1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2020 MOXA Inc. - https://www.moxa.com/
4 *
5 * Author: Johnson Chen <johnsonch.chen@moxa.com>
6 */
7
8 #include "am33xx.dtsi"
9
10 / {
11
12 cpus {
13 cpu@0 {
14 cpu0-supply = <&vdd1_reg>;
15 };
16 };
17
18 vbat: vbat-regulator {
19 compatible = "regulator-fixed";
20 };
21
22 /* Power supply provides a fixed 3.3V @3A */
23 vmmcsd_fixed: vmmcsd-regulator {
24 compatible = "regulator-fixed";
25 regulator-name = "vmmcsd_fixed";
26 regulator-min-microvolt = <3300000>;
27 regulator-max-microvolt = <3300000>;
28 regulator-boot-on;
29 };
30
31 buttons: push_button {
32 compatible = "gpio-keys";
33 };
34
35 };
36
37 &am33xx_pinmux {
38 pinctrl-names = "default";
39 pinctrl-0 = <&minipcie_pins>;
40
41 minipcie_pins: minipcie-pins {
42 pinctrl-single,pins = <
43 AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_INPUT_PULLDOWN, MUX_MODE7) /* lcd_pclk.gpio2_24 */
44 AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN, PIN_INPUT_PULLDOWN, MUX_MODE7) /* lcd_ac_bias_en.gpio2_25 */
45 AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7) /* lcd_vsync.gpio2_22 Power off PIN*/
46 >;
47 };
48
49 push_button_pins: push-button-pins {
50 pinctrl-single,pins = <
51 AM33XX_PADCONF(AM335X_PIN_MCASP0_AHCLKX, PIN_INPUT_PULLDOWN, MUX_MODE7) /* mcasp0_ahcklx.gpio3_21 */
52 >;
53 };
54
55 i2c0_pins: i2c0-pins {
56 pinctrl-single,pins = <
57 AM33XX_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
58 AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
59 >;
60 };
61
62
63 i2c1_pins: i2c1-pins {
64 pinctrl-single,pins = <
65 AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT_PULLUP, MUX_MODE3) /* uart0_ctsn.i2c1_sda */
66 AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_INPUT_PULLUP, MUX_MODE3) /* uart0_rtsn.i2c1_scl */
67 >;
68 };
69
70 uart0_pins: uart0-pins {
71 pinctrl-single,pins = <
72 AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
73 AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
74 >;
75 };
76
77 uart1_pins: uart1-pins {
78 pinctrl-single,pins = <
79 AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT, MUX_MODE0)
80 AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
81 AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
82 AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT, MUX_MODE0)
83 >;
84 };
85
86 uart2_pins: uart2-pins {
87 pinctrl-single,pins = <
88 AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_INPUT, MUX_MODE6) /* lcd_data14.uart5_ctsn */
89 AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT_PULLDOWN, MUX_MODE6) /* lcd_data15.uart5_rtsn */
90 AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_INPUT_PULLUP, MUX_MODE4) /* lcd_data9.uart5_rxd */
91 AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT, MUX_MODE4) /* lcd_data8.uart5_txd */
92 >;
93 };
94
95 cpsw_default: cpsw-default-pins {
96 pinctrl-single,pins = <
97 /* Slave 1 */
98 AM33XX_PADCONF(AM335X_PIN_MII1_CRS, PIN_INPUT_PULLDOWN, MUX_MODE1)
99 AM33XX_PADCONF(AM335X_PIN_MII1_RX_ER, PIN_INPUT_PULLUP, MUX_MODE1)
100 AM33XX_PADCONF(AM335X_PIN_MII1_TX_EN, PIN_OUTPUT_PULLDOWN, MUX_MODE1)
101 AM33XX_PADCONF(AM335X_PIN_MII1_TXD1, PIN_OUTPUT_PULLDOWN, MUX_MODE1)
102 AM33XX_PADCONF(AM335X_PIN_MII1_TXD0, PIN_OUTPUT_PULLDOWN, MUX_MODE1)
103 AM33XX_PADCONF(AM335X_PIN_MII1_RXD1, PIN_INPUT_PULLUP, MUX_MODE1)
104 AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_INPUT_PULLUP, MUX_MODE1)
105 AM33XX_PADCONF(AM335X_PIN_RMII1_REF_CLK, PIN_INPUT_PULLDOWN, MUX_MODE0)
106
107 /* Slave 2 */
108 AM33XX_PADCONF(AM335X_PIN_GPMC_WAIT0, PIN_INPUT_PULLDOWN, MUX_MODE3) /* rmii2_crs_dv */
109 AM33XX_PADCONF(AM335X_PIN_GPMC_WPN, PIN_INPUT_PULLDOWN, MUX_MODE3) /* rmii2_rxer */
110 AM33XX_PADCONF(AM335X_PIN_GPMC_A0, PIN_OUTPUT_PULLDOWN, MUX_MODE3) /* rmii2_txen */
