527 lines
10 KiB
Plaintext
527 lines
10 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* at91-sama7g54_curiosity.dts - Device Tree file for SAMA7G54 Curiosity Board
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*
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* Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
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*
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* Author: Mihai Sain <mihai.sain@microchip.com>
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*
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*/
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/dts-v1/;
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#include "sama7g5-pinfunc.h"
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#include "sama7g5.dtsi"
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/leds/common.h>
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#include <dt-bindings/mfd/atmel-flexcom.h>
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#include <dt-bindings/pinctrl/at91.h>
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/ {
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model = "Microchip SAMA7G54 Curiosity";
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compatible = "microchip,sama7g54-curiosity", "microchip,sama7g5", "microchip,sama7";
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aliases {
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serial0 = &uart3;
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i2c0 = &i2c10;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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gpio-keys {
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compatible = "gpio-keys";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_key_gpio_default>;
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button-user {
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label = "user-button";
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gpios = <&pioA PIN_PD19 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_PROG1>;
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wakeup-source;
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};
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};
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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_led_gpio_default>;
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led-red {
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color = <LED_COLOR_ID_RED>;
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function = LED_FUNCTION_POWER;
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gpios = <&pioA PIN_PD13 GPIO_ACTIVE_HIGH>;
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default-state = "off";
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};
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led-green {
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color = <LED_COLOR_ID_GREEN>;
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function = LED_FUNCTION_BOOT;
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gpios = <&pioA PIN_PD14 GPIO_ACTIVE_HIGH>;
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default-state = "off";
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};
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led-blue {
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color = <LED_COLOR_ID_BLUE>;
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function = LED_FUNCTION_CPU;
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gpios = <&pioA PIN_PB15 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "heartbeat";
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};
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};
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memory@60000000 {
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device_type = "memory";
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reg = <0x60000000 0x10000000>; /* 256 MiB DDR3L-1066 16-bit */
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};
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reg_5v: regulator-5v {
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compatible = "regulator-fixed";
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regulator-name = "5V_MAIN";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-always-on;
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};
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};
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&adc {
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vddana-supply = <&vddout25>;
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vref-supply = <&vddout25>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_mikrobus1_an_default &pinctrl_mikrobus2_an_default>;
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status = "okay";
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};
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&cpu0 {
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cpu-supply = <&vddcpu>;
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};
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&dma0 {
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status = "okay";
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};
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&dma1 {
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status = "okay";
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};
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&dma2 {
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status = "okay";
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};
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&ebi {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_nand_default>;
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status = "okay";
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nand_controller: nand-controller {
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status = "okay";
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nand@3 {
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reg = <0x3 0x0 0x800000>;
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atmel,rb = <0>;
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nand-bus-width = <8>;
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nand-ecc-mode = "hw";
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nand-ecc-strength = <8>;
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nand-ecc-step-size = <512>;
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nand-on-flash-bbt;
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label = "nand";
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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at91bootstrap@0 {
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label = "nand: at91bootstrap";
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reg = <0x0 0x40000>;
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};
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bootloader@40000 {
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label = "nand: u-boot";
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reg = <0x40000 0x100000>;
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};
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bootloaderenv@140000 {
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label = "nand: u-boot env";
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reg = <0x140000 0x40000>;
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};
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dtb@180000 {
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label = "nand: device tree";
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reg = <0x180000 0x80000>;
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};
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kernel@200000 {
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label = "nand: kernel";
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reg = <0x200000 0x600000>;
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};
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rootfs@800000 {
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label = "nand: rootfs";
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reg = <0x800000 0x1f800000>;
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};
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};
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};
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};
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};
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&flx3 {
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atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
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status = "okay";
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uart3: serial@200 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_flx3_default>;
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status = "okay";
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};
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};
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&flx10 {
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atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
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status = "okay";
