target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dtso

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
   2 /*
   3  * Authors: Daniel Golle <daniel@makrotopia.org>
   4  *          Frank Wunderlich <frank-w@public-files.de>
   5  */
   6
   7 /dts-v1/;
   8 /plugin/;
   9
  10 / {
  11         compatible = "bananapi,bpi-r3", "mediatek,mt7986a";
  12
  13         fragment@0 {
  14                 target-path = "/soc/spi@1100a000";
  15                 __overlay__ {
  16                         #address-cells = <1>;
  17                         #size-cells = <0>;
  18                         spi_nand: spi_nand@0 {
  19                                 compatible = "spi-nand";
  20                                 reg = <0>;
  21                                 spi-max-frequency = <10000000>;
  22                                 spi-tx-bus-width = <4>;
  23                                 spi-rx-bus-width = <4>;
  24
  25                                 partitions {
  26                                         compatible = "fixed-partitions";
  27                                         #address-cells = <1>;
  28                                         #size-cells = <1>;
  29
  30                                         partition@0 {
  31                                                 label = "bl2";
  32                                                 reg = <0x0 0x80000>;
  33                                                 read-only;
  34                                         };
  35
  36                                         partition@80000 {
  37                                                 label = "reserved";
  38                                                 reg = <0x80000 0x300000>;
  39                                         };
  40
  41                                         partition@380000 {
  42                                                 label = "fip";
  43                                                 reg = <0x380000 0x200000>;
  44                                                 read-only;
  45                                         };
  46
  47                                         partition@580000 {
  48                                                 label = "ubi";
  49                                                 reg = <0x580000 0x7a80000>;
  50                                         };
  51                                 };
  52                         };
  53                 };
  54         };
  55 };