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 = <®_3p3v>; 168 vqmmc-supply = <®_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}; 189