arch/arm/boot/dts/r8a7794-silk.dts

   1 /*
   2  * Device Tree Source for the SILK board
   3  *
   4  * Copyright (C) 2014 Renesas Electronics Corporation
   5  * Copyright (C) 2014-2015 Renesas Solutions Corp.
   6  * Copyright (C) 2014-2015 Cogent Embedded, Inc.
   7  *
   8  * This file is licensed under the terms of the GNU General Public License
   9  * version 2.  This program is licensed "as is" without any warranty of any
  10  * kind, whether express or implied.
  11  */
  12
  13 /dts-v1/;
  14 #include "r8a7794.dtsi"
  15
  16 / {
  17         model = "SILK";
  18         compatible = "renesas,silk", "renesas,r8a7794";
  19
  20         aliases {
  21                 serial0 = &scif2;
  22         };
  23
  24         chosen {
  25                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  26                 stdout-path = &scif2;
  27         };
  28
  29         memory@40000000 {
  30                 device_type = "memory";
  31                 reg = <0 0x40000000 0 0x40000000>;
  32         };
  33
  34         d3_3v: regulator@0 {
  35                 compatible = "regulator-fixed";
  36                 regulator-name = "D3.3V";
  37                 regulator-min-microvolt = <3300000>;
  38                 regulator-max-microvolt = <3300000>;
  39                 regulator-boot-on;
  40                 regulator-always-on;
  41         };
  42 };
  43
  44 &extal_clk {
  45         clock-frequency = <20000000>;
  46 };
  47
  48 &pfc {
  49         scif2_pins: serial2 {
  50                 renesas,groups = "scif2_data";
  51                 renesas,function = "scif2";
  52         };
  53
  54         ether_pins: ether {
  55                 renesas,groups = "eth_link", "eth_mdio", "eth_rmii";
  56                 renesas,function = "eth";
  57         };
  58
  59         phy1_pins: phy1 {
  60                 renesas,groups = "intc_irq8";
  61                 renesas,function = "intc";
  62         };
  63
  64         mmcif0_pins: mmcif0 {
  65                 renesas,groups = "mmc_data8", "mmc_ctrl";
  66                 renesas,function = "mmc";
  67         };
  68
  69         qspi_pins: spi0 {
  70                 renesas,groups = "qspi_ctrl", "qspi_data4";
  71                 renesas,function = "qspi";
  72         };
  73 };
  74
  75 &scif2 {
  76         pinctrl-0 = <&scif2_pins>;
  77         pinctrl-names = "default";
  78
  79         status = "okay";
  80 };
  81
  82 &ether {
  83         pinctrl-0 = <&ether_pins &phy1_pins>;
  84         pinctrl-names = "default";
  85
  86         phy-handle = <&phy1>;
  87         renesas,ether-link-active-low;
  88         status = "okay";
  89
  90         phy1: ethernet-phy@1 {
  91                 reg = <1>;
  92                 interrupt-parent = <&irqc0>;
  93                 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
  94                 micrel,led-mode = <1>;
  95         };
  96 };
  97
  98 &mmcif0 {
  99         pinctrl-0 = <&mmcif0_pins>;
 100         pinctrl-names = "default";
 101
 102         vmmc-supply = <&d3_3v>;
 103         vqmmc-supply = <&d3_3v>;
 104         bus-width = <8>;
 105         non-removable;
 106         status = "okay";
 107 };
 108
 109 &qspi {
 110         pinctrl-0 = <&qspi_pins>;
 111         pinctrl-names = "default";
 112
 113         status = "okay";
 114
 115         flash@0 {
 116                 #address-cells = <1>;
 117                 #size-cells = <1>;
 118                 compatible = "spansion,s25fl512s", "jedec,spi-nor";
 119                 reg = <0>;
 120                 spi-max-frequency = <30000000>;
 121                 spi-tx-bus-width = <4>;
 122                 spi-rx-bus-width = <4>;
 123                 spi-cpol;
 124                 spi-cpha;
 125                 m25p,fast-read;
 126
 127                 partition@0 {
 128                         label = "loader";
 129                         reg = <0x00000000 0x00040000>;
 130                         read-only;
 131                 };
 132                 partition@40000 {
 133                         label = "user";
 134                         reg = <0x00040000 0x00400000>;
 135                         read-only;
 136                 };
 137                 partition@440000 {
 138                         label = "flash";
 139                         reg = <0x00440000 0x03bc0000>;
 140                 };
 141         };
 142 };