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1 | LIS302 accelerometer devicetree bindings | ||
2 | |||
3 | This device is matched via its bus drivers, and has a number of properties | ||
4 | that apply in on the generic device (independent from the bus). | ||
5 | |||
6 | |||
7 | Required properties for the SPI bindings: | ||
8 | - compatible: should be set to "st,lis3lv02d_spi" | ||
9 | - reg: the chipselect index | ||
10 | - spi-max-frequency: maximal bus speed, should be set to 1000000 unless | ||
11 | constrained by external circuitry | ||
12 | - interrupts: the interrupt generated by the device | ||
13 | |||
14 | Required properties for the I2C bindings: | ||
15 | - compatible: should be set to "st,lis3lv02d" | ||
16 | - reg: i2c slave address | ||
17 | - Vdd-supply: The input supply for Vdd | ||
18 | - Vdd_IO-supply: The input supply for Vdd_IO | ||
19 | |||
20 | |||
21 | Optional properties for all bus drivers: | ||
22 | |||
23 | - st,click-single-{x,y,z}: if present, tells the device to issue an | ||
24 | interrupt on single click events on the | ||
25 | x/y/z axis. | ||
26 | - st,click-double-{x,y,z}: if present, tells the device to issue an | ||
27 | interrupt on double click events on the | ||
28 | x/y/z axis. | ||
29 | - st,click-thresh-{x,y,z}: set the x/y/z axis threshold | ||
30 | - st,click-click-time-limit: click time limit, from 0 to 127.5msec | ||
31 | with step of 0.5 msec | ||
32 | - st,click-latency: click latency, from 0 to 255 msec with | ||
33 | step of 1 msec. | ||
34 | - st,click-window: click window, from 0 to 255 msec with | ||
35 | step of 1 msec. | ||
36 | - st,irq{1,2}-disable: disable IRQ 1/2 | ||
37 | - st,irq{1,2}-ff-wu-1: raise IRQ 1/2 on FF_WU_1 condition | ||
38 | - st,irq{1,2}-ff-wu-2: raise IRQ 1/2 on FF_WU_2 condition | ||
39 | - st,irq{1,2}-data-ready: raise IRQ 1/2 on data ready contition | ||
40 | - st,irq{1,2}-click: raise IRQ 1/2 on click condition | ||
41 | - st,irq-open-drain: consider IRQ lines open-drain | ||
42 | - st,irq-active-low: make IRQ lines active low | ||
43 | - st,wu-duration-1: duration register for Free-Fall/Wake-Up | ||
44 | interrupt 1 | ||
45 | - st,wu-duration-2: duration register for Free-Fall/Wake-Up | ||
46 | interrupt 2 | ||
47 | - st,wakeup-{x,y,z}-{lo,hi}: set wakeup condition on x/y/z axis for | ||
48 | upper/lower limit | ||
49 | - st,highpass-cutoff-hz=: 1, 2, 4 or 8 for 1Hz, 2Hz, 4Hz or 8Hz of | ||
50 | highpass cut-off frequency | ||
51 | - st,hipass{1,2}-disable: disable highpass 1/2. | ||
52 | - st,default-rate=: set the default rate | ||
53 | - st,axis-{x,y,z}=: set the axis to map to the three coordinates | ||
54 | - st,{min,max}-limit-{x,y,z} set the min/max limits for x/y/z axis | ||
55 | (used by self-test) | ||
56 | |||
57 | |||
58 | Example for a SPI device node: | ||
59 | |||
60 | lis302@0 { | ||
61 | compatible = "st,lis302dl-spi"; | ||
62 | reg = <0>; | ||
63 | spi-max-frequency = <1000000>; | ||
64 | interrupt-parent = <&gpio>; | ||
65 | interrupts = <104 0>; | ||
66 | |||
67 | st,click-single-x; | ||
68 | st,click-single-y; | ||
69 | st,click-single-z; | ||
70 | st,click-thresh-x = <10>; | ||
71 | st,click-thresh-y = <10>; | ||
72 | st,click-thresh-z = <10>; | ||
73 | st,irq1-click; | ||
74 | st,irq2-click; | ||
75 | st,wakeup-x-lo; | ||
76 | st,wakeup-x-hi; | ||
77 | st,wakeup-y-lo; | ||
78 | st,wakeup-y-hi; | ||
79 | st,wakeup-z-lo; | ||
80 | st,wakeup-z-hi; | ||
81 | }; | ||
82 | |||
83 | Example for a I2C device node: | ||
84 | |||
85 | lis331dlh: lis331dlh@18 { | ||
86 | compatible = "st,lis331dlh", "st,lis3lv02d"; | ||
87 | reg = <0x18>; | ||
88 | Vdd-supply = <&lis3_reg>; | ||
89 | Vdd_IO-supply = <&lis3_reg>; | ||
90 | |||
91 | st,click-single-x; | ||
92 | st,click-single-y; | ||
93 | st,click-single-z; | ||
94 | st,click-thresh-x = <10>; | ||
95 | st,click-thresh-y = <10>; | ||
96 | st,click-thresh-z = <10>; | ||
97 | st,irq1-click; | ||
98 | st,irq2-click; | ||
99 | st,wakeup-x-lo; | ||
100 | st,wakeup-x-hi; | ||
101 | st,wakeup-y-lo; | ||
102 | st,wakeup-y-hi; | ||
103 | st,wakeup-z-lo; | ||
104 | st,wakeup-z-hi; | ||
105 | st,min-limit-x = <120>; | ||
106 | st,min-limit-y = <120>; | ||
107 | st,min-limit-z = <140>; | ||
108 | st,max-limit-x = <550>; | ||
109 | st,max-limit-y = <550>; | ||
110 | st,max-limit-z = <750>; | ||
111 | }; | ||
112 | |||