target/linux/mediatek/files-5.15/arch/arm64/boot/dts/mediatek/mt7988a-rfb-spim-nor.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 = <&spi2>;
  15                 __overlay__ {
  16                         pinctrl-names = "default";
  17                         pinctrl-0 = <&spi2_flash_pins>;
  18                         status = "okay";
  19
  20                         flash@0 {
  21                                 #address-cells = <1>;
  22                                 #size-cells = <1>;
  23                                 compatible = "jedec,spi-nor";
  24                                 spi-cal-enable;
  25                                 spi-cal-mode = "read-data";
  26                                 spi-cal-datalen = <7>;
  27                                 spi-cal-data = /bits/ 8 <
  28                                         0x53 0x46 0x5F 0x42 0x4F 0x4F 0x54>; /* SF_BOOT */
  29                                 spi-cal-addrlen = <1>;
  30                                 spi-cal-addr = /bits/ 32 <0x0>;
  31                                 reg = <0>;
  32                                 spi-max-frequency = <52000000>;
  33                                 spi-tx-bus-width = <4>;
  34                                 spi-rx-bus-width = <4>;
  35
  36                                 partition@00000 {
  37                                         label = "BL2";
  38                                         reg = <0x00000 0x0040000>;
  39                                 };
  40                                 partition@40000 {
  41                                         label = "u-boot-env";
  42                                         reg = <0x40000 0x0010000>;
  43                                 };
  44                                 partition@50000 {
  45                                         label = "Factory";
  46                                         reg = <0x50000 0x0200000>;
  47                                 };
  48                                 partition@250000 {
  49                                         label = "FIP";
  50                                         reg = <0x250000 0x0080000>;
  51                                 };
  52                                 partition@2D0000 {
  53                                         label = "firmware";
  54                                         reg = <0x2D0000 0x1D30000>;
  55                                 };
  56                         };
  57                 };
  58         };
  59 };