1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Samsung's Exynos4210 based SMDKV310 board device tree source 4 * 5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. 6 * http://www.samsung.com 7 * Copyright (c) 2010-2011 Linaro Ltd. 8 * www.linaro.org 9 * 10 * Device tree source file for Samsung's SMDKV310 board which is based on 11 * Samsung's Exynos4210 SoC. 12 */ 13 14/dts-v1/; 15#include "exynos4210.dtsi" 16#include <dt-bindings/gpio/gpio.h> 17#include "exynos-mfc-reserved-memory.dtsi" 18 19/ { 20 model = "Samsung smdkv310 evaluation board based on Exynos4210"; 21 compatible = "samsung,smdkv310", "samsung,exynos4210", "samsung,exynos4"; 22 23 memory@40000000 { 24 device_type = "memory"; 25 reg = <0x40000000 0x80000000>; 26 }; 27 28 aliases { 29 mmc0 = &sdhci_2; 30 }; 31 32 chosen { 33 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc"; 34 stdout-path = "serial1:115200n8"; 35 }; 36 37 fixed-rate-clocks { 38 xxti { 39 compatible = "samsung,clock-xxti"; 40 clock-frequency = <12000000>; 41 }; 42 43 xusbxti { 44 compatible = "samsung,clock-xusbxti"; 45 clock-frequency = <24000000>; 46 }; 47 48 pmic_ap_clk: pmic-ap-clk { 49 /* Workaround for missing clock on PMIC */ 50 compatible = "fixed-clock"; 51 #clock-cells = <0>; 52 clock-frequency = <32768>; 53 }; 54 }; 55}; 56 57&cpu_thermal { 58 cooling-maps { 59 map0 { 60 /* Corresponds to 800MHz */ 61 cooling-device = <&cpu0 2 2>; 62 }; 63 map1 { 64 /* Corresponds to 200MHz */ 65 cooling-device = <&cpu0 4 4>; 66 }; 67 }; 68}; 69 70&i2c_0 { 71 #address-cells = <1>; 72 #size-cells = <0>; 73 samsung,i2c-sda-delay = <100>; 74 samsung,i2c-max-bus-freq = <100000>; 75 status = "okay"; 76 77 eeprom@50 { 78 compatible = "samsung,24ad0xd1"; 79 reg = <0x50>; 80 }; 81 82 eeprom@52 { 83 compatible = "samsung,24ad0xd1"; 84 reg = <0x52>; 85 }; 86}; 87 88&keypad { 89 samsung,keypad-num-rows = <2>; 90 samsung,keypad-num-columns = <8>; 91 linux,keypad-no-autorepeat; 92 wakeup-source; 93 pinctrl-names = "default"; 94 pinctrl-0 = <&keypad_rows &keypad_cols>; 95 status = "okay"; 96 97 key-1 { 98 keypad,row = <0>; 99 keypad,column = <3>; 100 linux,code = <2>; 101 }; 102 103 key-2 { 104 keypad,row = <0>; 105 keypad,column = <4>; 106 linux,code = <3>; 107 }; 108 109 key-3 { 110 keypad,row = <0>; 111 keypad,column = <5>; 112 linux,code = <4>; 113 }; 114 115 key-4 { 116 keypad,row = <0>; 117 keypad,column = <6>; 118 linux,code = <5>; 119 }; 120 121 key-5 { 122 keypad,row = <0>; 123 keypad,column = <7>; 124 linux,code = <6>; 125 }; 126 127 key-a { 128 keypad,row = <1>; 129 keypad,column = <3>; 130 linux,code = <30>; 131 }; 132 133 key-b { 134 keypad,row = <1>; 135 keypad,column = <4>; 136 linux,code = <48>; 137 }; 138 139 key-c { 140 keypad,row = <1>; 141 keypad,column = <5>; 142 linux,code = <46>; 143 }; 144 145 key-d { 146 keypad,row = <1>; 147 keypad,column = <6>; 148 linux,code = <32>; 149 }; 150 151 key-e { 152 keypad,row = <1>; 153 keypad,column = <7>; 154 linux,code = <18>; 155 }; 156}; 157 158&pinctrl_1 { 159 keypad_rows: keypad-rows-pins { 160 samsung,pins = "gpx2-0", "gpx2-1"; 161 samsung,pin-function = <EXYNOS_PIN_FUNC_3>; 162 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; 163 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 164 }; 165 166 keypad_cols: keypad-cols-pins { 167 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3", 168 "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7"; 169 samsung,pin-function = <EXYNOS_PIN_FUNC_3>; 170 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 171 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 172 }; 173}; 174 175&rtc { 176 clocks = <&clock CLK_RTC>, <&pmic_ap_clk>; 177 clock-names = "rtc", "rtc_src"; 178}; 179 180&sdhci_2 { 181 bus-width = <4>; 182 pinctrl-names = "default"; 183 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>; 184 status = "okay"; 185}; 186 187&serial_0 { 188 status = "okay"; 189}; 190 191&serial_1 { 192 status = "okay"; 193}; 194 195&serial_2 { 196 status = "okay"; 197}; 198 199&serial_3 { 200 status = "okay"; 201}; 202 203&spi_2 { 204 cs-gpios = <&gpc1 2 GPIO_ACTIVE_HIGH>; 205 status = "okay"; 206 207 flash@0 { 208 #address-cells = <1>; 209 #size-cells = <1>; 210 compatible = "winbond,w25x80", "jedec,spi-nor"; 211 reg = <0>; 212 spi-max-frequency = <1000000>; 213 214 controller-data { 215 samsung,spi-feedback-delay = <0>; 216 }; 217 218 partition@0 { 219 label = "U-Boot"; 220 reg = <0x0 0x40000>; 221 read-only; 222 }; 223 224 partition@40000 { 225 label = "Kernel"; 226 reg = <0x40000 0xc0000>; 227 }; 228 }; 229}; 230