| // 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"; |
| }; |
