tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * at91-sama5d27_wlsom1.dtsi - Device Tree file for SAMA5D27 WLSOM1
4 *
5 * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
6 *
7 * Author: Nicolas Ferre <nicolas.ferre@microcihp.com>
8 * Author: Eugen Hristev <eugen.hristev@microcihp.com>
9 */
10#include "sama5d2.dtsi"
11#include "sama5d2-pinfunc.h"
12#include <dt-bindings/gpio/gpio.h>
13#include <dt-bindings/mfd/atmel-flexcom.h>
14#include <dt-bindings/pinctrl/at91.h>
15
16/ {
17 model = "Microchip SAMA5D27 WLSOM1";
18 compatible = "microchip,sama5d27-wlsom1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
19
20 aliases {
21 i2c0 = &i2c0;
22 };
23
24 clocks {
25 slow_xtal {
26 clock-frequency = <32768>;
27 };
28
29 main_xtal {
30 clock-frequency = <24000000>;
31 };
32 };
33
34 wifi_pwrseq: wifi_pwrseq {
35 compatible = "mmc-pwrseq-wilc1000";
36 reset-gpios = <&pioA PIN_PA27 GPIO_ACTIVE_HIGH>;
37 powerdown-gpios = <&pioA PIN_PA29 GPIO_ACTIVE_HIGH>;
38 pinctrl-0 = <&pinctrl_wilc_pwrseq>;
39 pinctrl-names = "default";
40 };
41};
42
43&flx1 {
44 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
45
46 uart6: serial@200 {
47 pinctrl-0 = <&pinctrl_flx1_default>;
48 pinctrl-names = "default";
49 };
50};
51
52&i2c0 {
53 pinctrl-0 = <&pinctrl_i2c0_default>;
54 pinctrl-1 = <&pinctrl_i2c0_gpio>;
55 pinctrl-names = "default", "gpio";
56 sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>;
57 scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
58 status = "okay";
59};
60
61&i2c1 {
62 dmas = <0>, <0>;
63 pinctrl-names = "default", "gpio";
64 pinctrl-0 = <&pinctrl_i2c1_default>;
65 pinctrl-1 = <&pinctrl_i2c1_gpio>;
66 sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>;
67 scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
68 status = "okay";
69
70 mcp16502@5b {
71 compatible = "microchip,mcp16502";
72 reg = <0x5b>;
73 status = "okay";
74 lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
75
76 regulators {
77 vdd_3v3: VDD_IO {
78 regulator-name = "VDD_IO";
79 regulator-min-microvolt = <1200000>;
80 regulator-max-microvolt = <3700000>;
81 regulator-initial-mode = <2>;
82 regulator-allowed-modes = <2>, <4>;
83 regulator-always-on;
84
85 regulator-state-standby {
86 regulator-on-in-suspend;
87 regulator-mode = <4>;
88 };
89
90 regulator-state-mem {
91 regulator-off-in-suspend;
92 regulator-mode = <4>;
93 };
94 };
95
96 vddio_ddr: VDD_DDR {
97 regulator-name = "VDD_DDR";
98 regulator-min-microvolt = <600000>;
99 regulator-max-microvolt = <1850000>;
100 regulator-initial-mode = <2>;
101 regulator-allowed-modes = <2>, <4>;
102 regulator-always-on;
103
104 regulator-state-standby {
105 regulator-on-in-suspend;
106 regulator-suspend-microvolt = <1200000>;
107 regulator-changeable-in-suspend;
108 regulator-mode = <4>;
109 };
110
111 regulator-state-mem {
112 regulator-on-in-suspend;
113 regulator-suspend-microvolt = <1200000>;
