1/* 2 * Copyright (c) 2017 MediaTek Inc. 3 * Author: John Crispin <john@phrozen.org> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 */ 14 15/dts-v1/; 16#include "mt7623n-rfb.dtsi" 17 18/ { 19 model = "MediaTek MT7623N NAND reference board"; 20 compatible = "mediatek,mt7623n-rfb-nand", "mediatek,mt7623"; 21}; 22 23&bch { 24 status = "okay"; 25}; 26 27&nandc { 28 status = "okay"; 29 pinctrl-names = "default"; 30 pinctrl-0 = <&nand_pins_default>; 31 32 nand@0 { 33 reg = <0>; 34 spare_per_sector = <64>; 35 nand-ecc-mode = "hw"; 36 nand-ecc-strength = <12>; 37 nand-ecc-step-size = <1024>; 38 39 partitions { 40 compatible = "fixed-partitions"; 41 #address-cells = <1>; 42 #size-cells = <1>; 43 44 partition@0 { 45 label = "preloader"; 46 reg = <0x0 0x40000>; 47 }; 48 49 partition@40000 { 50 label = "uboot"; 51 reg = <0x40000 0x80000>; 52 }; 53 54 partition@C0000 { 55 label = "uboot-env"; 56 reg = <0xC0000 0x40000>; 57 }; 58 59 partition@140000 { 60 label = "bootimg"; 61 reg = <0x140000 0x2000000>; 62 }; 63 64 partition@2140000 { 65 label = "recovery"; 66 reg = <0x2140000 0x2000000>; 67 }; 68 69 partition@4140000 { 70 label = "rootfs"; 71 reg = <0x4140000 0x1000000>; 72 }; 73 74 partition@5140000 { 75 label = "usrdata"; 76 reg = <0x5140000 0x1000000>; 77 }; 78 }; 79 }; 80}; 81 82&pio { 83 nand_pins_default: nanddefault { 84 pins_ale { 85 pinmux = <MT7623_PIN_116_MSDC0_CMD_FUNC_NALE>; 86 drive-strength = <MTK_DRIVE_8mA>; 87 bias-pull-down = <MTK_PUPD_SET_R1R0_10>; 88 }; 89 90 pins_dat { 91 pinmux = <MT7623_PIN_111_MSDC0_DAT7_FUNC_NLD7>, 92 <MT7623_PIN_112_MSDC0_DAT6_FUNC_NLD6>, 93 <MT7623_PIN_114_MSDC0_DAT4_FUNC_NLD4>, 94 <MT7623_PIN_118_MSDC0_DAT3_FUNC_NLD3>, 95 <MT7623_PIN_121_MSDC0_DAT0_FUNC_NLD0>, 96 <MT7623_PIN_120_MSDC0_DAT1_FUNC_NLD1>, 97 <MT7623_PIN_113_MSDC0_DAT5_FUNC_NLD5>, 98 <MT7623_PIN_115_MSDC0_RSTB_FUNC_NLD8>, 99 <MT7623_PIN_119_MSDC0_DAT2_FUNC_NLD2>; 100 input-enable; 101 drive-strength = <MTK_DRIVE_8mA>; 102 bias-pull-up; 103 }; 104 105 pins_we { 106 pinmux = <MT7623_PIN_117_MSDC0_CLK_FUNC_NWEB>; 107 drive-strength = <MTK_DRIVE_8mA>; 108 bias-pull-up = <MTK_PUPD_SET_R1R0_10>; 109 }; 110 }; 111}; 112