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