1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board
5 * Copyright (C) 2012 Atmel,
6 * 2012 Hong Xu <hong.xu@atmel.com>
9 #include "at91sam9n12.dtsi"
12 model = "Atmel AT91SAM9N12-EK";
13 compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9";
16 bootargs = "root=/dev/mtdblock1 rw rootfstype=jffs2";
17 stdout-path = "serial0:115200n8";
21 reg = <0x20000000 0x8000000>;
26 clock-frequency = <32768>;
30 clock-frequency = <16000000>;
36 dbgu: serial@fffff200 {
44 tcb0: timer@f8008000 {
46 compatible = "atmel,tcb-timer";
51 compatible = "atmel,tcb-timer";
60 compatible = "wlf,wm8904";
62 clocks = <&pmc PMC_TYPE_SYSTEM 8>;
67 compatible = "qt1070";
69 interrupt-parent = <&pioA>;
70 interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
71 pinctrl-names = "default";
72 pinctrl-0 = <&pinctrl_qt1070_irq>;
79 &pinctrl_mmc0_slot0_clk_cmd_dat0
80 &pinctrl_mmc0_slot0_dat1_3>;
85 cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
91 pinctrl_board_mmc0: mmc0-board {
93 <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PA7 gpio CD pin pull up and deglitch */
98 pinctrl_qt1070_irq: qt1070_irq {
100 <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
105 pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
107 <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
112 pinctrl_usb1_vbus_sense: usb1_vbus_sense {
114 <AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PB16 gpio usb vbus sense, no pull up and deglitch */
121 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
123 compatible = "atmel,at25df321a";
124 spi-max-frequency = <50000000>;
129 hlcdc: hlcdc@f8038000 {
132 hlcdc-display-controller {
133 pinctrl-names = "default";
134 pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
137 hlcdc_panel_output: endpoint@0 {
139 remote-endpoint = <&panel_input>;
145 usb1: gadget@f803c000 {
146 pinctrl-names = "default";
147 pinctrl-0 = <&pinctrl_usb1_vbus_sense>;
148 atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
164 nand_controller: nand-controller {
166 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
167 pinctrl-names = "default";
170 reg = <0x3 0x0 0x800000>;
171 rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
172 cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
173 nand-bus-width = <8>;
174 nand-ecc-mode = "soft";
175 nand-ecc-strength = <2>;
176 nand-ecc-step-size = <512>;
178 label = "atmel_nand";
185 atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
190 backlight: backlight {
191 compatible = "pwm-backlight";
192 pwms = <&hlcdc_pwm 0 50000 0>;
193 brightness-levels = <0 4 8 16 32 64 128 255>;
194 default-brightness-level = <6>;
195 power-supply = <&bl_reg>;
199 bl_reg: backlight_regulator {
200 compatible = "regulator-fixed";
201 regulator-name = "backlight-power-supply";
202 regulator-min-microvolt = <5000000>;
203 regulator-max-microvolt = <5000000>;
208 compatible = "gpio-leds";
212 gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
213 linux,default-trigger = "mmc0";
218 gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
219 linux,default-trigger = "nand-disk";
224 gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
225 linux,default-trigger = "heartbeat";
230 compatible = "gpio-keys";
234 gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
241 compatible = "qiaodian,qd43003c0-40";
242 backlight = <&backlight>;
243 power-supply = <&panel_reg>;
244 #address-cells = <1>;
250 #address-cells = <1>;
253 panel_input: endpoint@0 {
255 remote-endpoint = <&hlcdc_panel_output>;
260 panel_reg: panel_regulator {
261 compatible = "regulator-fixed";
262 regulator-name = "panel-power-supply";
263 regulator-min-microvolt = <3300000>;
264 regulator-max-microvolt = <3300000>;
269 compatible = "atmel,asoc-wm8904";
270 pinctrl-names = "default";
271 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
273 atmel,model = "wm8904 @ AT91SAM9N12";
274 atmel,audio-routing =
275 "Headphone Jack", "HPOUTL",
276 "Headphone Jack", "HPOUTR",
277 "IN2L", "Line In Jack",
278 "IN2R", "Line In Jack",
282 atmel,ssc-controller = <&ssc0>;
283 atmel,audio-codec = <&wm8904>;