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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Device Tree Source for K2G Industrial Communication Engine EVM
4 *
5 * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
6 */
7/dts-v1/;
8
9#include "keystone-k2g.dtsi"
10
11/ {
12 compatible = "ti,k2g-ice", "ti,k2g", "ti,keystone";
13 model = "Texas Instruments K2G Industrial Communication EVM";
14
15 memory@800000000 {
16 device_type = "memory";
17 reg = <0x00000008 0x00000000 0x00000000 0x20000000>;
18 };
19
20 reserved-memory {
21 #address-cells = <2>;
22 #size-cells = <2>;
23 ranges;
24
25 dsp_common_memory: dsp-common-memory@81f800000 {
26 compatible = "shared-dma-pool";
27 reg = <0x00000008 0x1f800000 0x00000000 0x800000>;
28 reusable;
29 status = "okay";
30 };
31 };
32
33 vmain: fixedregulator-vmain {
34 compatible = "regulator-fixed";
35 regulator-name = "vmain_fixed";
36 regulator-min-microvolt = <24000000>;
37 regulator-max-microvolt = <24000000>;
38 regulator-always-on;
39 };
40
41 v5_0: fixedregulator-v5_0 {
42 /* TPS54531 */
43 compatible = "regulator-fixed";
44 regulator-name = "v5_0_fixed";
45 regulator-min-microvolt = <5000000>;
46 regulator-max-microvolt = <5000000>;
47 vin-supply = <&vmain>;
48 regulator-always-on;
49 };
50
51 vdd_3v3: fixedregulator-vdd_3v3 {
52 /* TLV62084 */
53 compatible = "regulator-fixed";
54 regulator-name = "vdd_3v3_fixed";
55 regulator-min-microvolt = <3300000>;
56 regulator-max-microvolt = <3300000>;
57 vin-supply = <&v5_0>;
58 regulator-always-on;
59 };
60
61 vdd_1v8: fixedregulator-vdd_1v8 {
62 /* TLV62084 */
63 compatible = "regulator-fixed";
64 regulator-name = "vdd_1v8_fixed";
65 regulator-min-microvolt = <1800000>;
66 regulator-max-microvolt = <1800000>;
67 vin-supply = <&v5_0>;
68 regulator-always-on;
69 };
70
71 vdds_ddr: fixedregulator-vdds_ddr {
72 /* TLV62080 */
73 compatible = "regulator-fixed";
74 regulator-name = "vdds_ddr_fixed";
75 regulator-min-microvolt = <1350000>;
76 regulator-max-microvolt = <1350000>;
77 vin-supply = <&v5_0>;
78 regulator-always-on;
79 };
80
81 vref_ddr: fixedregulator-vref_ddr {
82 /* LP2996A */
83 compatible = "regulator-fixed";
84 regulator-name = "vref_ddr_fixed";
85 regulator-min-microvolt = <675000>;
86 regulator-max-microvolt = <675000>;
87 vin-supply = <&vdd_3v3>;
88 regulator-always-on;
89 };
90
91 vtt_ddr: fixedregulator-vtt_ddr {
92 /* LP2996A */
93 compatible = "regulator-fixed";
94 regulator-name = "vtt_ddr_fixed";
95 regulator-min-microvolt = <675000>;
96 regulator-max-microvolt = <675000>;
97 vin-supply = <&vdd_3v3>;
98 regulator-always-on;
99 };
100
101 vdd_0v9: fixedregulator-vdd_0v9 {
102 /* TPS62180 */
103 compatible = "regulator-fixed";
104 regulator-name = "vdd_0v9_fixed";
105 regulator-min-microvolt = <900000>;
106 regulator-max-microvolt = <900000>;
107 vin-supply = <&v5_0>;
108 regulator-always-on;
109 };
110
111 vddb: fixedregulator-vddb {
112 /* TPS22945 */
113 compatible = "regulator-fixed";
114 regulator-name = "vddb_fixed";
115 regulator-min-microvolt = <3300000>;
116 regulator-max-microvolt = <3300000>;
117
118 gpio = <&gpio1 53 GPIO_ACTIVE_HIGH>;
119 enable-active-high;
120 };
121
122 gpio-decoder {
123 compatible = "gpio-decoder";
124 gpios = <&pca9536 3 GPIO_ACTIVE_HIGH>,
125 <&pca9536 2 GPIO_ACTIVE_HIGH>,
126 <&pca9536 1 GPIO_ACTIVE_HIGH>,
127 <&pca9536 0 GPIO_ACTIVE_HIGH>;
128 linux,axis = <0>; /* ABS_X */
129 decoder-max-value = <9>;
130 };
131
132 leds1 {
133 compatible = "gpio-leds";
134 pinctrl-names = "default";
135 pinctrl-0 = <&user_leds>;
136
137 led0 {
138 label = "status0:red:cpu0";
139 gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
140 default-state = "off";
141 linux,default-trigger = "cpu0";
142 };
143
144 led1 {
145 label = "status0:green:usr";
146 gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
