xref: /linux/Documentation/devicetree/bindings/mfd/rockchip,rk817.yaml (revision 4b660dbd9ee2059850fd30e0df420ca7a38a1856)
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mfd/rockchip,rk817.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: RK817 Power Management Integrated Circuit
8
9maintainers:
10  - Chris Zhong <zyw@rock-chips.com>
11  - Zhang Qing <zhangqing@rock-chips.com>
12
13description: |
14  Rockchip RK817 series PMIC. This device consists of an i2c controlled MFD
15  that includes regulators, an RTC, a power button, an audio codec, and a
16  battery charger manager.
17
18properties:
19  compatible:
20    enum:
21      - rockchip,rk817
22
23  reg:
24    maxItems: 1
25
26  interrupts:
27    maxItems: 1
28
29  '#clock-cells':
30    description:
31      See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
32    minimum: 0
33    maximum: 1
34
35  clock-output-names:
36    description:
37      From common clock binding to override the default output clock name.
38
39  rockchip,system-power-controller:
40    type: boolean
41    deprecated: true
42    description:
43      Telling whether or not this PMIC is controlling the system power.
44
45  system-power-controller: true
46
47  wakeup-source:
48    type: boolean
49    description:
50      Device can be used as a wakeup source.
51
52  vcc1-supply:
53    description:
54      The input supply for DCDC_REG1.
55
56  vcc2-supply:
57    description:
58      The input supply for DCDC_REG2.
59
60  vcc3-supply:
61    description:
62      The input supply for DCDC_REG3.
63
64  vcc4-supply:
65    description:
66      The input supply for DCDC_REG4.
67
68  vcc5-supply:
69    description:
70      The input supply for LDO_REG1, LDO_REG2, and LDO_REG3.
71
72  vcc6-supply:
73    description:
74      The input supply for LDO_REG4, LDO_REG5, and LDO_REG6.
75
76  vcc7-supply:
77    description:
78      The input supply for LDO_REG7, LDO_REG8, and LDO_REG9.
79
80  vcc8-supply:
81    description:
82      The input supply for BOOST.
83
84  vcc9-supply:
85    description:
86      The input supply for OTG_SWITCH.
87
88  regulators:
89    type: object
90    patternProperties:
91      "^(LDO_REG[1-9]|DCDC_REG[1-4]|BOOST|OTG_SWITCH)$":
92        type: object
93        unevaluatedProperties: false
94        $ref: ../regulator/regulator.yaml#
95    unevaluatedProperties: false
96
97  clocks:
98    description:
99      The input clock for the audio codec.
100
101  clock-names:
102    description:
103      The clock name for the codec clock.
104    items:
105      - const: mclk
106
107  '#sound-dai-cells':
108    description:
109      Needed for the interpretation of sound dais.
110    const: 0
111
112  codec:
113    description: |
114      The child node for the codec to hold additional properties. If no
115      additional properties are required for the codec, this node can be
116      omitted.
117    type: object
118    additionalProperties: false
119    properties:
120      rockchip,mic-in-differential:
121        type: boolean
122        description:
123          Describes if the microphone uses differential mode.
124
125  charger:
126    description: |
127      The child node for the charger to hold additional properties. If a
128      battery is not in use, this node can be omitted.
129    type: object
130    $ref: /schemas/power/supply/power-supply.yaml
131
132    properties:
133      monitored-battery:
134        description: |
135          A phandle to a monitored battery node that contains a valid
136          value for:
137          charge-full-design-microamp-hours,
138          charge-term-current-microamp,
139          constant-charge-current-max-microamp,
140          constant-charge-voltage-max-microvolt,
141          voltage-max-design-microvolt,
142          voltage-min-design-microvolt,
143          and a valid ocv-capacity table.
