arch/arm/boot/dts/r8a7792-wheat.dts

   1 /*
   2  * Device Tree Source for the Wheat board
   3  *
   4  * Copyright (C) 2016 Renesas Electronics Corporation
   5  * Copyright (C) 2016 Cogent  Embedded, Inc.
   6  *
   7  * This file is licensed under the terms of the GNU General Public License
   8  * version 2.  This program is licensed "as is" without any warranty of any
   9  * kind, whether express or implied.
  10  */
  11
  12 /dts-v1/;
  13 #include "r8a7792.dtsi"
  14 #include <dt-bindings/gpio/gpio.h>
  15 #include <dt-bindings/input/input.h>
  16
  17 / {
  18         model = "Wheat";
  19         compatible = "renesas,wheat", "renesas,r8a7792";
  20
  21         aliases {
  22                 serial0 = &scif0;
  23         };
  24
  25         chosen {
  26                 bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
  27                 stdout-path = "serial0:115200n8";
  28         };
  29
  30         memory@40000000 {
  31                 device_type = "memory";
  32                 reg = <0 0x40000000 0 0x40000000>;
  33         };
  34
  35         d3_3v: regulator-3v3 {
  36                 compatible = "regulator-fixed";
  37                 regulator-name = "D3.3V";
  38                 regulator-min-microvolt = <3300000>;
  39                 regulator-max-microvolt = <3300000>;
  40                 regulator-boot-on;
  41                 regulator-always-on;
  42         };
  43
  44         ethernet@18000000 {
  45                 compatible = "smsc,lan89218", "smsc,lan9115";
  46                 reg = <0 0x18000000 0 0x100>;
  47                 phy-mode = "mii";
  48                 interrupt-parent = <&irqc>;
  49                 interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
  50                 smsc,irq-push-pull;
  51                 smsc,save-mac-address;
  52                 reg-io-width = <4>;
  53                 vddvario-supply = <&d3_3v>;
  54                 vdd33a-supply = <&d3_3v>;
  55
  56                 pinctrl-0 = <&lan89218_pins>;
  57                 pinctrl-names = "default";
  58         };
  59
  60         keyboard {
  61                 compatible = "gpio-keys";
  62
  63                 key-a {
  64                         linux,code = <KEY_A>;
  65                         label = "SW2";
  66                         wakeup-source;
  67                         debounce-interval = <20>;
  68                         gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
  69                 };
  70                 key-b {
  71                         linux,code = <KEY_B>;
  72                         label = "SW3";
  73                         wakeup-source;
  74                         debounce-interval = <20>;
  75                         gpios = <&gpio11 2 GPIO_ACTIVE_LOW>;
  76                 };
  77         };
  78
  79         vcc_sdhi0: regulator-vcc-sdhi0 {
  80                 compatible = "regulator-fixed";
  81
  82                 regulator-name = "SDHI0 Vcc";
  83                 regulator-min-microvolt = <3300000>;
  84                 regulator-max-microvolt = <3300000>;
  85
  86                 gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
  87                 enable-active-high;
  88         };
  89 };
  90
  91 &extal_clk {
  92         clock-frequency = <20000000>;
  93 };
  94
  95 &pfc {
  96         scif0_pins: scif0 {
  97                 groups = "scif0_data";
  98                 function = "scif0";
  99         };
 100
 101         lan89218_pins: lan89218 {
 102                 intc {
 103                         groups = "intc_irq0";
 104                         function = "intc";
 105                 };
 106                 lbsc {
 107                         groups = "lbsc_ex_cs0";
 108                         function = "lbsc";
 109                 };
 110         };
 111
 112         can0_pins: can0 {
 113                 groups = "can0_data";
 114                 function = "can0";
 115         };
 116
 117         can1_pins: can1 {
 118                 groups = "can1_data";
 119                 function = "can1";
 120         };
 121
 122         sdhi0_pins: sdhi0 {
 123                 groups = "sdhi0_data4", "sdhi0_ctrl";
 124                 function = "sdhi0";
 125         };
 126
 127         qspi_pins: qspi {
 128                 groups = "qspi_ctrl", "qspi_data4";
 129                 function = "qspi";
 130         };
 131 };
 132
 133 &scif0 {
 134         pinctrl-0 = <&scif0_pins>;
 135         pinctrl-names = "default";
 136
 137         status = "okay";
 138 };
 139
 140 &can0 {
 141         pinctrl-0 = <&can0_pins>;
 142         pinctrl-names = "default";
 143
 144         status = "okay";
 145 };
 146
 147 &can1 {
 148         pinctrl-0 = <&can1_pins>;
 149         pinctrl-names = "default";
 150
 151         status = "okay";
 152 };
 153
 154 &sdhi0 {
 155         pinctrl-0 = <&sdhi0_pins>;
 156         pinctrl-names = "default";
 157
 158         vmmc-supply = <&vcc_sdhi0>;
 159         cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
 160         status = "okay";
 161 };
 162
 163 &qspi {
 164         pinctrl-0 = <&qspi_pins>;
 165         pinctrl-names = "default";
 166         status = "okay";
 167
 168         flash@0 {
 169                 compatible = "spansion,s25fl512s", "jedec,spi-nor";
 170                 reg = <0>;
 171                 spi-max-frequency = <30000000>;
 172                 spi-tx-bus-width = <4>;
 173                 spi-rx-bus-width = <4>;
 174                 spi-cpol;
 175                 spi-cpha;
 176                 m25p,fast-read;
 177
 178                 partitions {
 179                         compatible = "fixed-partitions";
 180                         #address-cells = <1>;
 181                         #size-cells = <1>;
 182
 183                         partition@0 {
 184                                 label = "loader";
 185                                 reg = <0x00000000 0x00040000>;
 186                                 read-only;
 187                         };
 188                         partition@40000 {
 189                                 label = "user";
 190                                 reg = <0x00040000 0x00400000>;
 191                                 read-only;
 192                         };
 193                         partition@440000 {
 194                                 label = "flash";
 195                                 reg = <0x00440000 0x03bc0000>;
 196                         };
 197                 };
 198         };
 199 };