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-rw-r--r--drivers/clk/mxs/clk.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/clk/mxs/clk.h b/drivers/clk/mxs/clk.h
new file mode 100644
index 000000000..75729a7df
--- /dev/null
+++ b/drivers/clk/mxs/clk.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ */
+
+#ifndef __MXS_CLK_H
+#define __MXS_CLK_H
+
+struct clk;
+
+#include <linux/clk-provider.h>
+#include <linux/spinlock.h>
+
+#define SET 0x4
+#define CLR 0x8
+
+extern spinlock_t mxs_lock;
+
+int mxs_clk_wait(void __iomem *reg, u8 shift);
+
+struct clk *mxs_clk_pll(const char *name, const char *parent_name,
+ void __iomem *base, u8 power, unsigned long rate);
+
+struct clk *mxs_clk_ref(const char *name, const char *parent_name,
+ void __iomem *reg, u8 idx);
+
+struct clk *mxs_clk_div(const char *name, const char *parent_name,
+ void __iomem *reg, u8 shift, u8 width, u8 busy);
+
+struct clk *mxs_clk_frac(const char *name, const char *parent_name,
+ void __iomem *reg, u8 shift, u8 width, u8 busy);
+
+static inline struct clk *mxs_clk_fixed(const char *name, int rate)
+{
+ return clk_register_fixed_rate(NULL, name, NULL, 0, rate);
+}
+
+static inline struct clk *mxs_clk_gate(const char *name,
+ const char *parent_name, void __iomem *reg, u8 shift)
+{
+ return clk_register_gate(NULL, name, parent_name, CLK_SET_RATE_PARENT,
+ reg, shift, CLK_GATE_SET_TO_DISABLE,
+ &mxs_lock);
+}
+
+static inline struct clk *mxs_clk_mux(const char *name, void __iomem *reg,
+ u8 shift, u8 width, const char *const *parent_names, int num_parents)
+{
+ return clk_register_mux(NULL, name, parent_names, num_parents,
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
+ reg, shift, width, 0, &mxs_lock);
+}
+
+static inline struct clk *mxs_clk_fixed_factor(const char *name,
+ const char *parent_name, unsigned int mult, unsigned int div)
+{
+ return clk_register_fixed_factor(NULL, name, parent_name,
+ CLK_SET_RATE_PARENT, mult, div);
+}
+
+#endif /* __MXS_CLK_H */