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1 /*
2  * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  */
8
9 /dts-v1/;
10
11 #include "am4372.dtsi"
12 #include <dt-bindings/pinctrl/am43xx.h>
13 #include <dt-bindings/pwm/pwm.h>
14 #include <dt-bindings/gpio/gpio.h>
15 #include <dt-bindings/input/input.h>
16
17 / {
18         model = "TI AM437x Industrial Development Kit";
19         compatible = "ti,am437x-idk-evm","ti,am4372","ti,am43";
20
21         chosen {
22                 stdout-path = &uart0;
23                 tick-timer = &timer2;
24         };
25
26         v24_0d: fixed-regulator-v24_0d {
27                 compatible = "regulator-fixed";
28                 regulator-name = "V24_0D";
29                 regulator-min-microvolt = <24000000>;
30                 regulator-max-microvolt = <24000000>;
31                 regulator-always-on;
32                 regulator-boot-on;
33         };
34
35         v3_3d: fixed-regulator-v3_3d {
36                 compatible = "regulator-fixed";
37                 regulator-name = "V3_3D";
38                 regulator-min-microvolt = <3300000>;
39                 regulator-max-microvolt = <3300000>;
40                 regulator-always-on;
41                 regulator-boot-on;
42                 vin-supply = <&v24_0d>;
43         };
44
45         vdd_corereg: fixed-regulator-vdd_corereg {
46                 compatible = "regulator-fixed";
47                 regulator-name = "VDD_COREREG";
48                 regulator-min-microvolt = <1100000>;
49                 regulator-max-microvolt = <1100000>;
50                 regulator-always-on;
51                 regulator-boot-on;
52                 vin-supply = <&v24_0d>;
53         };
54
55         vdd_core: fixed-regulator-vdd_core {
56                 compatible = "regulator-fixed";
57                 regulator-name = "VDD_CORE";
58                 regulator-min-microvolt = <1100000>;
59                 regulator-max-microvolt = <1100000>;
60                 regulator-always-on;
61                 regulator-boot-on;
62                 vin-supply = <&vdd_corereg>;
63         };
64
65         v1_8dreg: fixed-regulator-v1_8dreg{
66                 compatible = "regulator-fixed";
67                 regulator-name = "V1_8DREG";
68                 regulator-min-microvolt = <1800000>;
69                 regulator-max-microvolt = <1800000>;
70                 regulator-always-on;
71                 regulator-boot-on;
72                 vin-supply = <&v24_0d>;
73         };
74
75         v1_8d: fixed-regulator-v1_8d{
76                 compatible = "regulator-fixed";
77                 regulator-name = "V1_8D";
78                 regulator-min-microvolt = <1800000>;
79                 regulator-max-microvolt = <1800000>;
80                 regulator-always-on;
81                 regulator-boot-on;
82                 vin-supply = <&v1_8dreg>;
83         };
84
85         v1_5dreg: fixed-regulator-v1_5dreg{
86                 compatible = "regulator-fixed";
87                 regulator-name = "V1_5DREG";
88                 regulator-min-microvolt = <1500000>;
89                 regulator-max-microvolt = <1500000>;
90                 regulator-always-on;
91                 regulator-boot-on;
92                 vin-supply = <&v24_0d>;
93         };
94
95         v1_5d: fixed-regulator-v1_5d{
96                 compatible = "regulator-fixed";
97                 regulator-name = "V1_5D";
98                 regulator-min-microvolt = <1500000>;
99                 regulator-max-microvolt = <1500000>;
100                 regulator-always-on;
101                 regulator-boot-on;
102                 vin-supply = <&v1_5dreg>;
103         };
104
105         gpio_keys: gpio_keys {
106                 compatible = "gpio-keys";
107                 pinctrl-names = "default";
108                 pinctrl-0 = <&gpio_keys_pins_default>;
109                 #address-cells = <1>;
110                 #size-cells = <0>;
111
112                 switch@0 {
113                         label = "power-button";
114                         linux,code = <KEY_POWER>;
115                         gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
116                 };
117         };
118
119         /* fixed 32k external oscillator clock */
120         clk_32k_rtc: clk_32k_rtc {
