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_uart2>; 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@800000 { 114 label = "u-boot"; 115 reg = <0x0 0x800000 0x0 0x200000>; 116 }; 117 118 partition@a00000 { 119 label = "u-boot-env"; 120 reg = <0x0 0xa00000 0x0 0x200000>; 121 }; 122 123 partition@c00000 { 124 label = "boot"; 125 reg = <0x0 0xc00000 0x0 0x4000000>; 126 }; 127 128 partition@4c00000 { 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 = <ð0_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_uart2: uart2 { 178 function = "uart2"; 179 groups = "uart2-data", "uart2-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}; 207