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
7 title: RK808 Power Management Integrated Circuit
8
9 maintainers:
10 - Chris Zhong <zyw@rock-chips.com>
11 - Zhang Qing <zhangqing@rock-chips.com>
12
13 description: |
14 Rockchip RK808 series PMIC. This device consists of an i2c controlled MFD
15 that includes regulators, an RTC, and a power button.
16
17 properties:
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: /schemas/regulator/regulator.yaml#
113 unevaluatedProperties: false
114 unevaluatedProperties: false
115
116 required:
117 - compatible
118 - reg
119 - interrupts
120 - "#clock-cells"
121
122 additionalProperties: false
123
124 examples:
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 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.