1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/st,st-sensors.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics MEMS sensors
description: The STMicroelectronics sensor devices are pretty straight-forward
I2C or SPI devices, all sharing the same device tree descriptions no matter
what type of sensor it is.
Note that whilst this covers many STMicro MEMs sensors, some more complex
IMUs need their own bindings.
The STMicroelectronics sensor devices are pretty straight-forward I2C or
SPI devices, all sharing the same device tree descriptions no matter what
type of sensor it is.
maintainers:
- Denis Ciocca <denis.ciocca@st.com>
- Linus Walleij <linus.walleij@linaro.org>
properties:
compatible:
oneOf:
- description: STMicroelectronics Accelerometers
enum:
- st,h3lis331dl-accel
- st,lis2de12
- st,lis2dw12
- st,lis2hh12
- st,lis2dh12-accel
- st,lis302dl
- st,lis331dl-accel
- st,lis331dlh-accel
- st,lis3de
- st,lis3dh-accel
- st,lis3dhh
- st,lis3l02dq
- st,lis3lv02dl-accel
- st,lng2dm-accel
- st,lsm303agr-accel
- st,lsm303c-accel
- st,lsm303dl-accel
- st,lsm303dlh-accel
- st,lsm303dlhc-accel
- st,lsm303dlm-accel
- st,lsm330-accel
- st,lsm330d-accel
- st,lsm330dl-accel
- st,lsm330dlc-accel
- description: Silan Accelerometers
enum:
- silan,sc7a20
- description: STMicroelectronics Gyroscopes
enum:
- st,l3g4200d-gyro
- st,l3g4is-gyro
- st,l3gd20-gyro
- st,l3gd20h-gyro
- st,lsm330-gyro
- st,lsm330d-gyro
- st,lsm330dl-gyro
- st,lsm330dlc-gyro
- st,lsm9ds0-gyro
- description: STMicroelectronics Magnetometers
enum:
- st,lis2mdl
- st,lis3mdl-magn
- st,lsm303agr-magn
- st,lsm303c-magn
- st,lsm303dlh-magn
- st,lsm303dlhc-magn
- st,lsm303dlm-magn
- st,lsm9ds1-magn
- description: STMicroelectronics Pressure Sensors
enum:
- st,lps001wp-press
- st,lps22df
- st,lps22hb-press
- st,lps22hh
- st,lps25h-press
- st,lps331ap-press
- st,lps33hw
- st,lps35hw
- description: IMUs
enum:
- st,lsm9ds0-imu
- description: Deprecated bindings
enum:
- st,lis302dl-spi
- st,lis3lv02d
deprecated: true
reg:
maxItems: 1
interrupts:
description: interrupt line(s) connected to the DRDY line(s) and/or the
Intertial interrupt lines INT1 and INT2 if these exist. This means up to
three interrupts, and the DRDY must be the first one if it exists on
the package. The trigger edge of the interrupts is sometimes software
configurable in the hardware so the operating system should parse this
flag and set up the trigger edge as indicated in the device tree.
minItems: 1
maxItems: 2
vdd-supply: true
vddio-supply: true
st,drdy-int-pin:
description: the pin on the package that will be used to signal
"data ready" (valid values 1 or 2). This property is not configurable
on all sensors.
$ref: /schemas/types.yaml#/definitions/uint32
enum: [1, 2]
drive-open-drain:
$ref: /schemas/types.yaml#/definitions/flag
description: the interrupt/data ready line will be configured
as open drain, which is useful if several sensors share the same
interrupt line. (This binding is taken from pinctrl.)
mount-matrix:
description: an optional 3x3 mounting rotation matrix.
allOf:
- if:
properties:
compatible:
enum:
# These have no interrupts
- st,lps001wp
then:
properties:
interrupts: false
st,drdy-int-pin: false
drive-open-drain: false
- if:
properties:
compatible:
enum:
# These have only DRDY
- st,lis2mdl
- st,lis3l02dq
- st,lis3lv02dl-accel
- st,lps22df
- st,lps22hb-press
- st,lps22hh
- st,lps25h-press
- st,lps33hw
- st,lps35hw
- st,lsm303agr-magn
- st,lsm303dlh-magn
- st,lsm303dlhc-magn
- st,lsm303dlm-magn
then:
properties:
interrupts:
maxItems: 1
st,drdy-int-pin: false
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
accelerometer@1c {
compatible = "st,lis331dl-accel";
reg = <0x1c>;
st,drdy-int-pin = <1>;
vdd-supply = <&ldo1>;
vddio-supply = <&ldo2>;
interrupt-parent = <&gpio>;
interrupts = <18 IRQ_TYPE_EDGE_RISING>, <19 IRQ_TYPE_EDGE_RISING>;
};
};
spi {
#address-cells = <1>;
#size-cells = <0>;
num-cs = <1>;
l3g4200d: gyroscope@0 {
compatible = "st,l3g4200d-gyro";
st,drdy-int-pin = <2>;
reg = <0>;
vdd-supply = <&vcc_io>;
vddio-supply = <&vcc_io>;
};
};
...
|