144
145      rockchip,resistor-sense-micro-ohms:
146        description: |
147          Value in microohms of the battery sense resistor. This value is
148          used by the driver to set the correct divisor value to translate
149          ADC readings into the proper units of measure.
150        enum: [10000, 20000]
151
152      rockchip,sleep-enter-current-microamp:
153        description: |
154          Value in microamps of the sleep enter current for the charger.
155          Value is used by the driver to calibrate the relax threshold.
156
157      rockchip,sleep-filter-current-microamp:
158        description:
159          Value in microamps of the sleep filter current for the charger.
160          Value is used by the driver to derive the sleep sample current.
161
162    required:
163      - monitored-battery
164      - rockchip,resistor-sense-micro-ohms
165      - rockchip,sleep-enter-current-microamp
166      - rockchip,sleep-filter-current-microamp
167
168    additionalProperties: false
169
170allOf:
171  - if:
172      properties:
173        '#clock-cells':
174          const: 0
175
176    then:
177      properties:
178        clock-output-names:
179          maxItems: 1
180
181    else:
182      properties:
183        clock-output-names:
184          maxItems: 2
185
186required:
187  - compatible
188  - reg
189  - interrupts
190  - "#clock-cells"
191
192additionalProperties: false
193
194examples:
195  - |
196    #include <dt-bindings/clock/px30-cru.h>
197    #include <dt-bindings/pinctrl/rockchip.h>
198    #include <dt-bindings/interrupt-controller/irq.h>
199    #include <dt-bindings/gpio/gpio.h>
200    i2c {
201        #address-cells = <1>;
202        #size-cells = <0>;
203
204        rk817: pmic@20 {
205            compatible = "rockchip,rk817";
206            reg = <0x20>;
207            interrupt-parent = <&gpio0>;
208            interrupts = <RK_PB2 IRQ_TYPE_LEVEL_LOW>;
209            clock-output-names = "rk808-clkout1", "xin32k";
210            clock-names = "mclk";
211            clocks = <&cru SCLK_I2S1_OUT>;
212            pinctrl-names = "default";
213            pinctrl-0 = <&pmic_int>, <&i2s1_2ch_mclk>;
214            wakeup-source;
215            #clock-cells = <1>;
216            #sound-dai-cells = <0>;
217
218            vcc1-supply = <&vccsys>;
219            vcc2-supply = <&vccsys>;
220            vcc3-supply = <&vccsys>;
221            vcc4-supply = <&vccsys>;
222            vcc5-supply = <&vccsys>;
223            vcc6-supply = <&vccsys>;
224            vcc7-supply = <&vccsys>;
225
226            regulators {
227                vdd_logic: DCDC_REG1 {
228                    regulator-name = "vdd_logic";
229                    regulator-min-microvolt = <950000>;
230                    regulator-max-microvolt = <1150000>;
231                    regulator-ramp-delay = <6001>;
232                    regulator-always-on;
233                    regulator-boot-on;
234
235                    regulator-state-mem {
236                        regulator-on-in-suspend;
237                        regulator-suspend-microvolt = <950000>;
238                    };
239                };
240
241                vdd_arm: DCDC_REG2 {
242                    regulator-name = "vdd_arm";
243                    regulator-min-microvolt = <950000>;
244                    regulator-max-microvolt = <1350000>;
245                    regulator-ramp-delay = <6001>;
246                    regulator-always-on;
247                    regulator-boot-on;
248
249                    regulator-state-mem {
250                        regulator-off-in-suspend;
251                        regulator-suspend-microvolt = <950000>;
252                    };
253                };
254
255                vcc_ddr: DCDC_REG3 {
256                    regulator-name = "vcc_ddr";
257                    regulator-always-on;
258                    regulator-boot-on;
259
260                    regulator-state-mem {
261                        regulator-on-in-suspend;
262                    };
263                };
264
265                vcc_3v3: DCDC_REG4 {
266                    regulator-name = "vcc_3v3";
267                    regulator-min-microvolt = <3300000>;
268                    regulator-max-microvolt = <3300000>;
269                    regulator-always-on;
270                    regulator-boot-on;
271
272                    regulator-state-mem {
273                        regulator-off-in-suspend;