147 default-state = "off";
148 };
149
150 led2 {
151 label = "status0:yellow:usr";
152 gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
153 default-state = "off";
154 };
155
156 led3 {
157 label = "status1:red:mmc0";
158 gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
159 default-state = "off";
160 linux,default-trigger = "mmc0";
161 };
162
163 led4 {
164 label = "status1:green:usr";
165 gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
166 default-state = "off";
167 };
168
169 led5 {
170 label = "status1:yellow:usr";
171 gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
172 default-state = "off";
173 };
174
175 led6 {
176 label = "status2:red:usr";
177 gpios = <&gpio0 44 GPIO_ACTIVE_HIGH>;
178 default-state = "off";
179 };
180
181 led7 {
182 label = "status2:green:usr";
183 gpios = <&gpio0 43 GPIO_ACTIVE_HIGH>;
184 default-state = "off";
185 };
186
187 led8 {
188 label = "status2:yellow:usr";
189 gpios = <&gpio0 42 GPIO_ACTIVE_HIGH>;
190 default-state = "off";
191 };
192
193 led9 {
194 label = "status3:red:usr";
195 gpios = <&gpio0 41 GPIO_ACTIVE_HIGH>;
196 default-state = "off";
197 };
198
199 led10 {
200 label = "status3:green:usr";
201 gpios = <&gpio0 101 GPIO_ACTIVE_HIGH>;
202 default-state = "off";
203 };
204
205 led11 {
206 label = "status3:yellow:usr";
207 gpios = <&gpio0 102 GPIO_ACTIVE_HIGH>;
208 default-state = "off";
209 };
210
211 led12 {
212 label = "status4:green:heartbeat";
213 gpios = <&gpio0 19 GPIO_ACTIVE_HIGH>;
214 linux,default-trigger = "heartbeat";
215 };
216 };
217};
218
219&k2g_pinctrl {
220 uart0_pins: pinmux_uart0_pins {
221 pinctrl-single,pins = <
222 K2G_CORE_IOPAD(0x11cc) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* uart0_rxd.uart0_rxd */
223 K2G_CORE_IOPAD(0x11d0) (BUFFER_CLASS_B | PIN_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
224 >;
225 };
226
227 qspi_pins: pinmux_qspi_pins {
228 pinctrl-single,pins = <
229 K2G_CORE_IOPAD(0x1204) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_clk.qspi_clk */
230 K2G_CORE_IOPAD(0x1208) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_rclk.qspi_rclk */
231 K2G_CORE_IOPAD(0x120c) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_d0.qspi_d0 */
232 K2G_CORE_IOPAD(0x1210) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_d1.qspi_d1 */
233 K2G_CORE_IOPAD(0x1214) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_d2.qspi_d2 */
234 K2G_CORE_IOPAD(0x1218) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_d3.qspi_d3 */
235 K2G_CORE_IOPAD(0x121c) (BUFFER_CLASS_B | PULL_DISABLE | MUX_MODE0) /* qspi_csn0.qspi_csn0 */
236 >;
237 };
238
239 mmc1_pins: pinmux_mmc1_pins {
240 pinctrl-single,pins = <
241 K2G_CORE_IOPAD(0x10FC) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* mmc1_dat3.mmc1_dat3 */
242 K2G_CORE_IOPAD(0x1100) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* mmc1_dat2.mmc1_dat2 */
243 K2G_CORE_IOPAD(0x1104) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* mmc1_dat1.mmc1_dat1 */
244 K2G_CORE_IOPAD(0x1108) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* mmc1_dat0.mmc1_dat0 */
245 K2G_CORE_IOPAD(0x110C) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* mmc1_clk.mmc1_clk */
246 K2G_CORE_IOPAD(0x1110) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* mmc1_cmd.mmc1_cmd */
247 K2G_CORE_IOPAD(0x1114) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* mmc1_sdcd.gpio0_69 */
248 K2G_CORE_IOPAD(0x1118) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* mmc1_sdwp.mmc1_sdwp */
249 K2G_CORE_IOPAD(0x111C) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* mmc1_pow.mmc1_pow */
250 >;
251 };
252
253 i2c0_pins: pinmux_i2c0_pins {
254 pinctrl-single,pins = <
255 K2G_CORE_IOPAD(0x137c) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */
256 K2G_CORE_IOPAD(0x1380) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */
