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/clock/ingenic,tcu.h>
   6 #include <dt-bindings/gpio/gpio.h>
   7
   8 / {
   9         compatible = "img,ci20", "ingenic,jz4780";
  10
  11         aliases {
  12                 serial0 = &uart0;
  13                 serial1 = &uart1;
  14                 serial3 = &uart3;
  15                 serial4 = &uart4;
  16         };
  17
  18         chosen {
  19                 stdout-path = &uart4;
  20         };
  21
  22         memory {
  23                 device_type = "memory";
  24                 reg = <0x0 0x10000000
  25                        0x30000000 0x30000000>;
  26         };
  27
  28         eth0_power: fixedregulator@0 {
  29                 compatible = "regulator-fixed";
  30                 regulator-name = "eth0_power";
  31                 gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
  32                 enable-active-high;
  33         };
  34 };
  35
  36 &ext {
  37         clock-frequency = <48000000>;
  38 };
  39
  40 &mmc0 {
  41         status = "okay";
  42
  43         bus-width = <4>;
  44         max-frequency = <50000000>;
  45
  46         pinctrl-names = "default";
  47         pinctrl-0 = <&pins_mmc0>;
  48
  49         cd-gpios = <&gpf 20 GPIO_ACTIVE_LOW>;
  50 };
  51
  52 &mmc1 {
  53         status = "okay";
  54
  55         bus-width = <4>;
  56         max-frequency = <50000000>;
  57
  58         pinctrl-names = "default";
  59         pinctrl-0 = <&pins_mmc1>;
  60 };
  61
  62 &uart0 {
  63         status = "okay";
  64
  65         pinctrl-names = "default";
  66         pinctrl-0 = <&pins_uart0>;
  67 };
  68
  69 &uart1 {
  70         status = "okay";
  71
  72         pinctrl-names = "default";
  73         pinctrl-0 = <&pins_uart1>;
  74 };
  75
  76 &uart3 {
  77         status = "okay";
  78
  79         pinctrl-names = "default";
  80         pinctrl-0 = <&pins_uart3>;
  81 };
  82
  83 &uart4 {
  84         status = "okay";
  85
  86         pinctrl-names = "default";
  87         pinctrl-0 = <&pins_uart4>;
  88 };
  89
  90 &nemc {
  91         status = "okay";
  92
  93         nandc: nand-controller@1 {
  94                 compatible = "ingenic,jz4780-nand";
  95                 reg = <1 0 0x1000000>;
  96
  97                 #address-cells = <1>;
  98                 #size-cells = <0>;
  99
 100                 ingenic,bch-controller = <&bch>;
 101
 102                 ingenic,nemc-tAS = <10>;
 103                 ingenic,nemc-tAH = <5>;
 104                 ingenic,nemc-tBP = <10>;
 105                 ingenic,nemc-tAW = <15>;
 106                 ingenic,nemc-tSTRV = <100>;
 107
 108                 /*
 109                  * Only CLE/ALE are needed for the devices that are connected, rather
 110                  * than the full address line set.
 111                  */
 112                 pinctrl-names = "default";
 113                 pinctrl-0 = <&pins_nemc>;
 114
 115                 nand@1 {
 116                         reg = <1>;
 117
 118                         nand-ecc-step-size = <1024>;
 119                         nand-ecc-strength = <24>;
 120                         nand-ecc-mode = "hw";
 121                         nand-on-flash-bbt;
 122
 123                         pinctrl-names = "default";
 124                         pinctrl-0 = <&pins_nemc_cs1>;
 125
 126                         partitions {
 127                                 compatible = "fixed-partitions";
 128                                 #address-cells = <2>;
 129                                 #size-cells = <2>;
 130
 131                                 partition@0 {
 132                                         label = "u-boot-spl";
 133                                         reg = <0x0 0x0 0x0 0x800000>;
 134                                 };
 135
 136                                 partition@800000 {
 137                                         label = "u-boot";
 138                                         reg = <0x0 0x800000 0x0 0x200000>;
 139                                 };
 140
 141                                 partition@a00000 {
 142                                         label = "u-boot-env";
 143                                         reg = <0x0 0xa00000 0x0 0x200000>;
 144                                 };
 145
 146                                 partition@c00000 {
 147                                         label = "boot";
 148                                         reg = <0x0 0xc00000 0x0 0x4000000>;
 149                                 };
 150
 151                                 partition@4c00000 {
 152                                         label = "system";
 153                                         reg = <0x0 0x4c00000 0x1 0xfb400000>;
 154                                 };
 155                         };
 156                 };
 157         };
 158
 159         dm9000@6 {
 160                 compatible = "davicom,dm9000";
 161                 davicom,no-eeprom;
 162
 163                 pinctrl-names = "default";
 164                 pinctrl-0 = <&pins_nemc_cs6>;
 165
 166                 reg = <6 0 1   /* addr */
 167                        6 2 1>; /* data */
 168
 169                 ingenic,nemc-tAS = <15>;
 170                 ingenic,nemc-tAH = <10>;
 171                 ingenic,nemc-tBP = <20>;
 172                 ingenic,nemc-tAW = <50>;
 173                 ingenic,nemc-tSTRV = <100>;
 174
 175                 reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
 176                 vcc-supply = <&eth0_power>;
 177
 178                 interrupt-parent = <&gpe>;
 179                 interrupts = <19 4>;
 180         };
 181 };
 182
 183 &bch {
 184         status = "okay";
 185 };
 186
 187 &pinctrl {
 188         pins_uart0: uart0 {
 189                 function = "uart0";
 190                 groups = "uart0-data";
 191                 bias-disable;
 192         };
 193
 194         pins_uart1: uart1 {
 195                 function = "uart1";
 196                 groups = "uart1-data";
 197                 bias-disable;
 198         };
 199
 200         pins_uart3: uart3 {
 201                 function = "uart3";
 202                 groups = "uart3-data", "uart3-hwflow";
 203                 bias-disable;
 204         };
 205
 206         pins_uart4: uart4 {
 207                 function = "uart4";
 208                 groups = "uart4-data";
 209                 bias-disable;
 210         };
 211
 212         pins_nemc: nemc {
 213                 function = "nemc";
 214                 groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe";
 215                 bias-disable;
 216         };
 217
 218         pins_nemc_cs1: nemc-cs1 {
 219                 function = "nemc-cs1";
 220                 groups = "nemc-cs1";
 221                 bias-disable;
 222         };
 223
 224         pins_nemc_cs6: nemc-cs6 {
 225                 function = "nemc-cs6";
 226                 groups = "nemc-cs6";
 227                 bias-disable;
 228         };
 229
 230         pins_mmc0: mmc0 {
 231                 function = "mmc0";
 232                 groups = "mmc0-1bit-e", "mmc0-4bit-e";
 233                 bias-disable;
 234         };
 235
 236         pins_mmc1: mmc1 {
 237                 function = "mmc1";
 238                 groups = "mmc1-1bit-d", "mmc1-4bit-d";
 239                 bias-disable;
 240         };
 241 };
 242
 243 &tcu {
 244         /* 3 MHz for the system timer and clocksource */
 245         assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>;
 246         assigned-clock-rates = <3000000>, <3000000>;
 247 };