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
35&flx1 {
36	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
37
38	uart6: serial@200 {
39		pinctrl-0 = <&pinctrl_flx1_default>;
40		pinctrl-names = "default";
41	};
42};
43
44&i2c0 {
45	pinctrl-0 = <&pinctrl_i2c0_default>;
46	pinctrl-names = "default";
47	status = "okay";
48};
49
50&i2c1 {
51	dmas = <0>, <0>;
52	pinctrl-names = "default";
53	pinctrl-0 = <&pinctrl_i2c1_default>;
54	status = "okay";
55
56	mcp16502@5b {
57		compatible = "microchip,mcp16502";
58		reg = <0x5b>;
59		status = "okay";
60		lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
61
62		regulators {
63			vdd_3v3: VDD_IO {
64				regulator-name = "VDD_IO";
65				regulator-min-microvolt = <1200000>;
66				regulator-max-microvolt = <3700000>;
67				regulator-initial-mode = <2>;
68				regulator-allowed-modes = <2>, <4>;
69				regulator-always-on;
70
71				regulator-state-standby {
72					regulator-on-in-suspend;
73					regulator-mode = <4>;
74				};
75
76				regulator-state-mem {
77					regulator-off-in-suspend;
78					regulator-mode = <4>;
79				};
80			};
81
82			vddio_ddr: VDD_DDR {
83				regulator-name = "VDD_DDR";
84				regulator-min-microvolt = <600000>;
85				regulator-max-microvolt = <1850000>;
86				regulator-initial-mode = <2>;
87				regulator-allowed-modes = <2>, <4>;
88				regulator-always-on;
89
90				regulator-state-standby {
91					regulator-on-in-suspend;
92					regulator-suspend-microvolt = <1200000>;
93					regulator-changeable-in-suspend;
94					regulator-mode = <4>;
95				};
96
97				regulator-state-mem {
98					regulator-on-in-suspend;
99					regulator-suspend-microvolt = <1200000>;
100					regulator-changeable-in-suspend;
101					regulator-mode = <4>;
102				};
103			};
104
105			vdd_core: VDD_CORE {
106				regulator-name = "VDD_CORE";
107				regulator-min-microvolt = <600000>;
108				regulator-max-microvolt = <1850000>;
109				regulator-initial-mode = <2>;
110				regulator-allowed-modes = <2>, <4>;
111				regulator-always-on;
112
113				regulator-state-standby {
114					regulator-on-in-suspend;
115					regulator-mode = <4>;
116				};
117
118				regulator-state-mem {
119					regulator-off-in-suspend;
120					regulator-mode = <4>;
121				};
122			};
123
124			vdd_ddr: VDD_OTHER {
125				regulator-name = "VDD_OTHER";
126				regulator-min-microvolt = <1800000>;
127				regulator-max-microvolt = <1800000>;
128				regulator-initial-mode = <2>;
129				regulator-allowed-modes = <2>, <4>;
130				regulator-always-on;
131
132				regulator-state-standby {
133					regulator-on-in-suspend;
134					regulator-suspend-microvolt = <1800000>;
135					regulator-changeable-in-suspend;
136					regulator-mode = <4>;
137				};
138
139				regulator-state-mem {
140					regulator-on-in-suspend;
141					regulator-suspend-microvolt = <1800000>;
142					regulator-changeable-in-suspend;
143					regulator-mode = <4>;
144				};
145			};
146
147			LDO1 {
148				regulator-name = "LDO1";
149				regulator-min-microvolt = <1200000>;
150				regulator-max-microvolt = <3700000>;
151				regulator-always-on;
