1// SPDX-License-Identifier: GPL-2.0+ 2 3/dts-v1/; 4 5#include "jz4780.dtsi" 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 = "serial4:115200n8"; 19 }; 20 21 memory { 22 device_type = "memory"; 23 reg = <0x0 0x10000000 24 0x30000000 0x30000000>; 25 }; 26}; 27 28&ext { 29 clock-frequency = <48000000>; 30}; 31 32&uart0 { 33 status = "okay"; 34}; 35 36&uart1 { 37 status = "okay"; 38}; 39 40&uart3 { 41 status = "okay"; 42}; 43 44&uart4 { 45 status = "okay"; 46}; 47 48&nemc { 49 status = "okay"; 50 51 nandc: nand-controller@1 { 52 compatible = "ingenic,jz4780-nand"; 53 reg = <1 0 0x1000000>; 54 55 #address-cells = <1>; 56 #size-cells = <0>; 57 58 ingenic,bch-controller = <&bch>; 59 60 ingenic,nemc-tAS = <10>; 61 ingenic,nemc-tAH = <5>; 62 ingenic,nemc-tBP = <10>; 63 ingenic,nemc-tAW = <15>; 64 ingenic,nemc-tSTRV = <100>; 65 66 nand@1 { 67 reg = <1>; 68 69 nand-ecc-step-size = <1024>; 70 nand-ecc-strength = <24>; 71 nand-ecc-mode = "hw"; 72 nand-on-flash-bbt; 73 74 partitions { 75 compatible = "fixed-partitions"; 76 #address-cells = <2>; 77 #size-cells = <2>; 78 79 partition@0 { 80 label = "u-boot-spl"; 81 reg = <0x0 0x0 0x0 0x800000>; 82 }; 83 84 partition@0x800000 { 85 label = "u-boot"; 86 reg = <0x0 0x800000 0x0 0x200000>; 87 }; 88 89 partition@0xa00000 { 90 label = "u-boot-env"; 91 reg = <0x0 0xa00000 0x0 0x200000>; 92 }; 93 94 partition@0xc00000 { 95 label = "boot"; 96 reg = <0x0 0xc00000 0x0 0x4000000>; 97 }; 98 99 partition@0x8c00000 { 100 label = "system"; 101 reg = <0x0 0x4c00000 0x1 0xfb400000>; 102 }; 103 }; 104 }; 105 }; 106}; 107 108&bch { 109 status = "okay"; 110}; 111 112&mmc0 { 113 bus-width = <4>; 114 max-frequency = <50000000>; 115 status = "okay"; 116}; 117 118&mmc1 { 119 bus-width = <4>; 120 max-frequency = <50000000>; 121 status = "okay"; 122}; 123