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1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2/*
3 * Device Tree Source for the White Hawk CPU board
4 *
5 * Copyright (C) 2022 Renesas Electronics Corp.
6 */
7
8#include "r8a779g0.dtsi"
9
10#include <dt-bindings/gpio/gpio.h>
11#include <dt-bindings/input/input.h>
12#include <dt-bindings/leds/common.h>
13
14/ {
15 model = "Renesas White Hawk CPU board";
16 compatible = "renesas,white-hawk-cpu", "renesas,r8a779g0";
17
18 aliases {
19 ethernet0 = &avb0;
20 serial0 = &hscif0;
21 };
22
23 chosen {
24 bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
25 stdout-path = "serial0:921600n8";
26 };
27
28 keys {
29 compatible = "gpio-keys";
30
31 pinctrl-0 = <&keys_pins>;
32 pinctrl-names = "default";
33
34 key-1 {
35 gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
36 linux,code = <KEY_1>;
37 label = "SW47";
38 wakeup-source;
39 debounce-interval = <20>;
40 };
41
42 key-2 {
43 gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
44 linux,code = <KEY_2>;
45 label = "SW48";
46 wakeup-source;
47 debounce-interval = <20>;
48 };
49
50 key-3 {
51 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
52 linux,code = <KEY_3>;
53 label = "SW49";
54 wakeup-source;
55 debounce-interval = <20>;
56 };
57 };
58
59 leds {
60 compatible = "gpio-leds";
61
62 led-1 {
63 gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>;
64 color = <LED_COLOR_ID_GREEN>;
65 function = LED_FUNCTION_INDICATOR;
66 function-enumerator = <1>;
67 };
68
69 led-2 {
70 gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>;
71 color = <LED_COLOR_ID_GREEN>;
72 function = LED_FUNCTION_INDICATOR;
73 function-enumerator = <2>;
74 };
75
76 led-3 {
77 gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
78 color = <LED_COLOR_ID_GREEN>;
79 function = LED_FUNCTION_INDICATOR;
80 function-enumerator = <3>;
81 };
82 };
83
84 memory@48000000 {
85 device_type = "memory";
86 /* first 128MB is reserved for secure area. */
87 reg = <0x0 0x48000000 0x0 0x78000000>;
88 };
89
90 memory@480000000 {
91 device_type = "memory";
92 reg = <0x4 0x80000000 0x0 0x80000000>;
93 };
94
95 memory@600000000 {
96 device_type = "memory";
97 reg = <0x6 0x00000000 0x1 0x00000000>;
98 };
99
100 mini-dp-con {
101 compatible = "dp-connector";
102 label = "CN5";
103 type = "mini";
104
105 port {
106 mini_dp_con_in: endpoint {
107 remote-endpoint = <&sn65dsi86_out>;
108 };
109 };
110 };
111
112 reg_1p2v: regulator-1p2v {
113 compatible = "regulator-fixed";
114 regulator-name = "fixed-1.2V";
115 regulator-min-microvolt = <1200000>;
116 regulator-max-microvolt = <1200000>;
117 regulator-boot-on;
118 regulator-always-on;
119 };
120
121 reg_1p8v: regulator-1p8v {
122 compatible = "regulator-fixed";
123 regulator-name = "fixed-1.8V";
124 regulator-min-microvolt = <1800000>;
125 regulator-max-microvolt = <1800000>;
126 regulator-boot-on;
127 regulator-always-on;
128 };
129
130 reg_3p3v: regulator-3p3v {
131 compatible = "regulator-fixed";
132 regulator-name = "fixed-3.3V";
133 regulator-min-microvolt = <3300000>;
134 regulator-max-microvolt = <3300000>;
135 regulator-boot-on;
136 regulator-always-on;
137 };
138
139 sn65dsi86_refclk: clk-x6 {
140 compatible = "fixed-clock";
141 #clock-cells = <0>;
142 clock-frequency = <38400000>;
143 };
144};
145
146&avb0 {
147 pinctrl-0 = <&avb0_pins>;
148 pinctrl-names = "default";
149 phy-handle = <&phy0>;
150 tx-internal-delay-ps = <2000>;
151 status = "okay";
152
153 phy0: ethernet-phy@0 {
154 compatible = "ethernet-phy-id0022.1622",
155 "ethernet-phy-ieee802.3-c22";
156 rxc-skew-ps = <1500>;
157 reg = <0>;
158 interrupt-parent = <&gpio7>;
159 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
160 reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>;
161 };
162};
163
164&dsi0 {
165 status = "okay";
166
167 ports {
168 port@1 {
169 dsi0_out: endpoint {
