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[mirror_ubuntu-bionic-kernel.git] / Documentation / devicetree / bindings / mfd / rk808.txt
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WE		 1RK8XX Power Management Integrated Circuit
2
3The rk8xx family current members:
d9e61689 4rk805
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WE		 5rk808
6rk818
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CZ		 7
8Required properties:
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EZ		 9- compatible: "rockchip,rk805"
10- compatible: "rockchip,rk808"
11- compatible: "rockchip,rk818"
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CZ		 12- reg: I2C slave address
13- interrupt-parent: The parent interrupt controller.
14- interrupts: the interrupt outputs of the controller.
15- #clock-cells: from common clock binding; shall be set to 1 (multiple clock
16 outputs). See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
17
18Optional properties:
19- clock-output-names: From common clock binding to override the
20 default output clock name
21- rockchip,system-power-controller: Telling whether or not this pmic is controlling
22 the system power.
71557e50 23
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EZ		 24Optional RK805 properties:
25- vcc1-supply: The input supply for DCDC_REG1
26- vcc2-supply: The input supply for DCDC_REG2
27- vcc3-supply: The input supply for DCDC_REG3
28- vcc4-supply: The input supply for DCDC_REG4
29- vcc5-supply: The input supply for LDO_REG1 and LDO_REG2
30- vcc6-supply: The input supply for LDO_REG3
31
71557e50 32Optional RK808 properties:
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CZ		 33- vcc1-supply: The input supply for DCDC_REG1
34- vcc2-supply: The input supply for DCDC_REG2
35- vcc3-supply: The input supply for DCDC_REG3
36- vcc4-supply: The input supply for DCDC_REG4
37- vcc6-supply: The input supply for LDO_REG1 and LDO_REG2
38- vcc7-supply: The input supply for LDO_REG3 and LDO_REG7
39- vcc8-supply: The input supply for SWITCH_REG1
40- vcc9-supply: The input supply for LDO_REG4 and LDO_REG5
41- vcc10-supply: The input supply for LDO_REG6
42- vcc11-supply: The input supply for LDO_REG8
43- vcc12-supply: The input supply for SWITCH_REG2
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CZ		 44- dvs-gpios: buck1/2 can be controlled by gpio dvs, this is GPIO specifiers
45 for 2 host gpio's used for dvs. The format of the gpio specifier depends in
46 the gpio controller. If DVS GPIOs aren't present, voltage changes will happen
47 very quickly with no slow ramp time.
a53b9a97 48
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WE		 49Optional RK818 properties:
50- vcc1-supply: The input supply for DCDC_REG1
51- vcc2-supply: The input supply for DCDC_REG2
52- vcc3-supply: The input supply for DCDC_REG3
53- vcc4-supply: The input supply for DCDC_REG4
54- boost-supply: The input supply for DCDC_BOOST
55- vcc6-supply: The input supply for LDO_REG1 and LDO_REG2
56- vcc7-supply: The input supply for LDO_REG3, LDO_REG5 and LDO_REG7
57- vcc8-supply: The input supply for LDO_REG4, LDO_REG6 and LDO_REG8
58- vcc9-supply: The input supply for LDO_REG9 and SWITCH_REG
59- h_5v-supply: The input supply for HDMI_SWITCH
60- usb-supply: The input supply for OTG_SWITCH
61
62Regulators: All the regulators of RK8XX to be instantiated shall be
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CZ		 63listed in a child node named 'regulators'. Each regulator is represented
64by a child node of the 'regulators' node.
65
66 regulator-name {
67 /* standard regulator bindings here */
68 };
69
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EZ		 70Following regulators of the RK805 PMIC regulators are supported. Note that
71the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
72number as described in RK805 datasheet.
73
74 - DCDC_REGn
75 - valid values for n are 1 to 4.
76 - LDO_REGn
77 - valid values for n are 1 to 3
78
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CZ		 79Following regulators of the RK808 PMIC block are supported. Note that
80the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
81number as described in RK808 datasheet.
82
83 - DCDC_REGn
84 - valid values for n are 1 to 4.
85 - LDO_REGn
86 - valid values for n are 1 to 8.
87 - SWITCH_REGn
88 - valid values for n are 1 to 2
89
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WE		 90Following regulators of the RK818 PMIC block are supported. Note that
91the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
92number as described in RK818 datasheet.
93
94 - DCDC_REGn
95 - valid values for n are 1 to 4.
96 - LDO_REGn
97 - valid values for n are 1 to 9.
