linux-zen-server/arch/arm/boot/dts/at91-kizbox2-common.dtsi

// SPDX-License-Identifier: GPL-2.0
/*
 * at91-kizbox2_common.dtsi - Device Tree Include file for
 * Overkiz Kizbox 2 family SoC
 *
 * Copyright (C) 2014-2018 Overkiz SAS
 *
 * Authors: Antoine Aubert <a.aubert@overkiz.com>
 *          Gaël Portay <g.portay@overkiz.com>
 *          Kévin Raymond <k.raymond@overkiz.com>
 */
#include "sama5d31.dtsi"

/ {
	chosen {
		bootargs = "ubi.mtd=ubi";
		stdout-path = &dbgu;
	};

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

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

		main_xtal {
			clock-frequency = <12000000>;
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		button-prog {
			label = "PB_PROG";
			gpios = <&pioE 27 GPIO_ACTIVE_LOW>;
			linux,code = <0x102>;
			wakeup-source;
		};

		button-reset {
			label = "PB_RST";
			gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
			linux,code = <0x100>;
			wakeup-source;
		};

		button-user {
			label = "PB_USER";
			gpios = <&pioE 31 GPIO_ACTIVE_HIGH>;
			linux,code = <0x101>;
			wakeup-source;
		};
	};

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

		led-1 {
			label = "pwm:blue:user";
			pwms = <&pwm0 2 10000000 0>;
			max-brightness = <255>;
			linux,default-trigger = "none";
		};

		led-2 {
			label = "pwm:green:user";
			pwms = <&pwm0 1 10000000 0>;
			max-brightness = <255>;
			linux,default-trigger = "default-on";
		};

		led-3 {
			label = "pwm:red:user";
			pwms = <&pwm0 0 10000000 0>;
			max-brightness = <255>;
			linux,default-trigger = "default-on";
		};
	};
};

&i2c1 {
	status = "okay";

	pmic: act8865@5b {
		compatible = "active-semi,act8865";
		reg = <0x5b>;
		status = "okay";

		regulators {
			vcc_1v8_reg: DCDC_REG1 {
				regulator-name = "VCC_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

			vcc_1v2_reg: DCDC_REG2 {
				regulator-name = "VCC_1V2";
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-always-on;
			};

			vcc_3v3_reg: DCDC_REG3 {
				regulator-name = "VCC_3V3";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
			};

			vddfuse_reg: LDO_REG1 {
				regulator-name = "FUSE_2V5";
				regulator-min-microvolt = <2500000>;
				regulator-max-microvolt = <2500000>;
			};

			vddana_reg: LDO_REG2 {
				regulator-name = "VDDANA";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
			};

			vled_reg: LDO_REG3 {
				regulator-name = "VLED";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
			};

			v3v8_rf_reg: LDO_REG4 {
				regulator-name = "V3V8_RF";
				regulator-min-microvolt = <3800000>;
				regulator-max-microvolt = <3800000>;
				regulator-always-on;
			};
		};
	};
};

&usart0 {
	atmel,use-dma-rx;
	atmel,use-dma-tx;
	status = "disabled";
};

&usart1 {
	atmel,use-dma-rx;
	atmel,use-dma-tx;
	status = "disabled";
};

&usart2 {
	atmel,use-dma-rx;
	atmel,use-dma-tx;
	status = "disabled";
};

&pwm0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm0_pwmh0_1
		     &pinctrl_pwm0_pwmh1_1
		     &pinctrl_pwm0_pwmh2_0>;
	status = "okay";
};

&adc0 {
	atmel,adc-vref = <3333>;
	status = "okay";
};

&macb1 {
	phy-mode = "rmii";
	status = "okay";
};

&dbgu {
	status = "okay";
};

&watchdog {
	status = "okay";
};

&ebi {
	pinctrl-0 = <&pinctrl_ebi_nand_addr>;
	pinctrl-names = "default";
	status = "okay";
};

&nand_controller {
	status = "okay";

	nand@3 {
		reg = <0x3 0x0 0x2>;
		atmel,rb = <0>;
		nand-bus-width = <8>;
		nand-ecc-mode = "hw";
		nand-ecc-strength = <4>;
		nand-ecc-step-size = <512>;
		nand-on-flash-bbt;
		label = "atmel_nand";

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

			bootstrap@0 {
				label = "bootstrap";
				reg = <0x0 0x20000>;
			};

			ubi@20000 {
				label = "ubi";
				reg = <0x20000 0x7fe0000>;
			};
		};
	};
};

&usb1 {
	status = "okay";
};

&usb2 {
	status = "okay";
};

/* WMBUS (inverted with IO in the latest schematic) */
&pinctrl_usart0 {
	atmel,pins =
		<AT91_PIOD 17 AT91_PERIPH_A AT91_PINCTRL_NONE
		 AT91_PIOD 18 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
		 AT91_PIOE 2 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
};

/* RTS */
&pinctrl_usart1 {
	atmel,pins =
		<AT91_PIOB 28 AT91_PERIPH_A AT91_PINCTRL_NONE
		 AT91_PIOB 29 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
		 AT91_PIOE 7 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
};

/* IO (inverted with WMBUS in the latest schematic) */
&pinctrl_usart2 {
	atmel,pins =
		<AT91_PIOE 25 AT91_PERIPH_B AT91_PINCTRL_NONE
		 AT91_PIOE 26 AT91_PERIPH_B AT91_PINCTRL_PULL_UP
		 AT91_PIOE 8 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>;
};