netgear-wndr4700.dts

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Device Tree Source for Netgear WNDR4700/WNDR4720 Series
 *
 * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
 */

/dts-v1/;

#include <dt-bindings/thermal/thermal.h>
#include <dt-bindings/leds/common.h>
#include "apm82181.dtsi"

/ {
	model = "Netgear WNDR4700/WNDR4720 Series";
	compatible = "netgear,wndr4700", "apm,bluestone";

	aliases {
		serial0 = &UART0;
	};

	chosen {
		stdout-path = "/plb/opb/serial@ef600300:115200n8";
	};

	thermal-zones {
		cpu_thermal: cpu-thermal {
			polling-delay-passive = <10000>; /* milliseconds */
			polling-delay = <20000>; /* milliseconds */

			thermal-sensors = <&temp0 1>;

			/*
			 * REVISIT:
			 *
			 * Add the <&drive_temp>; sensor there and wire up
			 * the coefficients = <1 1>; property.
			 *
			 * Note: The kernel does not yet support more than
			 * one sensor (see of_thermal.c's function:
			 * thermal_of_build_thermal_zon()). Once this is
			 * implemented.
			 */

			trips {
				/*
				 * Once the thermal governers are a bit smarter
				 * and do hysteresis properly, we can disable
				 * the fan when the HDD and CPU has < 39 C.
				 */
				cpu_alert0: board-alert0 {
					temperature = <25000>;
					hysteresis = <2000>;
					type = "active";
				};

				cpu_alert1: cpu-alert1 {
					temperature = <27000>; /* millicelsius */
					hysteresis = <2000>; /* millicelsius */
					type = "active";
				};

				cpu_alert2: cpu-alert2 {
					temperature = <65000>; /* millicelsius */
					hysteresis = <2000>; /* millicelsius */
					type = "active";
				};

				cpu_alert3: cpu-alert3 {
					temperature = <70000>; /* millicelsius */
					hysteresis = <2000>; /* millicelsius */
					type = "active";
				};

				cpu_alert4: cpu-alert4 {
					temperature = <75000>; /* millicelsius */
					hysteresis = <2000>; /* millicelsius */
					type = "active";
				};

				cpu_alert5: cpu-alert5 {
					temperature = <80000>; /* millicelsius */
					hysteresis = <2000>; /* millicelsius */
					type = "active";
				};

				cpu_alert6: cpu-alert6 {
					temperature = <85000>; /* millicelsius */
					hysteresis = <2000>; /* millicelsius */
					type = "active";
				};

				cpu_crit: cpu-crit {
					temperature = <90000>; /* millicelsius */
					hysteresis = <2000>; /* millicelsius */
					type = "critical";
				};
			};

			cooling-maps {
				map0 {
					trip = <&cpu_alert0>;
					cooling-device = <&fan0 THERMAL_NO_LIMIT 0>;
				};

				map1 {
					trip = <&cpu_alert1>;
					cooling-device = <&fan0 1 76>;
				};

				map2 {
					trip = <&cpu_alert2>;
					cooling-device = <&fan0 77 101>;
				};

				map3 {
					trip = <&cpu_alert3>;
					cooling-device = <&fan0 102 147>;
				};

				map4 {
					trip = <&cpu_alert4>;
					cooling-device = <&fan0 148 207>;
				};

				map5 {
					trip = <&cpu_alert5>;
					cooling-device = <&fan0 208 231>;
				};

				map6 {
					trip = <&cpu_alert6>;
					cooling-device =<&fan0 232 THERMAL_NO_LIMIT>;
				};
			};
		};
	};
};

&CRYPTO {
	status = "okay";
};

&PKA {
	status = "okay";
};

&TRNG {
	status = "okay";
};

&SATA1 {
	status = "okay";

	/*
	 * This drive may have a temperature sensor with a
	 * thermal zone we can use for thermal control of the
	 * chassis temperature using the fan.
	 */

	drive_temp: sata-port@0 {
		reg = <0>;
		#thermal-sensor-cells = <0>;
	};
};

&USBOTG0 {
	status = "okay";
	dr_mode = "host";
};

&ndfc {
	status = "okay";
	/* 128 MiB Nand Flash */
	nand {
		nand-is-boot-medium;

