// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * at91-sam9x75_curiosity.dts - Device Tree file for Microchip SAM9X75 Curiosity board
 *
 * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
 *
 * Author: Varshini Rajendran <varshini.rajendran@microchip.com>
 */
/dts-v1/;
#include "sam9x7.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Microchip SAM9X75 Curiosity";
	compatible = "microchip,sam9x75-curiosity", "microchip,sam9x7", "atmel,at91sam9";

	aliases {
		i2c0 = &i2c6;
		i2c7 = &i2c7;
		serial1 = &uart1;
		can0 = &can0;
		can1 = &can1;
		serial5 = &uart5; /* TX not working */

	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_key_gpio_default>;

		button-user {
			label = "USER";
			gpios = <&pioC 9 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_0>;
			wakeup-source;
		};
	};

	led-controller {
		compatible = "gpio-leds";

		led_red: led-red {
			label = "red";
			gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
			pinctrl-0 = <&pinctrl_red_led_gpio_default>;
		};

		led_green: led-green {
			label = "green";
			gpios = <&pioC 21 GPIO_ACTIVE_HIGH>;
			pinctrl-0 = <&pinctrl_green_led_gpio_default>;
		};

		led_blue: led-blue {
			label = "blue";
			gpios = <&pioC 20 GPIO_ACTIVE_HIGH>;
			pinctrl-0 = <&pinctrl_blue_led_gpio_default>;
			linux,default-trigger = "heartbeat";
		};
	};

	memory@20000000 {
		reg = <0x20000000 0x10000000>;
		device_type = "memory";
	};

	cc33xx_en_reg: fixedregulator@1 {
		compatible = "regulator-fixed";
		regulator-name = "cc33xx-en-regulator";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		gpio = <&pioA 21 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&classd {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_classd_default>;
	atmel,pwm-type = "single";
	atmel,non-overlap-time = <20>;
	status = "okay";
};

&adc {
	vddana-supply = <&vdd_3v3>;
	vref-supply = <&vdd_3v3>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
	status = "okay";
};

&dbgu {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_dbgu_default>;
	status = "okay";
};

&flx5 {
	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
	status = "okay";
};

&uart5 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flx5_uart5_default>;
	status = "okay";
	
	/*
	bluetooth {
        	compatible = "ti,cc33xx-bt";
        	cc33xx-supply = <&cc33xx_en_reg>;
        	max-speed = <115200>;
    	};
    	*/
};

/*
&can0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_can0>;
};
*/

&can1 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_can1>;
};


&dma0 {
	status = "okay";
};

&ebi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ebi_addr_nand &pinctrl_ebi_data_0_7>;
	status = "okay";

	nand_controller: nand-controller {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_nand_oe_we &pinctrl_nand_cs &pinctrl_nand_rb>;
		status = "okay";

		nand@2 {
			reg = <0x2 0x0 0x800000>;
			rb-gpios = <&pioD 14 GPIO_ACTIVE_HIGH>;
			cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
			nand-bus-width = <8>;
			nand-ecc-mode = "hw";
			nand-ecc-strength = <8>;
			nand-ecc-step-size = <512>;
			nand-on-flash-bbt;
			label = "atmel_nand";
		};
	};
};

&ehci0 {
	status = "okay";
};

/*
&flx1 {
	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
	status = "okay";

	uart1: serial@200 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_flx1_usart_default>;
		status = "okay";
	};
};
*/

&flx6 {
	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
	status = "okay";
};

&i2c6 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flx6_default>;
	i2c-analog-filter;
	i2c-digital-filter;
	i2c-digital-filter-width-ns = <35>;
	status = "okay";

	pmic@5b {
		compatible = "microchip,mcp16502";
		reg = <0x5b>;

		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-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-mode = <4>;
				};

				regulator-state-mem {
					regulator-on-in-suspend;
					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-mode = <4>;
				};

				regulator-state-mem {
					regulator-mode = <4>;
				};
			};

			dcdc4: VDD_OTHER {
				regulator-name = "VDD_OTHER";
				regulator-min-microvolt = <1150000>;
				regulator-max-microvolt = <1150000>;
				regulator-initial-mode = <2>;
				regulator-allowed-modes = <2>, <4>;
				regulator-ramp-delay = <3125>;
				regulator-always-on;

				regulator-state-standby {
					regulator-on-in-suspend;
					regulator-mode = <4>;
				};

				regulator-state-mem {
					regulator-mode = <4>;
				};
			};

			vldo1: LDO1 {
				regulator-name = "LDO1";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;

				regulator-state-standby {
					regulator-on-in-suspend;
				};
			};

			vldo2: LDO2 {
				regulator-name = "LDO2";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;

				regulator-state-standby {
					regulator-on-in-suspend;
				};
			};
		};
	};
};

&flx7 {
	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
	status = "okay";
};

