arch/arm/boot/dts/socfpga_arria10_socdk_qspi.dts

   1 /*
   2  * Copyright (C) 2016 Intel. All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with
  14  * this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 /dts-v1/;
  18 #include "socfpga_arria10_socdk.dtsi"
  19
  20 &qspi {
  21         status = "okay";
  22
  23         flash0: n25q00@0 {
  24                 #address-cells = <1>;
  25                 #size-cells = <1>;
  26                 compatible = "n25q00aa";
  27                 reg = <0>;
  28                 spi-max-frequency = <100000000>;
  29
  30                 m25p,fast-read;
  31                 cdns,page-size = <256>;
  32                 cdns,block-size = <16>;
  33                 cdns,read-delay = <4>;
  34                 cdns,tshsl-ns = <50>;
  35                 cdns,tsd2d-ns = <50>;
  36                 cdns,tchsh-ns = <4>;
  37                 cdns,tslch-ns = <4>;
  38
  39                 partition@qspi-boot {
  40                         label = "Boot and fpga data";
  41                         reg = <0x0 0x2720000>;
  42                 };
  43
  44                 partition@qspi-rootfs {
  45                         label = "Root Filesystem - JFFS2";
  46                         reg = <0x2720000 0x58E0000>;
  47                 };
  48         };
  49 };