1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Si5351A/B/C programmable clock generator platform_data. |
4 | */ |
5 | |
6 | #ifndef __LINUX_PLATFORM_DATA_SI5351_H__ |
7 | #define __LINUX_PLATFORM_DATA_SI5351_H__ |
8 | |
9 | /** |
10 | * enum si5351_pll_src - Si5351 pll clock source |
11 | * @SI5351_PLL_SRC_DEFAULT: default, do not change eeprom config |
12 | * @SI5351_PLL_SRC_XTAL: pll source clock is XTAL input |
13 | * @SI5351_PLL_SRC_CLKIN: pll source clock is CLKIN input (Si5351C only) |
14 | */ |
15 | enum si5351_pll_src { |
16 | SI5351_PLL_SRC_DEFAULT = 0, |
17 | SI5351_PLL_SRC_XTAL = 1, |
18 | SI5351_PLL_SRC_CLKIN = 2, |
19 | }; |
20 | |
21 | /** |
22 | * enum si5351_multisynth_src - Si5351 multisynth clock source |
23 | * @SI5351_MULTISYNTH_SRC_DEFAULT: default, do not change eeprom config |
24 | * @SI5351_MULTISYNTH_SRC_VCO0: multisynth source clock is VCO0 |
25 | * @SI5351_MULTISYNTH_SRC_VCO1: multisynth source clock is VCO1/VXCO |
26 | */ |
27 | enum si5351_multisynth_src { |
28 | SI5351_MULTISYNTH_SRC_DEFAULT = 0, |
29 | SI5351_MULTISYNTH_SRC_VCO0 = 1, |
30 | SI5351_MULTISYNTH_SRC_VCO1 = 2, |
31 | }; |
32 | |
33 | /** |
34 | * enum si5351_clkout_src - Si5351 clock output clock source |
35 | * @SI5351_CLKOUT_SRC_DEFAULT: default, do not change eeprom config |
36 | * @SI5351_CLKOUT_SRC_MSYNTH_N: clkout N source clock is multisynth N |
37 | * @SI5351_CLKOUT_SRC_MSYNTH_0_4: clkout N source clock is multisynth 0 (N<4) |
38 | * or 4 (N>=4) |
39 | * @SI5351_CLKOUT_SRC_XTAL: clkout N source clock is XTAL |
40 | * @SI5351_CLKOUT_SRC_CLKIN: clkout N source clock is CLKIN (Si5351C only) |
41 | */ |
42 | enum si5351_clkout_src { |
43 | SI5351_CLKOUT_SRC_DEFAULT = 0, |
44 | SI5351_CLKOUT_SRC_MSYNTH_N = 1, |
45 | SI5351_CLKOUT_SRC_MSYNTH_0_4 = 2, |
46 | SI5351_CLKOUT_SRC_XTAL = 3, |
47 | SI5351_CLKOUT_SRC_CLKIN = 4, |
48 | }; |
49 | |
50 | /** |
51 | * enum si5351_drive_strength - Si5351 clock output drive strength |
52 | * @SI5351_DRIVE_DEFAULT: default, do not change eeprom config |
53 | * @SI5351_DRIVE_2MA: 2mA clock output drive strength |
54 | * @SI5351_DRIVE_4MA: 4mA clock output drive strength |
55 | * @SI5351_DRIVE_6MA: 6mA clock output drive strength |
56 | * @SI5351_DRIVE_8MA: 8mA clock output drive strength |
57 | */ |
58 | enum si5351_drive_strength { |
59 | SI5351_DRIVE_DEFAULT = 0, |
60 | SI5351_DRIVE_2MA = 2, |
61 | SI5351_DRIVE_4MA = 4, |
62 | SI5351_DRIVE_6MA = 6, |
63 | SI5351_DRIVE_8MA = 8, |
64 | }; |
65 | |
66 | /** |
67 | * enum si5351_disable_state - Si5351 clock output disable state |
68 | * @SI5351_DISABLE_DEFAULT: default, do not change eeprom config |
69 | * @SI5351_DISABLE_LOW: CLKx is set to a LOW state when disabled |
70 | * @SI5351_DISABLE_HIGH: CLKx is set to a HIGH state when disabled |
71 | * @SI5351_DISABLE_FLOATING: CLKx is set to a FLOATING state when |
72 | * disabled |
73 | * @SI5351_DISABLE_NEVER: CLKx is NEVER disabled |
74 | */ |
75 | enum si5351_disable_state { |
76 | SI5351_DISABLE_DEFAULT = 0, |
77 | SI5351_DISABLE_LOW, |
78 | SI5351_DISABLE_HIGH, |
79 | SI5351_DISABLE_FLOATING, |
80 | SI5351_DISABLE_NEVER, |
81 | }; |
82 | |
83 | /** |
84 | * struct si5351_clkout_config - Si5351 clock output configuration |
85 | * @clkout: clkout number |
86 | * @multisynth_src: multisynth source clock |
87 | * @clkout_src: clkout source clock |
88 | * @pll_master: if true, clkout can also change pll rate |
89 | * @pll_reset: if true, clkout can reset its pll |
90 | * @drive: output drive strength |
91 | * @rate: initial clkout rate, or default if 0 |
92 | */ |
93 | struct si5351_clkout_config { |
94 | enum si5351_multisynth_src multisynth_src; |
95 | enum si5351_clkout_src clkout_src; |
96 | enum si5351_drive_strength drive; |
97 | enum si5351_disable_state disable_state; |
98 | bool pll_master; |
99 | bool pll_reset; |
100 | unsigned long rate; |
101 | }; |
102 | |
103 | /** |
104 | * struct si5351_platform_data - Platform data for the Si5351 clock driver |
105 | * @clk_xtal: xtal input clock |
106 | * @clk_clkin: clkin input clock |
107 | * @pll_src: array of pll source clock setting |
108 | * @clkout: array of clkout configuration |
109 | */ |
110 | struct si5351_platform_data { |
111 | enum si5351_pll_src pll_src[2]; |
112 | struct si5351_clkout_config clkout[8]; |
113 | }; |
114 | |
115 | #endif |
116 | |