// SPDX-License-Identifier: (GPL-2.0 OR MIT) /* * Device Tree file for the Linksys WRT1900AC (Mamba). * * Note: this board is shipped with a new generation boot loader that * remaps internal registers at 0xf1000000. Therefore, if earlyprintk * is used, the CONFIG_DEBUG_MVEBU_UART0_ALTERNATE option should be * used. * * Copyright (C) 2014 Imre Kaloz * * Based on armada-xp-axpwifiap.dts: * * Copyright (C) 2013 Marvell * * Thomas Petazzoni */ /dts-v1/; #include #include #include "armada-xp-mv78230.dtsi" / { model = "Linksys WRT1900AC"; compatible = "linksys,mamba", "marvell,armadaxp-mv78230", "marvell,armadaxp", "marvell,armada-370-xp"; chosen { bootargs = "console=ttyS0,115200"; stdout-path = &uart0; }; memory@0 { device_type = "memory"; reg = <0x00000000 0x00000000 0x00000000 0x10000000>; /* 256MB */ }; soc { ranges = ; internal-regs { rtc@10300 { /* No crystal connected to the internal RTC */ status = "disabled"; }; /* J10: VCC, NC, RX, NC, TX, GND */ serial@12000 { status = "okay"; }; sata@a0000 { nr-ports = <1>; status = "okay"; }; ethernet@70000 { pinctrl-0 = <&ge0_rgmii_pins>; pinctrl-names = "default"; status = "okay"; phy-mode = "rgmii-id"; buffer-manager = <&bm>; bm,pool-long = <0>; bm,pool-short = <1>; fixed-link { speed = <1000>; full-duplex; }; }; ethernet@74000 { pinctrl-0 = <&ge1_rgmii_pins>; pinctrl-names = "default"; status = "okay"; phy-mode = "rgmii-id"; buffer-manager = <&bm>; bm,pool-long = <2>; bm,pool-short = <3>; fixed-link { speed = <1000>; full-duplex; }; }; /* USB part of the eSATA/USB 2.0 port */ usb@50000 { status = "okay"; }; i2c@11000 { status = "okay"; clock-frequency = <100000>; tmp421@4c { compatible = "ti,tmp421"; reg = <0x4c>; }; tlc59116@68 { #address-cells = <1>; #size-cells = <0>; #gpio-cells = <2>; compatible = "ti,tlc59116"; reg = <0x68>; wan_amber@0 { label = "mamba:amber:wan"; reg = <0x0>; }; wan_white@1 { label = "mamba:white:wan"; reg = <0x1>; }; wlan_2g@2 { label = "mamba:white:wlan_2g"; reg = <0x2>; }; wlan_5g@3 { label = "mamba:white:wlan_5g"; reg = <0x3>; }; esata@4 { label = "mamba:white:esata"; reg = <0x4>; linux,default-trigger = "disk-activity"; }; usb2@5 { label = "mamba:white:usb2"; reg = <0x5>; }; usb3_1@6 { label = "mamba:white:usb3_1"; reg = <0x6>; }; usb3_2@7 { label = "mamba:white:usb3_2"; reg = <0x7>; }; wps_white@8 { label = "mamba:white:wps"; reg = <0x8>; }; wps_amber@9 { label = "mamba:amber:wps"; reg = <0x9>; }; }; }; bm@c8000 { status = "okay"; }; nand@d0000 { status = "okay"; num-cs = <1>; marvell,nand-keep-config; marvell,nand-enable-arbiter; nand-on-flash-bbt; nand-ecc-strength = <4>; nand-ecc-step-size = <512>; partition@0 { label = "u-boot"; reg = <0x0000000 0x100000>; /* 1MB */ read-only; }; partition@100000 { label = "u_env"; reg = <0x100000 0x40000>; /* 256KB */ }; partition@140000 { label = "s_env"; reg = <0x140000 0x40000>; /* 256KB */ }; partition@900000 { label = "devinfo"; reg = <0x900000 0x100000>; /* 1MB */ read-only; }; /* kernel1 overlaps with rootfs1 by design */ partition@a00000 { label = "kernel1"; reg = <0xa00000 