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mediatek: add support for OpenEmbed SOM7981
Hardware specification: SoC: MediaTek MT7981B 2x A53 Flash: 256 MiB SPI-NAND, 32 GB eMMC optional RAM: 0.5/1 GB DDR4 Ethernet: 1x 1GbE, 1x 2.5GbE (RTL8221B) WiFi: MediaTek MT7976C USB: 1x USB 3.0 GPIO: 26-Pin header UART: 6 GND, 8 TX, 10 RX (in Pin header) Button: Reset, WPS Power: Type-C PD Installation: The board comes with a third-party custom OpenWrt image, you can upload sysupgrade image via LuCI directly WITHOUT keeping configurations. Or power on the board with pressing reset button for 5 second, then visit http://192.168.1.1 and upload -factory.bin firmware. Signed-off-by: Tianling Shen <[email protected]>
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227 changes: 227 additions & 0 deletions
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target/linux/mediatek/dts/mt7981b-openembed-som7981.dts
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,227 @@ | ||
| // SPDX-License-Identifier: GPL-2.0-or-later OR MIT | ||
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| /dts-v1/; | ||
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| #include <dt-bindings/gpio/gpio.h> | ||
| #include <dt-bindings/input/input.h> | ||
| #include <dt-bindings/leds/common.h> | ||
| #include "mt7981.dtsi" | ||
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| / { | ||
| model = "OpenEmbed SOM7981"; | ||
| compatible = "openembed,som7981", "mediatek,mt7981"; | ||
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| aliases { | ||
| led-boot = &wlan2g_led; | ||
| led-failsafe = &wlan2g_led; | ||
| led-upgrade = &wlan2g_led; | ||
| serial0 = &uart0; | ||
| }; | ||
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| chosen { | ||
| stdout-path = "serial0:115200n8"; | ||
| }; | ||
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| memory@40000000 { | ||
| reg = <0 0x40000000 0 0x40000000>; | ||
| }; | ||
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| gpio-keys { | ||
| compatible = "gpio-keys"; | ||
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| button-reset { | ||
| label = "reset"; | ||
| linux,code = <KEY_RESTART>; | ||
| gpios = <&pio 1 GPIO_ACTIVE_LOW>; | ||
| }; | ||
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| button-wps { | ||
| label = "wps"; | ||
| linux,code = <KEY_WPS_BUTTON>; | ||
| gpios = <&pio 0 GPIO_ACTIVE_LOW>; | ||
| }; | ||
| }; | ||
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| gpio-leds { | ||
| compatible = "gpio-leds"; | ||
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| led-0 { | ||
| function = LED_FUNCTION_LAN; | ||
| color = <LED_COLOR_ID_AMBER>; | ||
| gpios = <&pio 8 GPIO_ACTIVE_LOW>; | ||
| }; | ||
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| led-1 { | ||
| function = LED_FUNCTION_LAN; | ||
| color = <LED_COLOR_ID_GREEN>; | ||
| gpios = <&pio 13 GPIO_ACTIVE_LOW>; | ||
| }; | ||
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| wlan2g_led: led-2 { | ||
| function = LED_FUNCTION_WLAN_2GHZ; | ||
| color = <LED_COLOR_ID_RED>; | ||
| gpios = <&pio 34 GPIO_ACTIVE_LOW>; | ||
| linux,default-trigger = "phy0tpt"; | ||
| }; | ||
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| led-3 { | ||
| function = LED_FUNCTION_WLAN_5GHZ; | ||
| color = <LED_COLOR_ID_RED>; | ||
| gpios = <&pio 35 GPIO_ACTIVE_LOW>; | ||
| linux,default-trigger = "phy1tpt"; | ||
| }; | ||
| }; | ||
| }; | ||
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| ð { | ||
| pinctrl-names = "default"; | ||
| pinctrl-0 = <&mdio_pins>; | ||
| status = "okay"; | ||
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| gmac0: mac@0 { | ||
| compatible = "mediatek,eth-mac"; | ||
| reg = <0>; | ||
| phy-mode = "2500base-x"; | ||
| phy-handle = <&phy0>; | ||
| nvmem-cells = <&macaddr_factory_a 0>; | ||
| nvmem-cell-names = "mac-address"; | ||
| }; | ||
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| gmac1: mac@1 { | ||
| compatible = "mediatek,eth-mac"; | ||
