arch/mips/dts/ci20.dts

   1 // SPDX-License-Identifier: GPL-2.0+
   2
   3 /dts-v1/;
   4
   5 #include "jz4780.dtsi"
   6
   7 / {
   8         compatible = "img,ci20", "ingenic,jz4780";
   9
  10         aliases {
  11                 serial0 = &uart0;
  12                 serial1 = &uart1;
  13                 serial3 = &uart3;
  14                 serial4 = &uart4;
  15         };
  16
  17         chosen {
  18                 stdout-path = "serial4:115200n8";
  19         };
  20
  21         memory {
  22                 device_type = "memory";
  23                 reg = <0x0 0x10000000
  24                        0x30000000 0x30000000>;
  25         };
  26 };
  27
  28 &ext {
  29         clock-frequency = <48000000>;
  30 };
  31
  32 &uart0 {
  33         status = "okay";
  34 };
  35
  36 &uart1 {
  37         status = "okay";
  38 };
  39
  40 &uart3 {
  41         status = "okay";
  42 };
  43
  44 &uart4 {
  45         status = "okay";
  46 };
  47
  48 &nemc {
  49         status = "okay";
  50
  51         nandc: nand-controller@1 {
  52                 compatible = "ingenic,jz4780-nand";
  53                 reg = <1 0 0x1000000>;
  54
  55                 #address-cells = <1>;
  56                 #size-cells = <0>;
  57
  58                 ingenic,bch-controller = <&bch>;
  59
  60                 ingenic,nemc-tAS = <10>;
  61                 ingenic,nemc-tAH = <5>;
  62                 ingenic,nemc-tBP = <10>;
  63                 ingenic,nemc-tAW = <15>;
  64                 ingenic,nemc-tSTRV = <100>;
  65
  66                 nand@1 {
  67                         reg = <1>;
  68
  69                         nand-ecc-step-size = <1024>;
  70                         nand-ecc-strength = <24>;
  71                         nand-ecc-mode = "hw";
  72                         nand-on-flash-bbt;
  73
  74                         partitions {
  75                                 compatible = "fixed-partitions";
  76                                 #address-cells = <2>;
  77                                 #size-cells = <2>;
  78
  79                                 partition@0 {
  80                                         label = "u-boot-spl";
  81                                         reg = <0x0 0x0 0x0 0x800000>;
  82                                 };
  83
  84                                 partition@0x800000 {
  85                                         label = "u-boot";
  86                                         reg = <0x0 0x800000 0x0 0x200000>;
  87                                 };
  88
  89                                 partition@0xa00000 {
  90                                         label = "u-boot-env";
  91                                         reg = <0x0 0xa00000 0x0 0x200000>;
  92                                 };
  93
  94                                 partition@0xc00000 {
  95                                         label = "boot";
  96                                         reg = <0x0 0xc00000 0x0 0x4000000>;
  97                                 };
  98
  99                                 partition@0x8c00000 {
 100                                         label = "system";
 101                                         reg = <0x0 0x4c00000 0x1 0xfb400000>;
 102                                 };
 103                         };
 104                 };
 105         };
 106 };
 107
 108 &bch {
 109         status = "okay";
 110 };
 111
 112 &mmc0 {
 113         bus-width = <4>;
 114         max-frequency = <50000000>;
 115         status = "okay";
 116 };
 117
 118 &mmc1 {
 119         bus-width = <4>;
 120         max-frequency = <50000000>;
 121         status = "okay";
 122 };