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 &uart0 {
  40         status = "okay";
  41
  42         pinctrl-names = "default";
  43         pinctrl-0 = <&pins_uart0>;
  44 };
  45
  46 &uart1 {
  47         status = "okay";
  48
  49         pinctrl-names = "default";
  50         pinctrl-0 = <&pins_uart1>;
  51 };
  52
  53 &uart3 {
  54         status = "okay";
  55
  56         pinctrl-names = "default";
  57         pinctrl-0 = <&pins_uart3>;
  58 };
  59
  60 &uart4 {
  61         status = "okay";
  62
  63         pinctrl-names = "default";
  64         pinctrl-0 = <&pins_uart4>;
  65 };
  66
  67 &nemc {
  68         status = "okay";
  69
  70         nandc: nand-controller@1 {
  71                 compatible = "ingenic,jz4780-nand";
  72                 reg = <1 0 0x1000000>;
  73
  74                 #address-cells = <1>;
  75                 #size-cells = <0>;
  76
  77                 ingenic,bch-controller = <&bch>;
  78
  79                 ingenic,nemc-tAS = <10>;
  80                 ingenic,nemc-tAH = <5>;
  81                 ingenic,nemc-tBP = <10>;
  82                 ingenic,nemc-tAW = <15>;
  83                 ingenic,nemc-tSTRV = <100>;
  84
  85                 /*
  86                  * Only CLE/ALE are needed for the devices that are connected, rather
  87                  * than the full address line set.
  88                  */
  89                 pinctrl-names = "default";
  90                 pinctrl-0 = <&pins_nemc>;
  91
  92                 nand@1 {
  93                         reg = <1>;
  94
  95                         nand-ecc-step-size = <1024>;
  96                         nand-ecc-strength = <24>;
  97                         nand-ecc-mode = "hw";
  98                         nand-on-flash-bbt;
  99
 100                         pinctrl-names = "default";
 101                         pinctrl-0 = <&pins_nemc_cs1>;
 102
 103                         partitions {
 104                                 compatible = "fixed-partitions";
 105                                 #address-cells = <2>;
 106                                 #size-cells = <2>;
 107
 108                                 partition@0 {
 109                                         label = "u-boot-spl";
 110                                         reg = <0x0 0x0 0x0 0x800000>;
 111                                 };
 112
 113                                 partition@0x800000 {
 114                                         label = "u-boot";
 115                                         reg = <0x0 0x800000 0x0 0x200000>;
 116                                 };
 117
 118                                 partition@0xa00000 {
 119                                         label = "u-boot-env";
 120                                         reg = <0x0 0xa00000 0x0 0x200000>;
 121                                 };
 122
 123                                 partition@0xc00000 {
 124                                         label = "boot";
 125                                         reg = <0x0 0xc00000 0x0 0x4000000>;
 126                                 };
 127
 128                                 partition@0x8c00000 {
 129                                         label = "system";
 130                                         reg = <0x0 0x4c00000 0x1 0xfb400000>;
 131                                 };
 132                         };
 133                 };
 134         };
 135
 136         dm9000@6 {
 137                 compatible = "davicom,dm9000";
 138                 davicom,no-eeprom;
 139
 140                 pinctrl-names = "default";
 141                 pinctrl-0 = <&pins_nemc_cs6>;
 142
 143                 reg = <6 0 1   /* addr */
 144                        6 2 1>; /* data */
 145
 146                 ingenic,nemc-tAS = <15>;
 147                 ingenic,nemc-tAH = <10>;
 148                 ingenic,nemc-tBP = <20>;
 149                 ingenic,nemc-tAW = <50>;
 150                 ingenic,nemc-tSTRV = <100>;
 151
 152                 reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
 153                 vcc-supply = <&eth0_power>;
 154
 155                 interrupt-parent = <&gpe>;
 156                 interrupts = <19 4>;
 157         };
 158 };
 159
 160 &bch {
 161         status = "okay";
 162 };
 163
 164 &pinctrl {
 165         pins_uart0: uart0 {
 166                 function = "uart0";
 167                 groups = "uart0-data";
 168                 bias-disable;
 169         };
 170
 171         pins_uart1: uart1 {
 172                 function = "uart1";
 173                 groups = "uart1-data";
 174                 bias-disable;
 175         };
 176
 177         pins_uart3: uart3 {
 178                 function = "uart3";
 179                 groups = "uart3-data", "uart3-hwflow";
 180                 bias-disable;
 181         };
 182
 183         pins_uart4: uart4 {
 184                 function = "uart4";
 185                 groups = "uart4-data";
 186                 bias-disable;
 187         };
 188
 189         pins_nemc: nemc {
 190                 function = "nemc";
 191                 groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe";
 192                 bias-disable;
 193         };
 194
 195         pins_nemc_cs1: nemc-cs1 {
 196                 function = "nemc-cs1";
 197                 groups = "nemc-cs1";
 198                 bias-disable;
 199         };
 200
 201         pins_nemc_cs6: nemc-cs6 {
 202                 function = "nemc-cs6";
 203                 groups = "nemc-cs6";
 204                 bias-disable;
 205         };
 206 };