121                 #clock-cells = <0>;
122                 compatible = "fixed-clock";
123                 clock-frequency = <32768>;
124         };
125 };
126
127 &am43xx_pinmux {
128         gpio_keys_pins_default: gpio_keys_pins_default {
129                 pinctrl-single,pins = <
130                         AM4372_IOPAD(0x9b8, PIN_INPUT | MUX_MODE7)      /* cam0_field.gpio4_2 */
131                 >;
132         };
133
134         i2c0_pins_default: i2c0_pins_default {
135                 pinctrl-single,pins = <
136                         AM4372_IOPAD(0x988, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
137                         AM4372_IOPAD(0x98c, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
138                 >;
139         };
140
141         i2c0_pins_sleep: i2c0_pins_sleep {
142                 pinctrl-single,pins = <
143                         AM4372_IOPAD(0x988, PIN_INPUT_PULLDOWN | MUX_MODE7)
144                         AM4372_IOPAD(0x98c, PIN_INPUT_PULLDOWN | MUX_MODE7)
145                 >;
146         };
147
148         i2c2_pins_default: i2c2_pins_default {
149                 pinctrl-single,pins = <
150                         AM4372_IOPAD(0x9e8, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data1.i2c2_scl */
151                         AM4372_IOPAD(0x9ec, PIN_INPUT | SLEWCTRL_FAST | MUX_MODE3) /* cam1_data0.i2c2_sda */
152                 >;
153         };
154
155         i2c2_pins_sleep: i2c2_pins_sleep {
156                 pinctrl-single,pins = <
157                         AM4372_IOPAD(0x9e8, PIN_INPUT_PULLDOWN | MUX_MODE7)
158                         AM4372_IOPAD(0x9ec, PIN_INPUT_PULLDOWN | MUX_MODE7)
159                 >;
160         };
161
162         mmc1_pins_default: pinmux_mmc1_pins_default {
163                 pinctrl-single,pins = <
164                         AM4372_IOPAD(0x900, PIN_INPUT | MUX_MODE0) /* mmc0_clk.mmc0_clk */
165                         AM4372_IOPAD(0x904, PIN_INPUT | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
166                         AM4372_IOPAD(0x9f0, PIN_INPUT | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
167                         AM4372_IOPAD(0x9f4, PIN_INPUT | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
168                         AM4372_IOPAD(0x9f8, PIN_INPUT | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
169                         AM4372_IOPAD(0x9fc, PIN_INPUT | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
170                         AM4372_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
171                 >;
172         };
173
174         mmc1_pins_sleep: pinmux_mmc1_pins_sleep {
175                 pinctrl-single,pins = <
176                         AM4372_IOPAD(0x900, PIN_INPUT_PULLDOWN | MUX_MODE7)
177                         AM4372_IOPAD(0x904, PIN_INPUT_PULLDOWN | MUX_MODE7)
178                         AM4372_IOPAD(0x9f0, PIN_INPUT_PULLDOWN | MUX_MODE7)
179                         AM4372_IOPAD(0x9f4, PIN_INPUT_PULLDOWN | MUX_MODE7)
180                         AM4372_IOPAD(0x9f8, PIN_INPUT_PULLDOWN | MUX_MODE7)
181                         AM4372_IOPAD(0x9fc, PIN_INPUT_PULLDOWN | MUX_MODE7)
182                         AM4372_IOPAD(0x960, PIN_INPUT_PULLDOWN | MUX_MODE7)
183                 >;
184         };
185
186         ecap0_pins_default: backlight_pins_default {
187                 pinctrl-single,pins = <
188                         AM4372_IOPAD(0x964, PIN_OUTPUT | MUX_MODE0) /* ecap0_in_pwm0_out.ecap0_in_pwm0_out */
189                 >;
190         };
191
192         cpsw_default: cpsw_default {
193                 pinctrl-single,pins = <
194                         AM4372_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txclk.rgmii1_tclk */
195                         AM4372_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txen.rgmii1_tctl */
196                         AM4372_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd0.rgmii1_td0 */
197                         AM4372_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd1.rgmii1_td1 */
198                         AM4372_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd0.rgmii1_td2 */
199                         AM4372_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)    /* mii1_txd1.rgmii1_td3 */
