mediatek: add Linksys E8450 support
The Linksys E8450, also known as Belkin RT3200, is a dual-band
IEEE 802.11bgn/ac/ax router based on MediaTek MT7622BV and
MediaTek MT7915AN chips.
FCC: K7S-03571 and K7S-03572
Hardware highlights:
- CPU: MediaTek MT7622BV (2x ARM Cortex-A53 @ 1350 MHz max.)
- RAM: 512MB DDR3
- Flash: 128MB SPI-NAND (2k+64)
- Ethernet: MT7531BE switch with 5 1000Base-T ports
CPU port connected with 2500Base-X
- WiFi 2.4 GHz: 802.11bgn 4T4R built-in antennas
MT7622VB built-in
- WiFi 5 GHz: 802.11ac/ax 4T4R built-in antennas
MT7915AN chip on-board via PCIe
MT7975AN front-end
- Buttons: Reset and WPS
- LEDS: 3 user controllable LEDs, 4 wired to switch
- USB: USB2.0, single port
- no Bluetooth (supported by SoC, not wired on board)
- Serial: JST PH 2.0MM 6 Pin connector inside device
----_____________----
[ GND RX - TX - - ]
---------------------
- JTAG: unpopulated ARM JTAG 20-pin connector (works)
This commit adds support for the device in a way that is compatible
with the vendor firmware's bootloader and dual-boot flash layout, the
resulting image can directly be flashed using the vendor firmware.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
John Crispin
committed by
Daniel Golle
Daniel Golle
parent
7a6d074824
commit
aa94e34c1d
486
target/linux/mediatek/dts/mt7622-linksys-e8450.dts
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486
target/linux/mediatek/dts/mt7622-linksys-e8450.dts
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@@ -0,0 +1,486 @@
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// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
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/dts-v1/;
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/gpio/gpio.h>
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#include "mt7622.dtsi"
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#include "mt6380.dtsi"
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/ {
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model = "Linksys E8450";
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compatible = "linksys,e8450", "mediatek,mt7622";
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aliases {
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serial0 = &uart0;
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led-boot = &led_power;
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led-failsafe = &led_power;
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led-running = &led_power;
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led-upgrade = &led_power;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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bootargs = "earlycon=uart8250,mmio32,0x11002000 console=ttyS0,115200n1 swiotlb=512";
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};
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cpus {
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cpu@0 {
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proc-supply = <&mt6380_vcpu_reg>;
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sram-supply = <&mt6380_vm_reg>;
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};
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cpu@1 {
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proc-supply = <&mt6380_vcpu_reg>;
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sram-supply = <&mt6380_vm_reg>;
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};
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};
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gpio-keys {
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compatible = "gpio-keys";
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factory {
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label = "reset";
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linux,code = <KEY_RESTART>;
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gpios = <&pio 0 GPIO_ACTIVE_LOW>;
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};
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wps {
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label = "wps";
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linux,code = <KEY_WPS_BUTTON>;
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gpios = <&pio 102 GPIO_ACTIVE_LOW>;
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};
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};
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gpio-leds {
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compatible = "gpio-leds";
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led_power: power_blue {
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label = "power:blue";
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gpios = <&pio 95 GPIO_ACTIVE_LOW>;
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default-state = "on";
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};
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power_orange {
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label = "power:orange";
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gpios = <&pio 96 GPIO_ACTIVE_LOW>;
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default-state = "off";
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};
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inet_blue {
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label = "inet:blue";
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gpios = <&pio 97 GPIO_ACTIVE_LOW>;
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default-state = "off";
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};
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inet_orange {
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label = "inet:orange";
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gpios = <&pio 98 GPIO_ACTIVE_LOW>;
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default-state = "off";
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};
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};
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memory {
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reg = <0 0x40000000 0 0x40000000>;
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};
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reg_1p8v: regulator-1p8v {
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compatible = "regulator-fixed";
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regulator-name = "fixed-1.8V";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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};
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reg_3p3v: regulator-3p3v {
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compatible = "regulator-fixed";
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regulator-name = "fixed-3.3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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reg_5v: regulator-5v {
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compatible = "regulator-fixed";
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regulator-name = "fixed-5V";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-boot-on;
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regulator-always-on;
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};
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};
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&bch {
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status = "okay";
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};
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&btif {
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status = "okay";
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};
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&cir {
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pinctrl-names = "default";
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pinctrl-0 = <&irrx_pins>;
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status = "okay";
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};
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ð {
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pinctrl-names = "default";
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pinctrl-0 = <ð_pins>;
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status = "okay";
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gmac0: mac@0 {
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compatible = "mediatek,eth-mac";
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reg = <0>;
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phy-mode = "2500base-x";
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fixed-link {
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speed = <2500>;
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full-duplex;
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pause;
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};
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};
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mdio-bus {
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#address-cells = <1>;
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#size-cells = <0>;
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switch@0 {
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compatible = "mediatek,mt7531";
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reg = <0>;
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reset-gpios = <&pio 54 0>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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label = "lan1";
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};
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port@1 {
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reg = <1>;
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label = "lan2";
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};
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port@2 {
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reg = <2>;
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label = "lan3";
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};
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port@3 {
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reg = <3>;
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label = "lan4";
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};
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port@4 {
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reg = <4>;
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label = "wan";
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};
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port@6 {
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reg = <6>;
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label = "cpu";
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ethernet = <&gmac0>;
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phy-mode = "2500base-x";
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fixed-link {
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speed = <2500>;
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full-duplex;
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pause;
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};
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};
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};
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};
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};
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};
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&pcie0 {
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pinctrl-names = "default";
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pinctrl-0 = <&pcie0_pins>;
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status = "okay";
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};
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&pcie1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pcie1_pins>;
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status = "okay";
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};
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&slot0 {
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mt7915@0,0 {
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reg = <0x0000 0 0 0 0>;
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mediatek,mtd-eeprom = <&factory 0x05000>;
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};
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};
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&pio {
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/* Attention: GPIO 90 is used to switch between PCIe@1,0 and
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* SATA functions. i.e. output-high: PCIe, output-low: SATA
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*/
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// asm_sel {
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// gpio-hog;
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// gpios = <90 GPIO_ACTIVE_HIGH>;
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// output-high;
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// };
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eth_pins: eth-pins {
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mux {
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function = "eth";
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groups = "mdc_mdio", "rgmii_via_gmac2";