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i2c10: i2c@600 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_flx10_default>;
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i2c-analog-filter;
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i2c-digital-filter;
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i2c-digital-filter-width-ns = <35>;
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status = "okay";
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power-monitor@1f {
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compatible = "microchip,pac1934";
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reg = <0x1f>;
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#address-cells = <1>;
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#size-cells = <0>;
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channel@1 {
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reg = <0x1>;
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shunt-resistor-micro-ohms = <47000>;
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label = "VDD3V3";
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};
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channel@2 {
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reg = <0x2>;
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shunt-resistor-micro-ohms = <47000>;
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label = "VDDIODDR";
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};
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channel@3 {
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reg = <0x3>;
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shunt-resistor-micro-ohms = <47000>;
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label = "VDDCORE";
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};
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channel@4 {
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reg = <0x4>;
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shunt-resistor-micro-ohms = <47000>;
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label = "VDDCPU";
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};
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};
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eeprom@51 {
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compatible = "atmel,24c02";
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reg = <0x51>;
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pagesize = <16>;
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size = <256>;
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vcc-supply = <&vdd_3v3>;
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};
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pmic@5b {
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compatible = "microchip,mcp16502";
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reg = <0x5b>;
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lvin-supply = <®_5v>;
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pvin1-supply = <®_5v>;
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pvin2-supply = <®_5v>;
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pvin3-supply = <®_5v>;
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pvin4-supply = <®_5v>;
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regulators {
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vdd_3v3: VDD_IO {
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regulator-name = "VDD_IO";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-initial-mode = <2>;
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regulator-allowed-modes = <2>, <4>;
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regulator-always-on;
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regulator-state-standby {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <3300000>;
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regulator-mode = <4>;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-mode = <4>;
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};
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};
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vddioddr: VDD_DDR {
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regulator-name = "VDD_DDR";
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regulator-min-microvolt = <1350000>;
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regulator-max-microvolt = <1350000>;
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regulator-initial-mode = <2>;
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regulator-allowed-modes = <2>, <4>;
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regulator-always-on;
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regulator-state-standby {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1350000>;
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regulator-mode = <4>;
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};
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1350000>;
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regulator-mode = <4>;
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};
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};
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vddcore: VDD_CORE {
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regulator-name = "VDD_CORE";
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regulator-min-microvolt = <1150000>;
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regulator-max-microvolt = <1150000>;
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regulator-initial-mode = <2>;
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regulator-allowed-modes = <2>, <4>;
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regulator-always-on;
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regulator-state-standby {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1150000>;
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regulator-mode = <4>;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-mode = <4>;
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};
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};
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vddcpu: VDD_OTHER {
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regulator-name = "VDD_OTHER";
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regulator-min-microvolt = <1050000>;
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regulator-max-microvolt = <1250000>;
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regulator-initial-mode = <2>;
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regulator-allowed-modes = <2>, <4>;
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regulator-ramp-delay = <3125>;
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regulator-always-on;
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regulator-state-standby {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1050000>;
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regulator-mode = <4>;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-mode = <4>;
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};
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};
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vldo1: LDO1 {
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regulator-name = "LDO1";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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regulator-state-standby {
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regulator-suspend-microvolt = <1800000>;
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regulator-on-in-suspend;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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vldo2: LDO2 {
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regulator-name = "LDO2";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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regulator-state-standby {
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regulator-suspend-microvolt = <3300000>;
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regulator-on-in-suspend;
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};
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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};
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};
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};
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};
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&main_xtal {
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clock-frequency = <24000000>;
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};
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&qspi1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_qspi1_default>;
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status = "okay";
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0x0>;
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spi-max-frequency = <100000000>;
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spi-tx-bus-width = <4>;
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spi-rx-bus-width = <4>;
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m25p,fast-read;
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};
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};
