1 // SPDX-License-Identifier: GPL-2.0-only
3 * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
5 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
7 #include "at91sam9g20.dtsi"
8 #include <dt-bindings/input/input.h>
13 bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
14 stdout-path = "serial0:115200n8";
18 reg = <0x20000000 0x4000000>;
23 clock-frequency = <32768>;
27 clock-frequency = <18432000>;
35 pinctrl_pck0_as_mck: pck0_as_mck {
37 <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
43 pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
45 <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */
50 pinctrl_board_mmc0_slot1: mmc0_slot1-board {
52 <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */
57 dbgu: serial@fffff200 {
61 tcb0: timer@fffa0000 {
63 compatible = "atmel,tcb-timer";
68 compatible = "atmel,tcb-timer";
73 usart0: serial@fffb0000 {
78 &pinctrl_usart0_dtr_dsr
84 usart1: serial@fffb4000 {
88 macb0: ethernet@fffc4000 {
93 usb1: gadget@fffa4000 {
94 pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
95 pinctrl-names = "default";
96 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
102 &pinctrl_board_mmc0_slot1
104 &pinctrl_mmc0_slot1_cmd_dat0
105 &pinctrl_mmc0_slot1_dat1_3>;
106 pinctrl-names = "default";
111 cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
117 pinctrl-0 = <&pinctrl_ssc0_tx>;
121 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
123 compatible = "atmel,at45", "atmel,dataflash";
124 spi-max-frequency = <50000000>;
130 atmel,wakeup-counter = <10>;
131 atmel,wakeup-rtt-timer;
135 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
143 gpbr: syscon@fffffd50 {
151 nand_controller: nand-controller {
153 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
154 pinctrl-names = "default";
157 reg = <0x3 0x0 0x800000>;
158 rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
159 cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
160 nand-bus-width = <8>;
161 nand-ecc-mode = "soft";
163 label = "atmel_nand";
166 compatible = "fixed-partitions";
167 #address-cells = <1>;
171 label = "at91bootstrap";
177 reg = <0x20000 0x40000>;
181 label = "bareboxenv";
182 reg = <0x60000 0x20000>;
186 label = "bareboxenv2";
187 reg = <0x80000 0x20000>;
192 reg = <0xa0000 0x20000>;
197 reg = <0xc0000 0x400000>;
202 reg = <0x4c0000 0x7800000>;
207 reg = <0x7cc0000 0x8340000>;
224 compatible = "atmel,24c512";
226 vcc-supply = <®_3v3>;
230 compatible = "wm8731";
234 clocks = <&pmc PMC_TYPE_SYSTEM 8>;
235 clock-names = "mclk";
236 assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>;
237 assigned-clock-rates = <12000000>;
239 HPVDD-supply = <&vcc_dac>;
240 AVDD-supply = <&vcc_dac>;
241 DCVDD-supply = <®_3v3>;
242 DBVDD-supply = <®_3v3>;
247 compatible = "gpio-keys";
251 gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
252 linux,code = <0x103>;
258 gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
259 linux,code = <KEY_PROG1>;
265 compatible = "atmel,at91sam9g20ek-wm8731-audio";
266 pinctrl-names = "default";
267 pinctrl-0 = <&pinctrl_pck0_as_mck>;
269 atmel,model = "wm8731 @ AT91SAMG20EK";
271 atmel,audio-routing =
275 atmel,ssc-controller = <&ssc0>;
276 atmel,audio-codec = <&wm8731>;
279 reg_5v: fixedregulator0 {
280 compatible = "regulator-fixed";
281 regulator-name = "5V";
282 regulator-min-microvolt = <5000000>;
283 regulator-max-microvolt = <5000000>;
286 reg_3v3: fixedregulator1 {
287 compatible = "regulator-fixed";
288 regulator-name = "3V3";
289 vin-supply = <®_5v>;
290 regulator-min-microvolt = <3300000>;
291 regulator-max-microvolt = <3300000>;
294 reg_1v: fixedregulator2 {
295 compatible = "regulator-fixed";
296 regulator-name = "1V";
297 vin-supply = <®_5v>;
298 regulator-min-microvolt = <1000000>;
299 regulator-max-microvolt = <1000000>;
302 vcc_dac: fixedregulator3 {
303 compatible = "regulator-fixed";
304 regulator-name = "VCC_DAC";
305 vin-supply = <®_3v3>;
306 regulator-min-microvolt = <3300000>;
307 regulator-max-microvolt = <3300000>;