274                        regulator-suspend-microvolt = <3300000>;
275                    };
276                };
277
278                vcc_1v8: LDO_REG2 {
279                    regulator-name = "vcc_1v8";
280                    regulator-min-microvolt = <1800000>;
281                    regulator-max-microvolt = <1800000>;
282                    regulator-always-on;
283                    regulator-boot-on;
284
285                    regulator-state-mem {
286                        regulator-on-in-suspend;
287                        regulator-suspend-microvolt = <1800000>;
288                    };
289                };
290
291                vdd_1v0: LDO_REG3 {
292                    regulator-name = "vdd_1v0";
293                    regulator-min-microvolt = <1000000>;
294                    regulator-max-microvolt = <1000000>;
295                    regulator-always-on;
296                    regulator-boot-on;
297
298                    regulator-state-mem {
299                        regulator-on-in-suspend;
300                        regulator-suspend-microvolt = <1000000>;
301                    };
302                };
303
304                vcc3v3_pmu: LDO_REG4 {
305                    regulator-name = "vcc3v3_pmu";
306                    regulator-min-microvolt = <3300000>;
307                    regulator-max-microvolt = <3300000>;
308                    regulator-always-on;
309                    regulator-boot-on;
310
311                    regulator-state-mem {
312                        regulator-on-in-suspend;
313                        regulator-suspend-microvolt = <3300000>;
314                    };
315                };
316
317                vccio_sd: LDO_REG5 {
318                    regulator-name = "vccio_sd";
319                    regulator-min-microvolt = <1800000>;
320                    regulator-max-microvolt = <3300000>;
321                    regulator-always-on;
322                    regulator-boot-on;
323
324                    regulator-state-mem {
325                        regulator-on-in-suspend;
326                        regulator-suspend-microvolt = <3300000>;
327                    };
328                };
329
330                vcc_sd: LDO_REG6 {
331                    regulator-name = "vcc_sd";
332                    regulator-min-microvolt = <3300000>;
333                    regulator-max-microvolt = <3300000>;
334                    regulator-boot-on;
335
336                    regulator-state-mem {
337                        regulator-on-in-suspend;
338                        regulator-suspend-microvolt = <3300000>;
339                    };
340                };
341
342                vcc_bl: LDO_REG7 {
343                    regulator-name = "vcc_bl";
344                    regulator-min-microvolt = <3300000>;
345                    regulator-max-microvolt = <3300000>;
346
347                    regulator-state-mem {
348                        regulator-off-in-suspend;
349                        regulator-suspend-microvolt = <3300000>;
350                    };
351                };
352
353                vcc_lcd: LDO_REG8 {
354                    regulator-name = "vcc_lcd";
355                    regulator-min-microvolt = <2800000>;
356                    regulator-max-microvolt = <2800000>;
357
358                    regulator-state-mem {
359                        regulator-off-in-suspend;
360                        regulator-suspend-microvolt = <2800000>;
361                    };
362                };
363
364                vcc_cam: LDO_REG9 {
365                    regulator-name = "vcc_cam";
366                    regulator-min-microvolt = <3000000>;
367                    regulator-max-microvolt = <3000000>;
368
369                    regulator-state-mem {
370                        regulator-off-in-suspend;
371                        regulator-suspend-microvolt = <3000000>;
372                    };
373                };
374            };
375
376            rk817_charger: charger {
377                monitored-battery = <&battery>;
378                rockchip,resistor-sense-micro-ohms = <10000>;
379                rockchip,sleep-enter-current-microamp = <300000>;
380                rockchip,sleep-filter-current-microamp = <100000>;
381            };
382
383            rk817_codec: codec {
384                rockchip,mic-in-differential;
385            };
386        };
387    };
388