1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Samsung's Exynos4412 based SMDK board device tree source 4 * 5 * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd. 6 * http://www.samsung.com 7 * 8 * Device tree source file for Samsung's SMDK4412 board which is based on 9 * Samsung's Exynos4412 SoC. 10 */ 11 12/dts-v1/; 13#include "exynos4412.dtsi" 14#include "exynos-mfc-reserved-memory.dtsi" 15 16/ { 17 model = "Samsung SMDK evaluation board based on Exynos4412"; 18 compatible = "samsung,smdk4412", "samsung,exynos4412", "samsung,exynos4"; 19 20 memory@40000000 { 21 device_type = "memory"; 22 reg = <0x40000000 0x40000000>; 23 }; 24 25 aliases { 26 mmc0 = &sdhci_2; 27 }; 28 29 chosen { 30 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc"; 31 stdout-path = "serial1:115200n8"; 32 }; 33 34 fixed-rate-clocks { 35 xxti { 36 compatible = "samsung,clock-xxti"; 37 clock-frequency = <0>; 38 }; 39 40 xusbxti { 41 compatible = "samsung,clock-xusbxti"; 42 clock-frequency = <24000000>; 43 }; 44 45 pmic_ap_clk: pmic-ap-clk { 46 /* Workaround for missing clock on PMIC */ 47 compatible = "fixed-clock"; 48 #clock-cells = <0>; 49 clock-frequency = <32768>; 50 }; 51 }; 52}; 53 54&cpu_thermal { 55 cooling-maps { 56 cooling_map0: map0 { 57 /* Corresponds to 800MHz at freq_table */ 58 cooling-device = <&cpu0 7 7>, <&cpu1 7 7>, 59 <&cpu2 7 7>, <&cpu3 7 7>; 60 }; 61 cooling_map1: map1 { 62 /* Corresponds to 200MHz at freq_table */ 63 cooling-device = <&cpu0 13 13>, <&cpu1 13 13>, 64 <&cpu2 13 13>, <&cpu3 13 13>; 65 }; 66 }; 67}; 68 69&keypad { 70 samsung,keypad-num-rows = <3>; 71 samsung,keypad-num-columns = <8>; 72 linux,input-no-autorepeat; 73 wakeup-source; 74 pinctrl-0 = <&keypad_rows &keypad_cols>; 75 pinctrl-names = "default"; 76 status = "okay"; 77 78 key-1 { 79 keypad,row = <1>; 80 keypad,column = <3>; 81 linux,code = <2>; 82 }; 83 84 key-2 { 85 keypad,row = <1>; 86 keypad,column = <4>; 87 linux,code = <3>; 88 }; 89 90 key-3 { 91 keypad,row = <1>; 92 keypad,column = <5>; 93 linux,code = <4>; 94 }; 95 96 key-4 { 97 keypad,row = <1>; 98 keypad,column = <6>; 99 linux,code = <5>; 100 }; 101 102 key-5 { 103 keypad,row = <1>; 104 keypad,column = <7>; 105 linux,code = <6>; 106 }; 107 108 key-a { 109 keypad,row = <2>; 110 keypad,column = <6>; 111 linux,code = <30>; 112 }; 113 114 key-b { 115 keypad,row = <2>; 116 keypad,column = <7>; 117 linux,code = <48>; 118 }; 119 120 key-c { 121 keypad,row = <0>; 122 keypad,column = <5>; 123 linux,code = <46>; 124 }; 125 126 key-d { 127 keypad,row = <2>; 128 keypad,column = <5>; 129 linux,code = <32>; 130 }; 131 132 key-e { 133 keypad,row = <0>; 134 keypad,column = <7>; 135 linux,code = <18>; 136 }; 137}; 138 139&pinctrl_1 { 140 keypad_rows: keypad-rows-pins { 141 samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2"; 142 samsung,pin-function = <EXYNOS_PIN_FUNC_3>; 143 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; 144 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 145 }; 146 147 keypad_cols: keypad-cols-pins { 148 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3", 149 "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7"; 150 samsung,pin-function = <EXYNOS_PIN_FUNC_3>; 151 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 152 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 153 }; 154}; 155 156&rtc { 157 clocks = <&clock CLK_RTC>, <&pmic_ap_clk>; 158 clock-names = "rtc", "rtc_src"; 159}; 160 161&sdhci_2 { 162 bus-width = <4>; 163 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; 164 pinctrl-names = "default"; 165 status = "okay"; 166}; 167 168&serial_0 { 169 status = "okay"; 170}; 171 172&serial_1 { 173 status = "okay"; 174}; 175 176&serial_2 { 177 status = "okay"; 178}; 179 180&serial_3 { 181 status = "okay"; 182}; 183