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