2.3 Configure LAN8651 Support on SAM E54 Xplained Pro Evaluation Kit Target

/*
* Copyright (c) 2019 Benjamin Valentin 
# Copyright (c) 2024-2025 Gerson Fernando Budke <nandojve@gmail.com> 
* 
* SPDX-License-Identifier: Apache-2.0 
*/

/dts-v1/;
#include <atmel/same5xx20.dtsi>
#include "same54_xpro-pinctrl.dtsi" 
#include <zephyr/dt-bindings/input/input-event-codes.h> 

/ {
    model = "SAM E54 Xplained Pro";
    compatible = "same54,xpro", "atmel,same54p20a", "atmel,same54";
 
    chosen { 
        zephyr,console = &sercom2; 
        zephyr,shell-uart = &sercom2; 
        zephyr,sram = &sram0; 
        zephyr,flash = &flash0; 
    }; 

    /* These aliases are provided for compatibility with samples */ 
    aliases { 
        led0 = &led0; 
        pwm-led0 = &pwm_led0; 
        sw0 = &button0; 
        i2c-0 = &sercom7; 
    }; 

    leds { 
        compatible = "gpio-leds"; 
        led0: led_0 { 
            gpios = <&portc 18 GPIO_ACTIVE_LOW>; 
            label = "Yellow LED"; 
        }; 
    }; 

    pwmleds { 
        compatible = "pwm-leds"; 
        pwm_led0: pwm_led_0 { 
            pwms = <&tcc0 2 PWM_MSEC(20)>; 
        }; 
    }; 

    buttons { 
        compatible = "gpio-keys"; 
        button0: button_0 { 
            gpios = <&portb 31 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>; 
            label = "SW0"; 
            zephyr,code = <INPUT_KEY_0>; 
        }; 
    }; 
}; 

&cpu0 { 
    clock-frequency = <120000000>; 
}; 

&tcc0 { 
    status = "okay"; 
    compatible = "atmel,sam0-tcc-pwm"; 
    /* Gives a maximum period of 1.1s for 120MHz main clock */ 
    prescaler = <8>; 
    #pwm-cells = <2>; 

    pinctrl-0 = <&pwm_default>; 
    pinctrl-names = "default"; 
}; 

&rtc { 
    status = "okay"; 
    counter-mode = "clock"; 
    prescaler = <1024>; 

    atmel,assigned-clocks = <&osc32kctrl 4>; 
}; 

&sercom2 { 
    status = "okay"; 
    compatible = "atmel,sam0-uart"; 
    current-speed = <115200>;  
    rxpo = <1>; 
    txpo = <0>; 
    #address-cells = <1>; 
    #size-cells = <0>; 

    pinctrl-0 = <&sercom2_uart_default>; 
    pinctrl-names = "default"; 
}; 

&dmac { 
    status = "okay"; 
}; 

&sercom4 { 
    status = "okay"; 
    compatible = "atmel,sam0-spi"; 
    dipo = <3>; dopo = <0>; 
    #address-cells = <1>; 
    #size-cells = <0>; 

    pinctrl-0 = <&sercom4_spi_default>; 
    pinctrl-names = "default"; 

    cs-gpios = <&portb 28 GPIO_ACTIVE_LOW>; 

    /* Configure DMA */ 
    dmas = <&dmac 0 12>, <&dmac 1 13>; 
    dma-names = "rx", "tx"; 

    lan8651: lan8651@0 { 
       compatible = "microchip,lan865x"; 
       reg = <0>; 
       int-gpios = <&portb 7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;  
       rst-gpios = <&porta 6 GPIO_ACTIVE_LOW>; 
       local-mac-address = [14 15 16 11 12 13]; 
       spi-max-frequency = <20000000>; 
       status = "okay"; 
           lan865x_mdio: lan865x_mdio { 
               compatible = "microchip,lan865x-mdio"; 
               status = "okay"; 
               #address-cells = <1>; 
               #size-cells = <0>; 
               ethernet-phy@0 { 
                   compatible = "microchip,t1s-phy"; 
                   reg = <0x0>; 
                   plca-enable; 
                   plca-node-id = <0>; 
                   plca-node-count = <8>; 
                   plca-burst-count = <0>; 
                   plca-burst-timer = <0x80>; 
                   plca-to-timer = <0x20>; 
                   status = "okay"; 
               }; 
           }; 
       }; 
}; 

&sercom7 { 
    status = "okay"; 
    compatible = "atmel,sam0-i2c"; 
    clock-frequency = <I2C_BITRATE_FAST>; 
    #address-cells = <1>; 
    #size-cells = <0>; 

    pinctrl-0 = <&sercom7_i2c_default>; 
    pinctrl-names = "default"; 

    eeprom: eeprom@5e { 
        compatible = "atmel,24mac402"; 
        reg = <0x5e>; 
    }; 
}; 

&adc0 { 
    status = "okay"; 
}; 

zephyr_udc0: &usb0 { 
    status = "okay"; 

    pinctrl-0 = <&usb_dc_default>; 
    pinctrl-names = "default"; 
}; 

&gmac { 
    status = "disabled"; 

    pinctrl-0 = <&gmac_rmii>; 
    pinctrl-names = "default"; 

    mac-eeprom = <&eeprom>; 
    phy-handle = <&phy>; 
}; 

&mdio { 
    status = "disabled"; 

    pinctrl-0 = <&mdio_default>; 
    pinctrl-names = "default"; 

    phy: ethernet-phy@0 { 
        compatible = "ethernet-phy"; 
        status = "disabled"; 
        reg = <0>; 
    }; 
}; 

&flash0 { 
    partitions { 
        compatible = "fixed-partitions"; 
        #address-cells = <1>; 
        #size-cells = <1>; 

        /* 
        * The final 16 KiB is reserved for the application. 
        * Storage partition will be used by FCB/LittleFS/NVS 
        * if enabled. 
        */ 
        storage_partition: partition@fc000 { 
            label = "storage"; 
            reg = <0x000fc000 0x00004000>; 
        }; 
    }; 
};