blob: 58e974793a7976b8b345abdca832d4040321c545 (
plain)
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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/leds/leds-lp55xx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI/National Semiconductor LP55xx and LP8501 LED Drivers
maintainers:
- Jacek Anaszewski <jacek.anaszewski@gmail.com>
- Pavel Machek <pavel@ucw.cz>
description: |
Bindings for the TI/National Semiconductor LP55xx and LP8501 multi channel
LED Drivers.
For more product information please see the link below:
https://www.ti.com/lit/gpn/lp5521
https://www.ti.com/lit/gpn/lp5523
https://www.ti.com/lit/gpn/lp55231
https://www.ti.com/lit/gpn/lp5562
https://www.ti.com/lit/gpn/lp8501
properties:
compatible:
enum:
- national,lp5521
- national,lp5523
- ti,lp55231
- ti,lp5562
- ti,lp8501
reg:
maxItems: 1
description: I2C slave address
clock-mode:
$ref: /schemas/types.yaml#definitions/uint8
description: |
Input clock mode
enum:
- 0 # automode
- 1 # internal
- 2 # external
enable-gpio:
maxItems: 1
description: |
GPIO attached to the chip's enable pin
pwr-sel:
$ref: /schemas/types.yaml#definitions/uint8
description: |
LP8501 specific property. Power selection for output channels.
enum:
- 0 # D1~9 are connected to VDD
- 1 # D1~6 with VDD, D7~9 with VOUT
- 2 # D1~6 with VOUT, D7~9 with VDD
- 3 # D1~9 are connected to VOUT
'#address-cells':
const: 1
'#size-cells':
const: 0
patternProperties:
"(^led@[0-9a-f]$|led)":
type: object
$ref: common.yaml#
properties:
led-cur:
$ref: /schemas/types.yaml#definitions/uint8
description: |
Current setting at each LED channel (mA x10, 0 if LED is not connected)
minimum: 0
maximum: 255
max-cur:
$ref: /schemas/types.yaml#definitions/uint8
description: Maximun current at each LED channel.
reg:
description: |
Output channel for the LED. This is zero based channel identifier and
the data sheet is a one based channel identifier.
reg value to output to LED output number
enum:
- 0 # LED output D1
- 1 # LED output D2
- 2 # LED output D3
- 3 # LED output D4
- 4 # LED output D5
- 5 # LED output D6
- 6 # LED output D7
- 7 # LED output D8
- 8 # LED output D9
chan-name:
$ref: /schemas/types.yaml#definitions/string
description: name of channel
required:
- compatible
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/leds/common.h>
i2c {
#address-cells = <1>;
#size-cells = <0>;
led-controller@32 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "ti,lp8501";
reg = <0x32>;
clock-mode = /bits/ 8 <2>;
pwr-sel = /bits/ 8 <3>; /* D1~9 connected to VOUT */
led@0 {
reg = <0>;
chan-name = "d1";
led-cur = /bits/ 8 <0x14>;
max-cur = /bits/ 8 <0x20>;
};
led@1 {
reg = <1>;
chan-name = "d2";
led-cur = /bits/ 8 <0x14>;
max-cur = /bits/ 8 <0x20>;
};
led@2 {
reg = <2>;
chan-name = "d3";
led-cur = /bits/ 8 <0x14>;
max-cur = /bits/ 8 <0x20>;
};
led@3 {
reg = <3>;
chan-name = "d4";
led-cur = /bits/ 8 <0x14>;
max-cur = /bits/ 8 <0x20>;
};
led@4 {
reg = <4>;
chan-name = "d5";
led-cur = /bits/ 8 <0x14>;
max-cur = /bits/ 8 <0x20>;
};
led@5 {
reg = <5>;
chan-name = "d6";
led-cur = /bits/ 8 <0x14>;
max-cur = /bits/ 8 <0x20>;
};
led@6 {
reg = <6>;
chan-name = "d7";
led-cur = /bits/ 8 <0x14>;
max-cur = /bits/ 8 <0x20>;
};
led@7 {
reg = <7>;
chan-name = "d8";
led-cur = /bits/ 8 <0x14>;
max-cur = /bits/ 8 <0x20>;
};
led@8 {
reg = <8>;
chan-name = "d9";
led-cur = /bits/ 8 <0x14>;
max-cur = /bits/ 8 <0x20>;
};
};
led-controller@33 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "national,lp5523";
reg = <0x33>;
clock-mode = /bits/ 8 <0>;
multi-led@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x2>;
color = <LED_COLOR_ID_RGB>;
function = LED_FUNCTION_STANDBY;
linux,default-trigger = "heartbeat";
led@0 {
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
reg = <0x0>;
color = <LED_COLOR_ID_GREEN>;
};
led@1 {
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
reg = <0x1>;
color = <LED_COLOR_ID_BLUE>;
};
led@6 {
led-cur = /bits/ 8 <50>;
max-cur = /bits/ 8 <100>;
reg = <0x6>;
color = <LED_COLOR_ID_RED>;
};
};
};
};
...
|
