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a2c19f1d2f
mt7621 and mt7628 now have the ability to detect memory size automatically. Drop memory nodes and let kernel determine memory size. Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
151 lines
2.5 KiB
Plaintext
151 lines
2.5 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/dts-v1/;
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#include "mt7621.dtsi"
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/gpio/gpio.h>
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/ {
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compatible = "mikrotik,rb750gr3", "mediatek,mt7621-soc";
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model = "MikroTik RouterBOARD 750Gr3";
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aliases {
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led-boot = &led_usr;
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led-failsafe = &led_usr;
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led-running = &led_usr;
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led-upgrade = &led_usr;
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};
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chosen {
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bootargs = "console=ttyS0,115200";
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};
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leds {
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compatible = "gpio-leds";
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pwr {
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label = "rb750gr3:blue:pwr";
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gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
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default-state = "on";
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};
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led_usr: usr {
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label = "rb750gr3:green:usr";
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gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
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};
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};
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keys {
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compatible = "gpio-keys-polled";
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poll-interval = <20>;
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mode {
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label = "mode";
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gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
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linux,code = <BTN_0>;
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};
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reset {
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label = "reset";
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gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RESTART>;
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};
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};
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beeper {
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compatible = "gpio-beeper";
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gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
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};
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gpio_export {
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compatible = "gpio-export";
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#size-cells = <0>;
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usb_power {
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gpio-export,name = "usb_power";
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gpio-export,output = <1>;
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gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
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};
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};
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};
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&spi0 {
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status = "okay";
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <20000000>;
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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 = "RouterBoot";
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reg = <0x0 0x40000>;
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read-only;
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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 = "bootloader1";
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reg = <0x0 0xf000>;
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read-only;
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};
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hard_config: partition@f000 {
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label = "hard_config";
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reg = <0xf000 0x1000>;
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read-only;
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};
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partition@10000 {
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label = "bootloader2";
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reg = <0x10000 0xf000>;
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read-only;
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};
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partition@20000 {
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label = "soft_config";
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reg = <0x20000 0x1000>;
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};
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partition@30000 {
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label = "bios";
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reg = <0x30000 0x1000>;
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read-only;
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};
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};
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partition@40000 {
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compatible = "mikrotik,minor";
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label = "firmware";
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reg = <0x040000 0xfc0000>;
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};
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};
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};
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};
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ðernet {
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mtd-mac-address = <&hard_config 0x0010>;
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mtd-mac-address-increment = <1>;
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};
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&pinctrl {
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state_default: pinctrl0 {
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gpio {
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/* via gpio7 (uart3 group) the PoE status can be read */
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ralink,group = "uart2", "uart3", "jtag", "wdt";
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ralink,function = "gpio";
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};
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};
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};
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&sdhci {
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status = "okay";
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};
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