--- /dev/null
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * at91-sama5d29_curiosity.dts - Device Tree file for SAMA5D29 Curiosity board
+ *
+ * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Mihai Sain <mihai.sain@microchip.com>
+ *
+ */
+/dts-v1/;
+#include "sama5d29.dtsi"
+#include "sama5d2-pinfunc.h"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/mfd/atmel-flexcom.h>
+
+/ {
+ model = "Microchip SAMA5D29 Curiosity";
+ compatible = "microchip,sama5d29-curiosity", "atmel,sama5d29", "atmel,sama5d2", "atmel,sama5";
+
+ aliases {
+ serial0 = &uart0; // debug
+ serial1 = &uart1; // RPi
+ serial2 = &uart3; // mikro BUS 2
+ serial3 = &uart4; // mikro BUS 1
+ serial4 = &uart6; // flx1 Bluetooth
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
+ stdout-path = "serial0:115200n8";
+ };
+
+ clocks {
+ slow_xtal {
+ clock-frequency = <32768>;
+ };
+
+ main_xtal {
+ clock-frequency = <24000000>;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_key_gpio_default>;
+
+ button-1 {
+ label = "USER BUTTON";
+ gpios = <&pioA PIN_PA17 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_PROG1>;
+ wakeup-source;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_led_gpio_default>;
+ status = "okay";
+
+ led-red {
+ label = "red";
+ gpios = <&pioA PIN_PA7 GPIO_ACTIVE_HIGH>;
+ };
+
+ led-green {
+ label = "green";
+ gpios = <&pioA PIN_PA8 GPIO_ACTIVE_HIGH>;
+ };
+
+ led-blue {
+ label = "blue";
+ gpios = <&pioA PIN_PA9 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ memory@20000000 {
+ device_type = "memory";
+ reg = <0x20000000 0x20000000>;
+ };
+};
+
+&adc {
+ vddana-supply = <&vdd_3v3>;
+ vref-supply = <&vdd_3v3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
+ status = "okay";
+};
+
+&can0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can0_default>;
+ status = "okay";
+};
+
+&can1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can1_default>;
+ status = "okay";
+};
+
+&flx1 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
+ status = "okay";
+
+ uart6: serial@200 {
+ pinctrl-0 = <&pinctrl_flx1_default>;
+ pinctrl-names = "default";
+ atmel,use-dma-rx;
+ atmel,use-dma-tx;
+ status = "okay";
+ };
+};
+
+&flx4 {
+ atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
+ status = "okay";
+
+ spi6: spi@400 {
+ dmas = <0>, <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rpi_spi>;
+ status = "okay";
+ };
+};
+
+&i2c0 {
+ dmas = <0>, <0>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c0_default>;
+ pinctrl-1 = <&pinctrl_i2c0_gpio>;
+ sda-gpios = <&pioA PIN_PB31 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&pioA PIN_PC0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ i2c-sda-hold-time-ns = <350>;
+ status = "okay";
+
+ mcp16502@5b {
+ compatible = "microchip,mcp16502";
+ reg = <0x5b>;
+ status = "okay";
+ lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
+
+ regulators {
+ vdd_3v3: VDD_IO {
+ regulator-name = "VDD_IO";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-initial-mode = <2>;
+ regulator-allowed-modes = <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-mode = <4>;
+ };
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ regulator-mode = <4>;
+ };
+ };
+
+ vddio_ddr: VDD_DDR {
+ regulator-name = "VDD_DDR";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-initial-mode = <2>;
+ regulator-allowed-modes = <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1200000>;
+ regulator-changeable-in-suspend;
+ regulator-mode = <4>;
+ };
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1200000>;
+ regulator-changeable-in-suspend;
+ regulator-mode = <4>;
+ };
+ };
+
+ vdd_core: VDD_CORE {
+ regulator-name = "VDD_CORE";