152
153				regulator-state-standby {
154					regulator-on-in-suspend;
155				};
156
157				regulator-state-mem {
158					regulator-off-in-suspend;
159				};
160			};
161
162			LDO2 {
163				regulator-name = "LDO2";
164				regulator-min-microvolt = <1200000>;
165				regulator-max-microvolt = <3700000>;
166				regulator-always-on;
167
168				regulator-state-standby {
169					regulator-on-in-suspend;
170				};
171
172				regulator-state-mem {
173					regulator-off-in-suspend;
174				};
175			};
176		};
177	};
178};
179
180&macb0 {
181	pinctrl-names = "default";
182	pinctrl-0 = <&pinctrl_macb0_default>;
183	phy-mode = "rmii";
184
185	ethernet-phy@0 {
186		reg = <0x0>;
187		interrupt-parent = <&pioA>;
188		interrupts = <PIN_PB24 IRQ_TYPE_LEVEL_LOW>;
189		pinctrl-names = "default";
190		pinctrl-0 = <&pinctrl_macb0_phy_irq>;
191	};
192};
193
194&pmc {
195	atmel,osc-bypass;
196};
197
198&qspi1 {
199	pinctrl-names = "default";
200	pinctrl-0 = <&pinctrl_qspi1_default>;
201	status = "disabled";
202
203	qspi1_flash: spi_flash@0 {
204		#address-cells = <1>;
205		#size-cells = <1>;
206		compatible = "jedec,spi-nor";
207		reg = <0>;
208		spi-max-frequency = <80000000>;
209		spi-rx-bus-width = <4>;
210		spi-tx-bus-width = <4>;
211		m25p,fast-read;
212		status = "disabled";
213
214		at91bootstrap@0 {
215			label = "at91bootstrap";
216			reg = <0x0 0x40000>;
217		};
218
219		bootloader@40000 {
220			label = "bootloader";
221			reg = <0x40000 0xc0000>;
222		};
223
224		bootloaderenvred@100000 {
225			label = "bootloader env redundant";
226			reg = <0x100000 0x40000>;
227		};
228
229		bootloaderenv@140000 {
230			label = "bootloader env";
231			reg = <0x140000 0x40000>;
232		};
233
234		dtb@180000 {
235			label = "device tree";
236			reg = <0x180000 0x80000>;
237		};
238
239		kernel@200000 {
240			label = "kernel";
241			reg = <0x200000 0x600000>;
242		};
243	};
244};
245
246&pioA {
247	pinctrl_flx1_default: flx1_usart_default {
248		pinmux = <PIN_PA24__FLEXCOM1_IO0>,
249			 <PIN_PA23__FLEXCOM1_IO1>,
250			 <PIN_PA25__FLEXCOM1_IO3>,
251			 <PIN_PA26__FLEXCOM1_IO4>;
252		bias-disable;
253	};
254
255	pinctrl_i2c0_default: i2c0_default {
256		pinmux = <PIN_PD21__TWD0>,
257			 <PIN_PD22__TWCK0>;
258		bias-disable;
259	};
260
261	pinctrl_i2c1_default: i2c1_default {
262		pinmux = <PIN_PD19__TWD1>,
263			 <PIN_PD20__TWCK1>;
264		bias-disable;
265	};
266
267	pinctrl_macb0_default: macb0_default {
268		pinmux = <PIN_PB14__GTXCK>,
269			 <PIN_PB15__GTXEN>,
270			 <PIN_PB16__GRXDV>,
271			 <PIN_PB17__GRXER>,
272			 <PIN_PB18__GRX0>,
273			 <PIN_PB19__GRX1>,
274			 <PIN_PB20__GTX0>,
275			 <PIN_PB21__GTX1>,
276			 <PIN_PB22__GMDC>,
277			 <PIN_PB23__GMDIO>;
278		bias-disable;
279	};
280
281	pinctrl_macb0_phy_irq: macb0_phy_irq {
282		pinmux = <PIN_PB24__GPIO>;
283		bias-disable;
284	};
285
286	pinctrl_qspi1_default: qspi1_default {
287		pinmux = <PIN_PB5__QSPI1_SCK>,
288			 <PIN_PB6__QSPI1_CS>,
289			 <PIN_PB7__QSPI1_IO0>,
290			 <PIN_PB8__QSPI1_IO1>,
291			 <PIN_PB9__QSPI1_IO2>,
292			 <PIN_PB10__QSPI1_IO3>;
293		bias-pull-up;
294	};
295};
296
297