1 // SPDX-License-Identifier: (GPL-2.0+ or MIT)
2 // Copyright (C) 2022 Samuel Holland <samuel@sholland.org>
3
4 #include <dt-bindings/gpio/gpio.h>
5
6 /dts-v1/;
7
8 #include "sun20i-d1.dtsi"
9 #include "sun20i-common-regulators.dtsi"
10
11 / {
12 model = "ClockworkPi v3.14 (R-01)";
13 compatible = "clockwork,r-01-clockworkpi-v3.14", "allwinner,sun20i-d1";
14
15 aliases {
16 ethernet0 = &ap6256;
17 serial0 = &uart0;
18 };
19
20 chosen {
21 stdout-path = "serial0:115200n8";
22 };
23
24 /*
25 * This regulator is PWM-controlled, but the PWM controller is not
26 * yet supported, so fix the regulator to its default voltage.
27 */
28 reg_vdd_cpu: vdd-cpu {
29 compatible = "regulator-fixed";
30 regulator-name = "vdd-cpu";
31 regulator-min-microvolt = <1100000>;
32 regulator-max-microvolt = <1100000>;
33 vin-supply = <®_vcc>;
34 };
35
36 wifi_pwrseq: wifi-pwrseq {
37 compatible = "mmc-pwrseq-simple";
38 reset-gpios = <&pio 6 11 GPIO_ACTIVE_LOW>; /* PG11/GPIO3 */
39 };
40 };
41
42 &cpu0 {
43 cpu-supply = <®_vdd_cpu>;
44 };
45
46 &dcxo {
47 clock-frequency = <24000000>;
48 };
49
50 &ehci1 {
51 status = "okay";
52 };
53
54 &i2c0 {
55 pinctrl-0 = <&i2c0_pb10_pins>;
56 pinctrl-names = "default";
57 status = "okay";
58
59 axp221: pmic@34 {
60 compatible = "x-powers,axp228", "x-powers,axp221";
61 reg = <0x34>;
62 interrupt-parent = <&pio>;
63 interrupts = <4 9 IRQ_TYPE_LEVEL_LOW>; /* PE9/GPIO2 */
64 interrupt-controller;
65 #interrupt-cells = <1>;
66
67 ac_power_supply: ac-power {
68 compatible = "x-powers,axp221-ac-power-supply";
69 };
70
71 axp_adc: adc {
72 compatible = "x-powers,axp221-adc";
73 #io-channel-cells = <1>;
74 };
75
76 battery_power_supply: battery-power {
77 compatible = "x-powers,axp221-battery-power-supply";
78 };
79
80 axp_gpio: gpio {
81 compatible = "x-powers,axp221-gpio";
82 gpio-controller;
83 #gpio-cells = <2>;
84 };
85
86 regulators {
87 x-powers,dcdc-freq = <3000>;
88
89 reg_dcdc1: dcdc1 {
90 regulator-name = "sys-3v3";
91 regulator-always-on;
92 regulator-min-microvolt = <3300000>;
93 regulator-max-microvolt = <3300000>;
94 };
95
96 reg_dcdc3: dcdc3 {
97 regulator-name = "sys-1v8";
98 regulator-always-on;
99 regulator-min-microvolt = <1800000>;
100 regulator-max-microvolt = <1800000>;
101 };
102
103 reg_aldo1: aldo1 {
104 regulator-name = "aud-3v3";
105 regulator-min-microvolt = <3300000>;
106 regulator-max-microvolt = <3300000>;
107 };
108
109 reg_aldo2: aldo2 {
110 regulator-name = "disp-3v3";
111 regulator-always-on;
112 regulator-min-microvolt = <3300000>;
113 regulator-max-microvolt = <3300000>;
114 };
115
116 reg_aldo3: aldo3 {
117 regulator-name = "vdd-wifi";
118 regulator-min-microvolt = <1800000>;
119 regulator-max-microvolt = <1800000>;
120 };
121
122 /* DLDO1 and ELDO1-3 are connected in parallel. */
123 reg_dldo1: dldo1 {
124 regulator-name = "vbat-wifi-a";
125 regulator-always-on;
126 regulator-min-microvolt = <3300000>;
127 regulator-max-microvolt = <3300000>;
128 };
129