111 AM33XX_PADCONF(AM335X_PIN_GPMC_A4, PIN_OUTPUT_PULLDOWN, MUX_MODE3) /* rmii2_td1 */
112 AM33XX_PADCONF(AM335X_PIN_GPMC_A5, PIN_OUTPUT_PULLDOWN, MUX_MODE3) /* rmii2_td0 */
113 AM33XX_PADCONF(AM335X_PIN_GPMC_A10, PIN_INPUT_PULLDOWN, MUX_MODE3) /* rmii2_rd1 */
114 AM33XX_PADCONF(AM335X_PIN_GPMC_A11, PIN_INPUT_PULLDOWN, MUX_MODE3) /* rmii2_rd0 */
115 AM33XX_PADCONF(AM335X_PIN_MII1_COL, PIN_INPUT_PULLDOWN, MUX_MODE1) /* rmii2_refclk */
116
117 >;
118 };
119
120 davinci_mdio_default: davinci-mdio-default-pins {
121 pinctrl-single,pins = <
122 /* MDIO */
123 AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
124 AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
125 >;
126 };
127
128 mmc0_pins_default: mmc0-pins {
129 pinctrl-single,pins = <
130 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
131 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
132 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
133 AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
134 AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
135 AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
136 AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKX, PIN_INPUT_PULLUP, MUX_MODE7) /* mcasp0_aclkx.gpio3_14 */
137 AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKR, PIN_INPUT_PULLUP, MUX_MODE7) /* mcasp0_aclkx.gpio3_18 */
138 >;
139 };
140
141 mmc2_pins_default: mmc2-pins {
142 pinctrl-single,pins = <
143 /* eMMC */
144 AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad12.mmc2_dat0 */
145 AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad13.mmc2_dat1 */
146 AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad14.mmc2_dat2 */
147 AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad15.mmc2_dat3 */
148 AM33XX_PADCONF(AM335X_PIN_GPMC_AD8, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad8.mmc2_dat4 */
149 AM33XX_PADCONF(AM335X_PIN_GPMC_AD9, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad9.mmc2_dat5 */
150 AM33XX_PADCONF(AM335X_PIN_GPMC_AD10, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad10.mmc2_dat6 */
151 AM33XX_PADCONF(AM335X_PIN_GPMC_AD11, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_ad11.mmc2_dat7 */
152 AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_csn3.mmc2_cmd */
153 AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE3) /* gpmc_clk.mmc2_clk */
154 >;
155 };
156
157 spi0_pins: spi0-pins {
158 pinctrl-single,pins = <
159 AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
160 AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
161 AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
162 AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
163 >;
164 };
165
166 };
167
168 &uart0 {
169 /* Console */
170 status = "okay";
171 pinctrl-names = "default";
172 pinctrl-0 = <&uart0_pins>;
173 };
174
175 &uart1 {
176 /* UART 1 setting */
177 status = "okay";
178 pinctrl-names = "default";
179 pinctrl-0 = <&uart1_pins>;
180 };
181
182 &uart5 {
183 /* UART 2 setting */
184 status = "okay";
185 pinctrl-names = "default";
186 pinctrl-0 = <&uart2_pins>;
187 };
188
189 &i2c0 {
190 pinctrl-names = "default";
191 pinctrl-0 = <&i2c0_pins>;
192
193 status = "okay";
194 clock-frequency = <400000>;
195
196 tps: tps@2d {
197 compatible = "ti,tps65910";
198 reg = <0x2d>;
199 };
200
201 eeprom: eeprom@50 {
202 compatible = "atmel,24c16";
203 pagesize = <16>;
204 reg = <0x50>;
205 };
206
207 rtc_wdt: rtc_wdt@68 {
208 compatible = "dallas,ds1374";
209 reg = <0x68>;
210 };
211 };
212
213 &i2c1 {
214 pinctrl-names = "default";
215 pinctrl-0 = <&i2c1_pins>;
216
217 status = "okay";
218 clock-frequency = <400000>;
219 gpio_xten: gpio_xten@27 {
220 compatible = "nxp,pca9535";
221 gpio-controller;
