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117 lines
2.2 KiB
Plaintext
117 lines
2.2 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/*
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* Copyright (C) 2023 Allen Zhao <allenzhao@unielecinc.com>
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*/
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/dts-v1/;
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#include "mt7981b-unielec-u7981-01.dtsi"
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/ {
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model = "Unielec U7981-01 (NAND)";
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compatible = "unielec,u7981-01-nand", "mediatek,mt7981";
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};
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&spi0 {
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pinctrl-names = "default";
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pinctrl-0 = <&spi0_flash_pins>;
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status = "okay";
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spi_nand: 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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reg = <0>;
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spi-max-frequency = <52000000>;
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spi-tx-buswidth = <4>;
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spi-rx-buswidth = <4>;
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mediatek,nmbm;
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mediatek,bmt-max-ratio = <1>;
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mediatek,bmt-max-reserved-blocks = <64>;
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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 = "bl2";
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reg = <0x00000 0x0100000>;
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read-only;
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};
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partition@100000 {
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label = "u-boot-env";
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reg = <0x0100000 0x0080000>;
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};
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factory: partition@180000 {
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label = "factory";
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reg = <0x180000 0x200000>;
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read-only;
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compatible = "nvmem-cells";
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nvmem-layout {
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compatible = "fixed-layout";
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#address-cells = <1>;
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#size-cells = <1>;
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eeprom_factory_0: eeprom@0 {
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reg = <0x0 0x1000>;
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};
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macaddr_factory_1000: macaddr@1000 {
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compatible = "mac-base";
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reg = <0x1000 0x6>;
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#nvmem-cell-cells = <1>;
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};
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};
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};
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partition@380000 {
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label = "fip";
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reg = <0x380000 0x0200000>;
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};
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partition@580000 {
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label = "ubi";
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reg = <0x580000 0x4000000>;
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};
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};
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};
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};
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&pio {
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spi0_flash_pins: spi0-pins {
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mux {
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function = "spi";
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groups = "spi0", "spi0_wp_hold";
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};
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conf-pu {
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pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
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drive-strength = <8>;
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mediatek,pull-up-adv = <0>; /* bias-disable */
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};
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conf-pd {
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pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO";
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drive-strength = <8>;
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mediatek,pull-up-adv = <0>; /* bias-disable */
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};
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};
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};
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&gmac0 {
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nvmem-cells = <&macaddr_factory_1000 0>;
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nvmem-cell-names = "mac-address";
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};
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&gmac1 {
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nvmem-cells = <&macaddr_factory_1000 1>;
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nvmem-cell-names = "mac-address";
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};
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&wifi {
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nvmem-cells = <&eeprom_factory_0>;
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nvmem-cell-names = "eeprom";
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status = "okay";
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};
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