arch/arm/boot/dts/mt2701-evb.dts

   1 /*
   2  * Copyright (c) 2015 MediaTek Inc.
   3  * Author: Erin Lo <erin.lo@mediatek.com>
   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 "mt2701.dtsi"
  17
  18 / {
  19         model = "MediaTek MT2701 evaluation board";
  20         compatible = "mediatek,mt2701-evb", "mediatek,mt2701";
  21
  22         memory {
  23                 reg = <0 0x80000000 0 0x40000000>;
  24         };
  25 };
  26
  27 &auxadc {
  28         status = "okay";
  29 };
  30
  31 &pio {
  32         spi_pins_a: spi0@0 {
  33                 pins_spi {
  34                         pinmux = <MT2701_PIN_53_SPI0_CSN__FUNC_SPI0_CS>,
  35                                  <MT2701_PIN_54_SPI0_CK__FUNC_SPI0_CK>,
  36                                  <MT2701_PIN_55_SPI0_MI__FUNC_SPI0_MI>,
  37                                  <MT2701_PIN_56_SPI0_MO__FUNC_SPI0_MO>;
  38                         bias-disable;
  39                 };
  40         };
  41
  42         spi_pins_b: spi1@0 {
  43                 pins_spi {
  44                         pinmux = <MT2701_PIN_7_SPI1_CSN__FUNC_SPI1_CS>,
  45                                  <MT2701_PIN_8_SPI1_MI__FUNC_SPI1_MI>,
  46                                  <MT2701_PIN_9_SPI1_MO__FUNC_SPI1_MO>,
  47                                  <MT2701_PIN_199_SPI1_CLK__FUNC_SPI1_CK>;
  48                         bias-disable;
  49                 };
  50         };
  51
  52         spi_pins_c: spi2@0 {
  53                 pins_spi {
  54                         pinmux = <MT2701_PIN_101_SPI2_CSN__FUNC_SPI2_CS>,
  55                                  <MT2701_PIN_102_SPI2_MI__FUNC_SPI2_MI>,
  56                                  <MT2701_PIN_103_SPI2_MO__FUNC_SPI2_MO>,
  57                                  <MT2701_PIN_104_SPI2_CLK__FUNC_SPI2_CK>;
  58                         bias-disable;
  59                 };
  60         };
  61 };
  62
  63 &spi0 {
  64         pinctrl-names = "default";
  65         pinctrl-0 = <&spi_pins_a>;
  66         status = "disabled";
  67 };
  68
  69 &spi1 {
  70         pinctrl-names = "default";
  71         pinctrl-0 = <&spi_pins_b>;
  72         status = "disabled";
  73 };
  74
  75 &spi2 {
  76         pinctrl-names = "default";
  77         pinctrl-0 = <&spi_pins_c>;
  78         status = "disabled";
  79 };
  80
  81 &nor_flash {
  82         pinctrl-names = "default";
  83         pinctrl-0 = <&nor_pins_default>;
  84         status = "okay";
  85         flash@0 {
  86                 compatible = "jedec,spi-nor";
  87                 reg = <0>;
  88         };
  89 };
  90
  91 &pio {
  92         nor_pins_default: nor {
  93                 pins1 {
  94                         pinmux = <MT2701_PIN_240_EXT_XCS__FUNC_EXT_XCS>,
  95                                  <MT2701_PIN_241_EXT_SCK__FUNC_EXT_SCK>,
  96                                  <MT2701_PIN_239_EXT_SDIO0__FUNC_EXT_SDIO0>,
  97                                  <MT2701_PIN_238_EXT_SDIO1__FUNC_EXT_SDIO1>,
  98                                  <MT2701_PIN_237_EXT_SDIO2__FUNC_EXT_SDIO2>,
  99                                  <MT2701_PIN_236_EXT_SDIO3__FUNC_EXT_SDIO3>;
 100                         drive-strength = <MTK_DRIVE_4mA>;
 101                         bias-pull-up;
 102                 };
 103         };
 104 };
 105
 106 &uart0 {
 107         status = "okay";
 108 };