&i2c7 {
	dmas = <0>, <0>;
	i2c-analog-filter;
	i2c-digital-filter;
	i2c-digital-filter-width-ns = <35>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flx7_default>;
	status = "okay";

	power-monitor@10 {
		compatible = "microchip,pac1934";
		reg = <0x10>;
		#address-cells = <1>;
		#size-cells = <0>;

		channel@1 {
			reg = <0x1>;
			shunt-resistor-micro-ohms = <10000>;
			label = "VDD3V3";
		};

		channel@2 {
			reg = <0x2>;
			shunt-resistor-micro-ohms = <10000>;
			label = "DCDC4";
		};

		channel@3 {
			reg = <0x3>;
			shunt-resistor-micro-ohms = <10000>;
			label = "VDDCORE";
		};

		channel@4 {
			reg = <0x4>;
			shunt-resistor-micro-ohms = <10000>;
			label = "VDDIODDR";
		};
	};
};

&i2s {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2s_default>;
	#sound-dai-cells = <0>;
	status = "disabled";
};

&main_xtal {
	clock-frequency = <24000000>;
};

&ohci0 {
	num-ports = <3>;
	atmel,vbus-gpio = <0
			   &pioC 27 GPIO_ACTIVE_HIGH
			   &pioC 31 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usb_default>;
	status = "okay";
};

&pinctrl {
	classd {
		pinctrl_classd_default: classd-default {
			atmel,pins =
				<AT91_PIOA 18 AT91_PERIPH_C (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_SLEWRATE_DIS)>,
				<AT91_PIOA 19 AT91_PERIPH_C (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_SLEWRATE_DIS)>;
		};
	};
	/*
	can0 {
		pinctrl_can0: can0-pins {
			atmel,pins = <
			AT91_PIOA 26 AT91_PERIPH_B AT91_PINCTRL_NONE // CAN0_RX
			AT91_PIOA 27 AT91_PERIPH_B AT91_PINCTRL_NONE // CAN0_TX
			>;
		};
	};
	*/

	can1 {
		pinctrl_can1: can1-pins {
			atmel,pins = <
			AT91_PIOA 29 AT91_PERIPH_B AT91_PINCTRL_NONE /* CAN1_RX */
			AT91_PIOA 28 AT91_PERIPH_B AT91_PINCTRL_NONE /* CAN1_TX */
			>;
		};
	};

	adc {
		pinctrl_adc_default: adc-default {
			atmel,pins = <AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_NONE>;
		};

		pinctrl_adtrg_default: adtrg-default {
			atmel,pins = <AT91_PIOB 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;
		};
	};

	dbgu {
		pinctrl_dbgu_default: dbgu-default {
			atmel,pins = <AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
				     <AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_NONE>;
		};
	};

	ebi {
		pinctrl_ebi_data_0_7: ebi-data-lsb-0 {
			atmel,pins =
				<AT91_PIOD 6 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOD 7 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOD 8 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOD 9 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOD 10 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOD 11 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOD 12 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOD 13 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
		};

		pinctrl_ebi_addr_nand: ebi-addr-0 {
			atmel,pins =
				<AT91_PIOD 2 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOD 3 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
		};
	};

	qspi {
		pinctrl_qspi: pinctrl-qspi {
			atmel,pins =
				<AT91_PIOB 19 AT91_PERIPH_A AT91_PINCTRL_SLEWRATE_DIS
				 AT91_PIOB 20 AT91_PERIPH_A AT91_PINCTRL_SLEWRATE_DIS
				 AT91_PIOB 21 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOB 22 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOB 23 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOB 24 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_SLEWRATE_DIS)>;
		};
	};

	flexcom {
		pinctrl_flx6_default: flx6-default {
			atmel,pins =
				<AT91_PIOA 24 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>,
				<AT91_PIOA 25 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
		};

		pinctrl_flx7_default: flx7-default {
			atmel,pins =
				<AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>,
				<AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>;
		};

		/*
		pinctrl_flx1_usart_default: flx1-usart-default {
			atmel,pins =
				<AT91_PIOA 28 AT91_PERIPH_A AT91_PINCTRL_NONE
				 AT91_PIOA 29 AT91_PERIPH_A AT91_PINCTRL_NONE>;
		};
		*/
		
		pinctrl_flx5_uart5_default: flx5-uart-default {
			atmel,pins = <
			AT91_PIOA 16 AT91_PERIPH_B AT91_PINCTRL_NONE		/* BLE TX */
			AT91_PIOA 15 AT91_PERIPH_B AT91_PINCTRL_NONE		/* BLE RX */
			AT91_PIOA 14 AT91_PERIPH_B AT91_PINCTRL_NONE		/* BLE CTS IO3*/
			AT91_PIOA 30 AT91_PERIPH_B AT91_PINCTRL_NONE		/* BLE RTS IO4*/
			>;
		};
	};

	gpio-keys {
		pinctrl_key_gpio_default: key-gpio-default {
			atmel,pins = <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
		};
	};