257 >;
258 };
259
260 i2c1_pins: pinmux_i2c1_pins {
261 pinctrl-single,pins = <
262 K2G_CORE_IOPAD(0x1384) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* i2c1_scl.i2c1_scl */
263 K2G_CORE_IOPAD(0x1388) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE0) /* i2c1_sda.i2c1_sda */
264 >;
265 };
266
267 user_leds: pinmux_user_leds {
268 pinctrl-single,pins = <
269 K2G_CORE_IOPAD(0x102c) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* gpmc_ad11.gpio0_11 */
270 K2G_CORE_IOPAD(0x1030) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* gpmc_ad12.gpio0_12 */
271 K2G_CORE_IOPAD(0x1034) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* gpmc_ad13.gpio0_13 */
272 K2G_CORE_IOPAD(0x1038) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* gpmc_ad14.gpio0_14 */
273 K2G_CORE_IOPAD(0x103c) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* gpmc_ad15.gpio0_15 */
274 K2G_CORE_IOPAD(0x1040) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* gpmc_clk.gpio0_16 */
275 K2G_CORE_IOPAD(0x104c) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* gpmc_wen.gpio0_19 */
276 K2G_CORE_IOPAD(0x10b0) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* dss_data9.gpio0_44 */
277 K2G_CORE_IOPAD(0x10ac) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* dss_data10.gpio0_43 */
278 K2G_CORE_IOPAD(0x10a8) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* dss_data11.gpio0_42 */
279 K2G_CORE_IOPAD(0x10a4) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* dss_data12.gpio0_41 */
280 K2G_CORE_IOPAD(0x11b8) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* spi2_scsn0.gpio0_101 */
281 K2G_CORE_IOPAD(0x11bc) (BUFFER_CLASS_B | PIN_PULLUP | MUX_MODE3) /* spi2_scsn1.gpio0_102 */
282 >;
283 };
284};
285
286&uart0 {
287 pinctrl-names = "default";
288 pinctrl-0 = <&uart0_pins>;
289 status = "okay";
290};
291
292&dsp0 {
293 memory-region = <&dsp_common_memory>;
294 status = "okay";
295};
296
297&qspi {
298 pinctrl-names = "default";
299 pinctrl-0 = <&qspi_pins>;
300 cdns,rclk-en;
301 status = "okay";
302
303 flash0: m25p80@0 {
304 compatible = "s25fl256s1", "jedec,spi-nor";
305 reg = <0>;
306 spi-tx-bus-width = <1>;
307 spi-rx-bus-width = <4>;
308 spi-max-frequency = <96000000>;
309 #address-cells = <1>;
310 #size-cells = <1>;
311 cdns,read-delay = <5>;
312 cdns,tshsl-ns = <500>;
313 cdns,tsd2d-ns = <500>;
314 cdns,tchsh-ns = <119>;
315 cdns,tslch-ns = <119>;
316
317 partition@0 {
318 label = "QSPI.u-boot";
319 reg = <0x00000000 0x00100000>;
320 };
321 partition@1 {
322 label = "QSPI.u-boot-env";
323 reg = <0x00100000 0x00040000>;
324 };
325 partition@2 {
326 label = "QSPI.skern";
327 reg = <0x00140000 0x0040000>;
328 };
329 partition@3 {
330 label = "QSPI.pmmc-firmware";
331 reg = <0x00180000 0x0040000>;
332 };
333 partition@4 {
334 label = "QSPI.kernel";
335 reg = <0x001c0000 0x0800000>;
336 };
337 partition@5 {
338 label = "QSPI.u-boot-spl-os";
339 reg = <0x009c0000 0x0040000>;
340 };
341 partition@6 {
342 label = "QSPI.file-system";
343 reg = <0x00a00000 0x1600000>;
344 };
345 };
346};
347
348&gpio0 {
349 status = "okay";
350};
351
352&gpio1 {
353 status = "okay";
354};
355
356&mmc1 {
357 pinctrl-names = "default";
358 pinctrl-0 = <&mmc1_pins>;
359 vmmc-supply = <&vdd_3v3>;
360 cd-gpios = <&gpio0 69 GPIO_ACTIVE_LOW>;
361 status = "okay";
362};
363
364&i2c0 {
365 pinctrl-names = "default";
366 pinctrl-0 = <&i2c0_pins>;
367 status = "okay";
368
369 eeprom@50 {
370 compatible = "atmel,24c256";
371 reg = <0x50>;
372 };
373};
374
375&i2c1 {
376 pinctrl-names = "default";
377 pinctrl-0 = <&i2c1_pins>;
378 status = "okay";
379 clock-frequency = <400000>;
380
381 pca9536: gpio@41 {
382 compatible = "ti,pca9536";
383 reg = <0x41>;
384 gpio-controller;
385 #gpio-cells = <2>;
386 vcc-supply = <&vdd_3v3>;
387 };
388};