114 regulator-changeable-in-suspend;
115 regulator-mode = <4>;
116 };
117 };
118
119 vdd_core: VDD_CORE {
120 regulator-name = "VDD_CORE";
121 regulator-min-microvolt = <600000>;
122 regulator-max-microvolt = <1850000>;
123 regulator-initial-mode = <2>;
124 regulator-allowed-modes = <2>, <4>;
125 regulator-always-on;
126
127 regulator-state-standby {
128 regulator-on-in-suspend;
129 regulator-mode = <4>;
130 };
131
132 regulator-state-mem {
133 regulator-off-in-suspend;
134 regulator-mode = <4>;
135 };
136 };
137
138 vdd_ddr: VDD_OTHER {
139 regulator-name = "VDD_OTHER";
140 regulator-min-microvolt = <1800000>;
141 regulator-max-microvolt = <1800000>;
142 regulator-initial-mode = <2>;
143 regulator-allowed-modes = <2>, <4>;
144 regulator-always-on;
145
146 regulator-state-standby {
147 regulator-on-in-suspend;
148 regulator-suspend-microvolt = <1800000>;
149 regulator-changeable-in-suspend;
150 regulator-mode = <4>;
151 };
152
153 regulator-state-mem {
154 regulator-on-in-suspend;
155 regulator-suspend-microvolt = <1800000>;
156 regulator-changeable-in-suspend;
157 regulator-mode = <4>;
158 };
159 };
160
161 LDO1 {
162 regulator-name = "LDO1";
163 regulator-min-microvolt = <1200000>;
164 regulator-max-microvolt = <3700000>;
165 regulator-always-on;
166
167 regulator-state-standby {
168 regulator-on-in-suspend;
169 };
170
171 regulator-state-mem {
172 regulator-off-in-suspend;
173 };
174 };
175
176 LDO2 {
177 regulator-name = "LDO2";
178 regulator-min-microvolt = <1200000>;
179 regulator-max-microvolt = <3700000>;
180 regulator-always-on;
181
182 regulator-state-standby {
183 regulator-on-in-suspend;
184 };
185
186 regulator-state-mem {
187 regulator-off-in-suspend;
188 };
189 };
190 };
191 };
192};
193
194&macb0 {
195 pinctrl-names = "default";
196 pinctrl-0 = <&pinctrl_macb0_default>;
197 phy-mode = "rmii";
198
199 ethernet-phy@0 {
200 reg = <0x0>;
201 interrupt-parent = <&pioA>;
202 interrupts = <PIN_PB24 IRQ_TYPE_LEVEL_LOW>;
203 pinctrl-names = "default";
204 pinctrl-0 = <&pinctrl_macb0_phy_irq>;
205 };
206};
207
208&pmc {
209 atmel,osc-bypass;
210};
211
212&qspi1 {
213 pinctrl-names = "default";
214 pinctrl-0 = <&pinctrl_qspi1_default>;
215 status = "disabled";
216
217 qspi1_flash: spi_flash@0 {
218 #address-cells = <1>;
219 #size-cells = <1>;
220 compatible = "jedec,spi-nor";
221 reg = <0>;
222 spi-max-frequency = <80000000>;
223 spi-rx-bus-width = <4>;
224 spi-tx-bus-width = <4>;
225 m25p,fast-read;
226 status = "disabled";
227
228 at91bootstrap@0 {
229 label = "at91bootstrap";
230 reg = <0x0 0x40000>;
231 };
232
233 bootloader@40000 {
234 label = "bootloader";
235 reg = <0x40000 0xc0000>;
236 };
237
238 bootloaderenvred@100000 {
239 label = "bootloader env redundant";
240 reg = <0x100000 0x40000>;
241 };
242
243 bootloaderenv@140000 {
244 label = "bootloader env";
245 reg = <0x140000 0x40000>;
