target/linux/mediatek/files-6.6/arch/arm64/boot/dts/mediatek/mt7988a-rfb-snfi-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 = <&snand>;
  15                 __overlay__ {
  16                         status = "okay";
  17
  18                         flash@0 {
  19                                 compatible = "spi-nand";
  20                                 reg = <0>;
  21                                 spi-max-frequency = <52000000>;
  22                                 spi-tx-bus-width = <4>;
  23                                 spi-rx-bus-width = <4>;
  24                                 mediatek,nmbm;
  25                                 mediatek,bmt-max-ratio = <1>;
  26                                 mediatek,bmt-max-reserved-blocks = <64>;
  27
  28                                 partitions {
  29                                         compatible = "fixed-partitions";
  30                                         #address-cells = <1>;
  31                                         #size-cells = <1>;
  32
  33                                         partition@0 {
  34                                                 label = "BL2";
  35                                                 reg = <0x00000 0x0100000>;
  36                                                 read-only;
  37                                         };
  38
  39                                         partition@100000 {
  40                                                 label = "u-boot-env";
  41                                                 reg = <0x0100000 0x0080000>;
  42                                         };
  43
  44                                         partition@180000 {
  45                                                 label = "Factory";
  46                                                 reg = <0x180000 0x0400000>;
  47                                         };
  48
  49                                         partition@580000 {
  50                                                 label = "FIP";
  51                                                 reg = <0x580000 0x0200000>;
  52                                         };
  53
  54                                         partition@780000 {
  55                                                 label = "ubi";
  56                                                 reg = <0x780000 0x7080000>;
  57                                         };
  58                                 };
  59                         };
  60                 };
  61         };
  62
  63         fragment@1 {
  64                 target = <&bch>;
  65                 __overlay__ {
  66                         status = "okay";
  67                 };
  68         };
  69 };