arch/arm/dts/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                 serial1 = &scif1;
  22                 ethernet0 = &avb;
  23         };
  24
  25         chosen {
  26                 bootargs = "ignore_loglevel";
  27                 stdout-path = "serial0:115200n8";
  28         };
  29
  30         memory@48000000 {
  31                 device_type = "memory";
  32                 /* first 128MB is reserved for secure area. */
  33                 reg = <0x0 0x48000000 0x0 0x78000000>;
  34         };
  35
  36         memory@600000000 {
  37                 device_type = "memory";
  38                 reg = <0x6 0x00000000 0x0 0x80000000>;
  39         };
  40
  41         reg_1p8v: regulator0 {
  42                 compatible = "regulator-fixed";
  43                 regulator-name = "fixed-1.8V";
  44                 regulator-min-microvolt = <1800000>;
  45                 regulator-max-microvolt = <1800000>;
  46                 regulator-boot-on;
  47                 regulator-always-on;
  48         };
  49
  50         reg_3p3v: regulator1 {
  51                 compatible = "regulator-fixed";
  52                 regulator-name = "fixed-3.3V";
  53                 regulator-min-microvolt = <3300000>;
  54                 regulator-max-microvolt = <3300000>;
  55                 regulator-boot-on;
  56                 regulator-always-on;
  57         };
  58
  59         vcc_sdhi0: regulator-vcc-sdhi0 {
  60                 compatible = "regulator-fixed";
  61
  62                 regulator-name = "SDHI0 Vcc";
  63                 regulator-min-microvolt = <3300000>;
  64                 regulator-max-microvolt = <3300000>;
  65
  66                 gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
  67                 enable-active-high;
  68         };
  69
  70         vccq_sdhi0: regulator-vccq-sdhi0 {
  71                 compatible = "regulator-gpio";
  72
  73                 regulator-name = "SDHI0 VccQ";
  74                 regulator-min-microvolt = <1800000>;
  75                 regulator-max-microvolt = <3300000>;
  76
  77                 gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
  78                 gpios-states = <1>;
  79                 states = <3300000 1
  80                           1800000 0>;
  81         };
  82
  83         vcc_sdhi3: regulator-vcc-sdhi3 {
  84                 compatible = "regulator-fixed";
  85
  86                 regulator-name = "SDHI3 Vcc";
  87                 regulator-min-microvolt = <3300000>;
  88                 regulator-max-microvolt = <3300000>;
  89
  90                 gpio = <&gpio3 15 GPIO_ACTIVE_HIGH>;
  91                 enable-active-high;
  92         };
  93
  94         vccq_sdhi3: regulator-vccq-sdhi3 {
  95                 compatible = "regulator-gpio";
  96
  97                 regulator-name = "SDHI3 VccQ";
  98                 regulator-min-microvolt = <1800000>;
  99                 regulator-max-microvolt = <3300000>;
 100
 101                 gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
 102                 gpios-states = <1>;
 103                 states = <3300000 1
 104                           1800000 0>;
 105         };
 106 };
 107
 108 &pfc {
 109         pinctrl-0 = <&scif_clk_pins>;
 110         pinctrl-names = "default";
 111
 112         avb_pins: avb {
 113                 groups = "avb_mdc";
 114                 function = "avb";
 115         };
 116
 117         scif1_pins: scif1 {
 118                 groups = "scif1_data_a", "scif1_ctrl";
 119                 function = "scif1";
 120         };
 121
 122         scif2_pins: scif2 {
 123                 groups = "scif2_data_a";
 124                 function = "scif2";
 125         };
 126         scif_clk_pins: scif_clk {
 127                 groups = "scif_clk_a";
 128                 function = "scif_clk";
 129         };
 130
 131         i2c2_pins: i2c2 {
