1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/leds/leds-l 4 $id: http://devicetree.org/schemas/leds/leds-lp55xx.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: TI/National Semiconductor LP55xx and LP 7 title: TI/National Semiconductor LP55xx and LP8501 LED Drivers
8 8
9 maintainers: 9 maintainers:
10 - Jacek Anaszewski <jacek.anaszewski@gmail.co 10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz> 11 - Pavel Machek <pavel@ucw.cz>
12 12
13 description: | 13 description: |
14 Bindings for the TI/National Semiconductor L 14 Bindings for the TI/National Semiconductor LP55xx and LP8501 multi channel
15 LED Drivers. 15 LED Drivers.
16 16
17 For more product information please see the 17 For more product information please see the link below:
18 https://www.ti.com/lit/gpn/lp5521 18 https://www.ti.com/lit/gpn/lp5521
19 https://www.ti.com/lit/gpn/lp5523 19 https://www.ti.com/lit/gpn/lp5523
20 https://www.ti.com/lit/gpn/lp55231 20 https://www.ti.com/lit/gpn/lp55231
21 https://www.ti.com/lit/gpn/lp5562 21 https://www.ti.com/lit/gpn/lp5562
22 https://www.ti.com/lit/gpn/lp8501 22 https://www.ti.com/lit/gpn/lp8501
23 23
24 properties: 24 properties:
25 compatible: 25 compatible:
26 enum: 26 enum:
27 - national,lp5521 27 - national,lp5521
28 - national,lp5523 28 - national,lp5523
29 - ti,lp55231 29 - ti,lp55231
30 - ti,lp5562 30 - ti,lp5562
31 - ti,lp5569 31 - ti,lp5569
32 - ti,lp8501 32 - ti,lp8501
33 33
34 reg: 34 reg:
35 maxItems: 1 35 maxItems: 1
36 description: I2C slave address 36 description: I2C slave address
37 37
38 clock-mode: 38 clock-mode:
39 $ref: /schemas/types.yaml#/definitions/uin 39 $ref: /schemas/types.yaml#/definitions/uint8
40 description: | 40 description: |
41 Input clock mode 41 Input clock mode
42 enum: 42 enum:
43 - 0 # automode 43 - 0 # automode
44 - 1 # internal 44 - 1 # internal
45 - 2 # external 45 - 2 # external
46 46
47 enable-gpios: 47 enable-gpios:
48 maxItems: 1 48 maxItems: 1
49 description: | 49 description: |
50 GPIO attached to the chip's enable pin 50 GPIO attached to the chip's enable pin
51 51
52 label: true 52 label: true
53 53
54 pwr-sel: 54 pwr-sel:
55 $ref: /schemas/types.yaml#/definitions/uin 55 $ref: /schemas/types.yaml#/definitions/uint8
56 description: | 56 description: |
57 LP8501 specific property. Power selectio 57 LP8501 specific property. Power selection for output channels.
58 enum: 58 enum:
59 - 0 # D1~9 are connected to VDD 59 - 0 # D1~9 are connected to VDD
60 - 1 # D1~6 with VDD, D7~9 with VOUT 60 - 1 # D1~6 with VDD, D7~9 with VOUT
61 - 2 # D1~6 with VOUT, D7~9 with VDD 61 - 2 # D1~6 with VOUT, D7~9 with VDD
62 - 3 # D1~9 are connected to VOUT 62 - 3 # D1~9 are connected to VOUT
63 63
64 '#address-cells': 64 '#address-cells':
65 const: 1 65 const: 1
66 66
67 '#size-cells': 67 '#size-cells':
68 const: 0 68 const: 0
69 69
70 ti,charge-pump-mode: 70 ti,charge-pump-mode:
71 description: 71 description:
72 Set the operating mode of the internal c 72 Set the operating mode of the internal charge pump as defined in
73 <dt-bindings/leds/leds-lp55xx.h>. 73 <dt-bindings/leds/leds-lp55xx.h>.
