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      1 // SPDX-License-Identifier: GPL-2.0+
      2 /*
      3  *  Copyright (C) 2013 Altera Corporation <www.altera.com>
      4  */
      5 
      6 #include "socfpga_arria5.dtsi"
      7 
      8 / {
      9 	model = "Altera SOCFPGA Arria V SoC Development Kit";
     10 	compatible = "altr,socfpga-arria5", "altr,socfpga";
     11 
     12 	chosen {
     13 		bootargs = "console=ttyS0,115200";
     14 	};
     15 
     16 	memory {
     17 		name = "memory";
     18 		device_type = "memory";
     19 		reg = <0x0 0x40000000>; /* 1GB */
     20 	};
     21 
     22 	aliases {
     23 		/* this allow the ethaddr uboot environment variable contents
     24 		 * to be added to the gmac1 device tree blob.
     25 		 */
     26 		ethernet0 = &gmac1;
     27 		udc0 = &usb1;
     28 	};
     29 
     30 	regulator_3_3v: 3-3-v-regulator {
     31 		compatible = "regulator-fixed";
     32 		regulator-name = "3.3V";
     33 		regulator-min-microvolt = <3300000>;
     34 		regulator-max-microvolt = <3300000>;
     35 	};
     36 
     37 	soc {
     38 		u-boot,dm-pre-reloc;
     39 	};
     40 };
     41 
     42 &gmac1 {
     43 	status = "okay";
     44 	phy-mode = "rgmii";
     45 
     46 	rxd0-skew-ps = <0>;
     47 	rxd1-skew-ps = <0>;
     48 	rxd2-skew-ps = <0>;
     49 	rxd3-skew-ps = <0>;
     50 	txen-skew-ps = <0>;
     51 	txc-skew-ps = <2600>;
     52 	rxdv-skew-ps = <0>;
     53 	rxc-skew-ps = <2000>;
     54 };
     55 
     56 &i2c0 {
     57 	status = "okay";
     58 
     59 	eeprom@51 {
     60 		compatible = "atmel,24c32";
     61 		reg = <0x51>;
     62 		pagesize = <32>;
     63 	};
     64 
     65 	rtc@68 {
     66 		compatible = "dallas,ds1339";
     67 		reg = <0x68>;
     68 	};
     69 };
     70 
     71 &mmc0 {
     72 	vmmc-supply = <&regulator_3_3v>;
     73 	vqmmc-supply = <&regulator_3_3v>;
     74 	bus-width = <4>;
     75 	u-boot,dm-pre-reloc;
     76 };
     77 
     78 &usb1 {
     79 	status = "okay";
     80 };
     81 
     82 &qspi {
     83 	status = "okay";
     84 	u-boot,dm-pre-reloc;
     85 
     86 	flash0: n25q00@0 {
     87 		u-boot,dm-pre-reloc;
     88 		#address-cells = <1>;
     89 		#size-cells = <1>;
     90 		compatible = "n25q00", "spi-flash";
     91 		reg = <0>;      /* chip select */
     92 		spi-max-frequency = <50000000>;
     93 		m25p,fast-read;
     94 		page-size = <256>;
     95 		block-size = <16>; /* 2^16, 64KB */
     96 		cdns,tshsl-ns = <50>;
     97 		cdns,tsd2d-ns = <50>;
     98 		cdns,tchsh-ns = <4>;
     99 		cdns,tslch-ns = <4>;
    100 	};
    101 };
    102