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