 132                 groups = "i2c2_a";
 133                 function = "i2c2";
 134         };
 135
 136         sdhi0_pins: sd0 {
 137                 groups = "sdhi0_data4", "sdhi0_ctrl";
 138                 function = "sdhi0";
 139                 power-source = <3300>;
 140         };
 141
 142         sdhi0_pins_uhs: sd0_uhs {
 143                 groups = "sdhi0_data4", "sdhi0_ctrl";
 144                 function = "sdhi0";
 145                 power-source = <1800>;
 146         };
 147
 148         sdhi2_pins: sd2 {
 149                 groups = "sdhi2_data8", "sdhi2_ctrl";
 150                 function = "sdhi2";
 151                 power-source = <3300>;
 152         };
 153
 154         sdhi2_pins_uhs: sd2_uhs {
 155                 groups = "sdhi2_data8", "sdhi2_ctrl";
 156                 function = "sdhi2";
 157                 power-source = <1800>;
 158         };
 159
 160         sdhi3_pins: sd3 {
 161                 groups = "sdhi3_data4", "sdhi3_ctrl";
 162                 function = "sdhi3";
 163                 power-source = <3300>;
 164         };
 165
 166         sdhi3_pins_uhs: sd3_uhs {
 167                 groups = "sdhi3_data4", "sdhi3_ctrl";
 168                 function = "sdhi3";
 169                 power-source = <1800>;
 170         };
 171 };
 172
 173 &avb {
 174         pinctrl-0 = <&avb_pins>;
 175         pinctrl-names = "default";
 176         renesas,no-ether-link;
 177         phy-handle = <&phy0>;
 178         status = "okay";
 179
 180         phy0: ethernet-phy@0 {
 181                 rxc-skew-ps = <1500>;
 182                 reg = <0>;
 183                 interrupt-parent = <&gpio2>;
 184                 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
 185         };
 186 };
 187
 188 &extal_clk {
 189         clock-frequency = <16666666>;
 190 };
 191
 192 &extalr_clk {
 193         clock-frequency = <32768>;
 194 };
 195
 196 &sdhi0 {
 197         pinctrl-0 = <&sdhi0_pins>;
 198         pinctrl-1 = <&sdhi0_pins_uhs>;
 199         pinctrl-names = "default", "state_uhs";
 200
 201         vmmc-supply = <&vcc_sdhi0>;
 202         vqmmc-supply = <&vccq_sdhi0>;
 203         cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
 204         wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
 205         bus-width = <4>;
 206         sd-uhs-sdr50;
 207         status = "okay";
 208 };
 209
 210 &sdhi2 {
 211         /* used for on-board 8bit eMMC */
 212         pinctrl-0 = <&sdhi2_pins>;
 213         pinctrl-1 = <&sdhi2_pins_uhs>;
 214         pinctrl-names = "default", "state_uhs";
 215
 216         vmmc-supply = <&reg_3p3v>;
 217         vqmmc-supply = <&reg_1p8v>;
 218         bus-width = <8>;
 219         non-removable;
 220         status = "okay";
 221 };
 222
 223 &sdhi3 {
 224         pinctrl-0 = <&sdhi3_pins>;
 225         pinctrl-1 = <&sdhi3_pins_uhs>;
 226         pinctrl-names = "default", "state_uhs";
 227
 228         vmmc-supply = <&vcc_sdhi3>;
 229         vqmmc-supply = <&vccq_sdhi3>;
 230         cd-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
 231         wp-gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>;
 232         bus-width = <4>;
 233         sd-uhs-sdr50;
 234         status = "okay";
 235 };
 236
 237 &scif1 {
 238         pinctrl-0 = <&scif1_pins>;
 239         pinctrl-names = "default";
 240
 241         uart-has-rtscts;
 242         status = "okay";
 243 };
 244
 245 &scif2 {
 246         pinctrl-0 = <&scif2_pins>;
 247         pinctrl-names = "default";
 248         status = "okay";
 249 };
 250
 251 &scif_clk {
 252         clock-frequency = <14745600>;
 253 };
 254
 255 &i2c2 {
 256         pinctrl-0 = <&i2c2_pins>;
 257         pinctrl-names = "default";
 258
 259         status = "okay";
 260 };
 261
 262 &wdt0 {
 263         timeout-sec = <60>;
 264         status = "okay";
 265 };
 266
 267 &i2c_dvfs {
 268         status = "okay";
 269 };