0x2800000>; /* 40MB */ }; partition@d00000 { label = "rootfs1"; reg = <0xd00000 0x2500000>; /* 37MB */ }; /* kernel2 overlaps with rootfs2 by design */ partition@3200000 { label = "kernel2"; reg = <0x3200000 0x2800000>; /* 40MB */ }; partition@3500000 { label = "rootfs2"; reg = <0x3500000 0x2500000>; /* 37MB */ }; /* * 38MB, last MB is for the BBT, not writable */ partition@5a00000 { label = "syscfg"; reg = <0x5a00000 0x2600000>; }; /* * Unused area between "s_env" and "devinfo". * Moved here because otherwise the renumbered * partitions would break the bootloader * supplied bootargs */ partition@180000 { label = "unused_area"; reg = <0x180000 0x780000>; /* 7.5MB */ }; }; }; bm-bppi { status = "okay"; }; }; gpio_keys { compatible = "gpio-keys"; #address-cells = <1>; #size-cells = <0>; pinctrl-0 = <&keys_pin>; pinctrl-names = "default"; wps { label = "WPS"; linux,code = ; gpios = <&gpio1 0 GPIO_ACTIVE_LOW>; }; reset { label = "Factory Reset Button"; linux,code = ; gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; }; }; gpio-leds { compatible = "gpio-leds"; pinctrl-0 = <&power_led_pin>; pinctrl-names = "default"; power { label = "mamba:white:power"; gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>; default-state = "on"; }; }; pwm_fan { /* SUNON HA4010V4-0000-C99 */ compatible = "pwm-fan"; pwms = <&gpio0 24 4000>; }; dsa { status = "disabled"; compatible = "marvell,dsa"; #address-cells = <2>; #size-cells = <0>; dsa,ethernet = <ð0>; dsa,mii-bus = <&mdio>; switch@0 { #address-cells = <1>; #size-cells = <0>; reg = <0x0 0>; /* MDIO address 0, switch 0 in tree */ port@0 { reg = <0>; label = "lan4"; }; port@1 { reg = <1>; label = "lan3"; }; port@2 { reg = <2>; label = "lan2"; }; port@3 { reg = <3>; label = "lan1"; }; port@4 { reg = <4>; label = "internet"; }; port@5 { reg = <5>; label = "cpu"; }; }; }; }; &pciec { status = "okay"; /* Etron EJ168 USB 3.0 controller */ pcie@1,0 { /* Port 0, Lane 0 */ status = "okay"; }; /* First mini-PCIe port */ pcie@2,0 { /* Port 0, Lane 1 */ status = "okay"; }; /* Second mini-PCIe port */ pcie@3,0 { /* Port 0, Lane 3 */ status = "okay"; }; }; &pinctrl { keys_pin: keys-pin { marvell,pins = "mpp32", "mpp33"; marvell,function = "gpio"; }; power_led_pin: power-led-pin { marvell,pins = "mpp40"; marvell,function = "gpio"; }; gpio_fan_pin: gpio-fan-pin { marvell,pins = "mpp24"; marvell,function = "gpio"; }; }; &spi0 { status = "okay"; spi-flash@0 { #address-cells = <1>; #size-cells = <1>; compatible = "everspin,mr25h256"; reg = <0>; /* Chip select 0 */ spi-max-frequency = <40000000>; }; }; &mdio { status = "okay"; switch@0 { compatible = "marvell,mv88e6085"; #address-cells = <1>; #size-cells = <0>; reg = <0>; ports { #address-cells = <1>; #size-cells = <0>; port@0 { reg = <0>; label = "lan4"; }; port@1 { reg = <1>; label = "lan3"; }; port@2 { reg = <2>; label = "lan2"; }; port@3 { reg = <3>; label = "lan1"; }; port@4 { reg = <4>; label = "internet"; }; port@5 { reg = <5>; label = "cpu"; ethernet = <ð0>; fixed-link { speed = <1000>; full-duplex; }; }; }; }; };