246 };
247
248 dtb@180000 {
249 label = "device tree";
250 reg = <0x180000 0x80000>;
251 };
252
253 kernel@200000 {
254 label = "kernel";
255 reg = <0x200000 0x600000>;
256 };
257 };
258};
259
260&pioA {
261 pinctrl_flx1_default: flx1_usart_default {
262 pinmux = <PIN_PA24__FLEXCOM1_IO0>,
263 <PIN_PA23__FLEXCOM1_IO1>,
264 <PIN_PA25__FLEXCOM1_IO3>,
265 <PIN_PA26__FLEXCOM1_IO4>;
266 bias-disable;
267 };
268
269 pinctrl_i2c0_default: i2c0_default {
270 pinmux = <PIN_PD21__TWD0>,
271 <PIN_PD22__TWCK0>;
272 bias-disable;
273 };
274
275 pinctrl_i2c0_gpio: i2c0_gpio {
276 pinmux = <PIN_PD21__GPIO>,
277 <PIN_PD22__GPIO>;
278 bias-disable;
279 };
280
281 pinctrl_i2c1_default: i2c1_default {
282 pinmux = <PIN_PD19__TWD1>,
283 <PIN_PD20__TWCK1>;
284 bias-disable;
285 };
286
287 pinctrl_i2c1_gpio: i2c1_gpio {
288 pinmux = <PIN_PD19__GPIO>,
289 <PIN_PD20__GPIO>;
290 bias-disable;
291 };
292
293 pinctrl_macb0_default: macb0_default {
294 pinmux = <PIN_PB14__GTXCK>,
295 <PIN_PB15__GTXEN>,
296 <PIN_PB16__GRXDV>,
297 <PIN_PB17__GRXER>,
298 <PIN_PB18__GRX0>,
299 <PIN_PB19__GRX1>,
300 <PIN_PB20__GTX0>,
301 <PIN_PB21__GTX1>,
302 <PIN_PB22__GMDC>,
303 <PIN_PB23__GMDIO>;
304 bias-disable;
305 };
306
307 pinctrl_macb0_phy_irq: macb0_phy_irq {
308 pinmux = <PIN_PB24__GPIO>;
309 bias-disable;
310 };
311
312 pinctrl_qspi1_default: qspi1_default {
313 pinmux = <PIN_PB5__QSPI1_SCK>,
314 <PIN_PB6__QSPI1_CS>,
315 <PIN_PB7__QSPI1_IO0>,
316 <PIN_PB8__QSPI1_IO1>,
317 <PIN_PB9__QSPI1_IO2>,
318 <PIN_PB10__QSPI1_IO3>;
319 bias-pull-up;
320 };
321
322 pinctrl_sdmmc1_default: sdmmc1_default {
323 cmd-data {
324 pinmux = <PIN_PA28__SDMMC1_CMD>,
325 <PIN_PA18__SDMMC1_DAT0>,
326 <PIN_PA19__SDMMC1_DAT1>,
327 <PIN_PA20__SDMMC1_DAT2>,
328 <PIN_PA21__SDMMC1_DAT3>;
329 bias-disable;
330 };
331
332 conf-ck {
333 pinmux = <PIN_PA22__SDMMC1_CK>;
334 bias-disable;
335 };
336 };
337
338 pinctrl_wilc_default: wilc_default {
339 conf-irq {
340 pinmux = <PIN_PB25__GPIO>;
341 bias-disable;
342 };
343 };
344
345 pinctrl_wilc_pwrseq: wilc_pwrseq {
346 conf-ce-nrst {
347 pinmux = <PIN_PA27__GPIO>,
348 <PIN_PA29__GPIO>;
349 bias-disable;
350 };
351
352 conf-rtcclk {
353 pinmux = <PIN_PB13__PCK1>;
354 bias-disable;
355 };
356 };
357};
358
359&sdmmc1 {
360 #address-cells = <1>;
361 #size-cells = <0>;
362 bus-width = <4>;
363 pinctrl-names = "default";
364 pinctrl-0 = <&pinctrl_sdmmc1_default>;
365 mmc-pwrseq = <&wifi_pwrseq>;
366 no-1-8-v;
367 non-removable;
368 bus-width = <4>;
369 status = "okay";
370
371 wilc: wifi@0 {
372 reg = <0>;
373 compatible = "microchip,wilc1000";
374 pinctrl-names = "default";
375 pinctrl-0 = <&pinctrl_wilc_default>;
376 clocks = <&pmc PMC_TYPE_SYSTEM 9>;
377 clock-names = "rtc";
378 interrupts = <PIN_PB25 IRQ_TYPE_NONE>;
379 interrupt-parent = <&pioA>;
380 assigned-clocks = <&pmc PMC_TYPE_SYSTEM 9>;
381 assigned-clock-rates = <32768>;
382 };
383};
384