1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2
3 /dts-v1/;
4 #include <dt-bindings/input/input.h>
5 #include "rk3288-rock2-som.dtsi"
6
7 / {
8 model = "Radxa Rock 2 Square";
9 compatible = "radxa,rock2-square", "rockchip,rk3288";
10
11 chosen {
12 stdout-path = "serial2:115200n8";
13 };
14
15 adc-keys {
16 compatible = "adc-keys";
17 io-channels = <&saradc 1>;
18 io-channel-names = "buttons";
19 keyup-threshold-microvolt = <1800000>;
20
21 button-recovery {
22 label = "Recovery";
23 linux,code = <KEY_VENDOR>;
24 press-threshold-microvolt = <0>;
25 };
26 };
27
28 gpio-keys {
29 compatible = "gpio-keys";
30
31 key-power {
32 gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
33 label = "GPIO Power";
34 linux,code = <KEY_POWER>;
35 pinctrl-names = "default";
36 pinctrl-0 = <&pwr_key>;
37 wakeup-source;
38 };
39 };
40
41 gpio-leds {
42 compatible = "gpio-leds";
43
44 heartbeat_led: led-0 {
45 gpios = <&gpio7 RK_PB7 GPIO_ACTIVE_LOW>;
46 label = "rock2:green:state1";
47 linux,default-trigger = "heartbeat";
48 };
49
50 mmc_led: led-1 {
51 gpios = <&gpio0 RK_PB3 GPIO_ACTIVE_LOW>;
52 label = "rock2:blue:state2";
53 linux,default-trigger = "mmc0";
54 };
55 };
56
57 ir: ir-receiver {
58 compatible = "gpio-ir-receiver";
59 gpios = <&gpio8 RK_PA1 GPIO_ACTIVE_LOW>;
60 pinctrl-names = "default";
61 pinctrl-0 = <&ir_int>;
62 };
63
64 sound {
65 compatible = "simple-audio-card";
66 simple-audio-card,name = "SPDIF";
67 simple-audio-card,dai-link@1 { /* S/PDIF - S/PDIF */
68 cpu { sound-dai = <&spdif>; };
69 codec { sound-dai = <&spdif_out>; };
70 };
71 };
72
73 sata_pwr: sata-prw-regulator {
74 compatible = "regulator-fixed";
75 enable-active-high;
76 gpio = <&gpio0 13 GPIO_ACTIVE_HIGH>;
77 pinctrl-names = "default";
78 pinctrl-0 = <&sata_pwr_en>;
79 /* Always turn on the 5V sata power connector */
80 regulator-always-on;
81 regulator-name = "sata_pwr";
82 };
83
84 spdif_out: spdif-out {
85 compatible = "linux,spdif-dit";
86 #sound-dai-cells = <0>;
87 };
88
89 sound-i2s {
90 compatible = "rockchip,rk3288-hdmi-analog";
91 pinctrl-names = "default";
92 pinctrl-0 = <&phone_ctl>, <&hp_det>;
93 rockchip,audio-codec = <&es8388>;
94 rockchip,hp-det-gpios = <&gpio7 7 GPIO_ACTIVE_HIGH>;
95 rockchip,hp-en-gpios = <&gpio8 0 GPIO_ACTIVE_HIGH>;
96 rockchip,i2s-controller = <&i2s>;
97 rockchip,model = "I2S";
98 rockchip,routing = "Analog", "LOUT2",
99 "Analog", "ROUT2";
100 };
101
102 sdio_pwrseq: sdio-pwrseq {
103 compatible = "mmc-pwrseq-simple";
104 clocks = <&hym8563>;
105 clock-names = "ext_clock";
106 pinctrl-names = "default";
107 pinctrl-0 = <&wifi_enable>;
108 reset-gpios = <&gpio4 RK_PD4 GPIO_ACTIVE_LOW>;
109 };
110
111 vcc_usb_host: vcc-host-regulator {
112 compatible = "regulator-fixed";
113 enable-active-high;
114 gpio = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
115 pinctrl-names = "default";
116 pinctrl-0 = <&host_vbus_drv>;
117 regulator-name = "vcc_host";
118 };
119
120 vcc_sd: sdmmc-regulator {
121 compatible = "regulator-fixed";
122 gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_LOW>;
123 pinctrl-names = "default";
124 pinctrl-0 = <&sdmmc_pwr>;
125 regulator-name = "vcc_sd";
