arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts

   1 /*
   2  * Device Tree Source for the Salvator-X board
   3  *
   4  * Copyright (C) 2016 Renesas Electronics Corp.
   5  *
   6  * This file is licensed under the terms of the GNU General Public License
   7  * version 2.  This program is licensed "as is" without any warranty of any
   8  * kind, whether express or implied.
   9  */
  10
  11 /dts-v1/;
  12 #include "r8a7796.dtsi"
  13 #include <dt-bindings/gpio/gpio.h>
  14
  15 / {
  16         model = "Renesas Salvator-X board based on r8a7796";
  17         compatible = "renesas,salvator-x", "renesas,r8a7796";
  18
  19         aliases {
  20                 serial0 = &scif2;
  21                 ethernet0 = &avb;
  22         };
  23
  24         chosen {
  25                 bootargs = "ignore_loglevel";
  26                 stdout-path = "serial0:115200n8";
  27         };
  28
  29         memory@48000000 {
  30                 device_type = "memory";
  31                 /* first 128MB is reserved for secure area. */
  32                 reg = <0x0 0x48000000 0x0 0x78000000>;
  33         };
  34
  35         memory@600000000 {
  36                 device_type = "memory";
  37                 reg = <0x6 0x00000000 0x0 0x80000000>;
  38         };
  39
  40         reg_1p8v: regulator0 {
  41                 compatible = "regulator-fixed";
  42                 regulator-name = "fixed-1.8V";
  43                 regulator-min-microvolt = <1800000>;
  44                 regulator-max-microvolt = <1800000>;
  45                 regulator-boot-on;
  46                 regulator-always-on;
  47         };
  48
  49         reg_3p3v: regulator1 {
  50                 compatible = "regulator-fixed";
  51                 regulator-name = "fixed-3.3V";
  52                 regulator-min-microvolt = <3300000>;
  53                 regulator-max-microvolt = <3300000>;
  54                 regulator-boot-on;
  55                 regulator-always-on;
  56         };
  57
  58         vcc_sdhi0: regulator-vcc-sdhi0 {
  59                 compatible = "regulator-fixed";
  60
  61                 regulator-name = "SDHI0 Vcc";
  62                 regulator-min-microvolt = <3300000>;
  63                 regulator-max-microvolt = <3300000>;
  64
  65                 gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
  66                 enable-active-high;
  67         };
  68
  69         vccq_sdhi0: regulator-vccq-sdhi0 {
  70                 compatible = "regulator-gpio";
  71
  72                 regulator-name = "SDHI0 VccQ";
  73                 regulator-min-microvolt = <1800000>;
  74                 regulator-max-microvolt = <3300000>;
  75
  76                 gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
  77                 gpios-states = <1>;
  78                 states = <3300000 1
  79                           1800000 0>;
  80         };
  81
  82         vcc_sdhi3: regulator-vcc-sdhi3 {
  83                 compatible = "regulator-fixed";
  84
  85                 regulator-name = "SDHI3 Vcc";
  86                 regulator-min-microvolt = <3300000>;
  87                 regulator-max-microvolt = <3300000>;
  88
  89                 gpio = <&gpio3 15 GPIO_ACTIVE_HIGH>;
  90                 enable-active-high;
  91         };
  92
  93         vccq_sdhi3: regulator-vccq-sdhi3 {
  94                 compatible = "regulator-gpio";
  95
  96                 regulator-name = "SDHI3 VccQ";
  97                 regulator-min-microvolt = <1800000>;
  98                 regulator-max-microvolt = <3300000>;
  99
 100                 gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
 101                 gpios-states = <1>;
 102                 states = <3300000 1
 103                           1800000 0>;
 104         };
 105 };
 106
 107 &pfc {
 108         pinctrl-0 = <&scif_clk_pins>;
 109         pinctrl-names = "default";
 110
 111         avb_pins: avb {
 112                 groups = "avb_mdc";
 113                 function = "avb";
 114         };
 115
 116         scif2_pins: scif2 {
 117                 groups = "scif2_data_a";
 118                 function = "scif2";
 119         };
 120         scif_clk_pins: scif_clk {
 121                 groups = "scif_clk_a";
