target/linux/mediatek/dts/mt7981b-cmcc-rax3000m-nand.dtso

   1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
   2
   3 /dts-v1/;
   4 /plugin/;
   5
   6 / {
   7         compatible = "cmcc,rax3000m", "mediatek,mt7981";
   8
   9         fragment@0 {
  10                 target = <&gmac0>;
  11                 __overlay__ {
  12                         nvmem-cells = <&macaddr_factory_2a 0>;
  13                         nvmem-cell-names = "mac-address";
  14                 };
  15         };
  16
  17         fragment@1 {
  18                 target = <&gmac1>;
  19                 __overlay__ {
  20                         nvmem-cells = <&macaddr_factory_24 0>;
  21                         nvmem-cell-names = "mac-address";
  22                 };
  23         };
  24
  25         fragment@2 {
  26                 target = <&pio>;
  27                 __overlay__ {
  28                         spi0_flash_pins: spi0-pins {
  29                                 mux {
  30                                         function = "spi";
  31                                         groups = "spi0", "spi0_wp_hold";
  32                                 };
  33
  34                                 conf-pu {
  35                                         pins = "SPI0_CS", "SPI0_HOLD", "SPI0_WP";
  36                                         drive-strength = <8>;
  37                                         mediatek,pull-up-adv = <0>; /* bias-disable */
  38                                 };
  39
  40                                 conf-pd {
  41                                         pins = "SPI0_CLK", "SPI0_MOSI", "SPI0_MISO";
  42                                         drive-strength = <8>;
  43                                         mediatek,pull-up-adv = <0>; /* bias-disable */
  44                                 };
  45                         };
  46                 };
  47         };
  48
  49         fragment@3 {
  50                 target = <&spi0>;
  51                 __overlay__ {
  52                         pinctrl-names = "default";
  53                         pinctrl-0 = <&spi0_flash_pins>;
  54                         status = "okay";
  55
  56                         spi_nand@0 {
  57                                 compatible = "spi-nand";
  58                                 #address-cells = <1>;
  59                                 #size-cells = <1>;
  60                                 reg = <0>;
  61
  62                                 spi-max-frequency = <52000000>;
  63                                 spi-tx-bus-width = <4>;
  64                                 spi-rx-bus-width = <4>;
  65
  66                                 partitions {
  67                                         compatible = "fixed-partitions";
  68                                         #address-cells = <1>;
  69                                         #size-cells = <1>;
  70
  71                                         partition@0 {
  72                                                 label = "bl2";
  73                                                 reg = <0x00000 0x0100000>;
  74                                                 read-only;
  75                                         };
  76
  77                                         partition@100000 {
  78                                                 label = "u-boot-env";
  79                                                 reg = <0x100000 0x80000>;
  80                                         };
  81
  82                                         factory: partition@180000 {
  83                                                 label = "factory";
  84                                                 reg = <0x180000 0x200000>;
  85                                                 read-only;
  86
  87                                                 nvmem-layout {
  88                                                         compatible = "fixed-layout";
  89                                                         #address-cells = <1>;
  90                                                         #size-cells = <1>;
  91
  92                                                         macaddr_factory_24: macaddr@24 {
  93                                                                 compatible = "mac-base";
  94                                                                 reg = <0x24 0x6>;
  95                                                                 #nvmem-cell-cells = <1>;
  96                                                         };
  97
  98                                                         macaddr_factory_2a: macaddr@2a {
  99                                                                 compatible = "mac-base";
 100                                                                 reg = <0x2a 0x6>;
 101                                                                 #nvmem-cell-cells = <1>;
 102                                                         };
 103                                                 };
 104                                         };
 105
 106                                         partition@380000 {
 107                                                 label = "fip";
 108                                                 reg = <0x380000 0x200000>;
 109                                                 read-only;
 110                                         };
 111
 112                                         partition@580000 {
 113                                                 label = "ubi";
 114                                                 reg = <0x580000 0x7200000>;
 115                                         };
 116                                 };
 117                         };
 118                 };
 119         };
 120
 121         fragment@4 {
 122                 target = <&wifi>;
 123                 __overlay__ {
 124                         mediatek,mtd-eeprom = <&factory 0x0>;
 125                 };
 126         };
 127 };