74 $ref: /schemas/types.yaml#/definitions/uin 74 $ref: /schemas/types.yaml#/definitions/uint32
75 default: 3 # auto 75 default: 3 # auto
76 maximum: 3 76 maximum: 3
77 77
78 patternProperties: 78 patternProperties:
79 '^multi-led@[0-8]$': 79 '^multi-led@[0-8]$':
80 type: object 80 type: object
81 $ref: leds-class-multicolor.yaml# 81 $ref: leds-class-multicolor.yaml#
82 unevaluatedProperties: false 82 unevaluatedProperties: false
83 83
84 properties: 84 properties:
85 reg: 85 reg:
86 maximum: 8 86 maximum: 8
87 87
88 '#address-cells': 88 '#address-cells':
89 const: 1 89 const: 1
90 90
91 '#size-cells': 91 '#size-cells':
92 const: 0 92 const: 0
93 93
94 patternProperties: 94 patternProperties:
95 "^led@[0-8]$": 95 "^led@[0-8]$":
96 type: object 96 type: object
97 $ref: common.yaml# 97 $ref: common.yaml#
98 unevaluatedProperties: false 98 unevaluatedProperties: false
99 99
100 properties: 100 properties:
101 led-cur: 101 led-cur:
102 $ref: /schemas/types.yaml#/definit 102 $ref: /schemas/types.yaml#/definitions/uint8
103 description: | 103 description: |
104 Current setting at each LED chan 104 Current setting at each LED channel (mA x10, 0 if LED is not connected)
105 minimum: 0 105 minimum: 0
106 maximum: 255 106 maximum: 255
107 107
108 max-cur: 108 max-cur:
109 $ref: /schemas/types.yaml#/definit 109 $ref: /schemas/types.yaml#/definitions/uint8
110 description: Maximum current at ea 110 description: Maximum current at each LED channel.
111 111
112 reg: 112 reg:
113 maximum: 8 113 maximum: 8
114 114
115 required: 115 required:
116 - reg 116 - reg
117 117
118 "^led@[0-8]$": 118 "^led@[0-8]$":
119 type: object 119 type: object
120 $ref: common.yaml# 120 $ref: common.yaml#
121 unevaluatedProperties: false 121 unevaluatedProperties: false
122 122
123 properties: 123 properties:
124 led-cur: 124 led-cur:
125 $ref: /schemas/types.yaml#/definitions 125 $ref: /schemas/types.yaml#/definitions/uint8
126 description: | 126 description: |
127 Current setting at each LED channel 127 Current setting at each LED channel (mA x10, 0 if LED is not connected)
128 minimum: 0 128 minimum: 0
129 maximum: 255 129 maximum: 255
130 130
131 max-cur: 131 max-cur:
132 $ref: /schemas/types.yaml#/definitions 132 $ref: /schemas/types.yaml#/definitions/uint8
133 description: Maximum current at each L 133 description: Maximum current at each LED channel.
134 134
135 reg: 135 reg:
136 description: | 136 description: |
137 Output channel for the LED. This is 137 Output channel for the LED. This is zero based channel identifier and
138 the data sheet is a one based channe 138 the data sheet is a one based channel identifier.