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

			partition@0 {
				label = "uboot";
				reg = <0x00000000 0x00180000>;
				read-only;
			};

			partition@180000 {
				label = "kernel";
				reg = <0x00180000 0x00380000>;
				/*
				 * device-tree is @ 0x00180000 - 0x001fffff
				 * kernel starts from 0x200000.
				 * this is coded into netgear's u-boot.
				 *
				 * this partition will also contain a
				 * fake/empty rootfs at the end to fool
				 * Netgear's uboot rootfs integrety checks.
				 */
			};

			partition@500000 {
				label = "ubi";
				reg = <0x00500000 0x014e0000>;
			};


			/*
			 * Netgear's u-boot in the fw_recovery mode (can be
			 * triggered by holding the reset button, or if
			 * "bootm" fails) will not flash past this point
			 * (= 0x19E0000).
			 */

			partition@19e0000 {
				label = "config";
				reg = <0x019e0000 0x00080000>;
				read-only;
			};

			partition@1a60000 {
				label = "pot";
				reg = <0x01a60000 0x00080000>;
				read-only;
			};

			partition@1ae0000 {
				label = "traffic_meter";
				reg = <0x01ae0000 0x00300000>;
				read-only;
			};

			partition@1de0000 {
				label = "language";
				reg = <0x01de0000 0x001c0000>;
				read-only;
			};

			partition@1fa0000 {
				label = "ecos";
				reg = <0x01fa0000 0x06020000>;
				read-only;
			};

			partition@7fc0000 {
				label = "wifi_data";
				reg = <0x07fc0000 0x00040000>;
				read-only;
			};
		};
	};
};

&UART0 {
	status = "okay";
};

&GPIO0 {
	status = "okay";
};

&IIC0 {
	status = "okay";

	fan0: fan@1b {
		compatible = "microchip,tc654";
		reg = <0x1b>;
		#cooling-cells = <2>; /* min followed by max */

		gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>; /* fan status */
		alarm-gpios = <&GPIO0 5 GPIO_ACTIVE_LOW>; /* fault */
		interrupt-parent = <&UIC3>;
		interrupts = <0x16 IRQ_TYPE_EDGE_FALLING>; /* fault */
	};

	temp0: temp@4d {
		compatible = "gmt,g781";
		reg = <0x4d>;
		#thermal-sensor-cells = <1>;

		/*
		 * The LM90 has two sensors:
		 *   temp0 -> internal to LM90
		 *   temp1 -> external NTC near CPU
		 */
	};
};


&EMAC0 {
	status = "okay";
	phy-handle = <&phy0>;
	fifo-entry-size = <10>;

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;
		phy0: ethernet-phy@0 {
			device_type = "ethernet-phy";
			reg = <0>;
			qca,mib-poll-interval = <500>;

			qca,ar8327-initvals = <
				0x0010 0x40000000
				0x0624 0x007f7f7f
				0x0004 0x07a00000	/* PAD0_MODE */
				0x000c 0x01000000	/* PAD6_MODE */
				0x007c 0x0000007e	/* PORT0_STATUS */
			>;
		};
	};
};

&POB0 {

	keys {
		compatible = "gpio-keys";

		reset {
			label = "Reset button";
			gpios = <&GPIO0 15 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RESTART>;
			interrupt-parent = <&UIC1>;
			interrupts = <0x14 IRQ_TYPE_EDGE_FALLING>;
			debounce-interval = <60>;
		};

		backup_hd {
			label = "Backup HD button";
			gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
			linux,code = <BTN_0>;
			interrupt-parent = <&UIC1>;
			interrupts = <0x1e IRQ_TYPE_EDGE_FALLING>;
			debounce-interval = <60>;
		};

		rfkill {
			label = "RFKILL button";
			gpios = <&GPIO0 20 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RFKILL>;
			interrupt-parent = <&UIC1>;
			interrupts = <0x1f IRQ_TYPE_EDGE_FALLING>;
			debounce-interval = <60>;
		};

		wps {
			label = "WPS button";
			gpios = <&GPIO0 23 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_WPS_BUTTON>;
			interrupt-parent = <&UIC2>;
			interrupts = <0x19 IRQ_TYPE_EDGE_FALLING>;
			debounce-interval = <60>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led-0 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_POWER;
			gpios = <&GPIO0 8 GPIO_ACTIVE_HIGH>;
		};

