// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree file for the Gemini-based Raidsonic NAS IB-4210-B
 * Based on the NAS Forum experiments by user "CptSpock".
 */

/dts-v1/;

#include "gemini.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Raidsonic NAS IB-4210-B";
	compatible = "raidsonic,ib-4210-b", "cortina,gemini";
	#address-cells = <1>;
	#size-cells = <1>;

	memory@0 { /* 64 MB */
		device_type = "memory";
		reg = <0x00000000 0x4000000>;
	};

	chosen {
		bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait";
		stdout-path = &uart0;
	};

	gpio_keys {
		compatible = "gpio-keys";

		button-setup {
			debounce-interval = <100>;
			wakeup-source;
			linux,code = <KEY_SETUP>;
			label = "Backup button";
			/* Conflict with TVC */
			gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
		};
		button-restart {
			debounce-interval = <100>;
			wakeup-source;
			linux,code = <KEY_RESTART>;
			label = "Softreset button";
			/* Conflict with TVC */
			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
		};
	};

	leds {
		compatible = "gpio-leds";
		led-orange-hdd {
			label = "nas4220b:orange:hdd";
			/* Conflict with TVC */
			gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "disk-activity";
		};
		led-green-os {
			label = "nas4220b:green:os";
			/* Conflict with TVC */
			gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
	};

	mdio0: mdio {
		compatible = "virtual,mdio-gpio";
		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
		#address-cells = <1>;
		#size-cells = <0>;

		/* Realtek RTL8211B */
		phy0: ethernet-phy@1 {
			reg = <1>;
			device_type = "ethernet-phy";
		};
	};

	soc {
		flash@30000000 {
			status = "okay";
			/* 16MB of flash */
			reg = <0x30000000 0x01000000>;

			partitions {
				compatible = "redboot-fis";
				/* Eraseblock at 0xfe0000 */
				fis-index-block = <0x7f>;
			};
		};

		syscon: syscon@40000000 {
			pinctrl {
				gpio0_default_pins: pinctrl-gpio0 {
					mux {
						function = "gpio0";
						groups =
						"gpio0egrp",
						/* Used by MDIO */
						"gpio0igrp";
					};
				};
				gpio1_default_pins: pinctrl-gpio1 {
					mux {
						function = "gpio1";
						/* Lines 28-31 used by LEDs and buttons */
						groups = "gpio1dgrp";
					};
				};
				pinctrl-gmii {
					mux {
						function = "gmii";
						groups = "gmii_gmac0_grp";
					};
					conf0 {
						pins = "R8 GMAC0 RXDV", "U11 GMAC1 RXDV";
						skew-delay = <0>;
					};
					conf1 {
						pins = "T8 GMAC0 RXC";
						skew-delay = <10>;
					};
					conf2 {
						pins = "T11 GMAC1 RXC";
						skew-delay = <15>;
					};
					conf3 {
						pins = "P8 GMAC0 TXEN", "V11 GMAC1 TXEN";
						skew-delay = <7>;
					};
					conf4 {
						pins = "V7 GMAC0 TXC", "P10 GMAC1 TXC";
						skew-delay = <10>;
					};
					conf5 {
						/* The data lines all have default skew */
						pins = "U8 GMAC0 RXD0", "V8 GMAC0 RXD1",
						       "P9 GMAC0 RXD2", "R9 GMAC0 RXD3",
						       "R11 GMAC1 RXD0", "P11 GMAC1 RXD1",
						       "V12 GMAC1 RXD2", "U12 GMAC1 RXD3",
						       "R10 GMAC1 TXD0", "T10 GMAC1 TXD1",
						       "U10 GMAC1 TXD2", "V10 GMAC1 TXD3";
						skew-delay = <7>;
					};
					conf6 {
						pins = "U7 GMAC0 TXD0", "T7 GMAC0 TXD1",
						       "R7 GMAC0 TXD2", "P7 GMAC0 TXD3";
						skew-delay = <5>;
					};
					/* Set up drive strength on GMAC0 to 16 mA */
					conf7 {
						groups = "gmii_gmac0_grp";
						drive-strength = <16>;
					};
				};
			};
		};

		sata: sata@46000000 {
			cortina,gemini-ata-muxmode = <0>;
			cortina,gemini-enable-sata-bridge;
			status = "okay";
		};

		gpio0: gpio@4d000000 {
			pinctrl-names = "default";
			pinctrl-0 = <&gpio0_default_pins>;
		};

		gpio1: gpio@4e000000 {
			pinctrl-names = "default";
			pinctrl-0 = <&gpio1_default_pins>;
		};

		ethernet@60000000 {
			status = "okay";

			ethernet-port@0 {
				phy-mode = "rgmii";
				phy-handle = <&phy0>;
			};
			ethernet-port@1 {
				/* Not used in this platform */
			};
		};

		ide@63000000 {
			status = "okay";
		};

		ide@63400000 {
			status = "okay";
		};

		usb@68000000 {
			status = "okay";
		};

		usb@69000000 {
			status = "okay";
		};
	};
};