139 reg value to output to LED output nu 139 reg value to output to LED output number
140 enum: 140 enum:
141 - 0 # LED output D1 141 - 0 # LED output D1
142 - 1 # LED output D2 142 - 1 # LED output D2
143 - 2 # LED output D3 143 - 2 # LED output D3
144 - 3 # LED output D4 144 - 3 # LED output D4
145 - 4 # LED output D5 145 - 4 # LED output D5
146 - 5 # LED output D6 146 - 5 # LED output D6
147 - 6 # LED output D7 147 - 6 # LED output D7
148 - 7 # LED output D8 148 - 7 # LED output D8
149 - 8 # LED output D9 149 - 8 # LED output D9
150 150
151 chan-name: 151 chan-name:
152 $ref: /schemas/types.yaml#/definitions 152 $ref: /schemas/types.yaml#/definitions/string
153 description: name of channel 153 description: name of channel
154 154
155 if: 155 if:
156 not: 156 not:
157 properties: 157 properties:
158 compatible: 158 compatible:
159 contains: 159 contains:
160 const: ti,lp8501 160 const: ti,lp8501
161 then: 161 then:
162 properties: 162 properties:
163 pwr-sel: false 163 pwr-sel: false
164 164
165 required: 165 required:
166 - compatible 166 - compatible
167 - reg 167 - reg
168 168
169 additionalProperties: false 169 additionalProperties: false
170 170
171 examples: 171 examples:
172 - | 172 - |
173 #include <dt-bindings/leds/common.h> 173 #include <dt-bindings/leds/common.h>
174 #include <dt-bindings/leds/leds-lp55xx.h> 174 #include <dt-bindings/leds/leds-lp55xx.h>
175 175
176 i2c { 176 i2c {
177 #address-cells = <1>; 177 #address-cells = <1>;
178 #size-cells = <0>; 178 #size-cells = <0>;
179 179
180 led-controller@32 { 180 led-controller@32 {
181 #address-cells = <1>; 181 #address-cells = <1>;
182 #size-cells = <0>; 182 #size-cells = <0>;
183 compatible = "ti,lp8501"; 183 compatible = "ti,lp8501";
184 reg = <0x32>; 184 reg = <0x32>;
185 clock-mode = /bits/ 8 <2>; 185 clock-mode = /bits/ 8 <2>;
186 pwr-sel = /bits/ 8 <3>; /* D1~ 186 pwr-sel = /bits/ 8 <3>; /* D1~9 connected to VOUT */
187 ti,charge-pump-mode = <LP55XX_CP_B 187 ti,charge-pump-mode = <LP55XX_CP_BYPASS>;
188 188
189 led@0 { 189 led@0 {
190 reg = <0>; 190 reg = <0>;
191 chan-name = "d1"; 191 chan-name = "d1";
192 led-cur = /bits/ 8 <0x14>; 192 led-cur = /bits/ 8 <0x14>;
193 max-cur = /bits/ 8 <0x20>; 193 max-cur = /bits/ 8 <0x20>;
194 }; 194 };
195 195
196 led@1 { 196 led@1 {
197 reg = <1>; 197 reg = <1>;
198 chan-name = "d2"; 198 chan-name = "d2";
199 led-cur = /bits/ 8 <0x14>; 199 led-cur = /bits/ 8 <0x14>;
200 max-cur = /bits/ 8 <0x20>; 200 max-cur = /bits/ 8 <0x20>;
201 }; 201 };
202 202
203 led@2 { 203 led@2 {
204 reg = <2>; 204 reg = <2>;
205 chan-name = "d3"; 205 chan-name = "d3";
206 led-cur = /bits/ 8 <0x14>; 206 led-cur = /bits/ 8 <0x14>;
207 max-cur = /bits/ 8 <0x20>; 207 max-cur = /bits/ 8 <0x20>;
208 }; 208 };
209 209
210 led@3 { 210 led@3 {
211 reg = <3>; 211 reg = <3>;
212 chan-name = "d4"; 212 chan-name = "d4";
213 led-cur = /bits/ 8 <0x14>; 213 led-cur = /bits/ 8 <0x14>;
