xref: /linux/arch/arm/boot/dts/rockchip/rk3288-evb.dtsi (revision 34dc1baba215b826e454b8d19e4f24adbeb7d00d) 
1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2
3#include <dt-bindings/input/input.h>
4#include <dt-bindings/pwm/pwm.h>
5#include "rk3288.dtsi"
6
7/ {
8	memory@0 {
9		device_type = "memory";
10		reg = <0x0 0x0 0x0 0x80000000>;
11	};
12
13	adc-keys {
14		compatible = "adc-keys";
15		io-channels = <&saradc 1>;
16		io-channel-names = "buttons";
17		keyup-threshold-microvolt = <1800000>;
18
19		button-up {
20			label = "Volume Up";
21			linux,code = <KEY_VOLUMEUP>;
22			press-threshold-microvolt = <100000>;
23		};
24
25		button-down {
26			label = "Volume Down";
27			linux,code = <KEY_VOLUMEDOWN>;
28			press-threshold-microvolt = <300000>;
29		};
30
31		button-menu {
32			label = "Menu";
33			linux,code = <KEY_MENU>;
34			press-threshold-microvolt = <640000>;
35		};
36
37		button-esc {
38			label = "Esc";
39			linux,code = <KEY_ESC>;
40			press-threshold-microvolt = <1000000>;
41		};
42
43		button-home  {
44			label = "Home";
45			linux,code = <KEY_HOME>;
46			press-threshold-microvolt = <1300000>;
47		};
48	};
49
50	backlight: backlight {
51		compatible = "pwm-backlight";
52		brightness-levels = <
53			  0   1   2   3   4   5   6   7
54			  8   9  10  11  12  13  14  15
55			 16  17  18  19  20  21  22  23
56			 24  25  26  27  28  29  30  31
57			 32  33  34  35  36  37  38  39
58			 40  41  42  43  44  45  46  47
59			 48  49  50  51  52  53  54  55
60			 56  57  58  59  60  61  62  63
61			 64  65  66  67  68  69  70  71
62			 72  73  74  75  76  77  78  79
63			 80  81  82  83  84  85  86  87
64			 88  89  90  91  92  93  94  95
65			 96  97  98  99 100 101 102 103
66			104 105 106 107 108 109 110 111
67			112 113 114 115 116 117 118 119
68			120 121 122 123 124 125 126 127
69			128 129 130 131 132 133 134 135
70			136 137 138 139 140 141 142 143
71			144 145 146 147 148 149 150 151
72			152 153 154 155 156 157 158 159
73			160 161 162 163 164 165 166 167
74			168 169 170 171 172 173 174 175
75			176 177 178 179 180 181 182 183
76			184 185 186 187 188 189 190 191
77			192 193 194 195 196 197 198 199
78			200 201 202 203 204 205 206 207
79			208 209 210 211 212 213 214 215
80			216 217 218 219 220 221 222 223
81			224 225 226 227 228 229 230 231
82			232 233 234 235 236 237 238 239
83			240 241 242 243 244 245 246 247
84			248 249 250 251 252 253 254 255>;
85		default-brightness-level = <128>;
86		enable-gpios = <&gpio7 RK_PA2 GPIO_ACTIVE_HIGH>;
87		pinctrl-names = "default";
88		pinctrl-0 = <&bl_en>;
89		pwms = <&pwm0 0 1000000 PWM_POLARITY_INVERTED>;
90	};
91
92	ext_gmac: external-gmac-clock {
93		compatible = "fixed-clock";
94		clock-frequency = <125000000>;
95		clock-output-names = "ext_gmac";
96		#clock-cells = <0>;
97	};
98
99	panel: panel {
100		compatible = "lg,lp079qx1-sp0v";
101		backlight = <&backlight>;
102		enable-gpios = <&gpio7 RK_PA4 GPIO_ACTIVE_HIGH>;
103		pinctrl-0 = <&lcd_cs>;
104
105		ports {
106			panel_in: port {
107				panel_in_edp: endpoint {
108					remote-endpoint = <&edp_out_panel>;
109				};
110			};
111		};
112	};
113
114	gpio-keys {
115		compatible = "gpio-keys";
116		autorepeat;
117
118		pinctrl-names = "default";
119		pinctrl-0 = <&pwrbtn>;
120
121		key-power {
122			gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
123			linux,code = <KEY_POWER>;
124			label = "GPIO Key Power";
125			linux,input-type = <1>;
126			wakeup-source;
127			debounce-interval = <100>;
128		};
129	};
130
131	/* This turns on USB vbus for both host0 (ehci) and host1 (dwc2) */
132	vcc_host: vcc-host-regulator {
133		compatible = "regulator-fixed";
134		enable-active-high;
135		gpio = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
136		pinctrl-names = "default";
137		pinctrl-0 = <&host_vbus_drv>;
138		regulator-name = "vcc_host";
139		regulator-always-on;
140		regulator-boot-on;
141	};
142
143	vcc_phy: vcc-phy-regulator {
144		compatible = "regulator-fixed";
145		enable-active-high;
146		gpio = <&gpio0 RK_PA6 GPIO_ACTIVE_HIGH>;
147		pinctrl-names = "default";
148		pinctrl-0 = <&eth_phy_pwr>;
149		regulator-name = "vcc_phy";
150		regulator-min-microvolt = <3300000>;
151		regulator-max-microvolt = <3300000>;
152		regulator-always-on;
153		regulator-boot-on;
154	};
155
156	vcc_sys: vsys-regulator {
157		compatible = "regulator-fixed";
158		regulator-name = "vcc_sys";
159		regulator-min-microvolt = <5000000>;
160		regulator-max-microvolt = <5000000>;
161		regulator-always-on;
162		regulator-boot-on;
163	};
164
165	/*
166	 * NOTE: vcc_sd isn't hooked up on v1.0 boards where power comes from
167	 * vcc_io directly.  Those boards won't be able to power cycle SD cards
168	 * but it shouldn't hurt to toggle this pin there anyway.