+ regulator-min-microvolt = <1250000>;
+ regulator-max-microvolt = <1250000>;
+ regulator-initial-mode = <2>;
+ regulator-allowed-modes = <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-mode = <4>;
+ };
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ regulator-mode = <4>;
+ };
+ };
+
+ vdd_ddr: VDD_OTHER {
+ regulator-name = "VDD_OTHER";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-initial-mode = <2>;
+ regulator-allowed-modes = <2>, <4>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ regulator-changeable-in-suspend;
+ regulator-mode = <4>;
+ };
+
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ regulator-changeable-in-suspend;
+ regulator-mode = <4>;
+ };
+ };
+
+ LDO1 {
+ regulator-name = "LDO1";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ };
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ LDO2 {
+ regulator-name = "LDO2";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+
+ regulator-state-standby {
+ regulator-on-in-suspend;
+ };
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+ };
+};
+
+&i2c1 {
+ dmas = <0>, <0>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c1_default>;
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ i2c-analog-filter;
+ i2c-digital-filter;
+ i2c-digital-filter-width-ns = <35>;
+ sda-gpios = <&pioA PIN_PD4 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&pioA PIN_PD5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ status = "okay";
+};
+
+&pioA {
+ pinctrl_adc_default: adc-default {
+ pinmux = <PIN_PD25__GPIO>,
+ <PIN_PD26__GPIO>;
+ bias-disable;
+ };
+
+ pinctrl_adtrg_default: adtrg-default {
+ pinmux = <PIN_PD31__ADTRG>;
+ bias-pull-up;
+ };
+
+ pinctrl_can0_default: can0-default {
+ pinmux = <PIN_PC10__CANTX0>,
+ <PIN_PC11__CANRX0>;
+ bias-disable;
+ };
+
+ pinctrl_can1_default: can1-default {
+ pinmux = <PIN_PC26__CANTX1>,
+ <PIN_PC27__CANRX1>;
+ bias-disable;
+ };
+
+ pinctrl_debug_uart: debug-uart {
+ pinmux = <PIN_PB26__URXD0>,
+ <PIN_PB27__UTXD0>;
+ bias-disable;
+ };
+
+ pinctrl_flx1_default: flx1-default {
+ pinmux = <PIN_PA24__FLEXCOM1_IO0>,
+ <PIN_PA23__FLEXCOM1_IO1>,
+ <PIN_PA25__FLEXCOM1_IO3>,
+ <PIN_PA26__FLEXCOM1_IO4>;
+ bias-disable;
+ };
+
+ pinctrl_i2c0_default: i2c0-default {
+ pinmux = <PIN_PB31__TWD0>,
+ <PIN_PC0__TWCK0>;
+ bias-disable;
+ };
+
+ pinctrl_i2c0_gpio: i2c0-gpio-default {
+ pinmux = <PIN_PB31__GPIO>,
+ <PIN_PC0__GPIO>;
+ bias-disable;
+ };
+
+ pinctrl_i2c1_default: i2c1-default {
+ pinmux = <PIN_PD4__TWD1>,
+ <PIN_PD5__TWCK1>;
+ bias-disable;
+ };
+
+ pinctrl_i2c1_gpio: i2c1-gpio-default {
+ pinmux = <PIN_PD4__GPIO>,
+ <PIN_PD5__GPIO>;
+ bias-disable;
+ };
+
+ pinctrl_key_gpio_default: key-gpio-default {
+ pinmux = <PIN_PA17__GPIO>;
+ bias-pull-up;
+ };
+
+ pinctrl_led_gpio_default: led-gpio-default {
+ pinmux = <PIN_PA7__GPIO>,
+ <PIN_PA8__GPIO>,
+ <PIN_PA9__GPIO>;
+ bias-pull-up;
+ };
+
+ pinctrl_mikrobus1_pwm: mikrobus1-pwm {
+ pinmux = <PIN_PA31__PWML0>;
+ bias-disable;
+ };
+
+ pinctrl_mikrobus2_pwm: mikrobus2-pwm {
+ pinmux = <PIN_PB0__PWMH1>;
+ bias-disable;
+ };
+
+ pinctrl_mikrobus1_uart: mikrobus1-uart {
+ pinmux = <PIN_PB3__URXD4>,
+ <PIN_PB4__UTXD4>;
+ bias-disable;
+ };
+
+ pinctrl_mikrobus2_uart: mikrobus2-uart {
+ pinmux = <PIN_PB11__URXD3>,
+ <PIN_PB12__UTXD3>;
+ bias-disable;
+ };
+
+ pinctrl_qspi1_default: qspi1-default {
+ pinmux = <PIN_PB5__QSPI1_SCK>,
+ <PIN_PB6__QSPI1_CS>,
+ <PIN_PB7__QSPI1_IO0>,
+ <PIN_PB8__QSPI1_IO1>,
+ <PIN_PB9__QSPI1_IO2>,
+ <PIN_PB10__QSPI1_IO3>;
+ bias-disable;
+ };
+
+ pinctrl_rpi_spi: rpi-spi {
+ pinmux = <PIN_PD12__FLEXCOM4_IO0>,
+ <PIN_PD13__FLEXCOM4_IO1>,
+ <PIN_PD14__FLEXCOM4_IO2>,