222 #gpio-cells = <2>;
223 reg = <0x27>;
224 };
225 };
226
227 &usb0 {
228 dr_mode = "host";
229 };
230
231 &usb1 {
232 dr_mode = "host";
233 };
234
235
236 #include "../../tps65910.dtsi"
237 &tps {
238 vcc1-supply = <&vbat>;
239 vcc2-supply = <&vbat>;
240 vcc3-supply = <&vbat>;
241 vcc4-supply = <&vbat>;
242 vcc5-supply = <&vbat>;
243 vcc6-supply = <&vbat>;
244 vcc7-supply = <&vbat>;
245 vccio-supply = <&vbat>;
246
247 regulators {
248 vrtc_reg: regulator@0 {
249 regulator-always-on;
250 };
251
252 vio_reg: regulator@1 {
253 regulator-always-on;
254 };
255
256 vdd1_reg: regulator@2 {
257 regulator-always-on;
258 };
259
260 vdd2_reg: regulator@3 {
261 regulator-always-on;
262 };
263
264 vdd3_reg: regulator@4 {
265 regulator-always-on;
266 };
267
268 vdig1_reg: regulator@5 {
269 regulator-always-on;
270 };
271
272 vdig2_reg: regulator@6 {
273 regulator-always-on;
274 };
275
276 vpll_reg: regulator@7 {
277 regulator-always-on;
278 };
279
280 vdac_reg: regulator@8 {
281 regulator-always-on;
282 };
283
284 vaux1_reg: regulator@9 {
285 regulator-always-on;
286 };
287
288 vaux2_reg: regulator@10 {
289 regulator-always-on;
290 };
291
292 vaux33_reg: regulator@11 {
293 regulator-always-on;
294 };
295
296 vmmc_reg: regulator@12 {
297 compatible = "regulator-fixed";
298 regulator-name = "vmmc_reg";
299 regulator-min-microvolt = <3300000>;
300 regulator-max-microvolt = <3300000>;
301 regulator-always-on;
302 };
303 };
304 };
305
306 /* Power */
307 &vbat {
308 regulator-name = "vbat";
309 regulator-min-microvolt = <5000000>;
310 regulator-max-microvolt = <5000000>;
311 };
312
313 &mac_sw {
314 pinctrl-names = "default";
315 pinctrl-0 = <&cpsw_default>;
316 status = "okay";
317 };
318
319 &davinci_mdio_sw {
320 pinctrl-names = "default";
321 pinctrl-0 = <&davinci_mdio_default>;
322
323 ethphy0: ethernet-phy@4 {
324 reg = <4>;
325 };
326
327 ethphy1: ethernet-phy@5 {
328 reg = <5>;
329 };
330 };
331
332 &cpsw_port1 {
333 phy-handle = <ðphy0>;
334 phy-mode = "rmii";
335 ti,dual-emac-pvid = <1>;
336 };
337
338 &cpsw_port2 {
339 phy-handle = <ðphy1>;
340 phy-mode = "rmii";
341 ti,dual-emac-pvid = <2>;
342 };
343
344 &sham {
345 status = "okay";
346 };
347
348 &aes {
349 status = "okay";
350 };
351
352 &gpio0_target {
353 ti,no-reset-on-init;
354 };
355
356 &mmc1 {
357 pinctrl-names = "default";
358 vmmc-supply = <&vmmcsd_fixed>;
359 bus-width = <4>;
360 pinctrl-0 = <&mmc0_pins_default>;
361 cd-gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
362 wp-gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
363 status = "okay";
364 };
365
366 &mmc3 {
367 dmas = <&edma_xbar 12 0 1
368 &edma_xbar 13 0 2>;
369 dma-names = "tx", "rx";
370 pinctrl-names = "default";
371 vmmc-supply = <&vmmcsd_fixed>;
372 bus-width = <8>;
373 pinctrl-0 = <&mmc2_pins_default>;
374 ti,non-removable;
375 status = "okay";
376 };
377
378 &buttons {
379 pinctrl-names = "default";
380 pinctrl-0 = <&push_button_pins>;
381
382 button-0 {
383 label = "push_button";
384 linux,code = <0x100>;
385 gpios = <&gpio3 21 GPIO_ACTIVE_LOW>;
386 };
387 };
388
389 /* SPI Busses */
390 &spi0 {
391 status = "okay";
392 pinctrl-names = "default";
393 pinctrl-0 = <&spi0_pins>;
394
395 flash@0 {
396 compatible = "mx25l6405d";
397 spi-max-frequency = <40000000>;
398
399 reg = <0>;
400 spi-cpol;
401 spi-cpha;
402 #address-cells = <1>;
403 #size-cells = <1>;
404
405 /* reg : The partition's offset and size within the mtd bank. */
406 partitions@0 {
407 label = "MLO";
408 reg = <0x0 0x80000>;
409 };
410
411 partitions@1 {
412 label = "U-Boot";
413 reg = <0x80000 0x100000>;
414 };
415
416 partitions@2 {
417 label = "U-Boot Env";
418 reg = <0x180000 0x20000>;
419 };
420 };
421 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.