 122                 function = "scif_clk";
 123         };
 124
 125         i2c2_pins: i2c2 {
 126                 groups = "i2c2_a";
 127                 function = "i2c2";
 128         };
 129
 130         sdhi0_pins: sd0 {
 131                 groups = "sdhi0_data4", "sdhi0_ctrl";
 132                 function = "sdhi0";
 133                 power-source = <3300>;
 134         };
 135
 136         sdhi0_pins_uhs: sd0_uhs {
 137                 groups = "sdhi0_data4", "sdhi0_ctrl";
 138                 function = "sdhi0";
 139                 power-source = <1800>;
 140         };
 141
 142         sdhi2_pins: sd2 {
 143                 groups = "sdhi2_data8", "sdhi2_ctrl";
 144                 function = "sdhi2";
 145                 power-source = <3300>;
 146         };
 147
 148         sdhi2_pins_uhs: sd2_uhs {
 149                 groups = "sdhi2_data8", "sdhi2_ctrl";
 150                 function = "sdhi2";
 151                 power-source = <1800>;
 152         };
 153
 154         sdhi3_pins: sd3 {
 155                 groups = "sdhi3_data4", "sdhi3_ctrl";
 156                 function = "sdhi3";
 157                 power-source = <3300>;
 158         };
 159
 160         sdhi3_pins_uhs: sd3_uhs {
 161                 groups = "sdhi3_data4", "sdhi3_ctrl";
 162                 function = "sdhi3";
 163                 power-source = <1800>;
 164         };
 165 };
 166
 167 &avb {
 168         pinctrl-0 = <&avb_pins>;
 169         pinctrl-names = "default";
 170         renesas,no-ether-link;
 171         phy-handle = <&phy0>;
 172         status = "okay";
 173
 174         phy0: ethernet-phy@0 {
 175                 rxc-skew-ps = <900>;
 176                 rxdv-skew-ps = <0>;
 177                 rxd0-skew-ps = <0>;
 178                 rxd1-skew-ps = <0>;
 179                 rxd2-skew-ps = <0>;
 180                 rxd3-skew-ps = <0>;
 181                 txc-skew-ps = <900>;
 182                 txen-skew-ps = <0>;
 183                 txd0-skew-ps = <0>;
 184                 txd1-skew-ps = <0>;
 185                 txd2-skew-ps = <0>;
 186                 txd3-skew-ps = <0>;
 187                 reg = <0>;
 188                 interrupt-parent = <&gpio2>;
 189                 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
 190         };
 191 };
 192
 193 &extal_clk {
 194         clock-frequency = <16666666>;
 195 };
 196
 197 &extalr_clk {
 198         clock-frequency = <32768>;
 199 };
 200
 201 &sdhi0 {
 202         pinctrl-0 = <&sdhi0_pins>;
 203         pinctrl-1 = <&sdhi0_pins_uhs>;
 204         pinctrl-names = "default", "state_uhs";
 205
 206         vmmc-supply = <&vcc_sdhi0>;
 207         vqmmc-supply = <&vccq_sdhi0>;
 208         cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
 209         wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
 210         bus-width = <4>;
 211         sd-uhs-sdr50;
 212         status = "okay";
 213 };
 214
 215 &sdhi2 {
 216         /* used for on-board 8bit eMMC */
 217         pinctrl-0 = <&sdhi2_pins>;
 218         pinctrl-1 = <&sdhi2_pins_uhs>;
 219         pinctrl-names = "default", "state_uhs";
 220
 221         vmmc-supply = <&reg_3p3v>;
 222         vqmmc-supply = <&reg_1p8v>;
 223         bus-width = <8>;
 224         non-removable;
 225         status = "okay";
 226 };
 227
 228 &sdhi3 {
 229         pinctrl-0 = <&sdhi3_pins>;
 230         pinctrl-1 = <&sdhi3_pins_uhs>;
 231         pinctrl-names = "default", "state_uhs";
 232
 233         vmmc-supply = <&vcc_sdhi3>;
 234         vqmmc-supply = <&vccq_sdhi3>;
 235         cd-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
 236         wp-gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>;
 237         bus-width = <4>;
 238         sd-uhs-sdr50;
 239         status = "okay";
 240 };
 241
 242 &scif2 {
 243         pinctrl-0 = <&scif2_pins>;
 244         pinctrl-names = "default";
 245         status = "okay";
 246 };
 247
 248 &scif_clk {
 249         clock-frequency = <14745600>;
 250         status = "okay";
 251 };
 252
 253 &i2c2 {
 254         pinctrl-0 = <&i2c2_pins>;
 255         pinctrl-names = "default";
 256
 257         status = "okay";
 258 };
 259
 260 &wdt0 {
 261         timeout-sec = <60>;
 262         status = "okay";
 263 };