+ <PIN_PD15__FLEXCOM4_IO3>,
+ <PIN_PD16__FLEXCOM4_IO4>;
+ bias-disable;
+ };
+
+ pinctrl_rpi_uart: rpi-uart {
+ pinmux = <PIN_PD2__URXD1>,
+ <PIN_PD3__UTXD1>;
+ bias-disable;
+ };
+
+ pinctrl_sdmmc0_default: sdmmc0-default {
+ pinmux = <PIN_PA0__SDMMC0_CK>,
+ <PIN_PA1__SDMMC0_CMD>,
+ <PIN_PA2__SDMMC0_DAT0>,
+ <PIN_PA3__SDMMC0_DAT1>,
+ <PIN_PA4__SDMMC0_DAT2>,
+ <PIN_PA5__SDMMC0_DAT3>,
+ <PIN_PA11__SDMMC0_VDDSEL>,
+ <PIN_PA13__SDMMC0_CD>;
+ bias-disable;
+ };
+
+ pinctrl_sdmmc1_default: sdmmc1-default {
+ pinmux = <PIN_PA18__SDMMC1_DAT0>,
+ <PIN_PA19__SDMMC1_DAT1>,
+ <PIN_PA20__SDMMC1_DAT2>,
+ <PIN_PA21__SDMMC1_DAT3>,
+ <PIN_PA22__SDMMC1_CK>,
+ <PIN_PA28__SDMMC1_CMD>,
+ <PIN_PA30__SDMMC1_CD>;
+ bias-disable;
+ };
+
+ pinctrl_spi1_default: spi1-default {
+ pinmux = <PIN_PC1__SPI1_SPCK>,
+ <PIN_PC2__SPI1_MOSI>,
+ <PIN_PC3__SPI1_MISO>,
+ <PIN_PC4__SPI1_NPCS0>,
+ <PIN_PC5__SPI1_NPCS1>,
+ <PIN_PC6__SPI1_NPCS2>,
+ <PIN_PC7__SPI1_NPCS3>;
+ bias-disable;
+ };
+
+ pinctrl_usb_default: usb-default {
+ pinmux = <PIN_PA6__GPIO>;
+ bias-disable;
+ };
+
+ pinctrl_usba_vbus: usba-vbus {
+ pinmux = <PIN_PB13__GPIO>;
+ bias-disable;
+ };
+};
+
+&pwm0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_mikrobus1_pwm &pinctrl_mikrobus2_pwm>;
+ status = "okay";
+};
+
+&qspi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_qspi1_default>;
+ status = "okay";
+
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <80000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ m25p,fast-read;
+ label = "atmel_qspi1";
+ status = "okay";
+
+ at91bootstrap@0 {
+ label = "at91bootstrap";
+ reg = <0x0 0x40000>;
+ };
+
+ bootloader@40000 {
+ label = "bootloader";
+ reg = <0x40000 0xc0000>;
+ };
+
+ bootloaderenvred@100000 {
+ label = "bootloader env redundant";
+ reg = <0x100000 0x40000>;
+ };
+
+ bootloaderenv@140000 {
+ label = "bootloader env";
+ reg = <0x140000 0x40000>;
+ };
+
+ dtb@180000 {
+ label = "device tree";
+ reg = <0x180000 0x80000>;
+ };
+
+ kernel@200000 {
+ label = "kernel";
+ reg = <0x200000 0x600000>;
+ };
+ };
+};
+
+&sdmmc0 {
+ bus-width = <4>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdmmc0_default>;
+ disable-wp;
+ status = "okay";
+};
+
+&sdmmc1 {
+ bus-width = <4>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdmmc1_default>;
+ disable-wp;
+ status = "okay";
+};
+
+&shutdown_controller {
+ debounce-delay-us = <976>;
+ atmel,wakeup-rtc-timer;
+
+ input@0 {
+ reg = <0>;
+ };
+};
+
+&spi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_spi1_default>;
+ status = "okay";
+};
+
+&tcb0 {
+ timer0: timer@0 {
+ compatible = "atmel,tcb-timer";
+ reg = <0>;
+ };
+
+ timer1: timer@1 {
+ compatible = "atmel,tcb-timer";
+ reg = <1>;
+ };
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_debug_uart>;
+ atmel,use-dma-rx;
+ atmel,use-dma-tx;
+ status = "okay";
+};
+
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rpi_uart>;
+ atmel,use-dma-rx;
+ atmel,use-dma-tx;
+ status = "okay";
+};
+
+&uart3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_mikrobus2_uart>;
+ atmel,use-dma-rx;
+ atmel,use-dma-tx;
+ status = "okay";
+};
+
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_mikrobus1_uart>;
+ atmel,use-dma-rx;
+ atmel,use-dma-tx;
+ status = "okay";
+};
+
+&usb0 {
+ atmel,vbus-gpio = <&pioA PIN_PB13 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usba_vbus>;
+ status = "okay";
+};
+
+&usb1 {
+ num-ports = <3>;
+ atmel,vbus-gpio = <0
+ &pioA PIN_PA6 GPIO_ACTIVE_HIGH
+ 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usb_default>;
+ status = "okay";
+};
+
+&usb2 {
+ status = "okay";
+};
+
+&watchdog {
+ status = "okay";
+};
projects / linux-2.6-microblaze.git / commitdiff