	i2s {
		pinctrl_i2s_default: i2s-default {
			atmel,pins =
				<AT91_PIOB 26 AT91_PERIPH_D AT91_PINCTRL_NONE>,		/* I2SCK */
				<AT91_PIOB 15 AT91_PERIPH_D AT91_PINCTRL_NONE>,		/* I2SWS */
				<AT91_PIOB 16 AT91_PERIPH_D AT91_PINCTRL_NONE>,		/* I2SDIN */
				<AT91_PIOB 17 AT91_PERIPH_D AT91_PINCTRL_NONE>,		/* I2SDOUT */
				<AT91_PIOB 25 AT91_PERIPH_D AT91_PINCTRL_NONE>;		/* I2SMCK */
		};
	};

	led-controller {
		pinctrl_red_led_gpio_default: red-led-gpio-default {
			atmel,pins = <AT91_PIOC 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
		};
		pinctrl_green_led_gpio_default: green-led-gpio-default {
			atmel,pins = <AT91_PIOC 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
		};
		pinctrl_blue_led_gpio_default: blue-led-gpio-default {
			atmel,pins = <AT91_PIOC 20 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
		};
	};

	nand {
		pinctrl_nand_oe_we: nand-oe-we-0 {
			atmel,pins =
				<AT91_PIOD 0 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
				 AT91_PIOD 1 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
		};

		pinctrl_nand_rb: nand-rb-0 {
			atmel,pins =
				<AT91_PIOD 14 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
		};

		pinctrl_nand_cs: nand-cs-0 {
			atmel,pins =
				<AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
		};
	};

	ohci0 {
		pinctrl_usb_default: usb-default {
			atmel,pins = <AT91_PIOC 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
				      AT91_PIOC 31 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
		};
	};

	sdmmc0 {
		pinctrl_sdmmc0_default: sdmmc0-default {
			atmel,pins =
				<AT91_PIOA 2 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>,				/* PA2 CK  periph A with pullup */
				<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 */
				<AT91_PIOA 0 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>,	/* PA0 DAT0 periph A */
				<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 */
				<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 */
				<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 */
		};
	};

	/* for wifi */
	sdmmc1 {
		pinctrl_sdmmc1_default: sdmmc1-default {
			atmel,pins =
				<AT91_PIOA 11 AT91_PERIPH_B (AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)				/* PA11 CK  periph B with pullup */
				 AT91_PIOA 10 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)		/* PA10 CMD periph B with pullup */
				 AT91_PIOA 9  AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)		/* PA9 DAT0 periph B with pullup */
				 AT91_PIOA 6  AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)		/* PA6 DAT1 periph B with pullup */
				 AT91_PIOA 7  AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)		/* PA7 DAT2 periph B with pullup */
				 AT91_PIOA 8  AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI | AT91_PINCTRL_SLEWRATE_ENA)>;	/* PA8 DAT3 periph B with pullup */
		};
	};

	usb0 {
		pinctrl_usba_vbus: usba-vbus {
			atmel,pins = <AT91_PIOC 8 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
		};
	};
}; /* pinctrl */

&poweroff {
	debounce-delay-us = <976>;
	status = "okay";

	input@0 {
		reg = <0>;
	};
};

&rtt {
	atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
};

&qspi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_qspi>;
	status = "okay";

	flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <100000000>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
		m25p,fast-read;

		at91bootstrap@0 {
			label = "qspi: at91bootstrap";
			reg = <0x0 0x40000>;
		};

		bootloader@40000 {
			label = "qspi: bootloader";
			reg = <0x40000 0xc0000>;
		};

		bootloaderenvred@100000 {
			label = "qspi: bootloader env redundant";
			reg = <0x100000 0x40000>;
		};

		bootloaderenv@140000 {
			label = "qspi: bootloader env";
			reg = <0x140000 0x40000>;
		};

		dtb@180000 {
			label = "qspi: device tree";
			reg = <0x180000 0x80000>;
		};

		kernel@200000 {
			label = "qspi: kernel";
			reg = <0x200000 0x600000>;
		};
	};
};

&sdmmc0 {
	bus-width = <4>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_sdmmc0_default>;
	cd-gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
	disable-wp;
	status = "okay";
};

&sdmmc1 {
	bus-width = <4>;
	mmc-ddr-3_3v;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_sdmmc1_default>;
	status = "disabled";
};

&slow_xtal {
	clock-frequency = <32768>;
};

&tcb {
	timer0: timer@0 {
		compatible = "atmel,tcb-timer";
		reg = <0>;
	};

	timer1: timer@1 {
		compatible = "atmel,tcb-timer";
		reg = <1>;
	};
};

&trng {
	status = "okay";
};

&usb0 {
	atmel,vbus-gpio = <&pioC 8 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usba_vbus>;
	status = "okay";
};

&watchdog {
	status = "okay";
};