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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3
   4 #include "jz4780.dtsi"
   5 #include <dt-bindings/gpio/gpio.h>
   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 = &uart4;
  19         };
  20
  21         memory {
  22                 device_type = "memory";
  23                 reg = <0x0 0x10000000
  24                        0x30000000 0x30000000>;
  25         };
  26
  27         eth0_power: fixedregulator@0 {
  28                 compatible = "regulator-fixed";
  29                 regulator-name = "eth0_power";
  30                 gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
  31                 enable-active-high;
  32         };
  33 };
  34
  35 &ext {
  36         clock-frequency = <48000000>;
  37 };
  38
  39 &mmc0 {
  40         status = "okay";
  41
  42         bus-width = <4>;
  43         max-frequency = <50000000>;
  44
  45         pinctrl-names = "default";
  46         pinctrl-0 = <&pins_mmc0>;
  47
  48         cd-gpios = <&gpf 20 GPIO_ACTIVE_LOW>;
  49 };
  50
  51 &mmc1 {
  52         status = "okay";
  53
  54         bus-width = <4>;
  55         max-frequency = <50000000>;
  56
  57         pinctrl-names = "default";
  58         pinctrl-0 = <&pins_mmc1>;
  59 };
  60
  61 &uart0 {
  62         status = "okay";
  63
  64         pinctrl-names = "default";
  65         pinctrl-0 = <&pins_uart0>;
  66 };
  67
  68 &uart1 {
  69         status = "okay";
  70
  71         pinctrl-names = "default";
  72         pinctrl-0 = <&pins_uart1>;
  73 };
  74
  75 &uart3 {
  76         status = "okay";
  77
  78         pinctrl-names = "default";
  79         pinctrl-0 = <&pins_uart3>;
  80 };
  81
  82 &uart4 {
  83         status = "okay";
  84
  85         pinctrl-names = "default";
  86         pinctrl-0 = <&pins_uart4>;
  87 };
  88
  89 &nemc {
  90         status = "okay";
  91
  92         nandc: nand-controller@1 {
  93                 compatible = "ingenic,jz4780-nand";
  94                 reg = <1 0 0x1000000>;
  95
  96                 #address-cells = <1>;
  97                 #size-cells = <0>;
  98
  99                 ingenic,bch-controller = <&bch>;
 100
 101                 ingenic,nemc-tAS = <10>;
 102                 ingenic,nemc-tAH = <5>;
 103                 ingenic,nemc-tBP = <10>;
 104                 ingenic,nemc-tAW = <15>;
 105                 ingenic,nemc-tSTRV = <100>;
 106
 107                 /*
 108                  * Only CLE/ALE are needed for the devices that are connected, rather
 109                  * than the full address line set.
 110                  */
 111                 pinctrl-names = "default";
 112                 pinctrl-0 = <&pins_nemc>;
 113
 114                 nand@1 {
 115                         reg = <1>;
 116
 117                         nand-ecc-step-size = <1024>;
 118                         nand-ecc-strength = <24>;
 119                         nand-ecc-mode = "hw";
 120                         nand-on-flash-bbt;
 121
 122                         pinctrl-names = "default";
 123                         pinctrl-0 = <&pins_nemc_cs1>;
 124
 125                         partitions {
 126                                 compatible = "fixed-partitions";
 127                                 #address-cells = <2>;
 128                                 #size-cells = <2>;
 129
 130                                 partition@0 {
 131                                         label = "u-boot-spl";
 132                                         reg = <0x0 0x0 0x0 0x800000>;
 133                                 };
 134
 135                                 partition@800000 {
 136                                         label = "u-boot";
 137                                         reg = <0x0 0x800000 0x0 0x200000>;
 138                                 };
 139
 140                                 partition@a00000 {
 141                                         label = "u-boot-env";
 142                                         reg = <0x0 0xa00000 0x0 0x200000>;
 143                                 };
 144
 145                                 partition@c00000 {
 146                                         label = "boot";
 147                                         reg = <0x0 0xc00000 0x0 0x4000000>;
 148                                 };
 149
 150                                 partition@4c00000 {
 151                                         label = "system";
 152                                         reg = <0x0 0x4c00000 0x1 0xfb400000>;
 153                                 };
 154                         };
 155                 };
 156         };
 157
 158         dm9000@6 {
 159                 compatible = "davicom,dm9000";
 160                 davicom,no-eeprom;
 161
 162                 pinctrl-names = "default";
 163                 pinctrl-0 = <&pins_nemc_cs6>;
 164
 165                 reg = <6 0 1   /* addr */
 166                        6 2 1>; /* data */
 167
 168                 ingenic,nemc-tAS = <15>;
 169                 ingenic,nemc-tAH = <10>;
 170                 ingenic,nemc-tBP = <20>;
 171                 ingenic,nemc-tAW = <50>;
 172                 ingenic,nemc-tSTRV = <100>;
 173
 174                 reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
 175                 vcc-supply = <&eth0_power>;
 176
 177                 interrupt-parent = <&gpe>;
 178                 interrupts = <19 4>;
 179         };
 180 };
 181
 182 &bch {
 183         status = "okay";
 184 };
 185
 186 &pinctrl {
 187         pins_uart0: uart0 {
 188                 function = "uart0";
 189                 groups = "uart0-data";
 190                 bias-disable;
 191         };
 192
 193         pins_uart1: uart1 {
 194                 function = "uart1";
 195                 groups = "uart1-data";
 196                 bias-disable;
 197         };
 198
 199         pins_uart3: uart3 {
 200                 function = "uart3";
 201                 groups = "uart3-data", "uart3-hwflow";
 202                 bias-disable;
 203         };
 204
 205         pins_uart4: uart4 {
 206                 function = "uart4";
 207                 groups = "uart4-data";
 208                 bias-disable;
 209         };
 210
 211         pins_nemc: nemc {
 212                 function = "nemc";
 213                 groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe";
 214                 bias-disable;
 215         };
 216
 217         pins_nemc_cs1: nemc-cs1 {
 218                 function = "nemc-cs1";
 219                 groups = "nemc-cs1";
 220                 bias-disable;
 221         };
 222
 223         pins_nemc_cs6: nemc-cs6 {
 224                 function = "nemc-cs6";
 225                 groups = "nemc-cs6";
 226                 bias-disable;
 227         };
 228
 229         pins_mmc0: mmc0 {
 230                 function = "mmc0";
 231                 groups = "mmc0-1bit-e", "mmc0-4bit-e";
 232                 bias-disable;
 233         };
 234
 235         pins_mmc1: mmc1 {
 236                 function = "mmc1";
 237                 groups = "mmc1-1bit-d", "mmc1-4bit-d";
 238                 bias-disable;
 239         };
 240 };