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// SPDX-License-Identifier: GPL-2.0-only
/*
* at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
*
* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*/
#include "at91sam9g20.dtsi"
#include <dt-bindings/input/input.h>
/ {
chosen {
bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
stdout-path = "serial0:115200n8";
};
memory@20000000 {
reg = <0x20000000 0x4000000>;
};
clocks {
slow_xtal {
clock-frequency = <32768>;
};
main_xtal {
clock-frequency = <18432000>;
};
};
ahb {
apb {
pinctrl@fffff400 {
board {
pinctrl_pck0_as_mck: pck0_as_mck {
atmel,pins =
<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
};
};
usb1 {
pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
atmel,pins =
<AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */
};
};
mmc0_slot1 {
pinctrl_board_mmc0_slot1: mmc0_slot1-board {
atmel,pins =
<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */
};
};
};
dbgu: serial@fffff200 {
status = "okay";
};
tcb0: timer@fffa0000 {
timer@0 {
compatible = "atmel,tcb-timer";
reg = <0>, <1>;
};
timer@2 {
compatible = "atmel,tcb-timer";
reg = <2>;
};
};
usart0: serial@fffb0000 {
pinctrl-0 =
<&pinctrl_usart0
&pinctrl_usart0_rts
&pinctrl_usart0_cts
&pinctrl_usart0_dtr_dsr
&pinctrl_usart0_dcd
&pinctrl_usart0_ri>;
status = "okay";
};
usart1: serial@fffb4000 {
status = "okay";
};
macb0: ethernet@fffc4000 {
phy-mode = "rmii";
status = "okay";
};
usb1: gadget@fffa4000 {
pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
pinctrl-names = "default";
atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
status = "okay";
};
mmc0: mmc@fffa8000 {
pinctrl-0 = <
&pinctrl_board_mmc0_slot1
&pinctrl_mmc0_clk
&pinctrl_mmc0_slot1_cmd_dat0
&pinctrl_mmc0_slot1_dat1_3>;
pinctrl-names = "default";
status = "okay";
slot@1 {
reg = <1>;
bus-width = <4>;
cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
};
};
ssc0: ssc@fffbc000 {
status = "okay";
pinctrl-0 = <&pinctrl_ssc0_tx>;
};
spi0: spi@fffc8000 {
cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
flash@1 {
compatible = "atmel,at45", "atmel,dataflash";
spi-max-frequency = <50000000>;
reg = <1>;
};
};
shdwc: poweroff@fffffd10 {
atmel,wakeup-counter = <10>;
atmel,wakeup-rtt-timer;
};
rtc@fffffd20 {
atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
status = "okay";
};
watchdog@fffffd40 {
status = "okay";
};
gpbr: syscon@fffffd50 {
status = "okay";
};
};
ebi: ebi@10000000 {
status = "okay";
nand_controller: nand-controller {
status = "okay";
pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
pinctrl-names = "default";
nand@3 {
reg = <0x3 0x0 0x800000>;
rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
nand-bus-width = <8>;
nand-ecc-mode = "soft";
nand-on-flash-bbt;
label = "atmel_nand";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
at91bootstrap@0 {
label = "at91bootstrap";
reg = <0x0 0x20000>;
};
barebox@20000 {
label = "barebox";
reg = <0x20000 0x40000>;
};
bareboxenv@60000 {
label = "bareboxenv";
reg = <0x60000 0x20000>;
};
bareboxenv2@80000 {
label = "bareboxenv2";
reg = <0x80000 0x20000>;
};
oftree@80000 {
label = "oftree";
reg = <0xa0000 0x20000>;
};
kernel@a0000 {
label = "kernel";
reg = <0xc0000 0x400000>;
};
rootfs@4a0000 {
label = "rootfs";
reg = <0x4c0000 0x7800000>;
};
data@7ca0000 {
label = "data";
reg = <0x7cc0000 0x8340000>;
};
};
};
};
};
usb0: ohci@500000 {
num-ports = <2>;
status = "okay";
};
};
i2c-gpio-0 {
status = "okay";
24c512@50 {
compatible = "atmel,24c512";
reg = <0x50>;
vcc-supply = <®_3v3>;
};
wm8731: wm8731@1b {
compatible = "wm8731";
reg = <0x1b>;
/* PCK0 at 12MHz */
clocks = <&pmc PMC_TYPE_SYSTEM 8>;
clock-names = "mclk";
assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>;
assigned-clock-rates = <12000000>;
HPVDD-supply = <&vcc_dac>;
AVDD-supply = <&vcc_dac>;
DCVDD-supply = <®_3v3>;
DBVDD-supply = <®_3v3>;
};
};
gpio-keys {
compatible = "gpio-keys";
button-3 {
label = "Button 3";
gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
linux,code = <0x103>;
wakeup-source;
};
button-4 {
label = "Button 4";
gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
linux,code = <KEY_PROG1>;
wakeup-source;
};
};
sound {
compatible = "atmel,at91sam9g20ek-wm8731-audio";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pck0_as_mck>;
atmel,model = "wm8731 @ AT91SAMG20EK";
atmel,audio-routing =
"Ext Spk", "LHPOUT",
"Int Mic", "MICIN";
atmel,ssc-controller = <&ssc0>;
atmel,audio-codec = <&wm8731>;
};
reg_5v: fixedregulator0 {
compatible = "regulator-fixed";
regulator-name = "5V";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
reg_3v3: fixedregulator1 {
compatible = "regulator-fixed";
regulator-name = "3V3";
vin-supply = <®_5v>;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
reg_1v: fixedregulator2 {
compatible = "regulator-fixed";
regulator-name = "1V";
vin-supply = <®_5v>;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
};
vcc_dac: fixedregulator3 {
compatible = "regulator-fixed";
regulator-name = "VCC_DAC";
vin-supply = <®_3v3>;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
};
|
