arch/arm/boot/dts/exynos4210-smdkv310.dts

   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         chosen {
  29                 bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
  30                 stdout-path = "serial1:115200n8";
  31         };
  32
  33         fixed-rate-clocks {
  34                 xxti {
  35                         compatible = "samsung,clock-xxti";
  36                         clock-frequency = <12000000>;
  37                 };
  38
  39                 xusbxti {
  40                         compatible = "samsung,clock-xusbxti";
  41                         clock-frequency = <24000000>;
  42                 };
  43
  44                 pmic_ap_clk: pmic-ap-clk {
  45                         /* Workaround for missing clock on PMIC */
  46                         compatible = "fixed-clock";
  47                         #clock-cells = <0>;
  48                         clock-frequency = <32768>;
  49                 };
  50         };
  51 };
  52
  53 &cpu_thermal {
  54         cooling-maps {
  55                 map0 {
  56                         /* Corresponds to 800MHz */
  57                         cooling-device = <&cpu0 2 2>;
  58                 };
  59                 map1 {
  60                         /* Corresponds to 200MHz */
  61                         cooling-device = <&cpu0 4 4>;
  62                 };
  63         };
  64 };
  65
  66 &i2c_0 {
  67         #address-cells = <1>;
  68         #size-cells = <0>;
  69         samsung,i2c-sda-delay = <100>;
  70         samsung,i2c-max-bus-freq = <100000>;
  71         status = "okay";
  72
  73         eeprom@50 {
  74                 compatible = "samsung,24ad0xd1";
  75                 reg = <0x50>;
  76         };
  77
  78         eeprom@52 {
  79                 compatible = "samsung,24ad0xd1";
  80                 reg = <0x52>;
  81         };
  82 };
  83
  84 &keypad {
  85         samsung,keypad-num-rows = <2>;
  86         samsung,keypad-num-columns = <8>;
  87         linux,keypad-no-autorepeat;
  88         wakeup-source;
  89         pinctrl-names = "default";
  90         pinctrl-0 = <&keypad_rows &keypad_cols>;
  91         status = "okay";
  92
  93         key-1 {
  94                 keypad,row = <0>;
  95                 keypad,column = <3>;
  96                 linux,code = <2>;
  97         };
  98
  99         key-2 {
 100                 keypad,row = <0>;
 101                 keypad,column = <4>;
 102                 linux,code = <3>;
 103         };
 104
 105         key-3 {
 106                 keypad,row = <0>;
 107                 keypad,column = <5>;
 108                 linux,code = <4>;
 109         };
 110
 111         key-4 {
 112                 keypad,row = <0>;
 113                 keypad,column = <6>;
 114                 linux,code = <5>;
 115         };
 116
 117         key-5 {
 118                 keypad,row = <0>;
 119                 keypad,column = <7>;
 120                 linux,code = <6>;
 121         };
 122
 123         key-a {
 124                 keypad,row = <1>;
 125                 keypad,column = <3>;
 126                 linux,code = <30>;
 127         };
 128
 129         key-b {
 130                 keypad,row = <1>;
 131                 keypad,column = <4>;
 132                 linux,code = <48>;
 133         };
 134
 135         key-c {
 136                 keypad,row = <1>;
 137                 keypad,column = <5>;
 138                 linux,code = <46>;
 139         };
 140
 141         key-d {
 142                 keypad,row = <1>;
 143                 keypad,column = <6>;
 144                 linux,code = <32>;
 145         };
 146
 147         key-e {
 148                 keypad,row = <1>;
 149                 keypad,column = <7>;
 150                 linux,code = <18>;
 151         };
 152 };
 153
 154 &pinctrl_1 {
 155         keypad_rows: keypad-rows {
 156                 samsung,pins = "gpx2-0", "gpx2-1";
 157                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 158                 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
 159                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 160         };
 161
 162         keypad_cols: keypad-cols {
 163                 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
 164                                "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
 165                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 166                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 167                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 168         };
 169 };
 170
 171 &rtc {
 172         clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
 173         clock-names = "rtc", "rtc_src";
 174 };
 175
 176 &sdhci_2 {
 177         bus-width = <4>;
 178         pinctrl-names = "default";
 179         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
 180         status = "okay";
 181 };
 182
 183 &serial_0 {
 184         status = "okay";
 185 };
 186
 187 &serial_1 {
 188         status = "okay";
 189 };
 190
 191 &serial_2 {
 192         status = "okay";
 193 };
 194
 195 &serial_3 {
 196         status = "okay";
 197 };
 198
 199 &spi_2 {
 200         cs-gpios = <&gpc1 2 GPIO_ACTIVE_HIGH>;
 201         status = "okay";
 202
 203         flash@0 {
 204                 #address-cells = <1>;
 205                 #size-cells = <1>;
 206                 compatible = "w25x80";
 207                 reg = <0>;
 208                 spi-max-frequency = <1000000>;
 209
 210                 controller-data {
 211                         samsung,spi-feedback-delay = <0>;
 212                 };
 213
 214                 partition@0 {
 215                         label = "U-Boot";
 216                         reg = <0x0 0x40000>;
 217                         read-only;
 218                 };
 219
 220                 partition@40000 {
 221                         label = "Kernel";
 222                         reg = <0x40000 0xc0000>;
 223                 };
 224         };
 225 };