1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2015 CompuLab, Ltd. - https://www.compulab.co.il/
4 */
5
6 /dts-v1/;
7
8 #include <dt-bindings/pinctrl/am43xx.h>
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include "am4372.dtsi"
12
13 / {
14 model = "CompuLab CM-T43";
15 compatible = "compulab,am437x-cm-t43", "ti,am4372", "ti,am43";
16
17 leds {
18 compatible = "gpio-leds";
19
20 ledb {
21 label = "cm-t43:green";
22 gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
23 linux,default-trigger = "heartbeat";
24 };
25 };
26
27 vmmc_3v3: fixedregulator-v3_3 {
28 compatible = "regulator-fixed";
29 regulator-name = "vmmc_3v3";
30 regulator-min-microvolt = <3300000>;
31 regulator-max-microvolt = <3300000>;
32 regulator-always-on;
33 enable-active-high;
34 };
35 };
36
37 &am43xx_pinmux {
38 pinctrl-names = "default";
39 pinctrl-0 = <&cm_t43_led_pins>;
40
41 cm_t43_led_pins: cm-t43-led-pins {
42 pinctrl-single,pins = <
43 AM4372_IOPAD(0xa78, MUX_MODE7)
44 >;
45 };
46
47 i2c0_pins: i2c0-pins {
48 pinctrl-single,pins = <
49 AM4372_IOPAD(0x988, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
50 AM4372_IOPAD(0x98c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
51 >;
52 };
53
54 emmc_pins: emmc-pins {
55 pinctrl-single,pins = <
56 AM4372_IOPAD(0x820, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad8.mmc1_dat0 */
57 AM4372_IOPAD(0x824, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad9.mmc1_dat1 */
58 AM4372_IOPAD(0x828, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad10.mmc1_dat2 */
59 AM4372_IOPAD(0x82c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad11.mmc1_dat3 */
60 AM4372_IOPAD(0x830, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad12.mmc1_dat4 */
61 AM4372_IOPAD(0x834, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad13.mmc1_dat5 */
62 AM4372_IOPAD(0x838, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad14.mmc1_dat6 */
63 AM4372_IOPAD(0x83c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad15.mmc1_dat7 */
64 AM4372_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
65 AM4372_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
66 >;
67 };
68
69 spi0_pins: spi0-pins {
70 pinctrl-single,pins = <
71 AM4372_IOPAD(0x950, PIN_INPUT | MUX_MODE0) /* spi0_sclk.spi0_sclk */
72 AM4372_IOPAD(0x954, PIN_INPUT | MUX_MODE0) /* spi0_d0.spi0_d0 */
73 AM4372_IOPAD(0x958, PIN_OUTPUT | MUX_MODE0) /* spi0_d1.spi0_d1 */
74 AM4372_IOPAD(0x95C, PIN_OUTPUT | MUX_MODE0) /* spi0_cs0.spi0_cs0 */
75 >;
76 };
77
78 nand_flash_x8: nand-flash-x8-pins {
79 pinctrl-single,pins = <
80 AM4372_IOPAD(0x800, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
81 AM4372_IOPAD(0x804, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
82 AM4372_IOPAD(0x808, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
83 AM4372_IOPAD(0x80c, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
84 AM4372_IOPAD(0x810, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
85 AM4372_IOPAD(0x814, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
86 AM4372_IOPAD(0x818, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
87 AM4372_IOPAD(0x81c, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
88 AM4372_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)
89 AM4372_IOPAD(0x874, PIN_OUTPUT_PULLUP | MUX_MODE0)
90 AM4372_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE0)
91 AM4372_IOPAD(0x898, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
92 AM4372_IOPAD(0x894, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
93 AM4372_IOPAD(0x890, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
94 AM4372_IOPAD(0x89c, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
95 >;
96 };
97
98 cpsw_default: cpsw-default-pins {
99 pinctrl-single,pins = <
100 /* Slave 1 */
101 AM4372_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txen.rgmii1_txen */
102 AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxdv.rgmii1_rxctl */
103 AM4372_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_txd3 */