200                         AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxclk.rmii1_rclk */
201                         AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxdv.rgmii1_rctl */
202                         AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd0.rgmii1_rd0 */
203                         AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd1.rgmii1_rd1 */
204                         AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd0.rgmii1_rd2 */
205                         AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)     /* mii1_rxd1.rgmii1_rd3 */
206                 >;
207         };
208
209         cpsw_sleep: cpsw_sleep {
210                 pinctrl-single,pins = <
211                         AM4372_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
212                         AM4372_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
213                         AM4372_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
214                         AM4372_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
215                         AM4372_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
216                         AM4372_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
217                         AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
218                         AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
219                         AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
220                         AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
221                         AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
222                         AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
223                 >;
224         };
225
226         davinci_mdio_default: davinci_mdio_default {
227                 pinctrl-single,pins = <
228                         /* MDIO */
229                         AM4372_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)       /* mdio_data.mdio_data */
230                         AM4372_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)                      /* mdio_clk.mdio_clk */
231                 >;
232         };
233
234         davinci_mdio_sleep: davinci_mdio_sleep {
235                 pinctrl-single,pins = <
236                         /* MDIO reset value */
237                         AM4372_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
238                         AM4372_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
239                 >;
240         };
241
242         qspi_pins_default: qspi_pins_default {
243                 pinctrl-single,pins = <
244                         AM4372_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE3)      /* gpmc_csn0.qspi_csn */
245                         AM4372_IOPAD(0x888, PIN_OUTPUT | MUX_MODE2)             /* gpmc_csn3.qspi_clk */
246                         AM4372_IOPAD(0x890, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_advn_ale.qspi_d0 */
247                         AM4372_IOPAD(0x894, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_oen_ren.qspi_d1 */
248                         AM4372_IOPAD(0x898, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_wen.qspi_d2 */
249                         AM4372_IOPAD(0x89c, PIN_INPUT_PULLUP | MUX_MODE3)       /* gpmc_be0n_cle.qspi_d3 */
250                 >;
251         };
252
253         qspi_pins_sleep: qspi_pins_sleep{
254                 pinctrl-single,pins = <
255                         AM4372_IOPAD(0x87c, PIN_INPUT_PULLDOWN | MUX_MODE7)
256                         AM4372_IOPAD(0x888, PIN_INPUT_PULLDOWN | MUX_MODE7)
257                         AM4372_IOPAD(0x890, PIN_INPUT_PULLDOWN | MUX_MODE7)
258                         AM4372_IOPAD(0x894, PIN_INPUT_PULLDOWN | MUX_MODE7)
259                         AM4372_IOPAD(0x898, PIN_INPUT_PULLDOWN | MUX_MODE7)
260                         AM4372_IOPAD(0x89c, PIN_INPUT_PULLDOWN | MUX_MODE7)
261                 >;
262         };
263 };
264
265 &i2c0 {
266         status = "okay";
267         pinctrl-names = "default", "sleep";
268         pinctrl-0 = <&i2c0_pins_default>;
269         pinctrl-1 = <&i2c0_pins_sleep>;
270         clock-frequency = <400000>;
271
272         at24@50 {
273                 compatible = "at24,24c256";
