Masahiro Yamada | e4dfb05 | 2016-02-02 21:11:32 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| 6 | |
| 7 | #ifndef __CLK_UNIPHIER_H__ |
| 8 | #define __CLK_UNIPHIER_H__ |
| 9 | |
| 10 | #include <linux/kernel.h> |
| 11 | |
| 12 | struct uniphier_clk_gate_data { |
| 13 | int index; |
| 14 | unsigned int reg; |
| 15 | u32 mask; |
| 16 | u32 data; |
| 17 | }; |
| 18 | |
| 19 | struct uniphier_clk_rate_data { |
| 20 | int index; |
| 21 | unsigned int reg; |
| 22 | #define UNIPHIER_CLK_RATE_IS_FIXED UINT_MAX |
| 23 | u32 mask; |
| 24 | u32 data; |
| 25 | unsigned long rate; |
| 26 | }; |
| 27 | |
| 28 | struct uniphier_clk_soc_data { |
| 29 | struct uniphier_clk_gate_data *gate; |
| 30 | unsigned int nr_gate; |
| 31 | struct uniphier_clk_rate_data *rate; |
| 32 | unsigned int nr_rate; |
| 33 | }; |
| 34 | |
| 35 | #define UNIPHIER_CLK_FIXED_RATE(i, f) \ |
| 36 | { \ |
| 37 | .index = i, \ |
| 38 | .reg = UNIPHIER_CLK_RATE_IS_FIXED, \ |
| 39 | .rate = f, \ |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * struct uniphier_clk_priv - private data for UniPhier clock driver |
| 44 | * |
| 45 | * @base: base address of the clock provider |
| 46 | * @socdata: SoC specific data |
| 47 | */ |
| 48 | struct uniphier_clk_priv { |
| 49 | void __iomem *base; |
| 50 | struct uniphier_clk_soc_data *socdata; |
| 51 | }; |
| 52 | |
| 53 | extern const struct clk_ops uniphier_clk_ops; |
| 54 | int uniphier_clk_probe(struct udevice *dev); |
| 55 | int uniphier_clk_remove(struct udevice *dev); |
| 56 | |
| 57 | #endif /* __CLK_UNIPHIER_H__ */ |