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&pioA {
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pinctrl_flx3_default: flx3-default {
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pinmux = <PIN_PD16__FLEXCOM3_IO0>,
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<PIN_PD17__FLEXCOM3_IO1>;
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bias-pull-up;
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};
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pinctrl_flx10_default: flx10-default {
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pinmux = <PIN_PC30__FLEXCOM10_IO0>,
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<PIN_PC31__FLEXCOM10_IO1>;
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bias-pull-up;
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};
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pinctrl_key_gpio_default: key-gpio-default {
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pinmux = <PIN_PD19__GPIO>;
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bias-pull-up;
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};
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pinctrl_led_gpio_default: led-gpio-default {
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pinmux = <PIN_PD13__GPIO>,
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<PIN_PD14__GPIO>,
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<PIN_PB15__GPIO>;
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bias-pull-up;
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};
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pinctrl_mikrobus1_an_default: mikrobus1-an-default {
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pinmux = <PIN_PC15__GPIO>;
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bias-disable;
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};
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pinctrl_mikrobus2_an_default: mikrobus2-an-default {
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pinmux = <PIN_PC13__GPIO>;
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bias-disable;
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};
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pinctrl_nand_default: nand-default {
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pinmux = <PIN_PD9__D0>,
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<PIN_PD10__D1>,
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<PIN_PD11__D2>,
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<PIN_PC21__D3>,
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<PIN_PC22__D4>,
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<PIN_PC23__D5>,
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<PIN_PC24__D6>,
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<PIN_PD2__D7>,
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<PIN_PD3__NANDRDY>,
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<PIN_PD4__NCS3_NANDCS>,
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<PIN_PD5__NWE_NWR0_NANDWE>,
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<PIN_PD6__NRD_NANDOE>,
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<PIN_PD7__A21_NANDALE>,
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<PIN_PD8__A22_NANDCLE>;
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bias-disable;
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slew-rate = <0>;
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};
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pinctrl_qspi1_default: qspi1-default {
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pinmux = <PIN_PB22__QSPI1_IO3>,
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<PIN_PB23__QSPI1_IO2>,
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<PIN_PB24__QSPI1_IO1>,
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<PIN_PB25__QSPI1_IO0>,
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<PIN_PB26__QSPI1_CS>,
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<PIN_PB27__QSPI1_SCK>;
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bias-pull-up;
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slew-rate = <0>;
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};
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pinctrl_sdmmc0_default: sdmmc0-default {
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pinmux = <PIN_PA0__SDMMC0_CK>,
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<PIN_PA1__SDMMC0_CMD>,
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<PIN_PA2__SDMMC0_RSTN>,
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<PIN_PA3__SDMMC0_DAT0>,
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<PIN_PA4__SDMMC0_DAT1>,
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<PIN_PA5__SDMMC0_DAT2>,
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<PIN_PA6__SDMMC0_DAT3>;
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bias-pull-up;
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slew-rate = <0>;
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};
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pinctrl_sdmmc1_default: sdmmc1-default {
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pinmux = <PIN_PB29__SDMMC1_CMD>,
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<PIN_PB30__SDMMC1_CK>,
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<PIN_PB31__SDMMC1_DAT0>,
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<PIN_PC0__SDMMC1_DAT1>,
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<PIN_PC1__SDMMC1_DAT2>,
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<PIN_PC2__SDMMC1_DAT3>,
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<PIN_PC4__SDMMC1_CD>;
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bias-pull-up;
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slew-rate = <0>;
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};
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};
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&rtt {
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atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
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};
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/* M.2 slot for wireless card */
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&sdmmc0 {
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bus-width = <4>;
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cd-gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
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disable-wp;
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sdhci-caps-mask = <0x0 0x00200000>;
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vmmc-supply = <&vdd_3v3>;
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vqmmc-supply = <&vdd_3v3>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sdmmc0_default>;
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status = "okay";
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};
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/* micro SD socket */
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&sdmmc1 {
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bus-width = <4>;
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disable-wp;
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sdhci-caps-mask = <0x0 0x00200000>;
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vmmc-supply = <&vdd_3v3>;
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vqmmc-supply = <&vdd_3v3>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sdmmc1_default>;
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status = "okay";
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};
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&slow_xtal {
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clock-frequency = <32768>;
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};
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&shdwc {
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debounce-delay-us = <976>;
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status = "okay";
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input@0 {
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reg = <0>;
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};
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};
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&tcb0 {
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timer0: timer@0 {
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compatible = "atmel,tcb-timer";
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reg = <0>;
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};
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timer1: timer@1 {
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compatible = "atmel,tcb-timer";
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reg = <1>;
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};
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};
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&trng {
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status = "okay";
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};
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&vddout25 {
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vin-supply = <&vdd_3v3>;
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status = "okay";
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};
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