98 - SWITCH_REG
99 - HDMI_SWITCH
100 - OTG_SWITCH
101
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CZ		 102Standard regulator bindings are used inside regulator subnodes. Check
103 Documentation/devicetree/bindings/regulator/regulator.txt
104for more details
105
106Example:
107 rk808: pmic@1b {
108 compatible = "rockchip,rk808";
109 clock-output-names = "xin32k", "rk808-clkout2";
110 interrupt-parent = <&gpio0>;
111 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
112 pinctrl-names = "default";
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CZ		 113 pinctrl-0 = <&pmic_int &dvs_1 &dvs_2>;
114 dvs-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>,
115 <&gpio7 15 GPIO_ACTIVE_HIGH>;
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CZ		 116 reg = <0x1b>;
117 rockchip,system-power-controller;
118 wakeup-source;
119 #clock-cells = <1>;
120
121 vcc8-supply = <&vcc_18>;
122 vcc9-supply = <&vcc_io>;
123 vcc10-supply = <&vcc_io>;
124 vcc12-supply = <&vcc_io>;
125 vddio-supply = <&vccio_pmu>;
126
127 regulators {
128 vdd_cpu: DCDC_REG1 {
129 regulator-always-on;
130 regulator-boot-on;
131 regulator-min-microvolt = <750000>;
132 regulator-max-microvolt = <1300000>;
133 regulator-name = "vdd_arm";
134 };
135
136 vdd_gpu: DCDC_REG2 {
137 regulator-always-on;
138 regulator-boot-on;
139 regulator-min-microvolt = <850000>;
140 regulator-max-microvolt = <1250000>;
141 regulator-name = "vdd_gpu";
142 };
143
144 vcc_ddr: DCDC_REG3 {
145 regulator-always-on;
146 regulator-boot-on;
147 regulator-name = "vcc_ddr";
148 };
149
150 vcc_io: DCDC_REG4 {
151 regulator-always-on;
152 regulator-boot-on;
153 regulator-min-microvolt = <3300000>;
154 regulator-max-microvolt = <3300000>;
155 regulator-name = "vcc_io";
156 };
157
158 vccio_pmu: LDO_REG1 {
159 regulator-always-on;
160 regulator-boot-on;
161 regulator-min-microvolt = <3300000>;
162 regulator-max-microvolt = <3300000>;
163 regulator-name = "vccio_pmu";
164 };
165
166 vcc_tp: LDO_REG2 {
167 regulator-always-on;
168 regulator-boot-on;
169 regulator-min-microvolt = <3300000>;
170 regulator-max-microvolt = <3300000>;
171 regulator-name = "vcc_tp";
172 };
173
174 vdd_10: LDO_REG3 {
175 regulator-always-on;
176 regulator-boot-on;
177 regulator-min-microvolt = <1000000>;
178 regulator-max-microvolt = <1000000>;
179 regulator-name = "vdd_10";
180 };
181
182 vcc18_lcd: LDO_REG4 {
183 regulator-always-on;
184 regulator-boot-on;
185 regulator-min-microvolt = <1800000>;
186 regulator-max-microvolt = <1800000>;
187 regulator-name = "vcc18_lcd";
188 };
189
190 vccio_sd: LDO_REG5 {
191 regulator-always-on;
192 regulator-boot-on;
193 regulator-min-microvolt = <1800000>;
194 regulator-max-microvolt = <3300000>;
195 regulator-name = "vccio_sd";
196 };
197
198 vdd10_lcd: LDO_REG6 {
199 regulator-always-on;
200 regulator-boot-on;
201 regulator-min-microvolt = <1000000>;
202 regulator-max-microvolt = <1000000>;
203 regulator-name = "vdd10_lcd";
204 };
205
206 vcc_18: LDO_REG7 {
207 regulator-always-on;
208 regulator-boot-on;
209 regulator-min-microvolt = <1800000>;
210 regulator-max-microvolt = <1800000>;
211 regulator-name = "vcc_18";
212 };
213
214 vcca_codec: LDO_REG8 {
215 regulator-always-on;
216 regulator-boot-on;
217 regulator-min-microvolt = <3300000>;
218 regulator-max-microvolt = <3300000>;
219 regulator-name = "vcca_codec";
220 };
221
222 vcc_wl: SWITCH_REG1 {
223 regulator-always-on;
224 regulator-boot-on;
225 regulator-name = "vcc_wl";
226 };
227
228 vcc_lcd: SWITCH_REG2 {
229 regulator-always-on;
230 regulator-boot-on;
231 regulator-name = "vcc_lcd";
232 };
233 };
234 };
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