1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mfd/rockchip,rk808.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: RK808 Power Management Integrated Circuit
8
9maintainers:
10  - Chris Zhong <zyw@rock-chips.com>
11  - Zhang Qing <zhangqing@rock-chips.com>
12
13description: |
14  Rockchip RK808 series PMIC. This device consists of an i2c controlled MFD
15  that includes regulators, an RTC, and a power button.
16
17properties:
18  compatible:
19    enum:
20      - rockchip,rk808
21
22  reg:
23    maxItems: 1
24
25  interrupts:
26    maxItems: 1
27
28  '#clock-cells':
29    description:
30      See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
31    const: 1
32
33  clock-output-names:
34    description:
35      From common clock binding to override the default output clock name.
36    maxItems: 2
37
38  rockchip,system-power-controller:
39    type: boolean
40    deprecated: true
41    description:
42      Telling whether or not this PMIC is controlling the system power.
43
44  system-power-controller: true
45
46  wakeup-source:
47    type: boolean
48    description:
49      Device can be used as a wakeup source.
50
51  vcc1-supply:
52    description:
53      The input supply for DCDC_REG1.
54
55  vcc2-supply:
56    description:
57      The input supply for DCDC_REG2.
58
59  vcc3-supply:
60    description:
61      The input supply for DCDC_REG3.
62
63  vcc4-supply:
64    description:
65      The input supply for DCDC_REG4.
66
67  vcc6-supply:
68    description:
69      The input supply for LDO_REG1 and LDO_REG2.
70
71  vcc7-supply:
72    description:
73      The input supply for LDO_REG3 and LDO_REG7.
74
75  vcc8-supply:
76    description:
77      The input supply for SWITCH_REG1.
78
79  vcc9-supply:
80    description:
81      The input supply for LDO_REG4 and LDO_REG5.
82
83  vcc10-supply:
84    description:
85      The input supply for LDO_REG6.
86
87  vcc11-supply:
88    description:
89      The input supply for LDO_REG8.
90
91  vcc12-supply:
92    description:
93      The input supply for SWITCH_REG2.
94
95  vddio-supply:
96    description:
97      The input supply for digital IO.
98
99  dvs-gpios:
100    description: |
101      buck1/2 can be controlled by gpio dvs, this is GPIO specifiers for
102      2 host gpio's used for dvs. The format of the gpio specifier
103      depends in the gpio controller. If DVS GPIOs aren't present,
104      voltage changes will happen very quickly with no slow ramp time.
105    maxItems: 2
106
107  regulators:
108    type: object
109    patternProperties:
110      "^(DCDC_REG[1-4]|LDO_REG[1-8]|SWITCH_REG[1-2])$":
111        type: object
112        $ref: ../regulator/regulator.yaml#
113        unevaluatedProperties: false
114    unevaluatedProperties: false
115
116required:
117  - compatible
118  - reg
119  - interrupts
120  - "#clock-cells"
121
122additionalProperties: false
123
124examples:
125  - |
126    #include <dt-bindings/pinctrl/rockchip.h>
127    #include <dt-bindings/interrupt-controller/irq.h>
128    #include <dt-bindings/gpio/gpio.h>
129    i2c {
130        #address-cells = <1>;
131        #size-cells = <0>;
132
133        rk808: pmic@1b {
134            compatible = "rockchip,rk808";
135            clock-output-names = "xin32k", "rk808-clkout2";
136            interrupt-parent = <&gpio0>;
137            interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
138            pinctrl-names = "default";
139            pinctrl-0 = <&pmic_int &dvs_1 &dvs_2>;
140            dvs-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>,
141                <&gpio7 15 GPIO_ACTIVE_HIGH>;
142            reg = <0x1b>;
143            rockchip,system-power-controller;
144            wakeup-source;
145            #clock-cells = <1>;
146
147            vcc8-supply = <&vcc_18>;
148            vcc9-supply = <&vcc_io>;
149            vcc10-supply = <&vcc_io>;
150            vcc12-supply = <&vcc_io>;
151            vddio-supply = <&vccio_pmu>;
152
153            regulators {
154                vdd_cpu: DCDC_REG1 {
155                    regulator-always-on;
156                    regulator-boot-on;
157                    regulator-min-microvolt = <750000>;
158                    regulator-max-microvolt = <1300000>;
159                    regulator-name = "vdd_arm";
160                };
161
162                vdd_gpu: DCDC_REG2 {
163                    regulator-always-on;
164                    regulator-boot-on;
165                    regulator-min-microvolt = <850000>;
166                    regulator-max-microvolt = <1250000>;
167                    regulator-name = "vdd_gpu";
168                };
169
170                vcc_ddr: DCDC_REG3 {
171                    regulator-always-on;
172                    regulator-boot-on;
173                    regulator-name = "vcc_ddr";
174                };
175
176                vcc_io: DCDC_REG4 {
177                    regulator-always-on;
178                    regulator-boot-on;
179                    regulator-min-microvolt = <3300000>;
180                    regulator-max-microvolt = <3300000>;
181                    regulator-name = "vcc_io";
182                };
183
184                vccio_pmu: LDO_REG1 {
185                    regulator-always-on;
186                    regulator-boot-on;
187                    regulator-min-microvolt = <3300000>;
188                    regulator-max-microvolt = <3300000>;
189                    regulator-name = "vccio_pmu";
190                };
191
192                vcc_tp: LDO_REG2 {
193                    regulator-always-on;
194                    regulator-boot-on;
195                    regulator-min-microvolt = <3300000>;
196                    regulator-max-microvolt = <3300000>;
197                    regulator-name = "vcc_tp";
198                };
199
200                vdd_10: LDO_REG3 {
201                    regulator-always-on;
202                    regulator-boot-on;
203                    regulator-min-microvolt = <1000000>;
204                    regulator-max-microvolt = <1000000>;
205                    regulator-name = "vdd_10";
206                };
207
208                vcc18_lcd: LDO_REG4 {
209                    regulator-always-on;
210                    regulator-boot-on;
211                    regulator-min-microvolt = <1800000>;
212                    regulator-max-microvolt = <1800000>;
213                    regulator-name = "vcc18_lcd";
214                };
215
216                vccio_sd: LDO_REG5 {
217                    regulator-always-on;
218                    regulator-boot-on;
219                    regulator-min-microvolt = <1800000>;
220                    regulator-max-microvolt = <3300000>;
221                    regulator-name = "vccio_sd";
222                };
223
224                vdd10_lcd: LDO_REG6 {
225                    regulator-always-on;
226                    regulator-boot-on;
227                    regulator-min-microvolt = <1000000>;
228                    regulator-max-microvolt = <1000000>;
229                    regulator-name = "vdd10_lcd";
230                };
231
232                vcc_18: LDO_REG7 {
233                    regulator-always-on;
234                    regulator-boot-on;
235                    regulator-min-microvolt = <1800000>;
236                    regulator-max-microvolt = <1800000>;
237                    regulator-name = "vcc_18";
238                };
239
240                vcca_codec: LDO_REG8 {
241                    regulator-always-on;
242                    regulator-boot-on;
243                    regulator-min-microvolt = <3300000>;
244                    regulator-max-microvolt = <3300000>;
245                    regulator-name = "vcca_codec";
246                };
247
248                vcc_wl: SWITCH_REG1 {
249                    regulator-always-on;
250                    regulator-boot-on;
251                    regulator-name = "vcc_wl";
252                };
253
254                vcc_lcd: SWITCH_REG2 {
255                    regulator-always-on;
256                    regulator-boot-on;
257                    regulator-name = "vcc_lcd";
258                };
259            };
260        };
261    };
262