target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a-rfb-spim-nand.dtso

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 /*
   3  * Copyright (C) 2022 MediaTek Inc.
   4  * Author: Sam.Shih <sam.shih@mediatek.com>
   5  */
   6
   7 /dts-v1/;
   8 /plugin/;
   9
  10 / {
  11         compatible = "mediatek,mt7988a-rfb", "mediatek,mt7988a";
  12
  13         fragment@0 {
  14                 target = <&spi0>;
  15                 __overlay__ {
  16                         pinctrl-names = "default";
  17                         pinctrl-0 = <&spi0_flash_pins>;
  18                         status = "okay";
  19
  20                         flash@0 {
  21                                 compatible = "spi-nand";
  22                                 reg = <0>;
  23                                 spi-max-frequency = <52000000>;
  24                                 spi-tx-bus-width = <4>;
  25                                 spi-rx-bus-width = <4>;
  26                                 mediatek,nmbm;
  27                                 mediatek,bmt-max-ratio = <1>;
  28                                 mediatek,bmt-max-reserved-blocks = <64>;
  29
  30                                 partitions {
  31                                         compatible = "fixed-partitions";
  32                                         #address-cells = <1>;
  33                                         #size-cells = <1>;
  34
  35                                         partition@0 {
  36                                                 label = "BL2";
  37                                                 reg = <0x00000 0x0100000>;
  38                                                 read-only;
  39                                         };
  40
  41                                         partition@100000 {
  42                                                 label = "u-boot-env";
  43                                                 reg = <0x0100000 0x0080000>;
  44                                         };
  45
  46                                         partition@180000 {
  47                                                 label = "Factory";
  48                                                 reg = <0x180000 0x0400000>;
  49                                         };
  50
  51                                         partition@580000 {
  52                                                 label = "FIP";
  53                                                 reg = <0x580000 0x0200000>;
  54                                         };
  55
  56                                         partition@780000 {
  57                                                 label = "ubi";
  58                                                 reg = <0x780000 0x7080000>;
  59                                         };
  60                                 };
  61                         };
  62                 };
  63         };
  64 };