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c499d029 LPC |
1 | /* |
2 | * Copyright 2012 Analog Devices Inc. | |
3 | * | |
4 | * Licensed under the GPL-2. | |
5 | */ | |
6 | #ifndef __LINUX_PLATFORM_DATA_AD5755_H__ | |
7 | #define __LINUX_PLATFORM_DATA_AD5755_H__ | |
8 | ||
9 | enum ad5755_mode { | |
10 | AD5755_MODE_VOLTAGE_0V_5V = 0, | |
11 | AD5755_MODE_VOLTAGE_0V_10V = 1, | |
12 | AD5755_MODE_VOLTAGE_PLUSMINUS_5V = 2, | |
13 | AD5755_MODE_VOLTAGE_PLUSMINUS_10V = 3, | |
14 | AD5755_MODE_CURRENT_4mA_20mA = 4, | |
15 | AD5755_MODE_CURRENT_0mA_20mA = 5, | |
16 | AD5755_MODE_CURRENT_0mA_24mA = 6, | |
17 | }; | |
18 | ||
19 | enum ad5755_dc_dc_phase { | |
20 | AD5755_DC_DC_PHASE_ALL_SAME_EDGE = 0, | |
21 | AD5755_DC_DC_PHASE_A_B_SAME_EDGE_C_D_OPP_EDGE = 1, | |
22 | AD5755_DC_DC_PHASE_A_C_SAME_EDGE_B_D_OPP_EDGE = 2, | |
23 | AD5755_DC_DC_PHASE_90_DEGREE = 3, | |
24 | }; | |
25 | ||
26 | enum ad5755_dc_dc_freq { | |
27 | AD5755_DC_DC_FREQ_250kHZ = 0, | |
28 | AD5755_DC_DC_FREQ_410kHZ = 1, | |
29 | AD5755_DC_DC_FREQ_650kHZ = 2, | |
30 | }; | |
31 | ||
32 | enum ad5755_dc_dc_maxv { | |
33 | AD5755_DC_DC_MAXV_23V = 0, | |
34 | AD5755_DC_DC_MAXV_24V5 = 1, | |
35 | AD5755_DC_DC_MAXV_27V = 2, | |
36 | AD5755_DC_DC_MAXV_29V5 = 3, | |
37 | }; | |
38 | ||
39 | enum ad5755_slew_rate { | |
40 | AD5755_SLEW_RATE_64k = 0, | |
41 | AD5755_SLEW_RATE_32k = 1, | |
42 | AD5755_SLEW_RATE_16k = 2, | |
43 | AD5755_SLEW_RATE_8k = 3, | |
44 | AD5755_SLEW_RATE_4k = 4, | |
45 | AD5755_SLEW_RATE_2k = 5, | |
46 | AD5755_SLEW_RATE_1k = 6, | |
47 | AD5755_SLEW_RATE_500 = 7, | |
48 | AD5755_SLEW_RATE_250 = 8, | |
49 | AD5755_SLEW_RATE_125 = 9, | |
50 | AD5755_SLEW_RATE_64 = 10, | |
51 | AD5755_SLEW_RATE_32 = 11, | |
52 | AD5755_SLEW_RATE_16 = 12, | |
53 | AD5755_SLEW_RATE_8 = 13, | |
54 | AD5755_SLEW_RATE_4 = 14, | |
55 | AD5755_SLEW_RATE_0_5 = 15, | |
56 | }; | |
57 | ||
58 | enum ad5755_slew_step_size { | |
59 | AD5755_SLEW_STEP_SIZE_1 = 0, | |
60 | AD5755_SLEW_STEP_SIZE_2 = 1, | |
61 | AD5755_SLEW_STEP_SIZE_4 = 2, | |
62 | AD5755_SLEW_STEP_SIZE_8 = 3, | |
63 | AD5755_SLEW_STEP_SIZE_16 = 4, | |
64 | AD5755_SLEW_STEP_SIZE_32 = 5, | |
65 | AD5755_SLEW_STEP_SIZE_64 = 6, | |
66 | AD5755_SLEW_STEP_SIZE_128 = 7, | |
67 | AD5755_SLEW_STEP_SIZE_256 = 8, | |
68 | }; | |
69 | ||
70 | /** | |
71 | * struct ad5755_platform_data - AD5755 DAC driver platform data | |
72 | * @ext_dc_dc_compenstation_resistor: Whether an external DC-DC converter | |
73 | * compensation register is used. | |
74 | * @dc_dc_phase: DC-DC converter phase. | |
75 | * @dc_dc_freq: DC-DC converter frequency. | |
76 | * @dc_dc_maxv: DC-DC maximum allowed boost voltage. | |
77 | * @dac.mode: The mode to be used for the DAC output. | |
78 | * @dac.ext_current_sense_resistor: Whether an external current sense resistor | |
79 | * is used. | |
80 | * @dac.enable_voltage_overrange: Whether to enable 20% voltage output overrange. | |
81 | * @dac.slew.enable: Whether to enable digital slew. | |
82 | * @dac.slew.rate: Slew rate of the digital slew. | |
83 | * @dac.slew.step_size: Slew step size of the digital slew. | |
84 | **/ | |
85 | struct ad5755_platform_data { | |
86 | bool ext_dc_dc_compenstation_resistor; | |
87 | enum ad5755_dc_dc_phase dc_dc_phase; | |
88 | enum ad5755_dc_dc_freq dc_dc_freq; | |
89 | enum ad5755_dc_dc_maxv dc_dc_maxv; | |
90 | ||
91 | struct { | |
92 | enum ad5755_mode mode; | |
93 | bool ext_current_sense_resistor; | |
94 | bool enable_voltage_overrange; | |
95 | struct { | |
96 | bool enable; | |
97 | enum ad5755_slew_rate rate; | |
98 | enum ad5755_slew_step_size step_size; | |
99 | } slew; | |
100 | } dac[4]; | |
101 | }; | |
102 | ||
103 | #endif |