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};
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};
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irrx_pins: irrx-pins {
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mux {
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function = "ir";
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groups = "ir_1_rx";
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};
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};
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irtx_pins: irtx-pins {
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mux {
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function = "ir";
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groups = "ir_1_tx";
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};
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};
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pcie0_pins: pcie0-pins {
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mux {
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function = "pcie";
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groups = "pcie0_pad_perst",
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"pcie0_1_waken",
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"pcie0_1_clkreq";
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};
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};
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pcie1_pins: pcie1-pins {
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mux {
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function = "pcie";
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groups = "pcie1_pad_perst",
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"pcie1_0_waken",
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"pcie1_0_clkreq";
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};
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};
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pmic_bus_pins: pmic-bus-pins {
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mux {
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function = "pmic";
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groups = "pmic_bus";
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};
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};
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pwm7_pins: pwm1-2-pins {
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mux {
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function = "pwm";
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groups = "pwm_ch7_2";
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};
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};
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wled_pins: wled-pins {
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mux {
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function = "led";
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groups = "wled";
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};
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};
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/* Serial NAND is shared pin with SPI-NOR */
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serial_nand_pins: serial-nand-pins {
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mux {
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function = "flash";
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groups = "snfi";
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};
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};
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spic0_pins: spic0-pins {
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mux {
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function = "spi";
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groups = "spic0_0";
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};
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};
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spic1_pins: spic1-pins {
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mux {
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function = "spi";
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groups = "spic1_0";
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};
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};
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uart0_pins: uart0-pins {
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mux {
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function = "uart";
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groups = "uart0_0_tx_rx" ;
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};
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};
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uart2_pins: uart2-pins {
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mux {
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function = "uart";
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groups = "uart2_1_tx_rx" ;
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};
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};
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watchdog_pins: watchdog-pins {
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mux {
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function = "watchdog";
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groups = "watchdog";
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};
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};
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};
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&pwm {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm7_pins>;
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status = "okay";
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};
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&pwrap {
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pinctrl-names = "default";
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pinctrl-0 = <&pmic_bus_pins>;
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status = "okay";
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};
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&sata {
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status = "disabled";
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};
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&sata_phy {
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status = "disabled";
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};
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&snfi {
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pinctrl-names = "default";
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pinctrl-0 = <&serial_nand_pins>;
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status = "okay";
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spi_nand@0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "spi-nand";
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spi-max-frequency = <104000000>;
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reg = <0>;
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mediatek,bmt-v2;
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mediatek,bmt-table-size = <0x1000>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "Preloader";
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reg = <0x00000 0x0080000>;
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read-only;
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};
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partition@80000 {
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label = "ATF";
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reg = <0x80000 0x0040000>;
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};
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partition@c0000 {
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label = "u-boot";
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reg = <0xc0000 0x0080000>;
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};
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partition@140000 {
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label = "u-boot-env";
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reg = <0x140000 0x0080000>;
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};
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factory: partition@1c0000 {
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label = "factory";
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reg = <0x1c0000 0x0100000>;
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};
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partition@300000 {
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label = "devinfo";
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reg = <0x300000 0x020000>;
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};
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partition@320000 {
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label = "senv";
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reg = <0x320000 0x020000>;
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};
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partition@360000 {
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label = "bootseq";
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reg = <0x360000 0x020000>;
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};
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partition@500000 {
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label = "firmware1";
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compatible = "denx,fit";
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openwrt,cmdline-match = "mtdparts=master";
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reg = <0x500000 0x1E00000>;
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};
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partition@2300000 {
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label = "firmware2";
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compatible = "denx,fit";
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openwrt,cmdline-match = "mtdparts=slave";
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reg = <0x2300000 0x1E00000>;
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};
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partition@4100000 {
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label = "data";
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reg = <0x4100000 0x1900000>;
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};
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partition@5100000 {
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label = "mfg";
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reg = <0x5a00000 0x1400000>;
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};
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};
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};
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};
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&spi0 {
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pinctrl-names = "default";
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pinctrl-0 = <&spic0_pins>;
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status = "okay";
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};
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&spi1 {
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pinctrl-names = "default";
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pinctrl-0 = <&spic1_pins>;
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status = "okay";
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};
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&ssusb {
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vusb33-supply = <®_3p3v>;
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vbus-supply = <®_5v>;
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status = "okay";
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};
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&u3phy {
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status = "okay";
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};
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_pins>;
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status = "okay";
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};
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&uart2 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart2_pins>;
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status = "okay";
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};
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&watchdog {
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pinctrl-names = "default";
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pinctrl-0 = <&watchdog_pins>;
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status = "okay";
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};
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&wmac {
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mediatek,mtd-eeprom = <&factory 0x0000>;
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status = "okay";
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};
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