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9abd5f05 SH |
1 | /* |
2 | * Si5351A/B/C programmable clock generator platform_data. | |
3 | */ | |
4 | ||
5 | #ifndef __LINUX_PLATFORM_DATA_SI5351_H__ | |
6 | #define __LINUX_PLATFORM_DATA_SI5351_H__ | |
7 | ||
8 | struct clk; | |
9 | ||
10 | /** | |
11 | * enum si5351_variant - SiLabs Si5351 chip variant | |
12 | * @SI5351_VARIANT_A: Si5351A (8 output clocks, XTAL input) | |
13 | * @SI5351_VARIANT_A3: Si5351A MSOP10 (3 output clocks, XTAL input) | |
14 | * @SI5351_VARIANT_B: Si5351B (8 output clocks, XTAL/VXCO input) | |
15 | * @SI5351_VARIANT_C: Si5351C (8 output clocks, XTAL/CLKIN input) | |
16 | */ | |
17 | enum si5351_variant { | |
18 | SI5351_VARIANT_A = 1, | |
19 | SI5351_VARIANT_A3 = 2, | |
20 | SI5351_VARIANT_B = 3, | |
21 | SI5351_VARIANT_C = 4, | |
22 | }; | |
23 | ||
24 | /** | |
25 | * enum si5351_pll_src - Si5351 pll clock source | |
26 | * @SI5351_PLL_SRC_DEFAULT: default, do not change eeprom config | |
27 | * @SI5351_PLL_SRC_XTAL: pll source clock is XTAL input | |
28 | * @SI5351_PLL_SRC_CLKIN: pll source clock is CLKIN input (Si5351C only) | |
29 | */ | |
30 | enum si5351_pll_src { | |
31 | SI5351_PLL_SRC_DEFAULT = 0, | |
32 | SI5351_PLL_SRC_XTAL = 1, | |
33 | SI5351_PLL_SRC_CLKIN = 2, | |
34 | }; | |
35 | ||
36 | /** | |
37 | * enum si5351_multisynth_src - Si5351 multisynth clock source | |
38 | * @SI5351_MULTISYNTH_SRC_DEFAULT: default, do not change eeprom config | |
39 | * @SI5351_MULTISYNTH_SRC_VCO0: multisynth source clock is VCO0 | |
40 | * @SI5351_MULTISYNTH_SRC_VCO1: multisynth source clock is VCO1/VXCO | |
41 | */ | |
42 | enum si5351_multisynth_src { | |
43 | SI5351_MULTISYNTH_SRC_DEFAULT = 0, | |
44 | SI5351_MULTISYNTH_SRC_VCO0 = 1, | |
45 | SI5351_MULTISYNTH_SRC_VCO1 = 2, | |
46 | }; | |
47 | ||
48 | /** | |
49 | * enum si5351_clkout_src - Si5351 clock output clock source | |
50 | * @SI5351_CLKOUT_SRC_DEFAULT: default, do not change eeprom config | |
51 | * @SI5351_CLKOUT_SRC_MSYNTH_N: clkout N source clock is multisynth N | |
52 | * @SI5351_CLKOUT_SRC_MSYNTH_0_4: clkout N source clock is multisynth 0 (N<4) | |
53 | * or 4 (N>=4) | |
54 | * @SI5351_CLKOUT_SRC_XTAL: clkout N source clock is XTAL | |
55 | * @SI5351_CLKOUT_SRC_CLKIN: clkout N source clock is CLKIN (Si5351C only) | |
56 | */ | |
57 | enum si5351_clkout_src { | |
58 | SI5351_CLKOUT_SRC_DEFAULT = 0, | |
59 | SI5351_CLKOUT_SRC_MSYNTH_N = 1, | |
60 | SI5351_CLKOUT_SRC_MSYNTH_0_4 = 2, | |
61 | SI5351_CLKOUT_SRC_XTAL = 3, | |
62 | SI5351_CLKOUT_SRC_CLKIN = 4, | |
63 | }; | |
64 | ||
65 | /** | |
66 | * enum si5351_drive_strength - Si5351 clock output drive strength | |
67 | * @SI5351_DRIVE_DEFAULT: default, do not change eeprom config | |
68 | * @SI5351_DRIVE_2MA: 2mA clock output drive strength | |
69 | * @SI5351_DRIVE_4MA: 4mA clock output drive strength | |
70 | * @SI5351_DRIVE_6MA: 6mA clock output drive strength | |
71 | * @SI5351_DRIVE_8MA: 8mA clock output drive strength | |
72 | */ | |
73 | enum si5351_drive_strength { | |
74 | SI5351_DRIVE_DEFAULT = 0, | |
75 | SI5351_DRIVE_2MA = 2, | |
76 | SI5351_DRIVE_4MA = 4, | |
77 | SI5351_DRIVE_6MA = 6, | |
78 | SI5351_DRIVE_8MA = 8, | |
79 | }; | |
80 | ||
81 | /** | |
82 | * struct si5351_clkout_config - Si5351 clock output configuration | |
83 | * @clkout: clkout number | |
84 | * @multisynth_src: multisynth source clock | |
85 | * @clkout_src: clkout source clock | |
86 | * @pll_master: if true, clkout can also change pll rate | |
87 | * @drive: output drive strength | |
88 | * @rate: initial clkout rate, or default if 0 | |
89 | */ | |
90 | struct si5351_clkout_config { | |
91 | enum si5351_multisynth_src multisynth_src; | |
92 | enum si5351_clkout_src clkout_src; | |
93 | enum si5351_drive_strength drive; | |
94 | bool pll_master; | |
95 | unsigned long rate; | |
96 | }; | |
97 | ||
98 | /** | |
99 | * struct si5351_platform_data - Platform data for the Si5351 clock driver | |
100 | * @variant: Si5351 chip variant | |
101 | * @clk_xtal: xtal input clock | |
102 | * @clk_clkin: clkin input clock | |
103 | * @pll_src: array of pll source clock setting | |
104 | * @clkout: array of clkout configuration | |
105 | */ | |
106 | struct si5351_platform_data { | |
107 | enum si5351_variant variant; | |
108 | struct clk *clk_xtal; | |
109 | struct clk *clk_clkin; | |
110 | enum si5351_pll_src pll_src[2]; | |
111 | struct si5351_clkout_config clkout[8]; | |
112 | }; | |
113 | ||
114 | #endif |