274                 pagesize = <64>;
275                 reg = <0x50>;
276         };
277
278         tps: tps62362@60 {
279                 compatible = "ti,tps62362";
280                 reg = <0x60>;
281                 regulator-name = "VDD_MPU";
282                 regulator-min-microvolt = <950000>;
283                 regulator-max-microvolt = <1330000>;
284                 regulator-boot-on;
285                 regulator-always-on;
286                 ti,vsel0-state-high;
287                 ti,vsel1-state-high;
288                 vin-supply = <&v3_3d>;
289         };
290 };
291
292 &i2c2 {
293         status = "okay";
294         pinctrl-names = "default", "sleep";
295         pinctrl-0 = <&i2c2_pins_default>;
296         pinctrl-1 = <&i2c2_pins_sleep>;
297         clock-frequency = <100000>;
298 };
299
300 &epwmss0 {
301         status = "okay";
302 };
303
304 &ecap0 {
305         status = "okay";
306         pinctrl-names = "default";
307         pinctrl-0 = <&ecap0_pins_default>;
308 };
309
310 &gpio0 {
311         status = "okay";
312 };
313
314 &gpio1 {
315         status = "okay";
316 };
317
318 &gpio4 {
319         status = "okay";
320 };
321
322 &gpio5 {
323         status = "okay";
324 };
325
326 &mmc1 {
327         status = "okay";
328         pinctrl-names = "default", "sleep";
329         pinctrl-0 = <&mmc1_pins_default>;
330         pinctrl-1 = <&mmc1_pins_sleep>;
331         vmmc-supply = <&v3_3d>;
332         bus-width = <4>;
333         cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
334 };
335
336 &qspi {
337         status = "okay";
338         pinctrl-names = "default", "sleep";
339         pinctrl-0 = <&qspi_pins_default>;
340         pinctrl-1 = <&qspi_pins_sleep>;
341
342         spi-max-frequency = <48000000>;
343         m25p80@0 {
344                 compatible = "mx66l51235l", "spi-flash";
345                 spi-max-frequency = <48000000>;
346                 reg = <0>;
347                 spi-cpol;
348                 spi-cpha;
349                 spi-tx-bus-width = <1>;
350                 spi-rx-bus-width = <4>;
351                 #address-cells = <1>;
352                 #size-cells = <1>;
353
354                 /*
355                  * MTD partition table.  The ROM checks the first 512KiB for a
356                  * valid file to boot(XIP).
357                  */
358                 partition@0 {
359                         label = "QSPI.U_BOOT";
360                         reg = <0x00000000 0x000080000>;
361                 };
362                 partition@1 {
363                         label = "QSPI.U_BOOT.backup";
364                         reg = <0x00080000 0x00080000>;
365                 };
366                 partition@2 {
367                         label = "QSPI.U-BOOT-SPL_OS";
368                         reg = <0x00100000 0x00010000>;
369                 };
370                 partition@3 {
371                         label = "QSPI.U_BOOT_ENV";
372                         reg = <0x00110000 0x00010000>;
373                 };
374                 partition@4 {
375                         label = "QSPI.U-BOOT-ENV.backup";
376                         reg = <0x00120000 0x00010000>;
377                 };
378                 partition@5 {
379                         label = "QSPI.KERNEL";
380                         reg = <0x00130000 0x0800000>;
381                 };
382                 partition@6 {
383                         label = "QSPI.FILESYSTEM";
384                         reg = <0x00930000 0x36D0000>;
385                 };
386         };
387 };
388
389 &mac {
390         pinctrl-names = "default", "sleep";
391         pinctrl-0 = <&cpsw_default>;
392         pinctrl-1 = <&cpsw_sleep>;
393         status = "okay";
394 };
395
396 &davinci_mdio {
397         pinctrl-names = "default", "sleep";
398         pinctrl-0 = <&davinci_mdio_default>;
399         pinctrl-1 = <&davinci_mdio_sleep>;
400         status = "okay";
401 };
402
403 &cpsw_emac0 {
404         phy_id = <&davinci_mdio>, <0>;
405         phy-mode = "rgmii";
406 };
407
408 &rtc {
409         clocks = <&clk_32k_rtc>, <&clk_32768_ck>;
410         clock-names = "ext-clk", "int-clk";
411         status = "okay";
412 };
413
414 &wdt {
415         status = "okay";
416 };
417
418 &cpu {
419         cpu0-supply = <&tps>;
420 };