104 AM4372_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_txd2 */
105 AM4372_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_txd1 */
106 AM4372_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_txd0 */
107 AM4372_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txclk.rmii1_tclk */
108 AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxclk.rmii1_rclk */
109 AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd1.rgmii1_rxd3 */
110 AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd0.rgmii1_rxd2 */
111 AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd1.rgmii1_rxd1 */
112 AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd0.rgmii1_rxd0 */
113 AM4372_IOPAD(0xa74, MUX_MODE3)
114 /* Slave 2 */
115 AM4372_IOPAD(0x840, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a0.txen */
116 AM4372_IOPAD(0x844, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a1.rxctl */
117 AM4372_IOPAD(0x848, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a2.txd3 */
118 AM4372_IOPAD(0x84c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a3.txd2 */
119 AM4372_IOPAD(0x850, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a4.txd1 */
120 AM4372_IOPAD(0x854, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a5.txd0 */
121 AM4372_IOPAD(0x858, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a6.tclk */
122 AM4372_IOPAD(0x85c, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a7.rclk */
123 AM4372_IOPAD(0x860, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a8.rxd3 */
124 AM4372_IOPAD(0x864, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a9.rxd2 */
125 AM4372_IOPAD(0x868, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a10.rxd1 */
126 AM4372_IOPAD(0x86c, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a11.rxd0 */
127 AM4372_IOPAD(0xa38, MUX_MODE7)
128 >;
129 };
130
131 davinci_mdio_default: davinci-mdio-default-pins {
132 pinctrl-single,pins = <
133 /* MDIO */
134 AM4372_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
135 AM4372_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */
136 >;
137 };
138 };
139
140 &gpmc {
141 status = "okay";
142 pinctrl-names = "default";
143 pinctrl-0 = <&nand_flash_x8>;
144 ranges = <0 0 0x08000000 0x1000000>;
145 nand@0,0 {
146 compatible = "ti,omap2-nand";
147 reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
148 interrupt-parent = <&gpmc>;
149 interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
150 <1 IRQ_TYPE_NONE>; /* termcount */
151 ti,nand-ecc-opt = "bch8";
152 ti,elm-id = <&elm>;
153
154 nand-bus-width = <8>;
155 gpmc,device-width = <1>;
156 gpmc,sync-clk-ps = <0>;
157 gpmc,cs-on-ns = <0>;
158 gpmc,cs-rd-off-ns = <44>;
159 gpmc,cs-wr-off-ns = <44>;
160 gpmc,adv-on-ns = <6>;
161 gpmc,adv-rd-off-ns = <34>;
162 gpmc,adv-wr-off-ns = <44>;
163 gpmc,we-on-ns = <0>;
164 gpmc,we-off-ns = <40>;
165 gpmc,oe-on-ns = <0>;
166 gpmc,oe-off-ns = <54>;
167 gpmc,access-ns = <64>;
168 gpmc,rd-cycle-ns = <82>;
169 gpmc,wr-cycle-ns = <82>;
170 gpmc,bus-turnaround-ns = <0>;
171 gpmc,cycle2cycle-delay-ns = <0>;
172 gpmc,clk-activation-ns = <0>;
173 gpmc,wr-access-ns = <40>;
174 gpmc,wr-data-mux-bus-ns = <0>;
175
176 #address-cells = <1>;
177 #size-cells = <1>;
178 /* MTD partition table */
179 partition@0 {
180 label = "kernel";
181 reg = <0x0 0x00980000>;
182 };
183 partition@980000 {
184 label = "dtb";
185 reg = <0x00980000 0x00080000>;
186 };
187 partition@a00000 {
188 label = "rootfs";
189 reg = <0x00a00000 0x0>;
190 };
191 };
192 };
193
194 &i2c0 {
195 status = "okay";
196 pinctrl-names = "default";
197 pinctrl-0 = <&i2c0_pins>;
198 clock-frequency = <100000>;
199
200 tps65218: tps65218@24 {
201 compatible = "ti,tps65218";
202 reg = <0x24>;
203 interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; /* NMIn */
204 interrupt-parent = <&gic>;
205 interrupt-controller;
206 #interrupt-cells = <2>;
207
208 dcdc1: regulator-dcdc1 {
209 regulator-name = "vdd_core";
210 regulator-min-microvolt = <912000>;