214 max-cur = /bits/ 8 <0x20>; 214 max-cur = /bits/ 8 <0x20>;
215 }; 215 };
216 216
217 led@4 { 217 led@4 {
218 reg = <4>; 218 reg = <4>;
219 chan-name = "d5"; 219 chan-name = "d5";
220 led-cur = /bits/ 8 <0x14>; 220 led-cur = /bits/ 8 <0x14>;
221 max-cur = /bits/ 8 <0x20>; 221 max-cur = /bits/ 8 <0x20>;
222 }; 222 };
223 223
224 led@5 { 224 led@5 {
225 reg = <5>; 225 reg = <5>;
226 chan-name = "d6"; 226 chan-name = "d6";
227 led-cur = /bits/ 8 <0x14>; 227 led-cur = /bits/ 8 <0x14>;
228 max-cur = /bits/ 8 <0x20>; 228 max-cur = /bits/ 8 <0x20>;
229 }; 229 };
230 230
231 led@6 { 231 led@6 {
232 reg = <6>; 232 reg = <6>;
233 chan-name = "d7"; 233 chan-name = "d7";
234 led-cur = /bits/ 8 <0x14>; 234 led-cur = /bits/ 8 <0x14>;
235 max-cur = /bits/ 8 <0x20>; 235 max-cur = /bits/ 8 <0x20>;
236 }; 236 };
237 237
238 led@7 { 238 led@7 {
239 reg = <7>; 239 reg = <7>;
240 chan-name = "d8"; 240 chan-name = "d8";
241 led-cur = /bits/ 8 <0x14>; 241 led-cur = /bits/ 8 <0x14>;
242 max-cur = /bits/ 8 <0x20>; 242 max-cur = /bits/ 8 <0x20>;
243 }; 243 };
244 244
245 led@8 { 245 led@8 {
246 reg = <8>; 246 reg = <8>;
247 chan-name = "d9"; 247 chan-name = "d9";
248 led-cur = /bits/ 8 <0x14>; 248 led-cur = /bits/ 8 <0x14>;
249 max-cur = /bits/ 8 <0x20>; 249 max-cur = /bits/ 8 <0x20>;
250 }; 250 };
251 }; 251 };
252 252
253 led-controller@33 { 253 led-controller@33 {
254 #address-cells = <1>; 254 #address-cells = <1>;
255 #size-cells = <0>; 255 #size-cells = <0>;
256 compatible = "national,lp5523"; 256 compatible = "national,lp5523";
257 reg = <0x33>; 257 reg = <0x33>;
258 clock-mode = /bits/ 8 <0>; 258 clock-mode = /bits/ 8 <0>;
259 259
260 multi-led@2 { 260 multi-led@2 {
261 #address-cells = <1>; 261 #address-cells = <1>;
262 #size-cells = <0>; 262 #size-cells = <0>;
263 reg = <0x2>; 263 reg = <0x2>;
264 color = <LED_COLOR_ID_RGB>; 264 color = <LED_COLOR_ID_RGB>;
265 function = LED_FUNCTION_STANDB 265 function = LED_FUNCTION_STANDBY;
266 linux,default-trigger = "heart 266 linux,default-trigger = "heartbeat";
267 267
268 led@0 { 268 led@0 {
269 led-cur = /bits/ 8 <50>; 269 led-cur = /bits/ 8 <50>;
270 max-cur = /bits/ 8 <100>; 270 max-cur = /bits/ 8 <100>;
271 reg = <0x0>; 271 reg = <0x0>;
272 color = <LED_COLOR_ID_GREE 272 color = <LED_COLOR_ID_GREEN>;
273 }; 273 };
274 274
275 led@1 { 275 led@1 {
276 led-cur = /bits/ 8 <50>; 276 led-cur = /bits/ 8 <50>;
277 max-cur = /bits/ 8 <100>; 277 max-cur = /bits/ 8 <100>;
278 reg = <0x1>; 278 reg = <0x1>;
279 color = <LED_COLOR_ID_BLUE 279 color = <LED_COLOR_ID_BLUE>;
280 }; 280 };
281 281
282 led@6 { 282 led@6 {
283 led-cur = /bits/ 8 <50>; 283 led-cur = /bits/ 8 <50>;
284 max-cur = /bits/ 8 <100>; 284 max-cur = /bits/ 8 <100>;
285 reg = <0x6>; 285 reg = <0x6>;
286 color = <LED_COLOR_ID_RED> 286 color = <LED_COLOR_ID_RED>;
287 }; 287 };
288 }; 288 };
289 }; 289 };
290 }; 290 };
291 291
292 ... 292 ...
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