target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a-rfb-spim-nand.dtsi

   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 #include "mt7988a-rfb.dtsi"
   9
  10 &pio {
  11         spi0_flash_pins: spi0-pins {
  12                 mux {
  13                         function = "spi";
  14                         groups = "spi0", "spi0_wp_hold";
  15                 };
  16         };
  17 };
  18
  19 &spi0 {
  20         pinctrl-names = "default";
  21         pinctrl-0 = <&spi0_flash_pins>;
  22         status = "okay";
  23
  24         spi_nand: spi_nand@0 {
  25                 compatible = "spi-nand";
  26                 reg = <0>;
  27                 spi-max-frequency = <52000000>;
  28                 spi-tx-buswidth = <4>;
  29                 spi-rx-buswidth = <4>;
  30         };
  31
  32 };
  33
  34 &spi_nand {
  35         mediatek,nmbm;
  36         mediatek,bmt-max-ratio = <1>;
  37         mediatek,bmt-max-reserved-blocks = <64>;
  38
  39         partitions {
  40                 compatible = "fixed-partitions";
  41                 #address-cells = <1>;
  42                 #size-cells = <1>;
  43
  44                 partition@0 {
  45                         label = "BL2";
  46                         reg = <0x00000 0x0100000>;
  47                         read-only;
  48                 };
  49
  50                 partition@100000 {
  51                         label = "u-boot-env";
  52                         reg = <0x0100000 0x0080000>;
  53                 };
  54
  55                 factory: partition@180000 {
  56                         label = "Factory";
  57                         reg = <0x180000 0x0400000>;
  58                 };
  59
  60                 partition@580000 {
  61                         label = "FIP";
  62                         reg = <0x580000 0x0200000>;
  63                 };
  64
  65                 partition@780000 {
  66                         label = "ubi";
  67                         reg = <0x780000 0x7080000>;
  68                 };
  69         };
  70 };