arch/mips/boot/dts/ingenic/ci20.dts

   1 /dts-v1/;
   2
   3 #include "jz4780.dtsi"
   4
   5 / {
   6         compatible = "img,ci20", "ingenic,jz4780";
   7
   8         aliases {
   9                 serial0 = &uart0;
  10                 serial1 = &uart1;
  11                 serial3 = &uart3;
  12                 serial4 = &uart4;
  13         };
  14
  15         chosen {
  16                 stdout-path = &uart4;
  17         };
  18
  19         memory {
  20                 device_type = "memory";
  21                 reg = <0x0 0x10000000
  22                        0x30000000 0x30000000>;
  23         };
  24 };
  25
  26 &ext {
  27         clock-frequency = <48000000>;
  28 };
  29
  30 &uart0 {
  31         status = "okay";
  32
  33         pinctrl-names = "default";
  34         pinctrl-0 = <&pins_uart0>;
  35 };
  36
  37 &uart1 {
  38         status = "okay";
  39
  40         pinctrl-names = "default";
  41         pinctrl-0 = <&pins_uart1>;
  42 };
  43
  44 &uart3 {
  45         status = "okay";
  46
  47         pinctrl-names = "default";
  48         pinctrl-0 = <&pins_uart2>;
  49 };
  50
  51 &uart4 {
  52         status = "okay";
  53
  54         pinctrl-names = "default";
  55         pinctrl-0 = <&pins_uart4>;
  56 };
  57
  58 &nemc {
  59         status = "okay";
  60
  61         nandc: nand-controller@1 {
  62                 compatible = "ingenic,jz4780-nand";
  63                 reg = <1 0 0x1000000>;
  64
  65                 #address-cells = <1>;
  66                 #size-cells = <0>;
  67
  68                 ingenic,bch-controller = <&bch>;
  69
  70                 ingenic,nemc-tAS = <10>;
  71                 ingenic,nemc-tAH = <5>;
  72                 ingenic,nemc-tBP = <10>;
  73                 ingenic,nemc-tAW = <15>;
  74                 ingenic,nemc-tSTRV = <100>;
  75
  76                 /*
  77                  * Only CLE/ALE are needed for the devices that are connected, rather
  78                  * than the full address line set.
  79                  */
  80                 pinctrl-names = "default";
  81                 pinctrl-0 = <&pins_nemc>;
  82
  83                 nand@1 {
  84                         reg = <1>;
  85
  86                         nand-ecc-step-size = <1024>;
  87                         nand-ecc-strength = <24>;
  88                         nand-ecc-mode = "hw";
  89                         nand-on-flash-bbt;
  90
  91                         pinctrl-names = "default";
  92                         pinctrl-0 = <&pins_nemc_cs1>;
  93
  94                         partitions {
  95                                 compatible = "fixed-partitions";
  96                                 #address-cells = <2>;
  97                                 #size-cells = <2>;
  98
  99                                 partition@0 {
 100                                         label = "u-boot-spl";
 101                                         reg = <0x0 0x0 0x0 0x800000>;
 102                                 };
 103
 104                                 partition@0x800000 {
 105                                         label = "u-boot";
 106                                         reg = <0x0 0x800000 0x0 0x200000>;
 107                                 };
 108
 109                                 partition@0xa00000 {
 110                                         label = "u-boot-env";
 111                                         reg = <0x0 0xa00000 0x0 0x200000>;
 112                                 };
 113
 114                                 partition@0xc00000 {
 115                                         label = "boot";
 116                                         reg = <0x0 0xc00000 0x0 0x4000000>;
 117                                 };
 118
 119                                 partition@0x8c00000 {
 120                                         label = "system";
 121                                         reg = <0x0 0x4c00000 0x1 0xfb400000>;
 122                                 };
 123                         };
 124                 };
 125         };
 126 };
 127
 128 &bch {
 129         status = "okay";
 130 };
 131
 132 &pinctrl {
 133         pins_uart0: uart0 {
 134                 function = "uart0";
 135                 groups = "uart0-data";
 136                 bias-disable;
 137         };
 138
 139         pins_uart1: uart1 {
 140                 function = "uart1";
 141                 groups = "uart1-data";
 142                 bias-disable;
 143         };
 144
 145         pins_uart2: uart2 {
 146                 function = "uart2";
 147                 groups = "uart2-data", "uart2-hwflow";
 148                 bias-disable;
 149         };
 150
 151         pins_uart4: uart4 {
 152                 function = "uart4";
 153                 groups = "uart4-data";
 154                 bias-disable;
 155         };
 156
 157         pins_nemc: nemc {
 158                 function = "nemc";
 159                 groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe";
 160                 bias-disable;
 161         };
 162
 163         pins_nemc_cs1: nemc-cs1 {
 164                 function = "nemc-cs1";
 165                 groups = "nemc-cs1";
 166                 bias-disable;
 167         };
 168 };