diff options
Diffstat (limited to 'drivers/clk/uniphier/clk-uniphier.h')
| -rw-r--r-- | drivers/clk/uniphier/clk-uniphier.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h new file mode 100644 index 0000000000..560b3f8112 --- /dev/null +++ b/drivers/clk/uniphier/clk-uniphier.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CLK_UNIPHIER_H__ +#define __CLK_UNIPHIER_H__ + +#include <linux/kernel.h> + +struct uniphier_clk_gate_data { + int index; + unsigned int reg; + u32 mask; + u32 data; +}; + +struct uniphier_clk_rate_data { + int index; + unsigned int reg; +#define UNIPHIER_CLK_RATE_IS_FIXED UINT_MAX + u32 mask; + u32 data; + unsigned long rate; +}; + +struct uniphier_clk_soc_data { + struct uniphier_clk_gate_data *gate; + unsigned int nr_gate; + struct uniphier_clk_rate_data *rate; + unsigned int nr_rate; +}; + +#define UNIPHIER_CLK_FIXED_RATE(i, f) \ + { \ + .index = i, \ + .reg = UNIPHIER_CLK_RATE_IS_FIXED, \ + .rate = f, \ + } + +/** + * struct uniphier_clk_priv - private data for UniPhier clock driver + * + * @base: base address of the clock provider + * @socdata: SoC specific data + */ +struct uniphier_clk_priv { + void __iomem *base; + struct uniphier_clk_soc_data *socdata; +}; + +extern const struct clk_ops uniphier_clk_ops; +int uniphier_clk_probe(struct udevice *dev); +int uniphier_clk_remove(struct udevice *dev); + +#endif /* __CLK_UNIPHIER_H__ */ |