130 /* DLDO2-DLDO4 are connected in parallel. */
131 reg_dldo2: dldo2 {
132 regulator-name = "vcc-3v3-ext-a";
133 regulator-always-on;
134 regulator-min-microvolt = <3300000>;
135 regulator-max-microvolt = <3300000>;
136 };
137
138 reg_dldo3: dldo3 {
139 regulator-name = "vcc-3v3-ext-b";
140 regulator-always-on;
141 regulator-min-microvolt = <3300000>;
142 regulator-max-microvolt = <3300000>;
143 };
144
145 reg_dldo4: dldo4 {
146 regulator-name = "vcc-3v3-ext-c";
147 regulator-always-on;
148 regulator-min-microvolt = <3300000>;
149 regulator-max-microvolt = <3300000>;
150 };
151
152 reg_eldo1: eldo1 {
153 regulator-name = "vbat-wifi-b";
154 regulator-always-on;
155 regulator-min-microvolt = <3300000>;
156 regulator-max-microvolt = <3300000>;
157 };
158
159 reg_eldo2: eldo2 {
160 regulator-name = "vbat-wifi-c";
161 regulator-always-on;
162 regulator-min-microvolt = <3300000>;
163 regulator-max-microvolt = <3300000>;
164 };
165
166 reg_eldo3: eldo3 {
167 regulator-name = "vbat-wifi-d";
168 regulator-always-on;
169 regulator-min-microvolt = <3300000>;
170 regulator-max-microvolt = <3300000>;
171 };
172 };
173
174 usb_power_supply: usb-power {
175 compatible = "x-powers,axp221-usb-power-supply";
176 status = "disabled";
177 };
178 };
179 };
180
181 &mmc0 {
182 broken-cd;
183 bus-width = <4>;
184 disable-wp;
185 vmmc-supply = <®_dcdc1>;
186 vqmmc-supply = <®_vcc_3v3>;
187 pinctrl-0 = <&mmc0_pins>;
188 pinctrl-names = "default";
189 status = "okay";
190 };
191
192 &mmc1 {
193 bus-width = <4>;
194 mmc-pwrseq = <&wifi_pwrseq>;
195 non-removable;
196 vmmc-supply = <®_dldo1>;
197 vqmmc-supply = <®_aldo3>;
198 pinctrl-0 = <&mmc1_pins>;
199 pinctrl-names = "default";
200 status = "okay";
201
202 ap6256: wifi@1 {
203 compatible = "brcm,bcm43456-fmac", "brcm,bcm4329-fmac";
204 reg = <1>;
205 interrupt-parent = <&pio>;
206 interrupts = <6 10 IRQ_TYPE_LEVEL_LOW>; /* PG10/GPIO4 */
207 interrupt-names = "host-wake";
208 };
209 };
210
211 &ohci1 {
212 status = "okay";
213 };
214
215 &pio {
216 vcc-pg-supply = <®_ldoa>;
217 };
218
219 &uart0 {
220 pinctrl-0 = <&uart0_pb8_pins>;
221 pinctrl-names = "default";
222 status = "okay";
223 };
224
225 &uart1 {
226 uart-has-rtscts;
227 pinctrl-0 = <&uart1_pg6_pins>, <&uart1_pg8_rts_cts_pins>;
228 pinctrl-names = "default";
229 status = "okay";
230
231 bluetooth {
232 compatible = "brcm,bcm4345c5";
233 interrupt-parent = <&pio>;
234 interrupts = <6 17 IRQ_TYPE_LEVEL_HIGH>; /* PG17/GPIO6 */
235 device-wakeup-gpios = <&pio 6 16 GPIO_ACTIVE_HIGH>; /* PG16/GPIO7 */
236 shutdown-gpios = <&pio 6 18 GPIO_ACTIVE_HIGH>; /* PG18/GPIO5 */
237 max-speed = <1500000>;
238 vbat-supply = <®_dldo1>;
239 vddio-supply = <®_aldo3>;
240 };
241 };
242
243 &usb_otg {
244 dr_mode = "peripheral";
245 status = "okay";
246 };
247
248 &usbphy {
249 usb0_vbus_power-supply = <&ac_power_supply>;
250 usb1_vbus-supply = <®_vcc>;
251 status = "okay";
252 };
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