169	 */
170	vcc_sd: sdmmc-regulator {
171		compatible = "regulator-fixed";
172		gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_LOW>;
173		pinctrl-names = "default";
174		pinctrl-0 = <&sdmmc_pwr>;
175		regulator-name = "vcc_sd";
176		regulator-min-microvolt = <3300000>;
177		regulator-max-microvolt = <3300000>;
178		startup-delay-us = <100000>;
179		vin-supply = <&vcc_io>;
180	};
181};
182
183&cpu0 {
184	cpu0-supply = <&vdd_cpu>;
185};
186
187&edp {
188	force-hpd;
189	status = "okay";
190
191	ports {
192		edp_out: port@1 {
193			reg = <1>;
194			#address-cells = <1>;
195			#size-cells = <0>;
196
197			edp_out_panel: endpoint@0 {
198				reg = <0>;
199				remote-endpoint = <&panel_in_edp>;
200			};
201		};
202	};
203};
204
205&edp_phy {
206	status = "okay";
207};
208
209&emmc {
210	bus-width = <8>;
211	cap-mmc-highspeed;
212	disable-wp;
213	non-removable;
214	pinctrl-names = "default";
215	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_pwr &emmc_bus8>;
216	status = "okay";
217};
218
219&saradc {
220	vref-supply = <&vcc_18>;
221	status = "okay";
222};
223
224&sdmmc {
225	bus-width = <4>;
226	cap-mmc-highspeed;
227	cap-sd-highspeed;
228	card-detect-delay = <200>;
229	disable-wp;			/* wp not hooked up */
230	pinctrl-names = "default";
231	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
232	status = "okay";
233	vmmc-supply = <&vcc_sd>;
234	vqmmc-supply = <&vccio_sd>;
235};
236
237&gmac {
238	phy-supply = <&vcc_phy>;
239	phy-mode = "rgmii";
240	clock_in_out = "input";
241	snps,reset-gpio = <&gpio4 RK_PA7 GPIO_ACTIVE_HIGH>;
242	snps,reset-active-low;
243	snps,reset-delays-us = <0 10000 1000000>;
244	assigned-clocks = <&cru SCLK_MAC>;
245	assigned-clock-parents = <&ext_gmac>;
246	pinctrl-names = "default";
247	pinctrl-0 = <&rgmii_pins>;
248	tx_delay = <0x30>;
249	rx_delay = <0x10>;
250	status = "okay";
251};
252
253&gpu {
254	mali-supply = <&vdd_gpu>;
255	status = "okay";
256};
257
258&hdmi {
259	ddc-i2c-bus = <&i2c5>;
260	status = "okay";
261};
262
263&i2c0 {
264	status = "okay";
265};
266
267&i2c5 {
268	status = "okay";
269};
270
271&wdt {
272	status = "okay";
273};
274
275&pwm0 {
276	status = "okay";
277};
278
279&uart0 {
280	status = "okay";
281};
282
283&uart1 {
284	status = "okay";
285};
286
287&uart2 {
288	status = "okay";
289};
290
291&uart3 {
292	status = "okay";
293};
294
295&uart4 {
296	status = "okay";
297};
298
299&tsadc {
300	rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
301	rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
302	status = "okay";
303};
304
305&pinctrl {
306	pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
307		drive-strength = <8>;
308	};
309
310	pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
311		bias-pull-up;
312		drive-strength = <8>;
313	};
314
315	backlight {
316		bl_en: bl-en {
317			rockchip,pins = <7 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
318		};
319	};
320
321	buttons {
322		pwrbtn: pwrbtn {
323			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
324		};
325	};
326
327	lcd {
328		lcd_cs: lcd-cs {
329			rockchip,pins = <7 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
330		};
331	};
332
333	pmic {
334		pmic_int: pmic-int {
335			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
336		};
337	};
338
339	sdmmc {
340		/*
341		 * Default drive strength isn't enough to achieve even
342		 * high-speed mode on EVB board so bump up to 8ma.
343		 */
344		sdmmc_bus4: sdmmc-bus4 {
345			rockchip,pins = <6 RK_PC0 1 &pcfg_pull_up_drv_8ma>,
346					<6 RK_PC1 1 &pcfg_pull_up_drv_8ma>,
347					<6 RK_PC2 1 &pcfg_pull_up_drv_8ma>,
348					<6 RK_PC3 1 &pcfg_pull_up_drv_8ma>;
349		};
350
351		sdmmc_clk: sdmmc-clk {
352			rockchip,pins = <6 RK_PC4 1 &pcfg_pull_none_drv_8ma>;
353		};
354
355		sdmmc_cmd: sdmmc-cmd {
356			rockchip,pins = <6 RK_PC5 1 &pcfg_pull_up_drv_8ma>;
357		};
358
359		sdmmc_pwr: sdmmc-pwr {
360			rockchip,pins = <7 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
361		};
362	};
363
364	usb {
365		host_vbus_drv: host-vbus-drv {
366			rockchip,pins = <0 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
367		};
368	};
369
370	eth_phy {
371		eth_phy_pwr: eth-phy-pwr {
372			rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
373		};
374	};
375};
376
377&usbphy {
378	status = "okay";
379};
380
381&usb_host0_ehci {
382	status = "okay";
383};
384
385&usb_host1 {
386	status = "okay";
387};
388
389&vopb {
390	status = "okay";
391};
392
393&vopb_mmu {
394	status = "okay";
395};
396
397&vopl {
398	status = "okay";
399};
400
401&vopl_mmu {
402	status = "okay";
403};
404