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         };
  22
  23         chosen {
  24                 bootargs = "ignore_loglevel";
  25                 stdout-path = "serial0:115200n8";
  26         };
  27
  28         memory@48000000 {
  29                 device_type = "memory";
  30                 /* first 128MB is reserved for secure area. */
  31                 reg = <0x0 0x48000000 0x0 0x78000000>;
  32         };
  33
  34         reg_1p8v: regulator0 {
  35                 compatible = "regulator-fixed";
  36                 regulator-name = "fixed-1.8V";
  37                 regulator-min-microvolt = <1800000>;
  38                 regulator-max-microvolt = <1800000>;
  39                 regulator-boot-on;
  40                 regulator-always-on;
  41         };
  42
  43         reg_3p3v: regulator1 {
  44                 compatible = "regulator-fixed";
  45                 regulator-name = "fixed-3.3V";
  46                 regulator-min-microvolt = <3300000>;
  47                 regulator-max-microvolt = <3300000>;
  48                 regulator-boot-on;
  49                 regulator-always-on;
  50         };
  51
  52         vcc_sdhi0: regulator-vcc-sdhi0 {
  53                 compatible = "regulator-fixed";
  54
  55                 regulator-name = "SDHI0 Vcc";
  56                 regulator-min-microvolt = <3300000>;
  57                 regulator-max-microvolt = <3300000>;
  58
  59                 gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
  60                 enable-active-high;
  61         };
  62
  63         vccq_sdhi0: regulator-vccq-sdhi0 {
  64                 compatible = "regulator-gpio";
  65
  66                 regulator-name = "SDHI0 VccQ";
  67                 regulator-min-microvolt = <1800000>;
  68                 regulator-max-microvolt = <3300000>;
  69
  70                 gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
  71                 gpios-states = <1>;
  72                 states = <3300000 1
  73                           1800000 0>;
  74         };
  75
  76         vcc_sdhi3: regulator-vcc-sdhi3 {
  77                 compatible = "regulator-fixed";
  78
  79                 regulator-name = "SDHI3 Vcc";
  80                 regulator-min-microvolt = <3300000>;
  81                 regulator-max-microvolt = <3300000>;
  82
  83                 gpio = <&gpio3 15 GPIO_ACTIVE_HIGH>;
  84                 enable-active-high;
  85         };
  86
  87         vccq_sdhi3: regulator-vccq-sdhi3 {
  88                 compatible = "regulator-gpio";
  89
  90                 regulator-name = "SDHI3 VccQ";
  91                 regulator-min-microvolt = <1800000>;
  92                 regulator-max-microvolt = <3300000>;
  93
  94                 gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
  95                 gpios-states = <1>;
  96                 states = <3300000 1
  97                           1800000 0>;
  98         };
  99 };
 100
 101 &pfc {
 102         pinctrl-0 = <&scif_clk_pins>;
 103         pinctrl-names = "default";
 104
 105         scif2_pins: scif2 {
 106                 groups = "scif2_data_a";
 107                 function = "scif2";
 108         };
 109         scif_clk_pins: scif_clk {
 110                 groups = "scif_clk_a";
 111                 function = "scif_clk";
 112         };
 113
 114         i2c2_pins: i2c2 {
 115                 groups = "i2c2_a";
 116                 function = "i2c2";
 117         };
 118
 119         sdhi0_pins: sd0 {
 120                 groups = "sdhi0_data4", "sdhi0_ctrl";
 121                 function = "sdhi0";
 122                 power-source = <3300>;
 123         };
 124
 125         sdhi0_pins_uhs: sd0_uhs {
 126                 groups = "sdhi0_data4", "sdhi0_ctrl";
 127                 function = "sdhi0";
 128                 power-source = <1800>;
 129         };
 130
 131         sdhi2_pins: sd2 {
 132                 groups = "sdhi2_data8", "sdhi2_ctrl";
 133                 function = "sdhi2";
 134                 power-source = <3300>;
 135         };
 136
 137         sdhi2_pins_uhs: sd2_uhs {
 138                 groups = "sdhi2_data8", "sdhi2_ctrl";
 139                 function = "sdhi2";
 140                 power-source = <1800>;
 141         };
 142
 143         sdhi3_pins: sd3 {
 144                 groups = "sdhi3_data4", "sdhi3_ctrl";
 145                 function = "sdhi3";
 146                 power-source = <3300>;
 147         };
 148
 149         sdhi3_pins_uhs: sd3_uhs {
 150                 groups = "sdhi3_data4", "sdhi3_ctrl";
 151                 function = "sdhi3";
 152                 power-source = <1800>;
 153         };
 154 };
 155
 156 &extal_clk {
 157         clock-frequency = <16666666>;
 158 };
 159
 160 &extalr_clk {
 161         clock-frequency = <32768>;
 162 };
 163
 164 &sdhi0 {
 165         pinctrl-0 = <&sdhi0_pins>;
 166         pinctrl-1 = <&sdhi0_pins_uhs>;
 167         pinctrl-names = "default", "state_uhs";
 168
 169         vmmc-supply = <&vcc_sdhi0>;
 170         vqmmc-supply = <&vccq_sdhi0>;
 171         cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
 172         wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
 173         bus-width = <4>;
 174         sd-uhs-sdr50;
 175         status = "okay";
 176 };
 177
 178 &sdhi2 {
 179         /* used for on-board 8bit eMMC */
 180         pinctrl-0 = <&sdhi2_pins>;
 181         pinctrl-1 = <&sdhi2_pins_uhs>;
 182         pinctrl-names = "default", "state_uhs";
 183
 184         vmmc-supply = <&reg_3p3v>;
 185         vqmmc-supply = <&reg_1p8v>;
 186         bus-width = <8>;
 187         non-removable;
 188         status = "okay";
 189 };
 190
 191 &sdhi3 {
 192         pinctrl-0 = <&sdhi3_pins>;
 193         pinctrl-1 = <&sdhi3_pins_uhs>;
 194         pinctrl-names = "default", "state_uhs";
 195
 196         vmmc-supply = <&vcc_sdhi3>;
 197         vqmmc-supply = <&vccq_sdhi3>;
 198         cd-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
 199         wp-gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>;
 200         bus-width = <4>;
 201         sd-uhs-sdr50;
 202         status = "okay";
 203 };
 204
 205 &scif2 {
 206         pinctrl-0 = <&scif2_pins>;
 207         pinctrl-names = "default";
 208         status = "okay";
 209 };
 210
 211 &scif_clk {
 212         clock-frequency = <14745600>;
 213         status = "okay";
 214 };
 215
 216 &i2c2 {
 217         pinctrl-0 = <&i2c2_pins>;
 218         pinctrl-names = "default";
 219
 220         status = "okay";
 221 };
 222
 223 &wdt0 {
 224         timeout-sec = <60>;
 225         status = "okay";
 226 };