		led-1 {
			color = <LED_COLOR_ID_AMBER>;
			function = LED_FUNCTION_FAULT;
			gpios = <&GPIO0 9 GPIO_ACTIVE_LOW>;
			panic-indicator;
		};

		led-2 {
			color = <LED_COLOR_ID_BLUE>;
			function = LED_FUNCTION_USB;
			gpios = <&GPIO0 10 GPIO_ACTIVE_HIGH>;
			trigger-sources = <&usb2_port 1>, <&usb2_port 2>,
					  <&usb3_port 1>, <&usb3_port 2>;
			linux,default-trigger = "usbport";
		};

		led-3 {
			color = <LED_COLOR_ID_WHITE>;
			function = LED_FUNCTION_INDICATOR;
			gpios = <&GPIO0 11 GPIO_ACTIVE_HIGH>;
		};

		led-4 {
			color = <LED_COLOR_ID_YELLOW>;
			function = LED_FUNCTION_WAN;
			gpios = <&GPIO0 3 GPIO_ACTIVE_HIGH>;
		};

		led-5 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_WAN;
			gpios = <&GPIO0 12 GPIO_ACTIVE_HIGH>;
		};

		led-6 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_DISK;
			gpios = <&GPIO0 14 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "disk-activity";
		};

		led-7 {
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_DISK_ERR;
			gpios = <&GPIO0 17 GPIO_ACTIVE_HIGH>;
		};

		led-8 {
			color = <LED_COLOR_ID_BLUE>;
			function = LED_FUNCTION_WLAN;
			gpios = <&GPIO0 18 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "phy0tpt";
		};
	};
};

&PCIE0 {
	status = "okay";

	/*
	 * relevant lspci topology:
	 *
	 *	-+-[0000:40]---00.0-[41-7f]----00.0-[42-45]--+-02.0-[43]----00.0
	 *	                                             +-03.0-[44]----00.0
	 *	                                             \-04.0-[45]----00.0
	 *
	 */

	bridge@64,0 {
		reg = <0x00400000 0 0 0 0>;
		#address-cells = <3>;
		#size-cells = <2>;
		ranges;

		bridge@65,0 {
			/* IDT PES4T4 PCI Express Switch */
			compatible = "pci111d,803a";
			reg = <0x00410000 0 0 0 0>;
			#address-cells = <3>;
			#size-cells = <2>;
			ranges;

			bridge@66,2 {
				compatible = "pci111d,803a";
				reg = <0x00421000 0 0 0 0>;
				#address-cells = <3>;
				#size-cells = <2>;
				ranges;

				wifi0: wifi@67,0 {
					/* Atheros AR9380 5GHz */
					compatible = "pci168c,0030";
					reg = <0x00430000 0 0 0 0>;
					interrupts = <3>; /* INTC */
					qca,no-eeprom;
					/* wifi CAL & MAC is stored in nvram */

					/*
					 * Because this was such a pain.
					 * Here's the full device path:
					 * pci0000:40/0000:40:00.0/0000:41:00.0/0000:42:02.0/0000:43:00.0
					 */
				};
			};

			bridge@66,3 {
				compatible = "pci111d,803a";
				reg = <0x00421800 0 0 0 0>;
				#address-cells = <3>;
				#size-cells = <2>;
				ranges;

				wifi1: wifi@68,0 {
					/* Atheros AR9381 2.4GHz */
					compatible = "pci168c,0033";
					reg = <0x00440000 0 0 0 0>;
					interrupts = <4>; /* INTD */
					qca,no-eeprom;
					/* wifi CAL & MAC is stored in nvram */
				};
			};

			bridge@66,4 {
				compatible = "pci111d,803a";
				reg = <0x00422000 0 0 0 0>;
				#address-cells = <3>;
				#size-cells = <2>;
				ranges;

				usb1: usb@69,0 {
					/* Renesas uPD720202 */
					compatible = "pci1912,0015";
					reg = <0x00450000 0 0 0 0>;
					interrupts = <1>; /* INTA */

					#address-cells = <1>;
					#size-cells = <0>;

					usb2_port: port@1 {
						reg = <1>;
						#trigger-source-cells = <1>;
					};

					usb3_port: port@2 {
						reg = <2>;
						#trigger-source-cells = <1>;
					};
				};
			};
		};
	};
};