325 lines
7.2 KiB
Plaintext
325 lines
7.2 KiB
Plaintext
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* at91-sam9x75_curiosity.dts - Device Tree file for Microchip SAM9X75 Curiosity board
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*
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* Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
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*
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* Author: Varshini Rajendran <varshini.rajendran@microchip.com>
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*/
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/dts-v1/;
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#include "sam9x7.dtsi"
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#include <dt-bindings/input/input.h>
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/ {
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model = "Microchip SAM9X75 Curiosity";
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compatible = "microchip,sam9x75-curiosity", "microchip,sam9x7", "atmel,at91sam9";
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aliases {
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i2c0 = &i2c6;
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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";
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gpios = <&pioC 9 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_0>;
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wakeup-source;
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};
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};
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led-controller {
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compatible = "gpio-leds";
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led_red: led-red {
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label = "red";
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gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
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pinctrl-0 = <&pinctrl_red_led_gpio_default>;
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};
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led_green: led-green {
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label = "green";
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gpios = <&pioC 21 GPIO_ACTIVE_HIGH>;
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pinctrl-0 = <&pinctrl_green_led_gpio_default>;
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};
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led_blue: led-blue {
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label = "blue";
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gpios = <&pioC 20 GPIO_ACTIVE_HIGH>;
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pinctrl-0 = <&pinctrl_blue_led_gpio_default>;
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linux,default-trigger = "heartbeat";
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};
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};
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memory@20000000 {
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reg = <0x20000000 0x10000000>;
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device_type = "memory";
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};
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};
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&classd {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_classd_default>;
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atmel,pwm-type = "diff";
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atmel,non-overlap-time = <10>;
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status = "okay";
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};
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&dbgu {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_dbgu_default>;
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status = "okay";
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};
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&dma0 {
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status = "okay";
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};
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&flx6 {
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atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
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status = "okay";
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};
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&i2c6 {
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_flx6_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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pmic@5b {
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compatible = "microchip,mcp16502";
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reg = <0x5b>;
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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-mode = <4>;
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};
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regulator-state-mem {
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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-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-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-mode = <4>;
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};
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regulator-state-mem {
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regulator-mode = <4>;
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};
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};
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dcdc4: VDD_OTHER {
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regulator-name = "VDD_OTHER";
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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-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-mode = <4>;
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};
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regulator-state-mem {
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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 = <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-on-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 = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-state-standby {
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regulator-on-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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&i2s {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2s_default>;
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#sound-dai-cells = <0>;
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status = "okay";
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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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&pinctrl {
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classd {
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pinctrl_classd_default: classd-default {
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atmel,pins =
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<AT91_PIOA 18 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>,
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<AT91_PIOA 19 AT91_PERIPH_C AT91_PINCTRL_PULL_DOWN>;
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};
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};
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dbgu {
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pinctrl_dbgu_default: dbgu-default {
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atmel,pins = <AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
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<AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_NONE>;
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};
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};
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flexcom {
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pinctrl_flx6_default: flx6-default {
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atmel,pins =
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<AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
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<AT91_PIOA 25 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
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};
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};
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gpio-keys {
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pinctrl_key_gpio_default: key-gpio-default {
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atmel,pins = <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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};
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};
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i2s {
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pinctrl_i2s_default: i2s-default {
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atmel,pins =
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<AT91_PIOB 26 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SCK */
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<AT91_PIOB 15 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SWS */
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<AT91_PIOB 16 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SDIN */
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<AT91_PIOB 17 AT91_PERIPH_D AT91_PINCTRL_NONE>, /* I2SDOUT */
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<AT91_PIOB 25 AT91_PERIPH_D AT91_PINCTRL_NONE>; /* I2SMCK */
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};
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};
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led-controller {
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pinctrl_red_led_gpio_default: red-led-gpio-default {
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atmel,pins = <AT91_PIOC 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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};
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pinctrl_green_led_gpio_default: green-led-gpio-default {
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atmel,pins = <AT91_PIOC 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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};
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pinctrl_blue_led_gpio_default: blue-led-gpio-default {
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atmel,pins = <AT91_PIOC 20 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
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};
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};
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sdmmc0 {
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pinctrl_sdmmc0_default: sdmmc0-default {
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atmel,pins =
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<AT91_PIOA 2 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA2 CK periph A with pullup */
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<AT91_PIOA 1 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA1 CMD periph A with pullup */
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<AT91_PIOA 0 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA0 DAT0 periph A */
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<AT91_PIOA 3 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA3 DAT1 periph A with pullup */
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<AT91_PIOA 4 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>, /* PA4 DAT2 periph A with pullup */
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<AT91_PIOA 5 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>; /* PA5 DAT3 periph A with pullup */
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};
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};
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}; /* pinctrl */
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&poweroff {
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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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&rtt {
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atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
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};
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&sdmmc0 {
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bus-width = <4>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sdmmc0_default>;
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cd-gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
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disable-wp;
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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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&tcb {
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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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&watchdog {
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status = "okay";
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};
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