211 regulator-max-microvolt = <1144000>;
212 regulator-boot-on;
213 regulator-always-on;
214 };
215
216 dcdc2: regulator-dcdc2 {
217 regulator-name = "vdd_mpu";
218 regulator-min-microvolt = <912000>;
219 regulator-max-microvolt = <1378000>;
220 regulator-boot-on;
221 regulator-always-on;
222 };
223
224 dcdc3: regulator-dcdc3 {
225 regulator-name = "vdcdc3";
226 regulator-suspend-enable;
227 regulator-min-microvolt = <1500000>;
228 regulator-max-microvolt = <1500000>;
229 regulator-boot-on;
230 regulator-always-on;
231 };
232
233 dcdc5: regulator-dcdc5 {
234 regulator-name = "v1_0bat";
235 regulator-min-microvolt = <1000000>;
236 regulator-max-microvolt = <1000000>;
237 regulator-boot-on;
238 regulator-always-on;
239 };
240
241 dcdc6: regulator-dcdc6 {
242 regulator-name = "v1_8bat";
243 regulator-min-microvolt = <1800000>;
244 regulator-max-microvolt = <1800000>;
245 regulator-boot-on;
246 regulator-always-on;
247 };
248
249 ldo1: regulator-ldo1 {
250 regulator-min-microvolt = <1800000>;
251 regulator-max-microvolt = <1800000>;
252 regulator-boot-on;
253 regulator-always-on;
254 };
255 };
256
257 eeprom_module: at24@50 {
258 compatible = "atmel,24c02";
259 reg = <0x50>;
260 pagesize = <16>;
261 };
262 };
263
264 &gpio0 {
265 status = "okay";
266 };
267
268 &gpio1 {
269 status = "okay";
270 };
271
272 &gpio2 {
273 status = "okay";
274 };
275
276 &gpio3 {
277 status = "okay";
278 };
279
280 &gpio4 {
281 status = "okay";
282 };
283
284 &gpio5 {
285 status = "okay";
286 };
287
288 &mmc2 {
289 status = "okay";
290 pinctrl-names = "default";
291 pinctrl-0 = <&emmc_pins>;
292 vmmc-supply = <&vmmc_3v3>;
293 bus-width = <8>;
294 non-removable;
295 };
296
297 &spi0 {
298 status = "okay";
299 pinctrl-names = "default";
300 pinctrl-0 = <&spi0_pins>;
301 dmas = <&edma 16 0
302 &edma 17 0>;
303 dma-names = "tx0", "rx0";
304
305 flash: flash@0 {
306 #address-cells = <1>;
307 #size-cells = <1>;
308 compatible = "jedec,spi-nor";
309 reg = <0>;
310 spi-max-frequency = <20000000>;
311 partition@0 {
312 label = "uboot";
313 reg = <0x0 0xc0000>;
314 };
315
316 partition@c0000 {
317 label = "uboot environment";
318 reg = <0xc0000 0x40000>;
319 };
320
321 partition@100000 {
322 label = "reserved";
323 reg = <0x100000 0x100000>;
324 };
325 };
326 };
327
328 &mac_sw {
329 pinctrl-names = "default";
330 pinctrl-0 = <&cpsw_default>;
331 status = "okay";
332 };
333
334 &davinci_mdio_sw {
335 pinctrl-names = "default";
336 pinctrl-0 = <&davinci_mdio_default>;
337
338 ethphy0: ethernet-phy@0 {
339 reg = <0>;
340 };
341
342 ethphy1: ethernet-phy@1 {
343 reg = <1>;
344 };
345 };
346
347 &cpsw_port1 {
348 phy-handle = <ðphy0>;
349 phy-mode = "rgmii-txid";
350 ti,dual-emac-pvid = <1>;
351 };
352
353 &cpsw_port2 {
354 phy-handle = <ðphy1>;
355 phy-mode = "rgmii-txid";
356 ti,dual-emac-pvid = <2>;
357 };
358
359 &dwc3_1 {
360 status = "okay";
361 };
362
363 &usb2_phy1 {
364 status = "okay";
365 };
366
367 &usb1 {
368 dr_mode = "host";
369 status = "okay";
370 };
371
372 &dwc3_2 {
373 status = "okay";
374 };
375
376 &usb2_phy2 {
377 status = "okay";
378 };
379
380 &usb2 {
381 dr_mode = "host";
382 status = "okay";
383 interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
384 <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
385 <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
386 interrupt-names = "peripheral", "host", "otg";
387 };
388
389 &elm {
390 status = "okay";
391 };
392
393 &uart0 {
394 status = "okay";
395 };
396
397 &tscadc {
398 status = "okay";
399 tsc {
400 ti,wires = <4>;
401 ti,x-plate-resistance = <200>;
402 ti,coordinate-readouts = <5>;
403 ti,wire-config = <0x00 0x11 0x22 0x33>;
404 };
405
406 adc {
407 ti,adc-channels = <4 5 6 7>;
408 };
409 };
410
411 &cpu {
412 cpu0-supply = <&dcdc2>;
413 operating-points = <1000000 1330000>,
414 <800000 1260000>,
415 <720000 1200000>,
416 <600000 1100000>,
417 <300000 950000>;
418 };
419
420 &pruss1_mdio {
421 status = "disabled";
422 };
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