arch/arm/boot/dts/mt7623n-rfb-nand.dts

   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 };