126 regulator-min-microvolt = <3300000>;
127 regulator-max-microvolt = <3300000>;
128 vin-supply = <&vcc_io>;
129 };
130 };
131
132 &sdio0 {
133 bus-width = <4>;
134 cap-sd-highspeed;
135 cap-sdio-irq;
136 mmc-pwrseq = <&sdio_pwrseq>;
137 non-removable;
138 pinctrl-names = "default";
139 pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk &sdio0_int>;
140 vmmc-supply = <&vcc_io>;
141 vqmmc-supply = <&vcc_18>;
142 status = "okay";
143 };
144
145 &sdmmc {
146 bus-width = <4>;
147 cap-mmc-highspeed;
148 cap-sd-highspeed;
149 card-detect-delay = <200>;
150 disable-wp; /* wp not hooked up */
151 pinctrl-names = "default";
152 pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
153 vmmc-supply = <&vcc_sd>;
154 vqmmc-supply = <&vccio_sd>;
155 status = "okay";
156 };
157
158 &gmac {
159 status = "okay";
160 };
161
162 &hdmi {
163 ddc-i2c-bus = <&i2c5>;
164 status = "okay";
165 };
166
167 &i2c0 {
168 hym8563: rtc@51 {
169 compatible = "haoyu,hym8563";
170 reg = <0x51>;
171 #clock-cells = <0>;
172 clock-output-names = "xin32k";
173 interrupt-parent = <&gpio0>;
174 interrupts = <RK_PA4 IRQ_TYPE_EDGE_FALLING>;
175 pinctrl-names = "default";
176 pinctrl-0 = <&pmic_int>;
177
178 };
179 };
180
181 &i2c2 {
182 status = "okay";
183
184 es8388: es8388@10 {
185 compatible = "everest,es8388", "everest,es8328";
186 reg = <0x10>;
187 AVDD-supply = <&vccio_codec>;
188 DVDD-supply = <&vccio_codec>;
189 HPVDD-supply = <&vccio_codec>;
190 PVDD-supply = <&vccio_codec>;
191 clocks = <&cru SCLK_I2S0_OUT>;
192 };
193 };
194
195 &i2c5 {
196 status = "okay";
197 };
198
199 &i2s {
200 status = "okay";
201 };
202
203 &pinctrl {
204 ir {
205 ir_int: ir-int {
206 rockchip,pins = <8 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>;
207 };
208 };
209
210 keys {
211 pwr_key: pwr-key {
212 rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
213 };
214 };
215
216 pmic {
217 pmic_int: pmic-int {
218 rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
219 };
220 };
221
222 headphone {
223 hp_det: hp-det {
224 rockchip,pins = <7 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
225 };
226
227 phone_ctl: phone-ctl {
228 rockchip,pins = <8 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
229 };
230 };
231
232 usb {
233 host_vbus_drv: host-vbus-drv {
234 rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
235 };
236 };
237
238 sata {
239 sata_pwr_en: sata-pwr-en {
240 rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
241 };
242 };
243
244 sdmmc {
245 sdmmc_pwr: sdmmc-pwr {
246 rockchip,pins = <7 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
247 };
248 };
249
250 sdio {
251 wifi_enable: wifi-enable {
252 rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
253 };
254 };
255 };
256
257 &saradc {
258 status = "okay";
259 };
260
261 &spdif {
262 status = "okay";
263 };
264
265 &uart2 {
266 status = "okay";
267 };
268
269 &usbphy {
270 status = "okay";
271 };
272
273 &usbphy1 {
274 vbus-supply = <&vcc_usb_host>;
275 };
276
277 &usb_host0_ehci {
278 status = "okay";
279 };
280
281 &usb_host1 {
282 status = "okay";
283 };
284
285 &usb_otg {
286 status = "okay";
287 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.