diff options
Diffstat (limited to 'include/linux/platform_data/ad5755.h')
-rw-r--r-- | include/linux/platform_data/ad5755.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/include/linux/platform_data/ad5755.h b/include/linux/platform_data/ad5755.h new file mode 100644 index 000000000000..a5a1cb751874 --- /dev/null +++ b/include/linux/platform_data/ad5755.h | |||
@@ -0,0 +1,103 @@ | |||
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 | ||