git.sur5r.net Git - u-boot/blob - arch/arm/dts/r8a7796-m3ulcb.dts

   1 /*
   2  * Device Tree Source for the M3ULCB (R-Car Starter Kit Pro) board
   3  *
   4  * Copyright (C) 2016 Renesas Electronics Corp.
   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 "r8a7796.dtsi"
  14 #include <dt-bindings/gpio/gpio.h>
  15 #include <dt-bindings/input/input.h>
  16
  17 / {
  18         model = "Renesas M3ULCB board based on r8a7796";
  19         compatible = "renesas,m3ulcb", "renesas,r8a7796";
  20
  21         aliases {
  22                 serial0 = &scif2;
  23         };
  24
  25         chosen {
  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 0x38000000>;
  33         };
  34
  35         leds {
  36                 compatible = "gpio-leds";
  37
  38                 led5 {
  39                         gpios = <&gpio6 12 GPIO_ACTIVE_HIGH>;
  40                 };
  41                 led6 {
  42                         gpios = <&gpio6 13 GPIO_ACTIVE_HIGH>;
  43                 };
  44         };
  45
  46         keyboard {
  47                 compatible = "gpio-keys";
  48
  49                 key-1 {
  50                         linux,code = <KEY_1>;
  51                         label = "SW3";
  52                         wakeup-source;
  53                         debounce-interval = <20>;
  54                         gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
  55                 };
  56         };
  57
  58         reg_1p8v: regulator0 {
  59                 compatible = "regulator-fixed";
  60                 regulator-name = "fixed-1.8V";
  61                 regulator-min-microvolt = <1800000>;
  62                 regulator-max-microvolt = <1800000>;
  63                 regulator-boot-on;
  64                 regulator-always-on;
  65         };
  66
  67         reg_3p3v: regulator1 {
  68                 compatible = "regulator-fixed";
  69                 regulator-name = "fixed-3.3V";
  70                 regulator-min-microvolt = <3300000>;
  71                 regulator-max-microvolt = <3300000>;
  72                 regulator-boot-on;
  73                 regulator-always-on;
  74         };
  75
  76         vcc_sdhi0: regulator-vcc-sdhi0 {
  77                 compatible = "regulator-fixed";
  78
  79                 regulator-name = "SDHI0 Vcc";
  80                 regulator-min-microvolt = <3300000>;
  81                 regulator-max-microvolt = <3300000>;
  82
  83                 gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
  84                 enable-active-high;
  85         };
  86
  87         vccq_sdhi0: regulator-vccq-sdhi0 {
  88                 compatible = "regulator-gpio";
  89
  90                 regulator-name = "SDHI0 VccQ";
  91                 regulator-min-microvolt = <1800000>;
  92                 regulator-max-microvolt = <3300000>;
  93
  94                 gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
  95                 gpios-states = <1>;
  96                 states = <3300000 1
  97                           1800000 0>;
  98         };
  99 };
 100
 101 &extal_clk {
 102         clock-frequency = <16666666>;
 103 };
 104
 105 &extalr_clk {
 106         clock-frequency = <32768>;
 107 };
 108
 109 &pfc {
 110         pinctrl-0 = <&scif_clk_pins>;
 111         pinctrl-names = "default";
 112
 113         scif2_pins: scif2 {
 114                 groups = "scif2_data_a";
 115                 function = "scif2";
 116         };
 117
 118         scif_clk_pins: scif_clk {
 119                 groups = "scif_clk_a";
 120                 function = "scif_clk";
 121         };
 122
 123         sdhi0_pins: sd0 {
 124                 groups = "sdhi0_data4", "sdhi0_ctrl";
 125                 function = "sdhi0";
 126                 power-source = <3300>;
 127         };
 128
 129         sdhi0_pins_uhs: sd0_uhs {
 130                 groups = "sdhi0_data4", "sdhi0_ctrl";
 131                 function = "sdhi0";
 132                 power-source = <1800>;
 133         };
 134
 135         sdhi2_pins: sd2 {
 136                 groups = "sdhi2_data8", "sdhi2_ctrl";
 137                 function = "sdhi2";
 138                 power-source = <3300>;
 139         };
 140
 141         sdhi2_pins_uhs: sd2_uhs {
 142                 groups = "sdhi2_data8", "sdhi2_ctrl";
 143                 function = "sdhi2";
 144                 power-source = <1800>;
 145         };
 146 };
 147
 148 &sdhi0 {
 149         pinctrl-0 = <&sdhi0_pins>;
 150         pinctrl-1 = <&sdhi0_pins_uhs>;
 151         pinctrl-names = "default", "state_uhs";
 152
 153         vmmc-supply = <&vcc_sdhi0>;
 154         vqmmc-supply = <&vccq_sdhi0>;
 155         cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
 156         bus-width = <4>;
 157         sd-uhs-sdr50;
 158         status = "okay";
 159 };
 160
 161 &sdhi2 {
 162         /* used for on-board 8bit eMMC */
 163         pinctrl-0 = <&sdhi2_pins>;
 164         pinctrl-1 = <&sdhi2_pins_uhs>;
 165         pinctrl-names = "default", "state_uhs";
 166
 167         vmmc-supply = <&reg_3p3v>;
 168         vqmmc-supply = <&reg_1p8v>;
 169         bus-width = <8>;
 170         non-removable;
 171         status = "okay";
 172 };
 173
 174 &scif2 {
 175         pinctrl-0 = <&scif2_pins>;
 176         pinctrl-names = "default";
 177
 178         status = "okay";
 179 };
 180
 181 &scif_clk {
 182         clock-frequency = <14745600>;
 183 };
 184
 185 &wdt0 {
 186         timeout-sec = <60>;
 187         status = "okay";
 188 };