| reg = <1>; | ||
| phy-mode = "gmii"; | ||
| phy-handle = <&int_gbe_phy>; | ||
| nvmem-cells = <&macaddr_factory_a 1>; | ||
| nvmem-cell-names = "mac-address"; | ||
| }; | ||
| }; | ||
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| &mdio_bus { | ||
| phy0: ethernet-phy@5 { | ||
| reg = <5>; | ||
| compatible = "ethernet-phy-ieee802.3-c45"; | ||
| phy-mode = "2500base-x"; | ||
| reset-gpios = <&pio 14 GPIO_ACTIVE_LOW>; | ||
| reset-assert-us = <10000>; | ||
| reset-deassert-us = <50000>; | ||
| realtek,aldps-enable; | ||
| }; | ||
| }; | ||
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| &spi0 { | ||
| pinctrl-names = "default"; | ||
| pinctrl-0 = <&spi0_flash_pins>; | ||
| status = "okay"; | ||
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| spi_nand: flash@0 { | ||
| compatible = "spi-nand"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
| reg = <0>; | ||
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| spi-max-frequency = <52000000>; | ||
| spi-tx-bus-width = <4>; | ||
| spi-rx-bus-width = <4>; | ||
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| partitions { | ||
| compatible = "fixed-partitions"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
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| partition@0 { | ||
| label = "bl2"; | ||
| reg = <0x000000 0x100000>; | ||
| read-only; | ||
| }; | ||
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| partition@100000 { | ||
| label = "u-boot-env"; | ||
| reg = <0x100000 0x80000>; | ||
| }; | ||
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| partition@180000 { | ||
| compatible = "nvmem-cells"; | ||
| label = "factory"; | ||
| reg = <0x180000 0x100000>; | ||
| read-only; | ||
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| nvmem-layout { | ||
| compatible = "fixed-layout"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
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| eeprom_factory_0: eeprom@0 { | ||
| reg = <0x0 0x1000>; | ||
| }; | ||
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| macaddr_factory_a: macaddr@a { | ||
| compatible = "mac-base"; | ||
| reg = <0xa 0x6>; | ||
| #nvmem-cell-cells = <1>; | ||
| }; | ||
| }; | ||
| }; | ||
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| partition@280000 { | ||
| label = "config"; | ||
| reg = <0x280000 0x100000>; | ||
| read-only; | ||
| }; | ||
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| partition@380000 { | ||
| label = "fip"; | ||
| reg = <0x380000 0x200000>; | ||
| read-only; | ||
| }; | ||
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| partition@580000 { | ||
| label = "ubi"; | ||
| reg = <0x580000 0xf880000>; | ||
| }; | ||
| }; | ||
| }; | ||
| }; | ||
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| &pio { | ||
| spi0_flash_pins: spi0-pins { | ||
| mux { | ||
| function = "spi"; | ||
| groups = "spi0", "spi0_wp_hold"; | ||
| }; | ||
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| conf-pu { | ||
| pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP"; | ||
| drive-strength = <8>; | ||
| mediatek,pull-up-adv = <0>; | ||
| }; | ||
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| conf-pd { | ||
| pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO"; | ||
| drive-strength = <8>; | ||
| mediatek,pull-down-adv = <0>; | ||
| }; | ||
| }; | ||
| }; | ||
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| &uart0 { | ||
| status = "okay"; | ||
| }; | ||
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| &usb_phy { | ||
| status = "okay"; | ||
| }; | ||
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| &watchdog { | ||
| status = "okay"; | ||
| }; | ||
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| &wifi { | ||
| nvmem-cells = <&eeprom_factory_0>; | ||
| nvmem-cell-names = "eeprom"; | ||
| status = "okay"; | ||
| }; | ||
|
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| &xhci { | ||
| status = "okay"; | ||
| }; |
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