170 remote-endpoint = <&sn65dsi86_in>;
171 data-lanes = <1 2 3 4>;
172 };
173 };
174 };
175};
176
177&du {
178 status = "okay";
179};
180
181&extal_clk {
182 clock-frequency = <16666666>;
183};
184
185&extalr_clk {
186 clock-frequency = <32768>;
187};
188
189&hscif0 {
190 pinctrl-0 = <&hscif0_pins>;
191 pinctrl-names = "default";
192
193 status = "okay";
194};
195
196&i2c0 {
197 pinctrl-0 = <&i2c0_pins>;
198 pinctrl-names = "default";
199
200 status = "okay";
201 clock-frequency = <400000>;
202
203 io_expander_a: gpio@20 {
204 compatible = "onnn,pca9654";
205 reg = <0x20>;
206 interrupt-parent = <&gpio0>;
207 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
208 gpio-controller;
209 #gpio-cells = <2>;
210 interrupt-controller;
211 #interrupt-cells = <2>;
212 };
213
214 eeprom@50 {
215 compatible = "rohm,br24g01", "atmel,24c01";
216 label = "cpu-board";
217 reg = <0x50>;
218 pagesize = <8>;
219 };
220};
221
222&i2c1 {
223 pinctrl-0 = <&i2c1_pins>;
224 pinctrl-names = "default";
225
226 status = "okay";
227 clock-frequency = <400000>;
228
229 bridge@2c {
230 compatible = "ti,sn65dsi86";
231 reg = <0x2c>;
232
233 clocks = <&sn65dsi86_refclk>;
234 clock-names = "refclk";
235
236 interrupt-parent = <&intc_ex>;
237 interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
238
239 enable-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
240
241 vccio-supply = <®_1p8v>;
242 vpll-supply = <®_1p8v>;
243 vcca-supply = <®_1p2v>;
244 vcc-supply = <®_1p2v>;
245
246 ports {
247 #address-cells = <1>;
248 #size-cells = <0>;
249
250 port@0 {
251 reg = <0>;
252 sn65dsi86_in: endpoint {
253 remote-endpoint = <&dsi0_out>;
254 };
255 };
256
257 port@1 {
258 reg = <1>;
259 sn65dsi86_out: endpoint {
260 remote-endpoint = <&mini_dp_con_in>;
261 };
262 };
263 };
264 };
265};
266
267&mmc0 {
268 pinctrl-0 = <&mmc_pins>;
269 pinctrl-1 = <&mmc_pins>;
270 pinctrl-names = "default", "state_uhs";
271
272 vmmc-supply = <®_3p3v>;
273 vqmmc-supply = <®_1p8v>;
274 mmc-hs200-1_8v;
275 mmc-hs400-1_8v;
276 bus-width = <8>;
277 no-sd;
278 no-sdio;
279 non-removable;
280 full-pwr-cycle-in-suspend;
281 status = "okay";
282};
283
284&pfc {
285 pinctrl-0 = <&scif_clk_pins>;
286 pinctrl-names = "default";
287
288 avb0_pins: avb0 {
289 mux {
290 groups = "avb0_link", "avb0_mdio", "avb0_rgmii",
291 "avb0_txcrefclk";
292 function = "avb0";
293 };
294
295 pins_mdio {
296 groups = "avb0_mdio";
297 drive-strength = <21>;
298 };
299
300 pins_mii {
301 groups = "avb0_rgmii";
302 drive-strength = <21>;
303 };
304
305 };
306 hscif0_pins: hscif0 {
307 groups = "hscif0_data";
308 function = "hscif0";
309 };
310
311 i2c0_pins: i2c0 {
312 groups = "i2c0";
313 function = "i2c0";
314 };
315
316 i2c1_pins: i2c1 {
317 groups = "i2c1";
318 function = "i2c1";
319 };
320
321 keys_pins: keys {
322 pins = "GP_5_0", "GP_5_1", "GP_5_2";
323 bias-pull-up;
324 };
325
326 mmc_pins: mmc {
327 groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
328 function = "mmc";
329 power-source = <1800>;
330 };
331
332 qspi0_pins: qspi0 {
333 groups = "qspi0_ctrl", "qspi0_data4";
334 function = "qspi0";
335 };
336
337 scif_clk_pins: scif_clk {
338 groups = "scif_clk";
339 function = "scif_clk";
340 };
341};
342
343&rpc {
344 pinctrl-0 = <&qspi0_pins>;
345 pinctrl-names = "default";
346
347 status = "okay";
348
349 flash@0 {
350 compatible = "spansion,s25fs512s", "jedec,spi-nor";
351 reg = <0>;
352 spi-max-frequency = <40000000>;
353 spi-rx-bus-width = <4>;
354
355 partitions {
356 compatible = "fixed-partitions";
357 #address-cells = <1>;
358 #size-cells = <1>;
359
360 boot@0 {
361 reg = <0x0 0x1200000>;
362 read-only;
363 };
364 user@1200000 {
365 reg = <0x1200000 0x2e00000>;
366 };
367 };
368 };
369};
370
371&rwdt {
372 timeout-sec = <60>;
373 status = "okay";
374};
375
376&scif_clk {
377 clock-frequency = <24000000>;
378};