parent_names = _pn,				\
+	.clkdef.parent_cnt = nitems(_pn),			\
+	.clkdef.flags = CLK_NODE_STATIC_STRINGS,		\
+	.flags = _flags,					\
+	.d_max = _d_max,					\
+}
+
+#define	JH7110_GATE(_idx, _name, _pn)					\
+	JH7110_CLK(_idx, _name, _pn, 0, JH7110_CLK_HAS_GATE)
+#define	JH7110_MUX(_idx, _name, _pn)					\
+	JH7110_CLK(_idx, _name, _pn, 0, JH7110_CLK_HAS_MUX)
+#define	JH7110_DIV(_idx, _name, _pn, _d_max)				\
+	JH7110_CLK(_idx, _name, _pn, _d_max, JH7110_CLK_HAS_DIV)
+#define	JH7110_GATEMUX(_idx, _name, _pn)				\
+	JH7110_CLK(_idx, _name, _pn, 0, JH7110_CLK_HAS_GATE |		\
+	JH7110_CLK_HAS_MUX)
+#define	JH7110_GATEDIV(_idx, _name, _pn, _d_max)			\
+	JH7110_CLK(_idx, _name, _pn, _d_max, JH7110_CLK_HAS_GATE |	\
+	JH7110_CLK_HAS_DIV)
+#define JH7110_INV(_idx, _name, _pn)					\
+	JH7110_CLK(_idx, _name, _pn, 0, JH7110_CLK_HAS_INV)
+
+int jh7110_clk_register(struct clkdom *clkdom,
+    const struct jh7110_clk_def *clkdef);
+int jh7110_ofw_map(struct clkdom *clkdom, uint32_t ncells, phandle_t *cells,
+    struct clknode **clk);
+int jh7110_reset_is_asserted(device_t dev, intptr_t id, bool *reset);
+int jh7110_reset_assert(device_t dev, intptr_t id, bool assert);
+
+#endif	/* _JH7110_CLK_H_ */