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 console=ttySAC1,115200 init=/linuxrc";
  30                 stdout-path = &serial_1;
  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 };
  45
  46 &i2c_0 {
  47         #address-cells = <1>;
  48         #size-cells = <0>;
  49         samsung,i2c-sda-delay = <100>;
  50         samsung,i2c-max-bus-freq = <100000>;
  51         status = "okay";
  52
  53         eeprom@50 {
  54                 compatible = "samsung,24ad0xd1";
  55                 reg = <0x50>;
  56         };
  57
  58         eeprom@52 {
  59                 compatible = "samsung,24ad0xd1";
  60                 reg = <0x52>;
  61         };
  62 };
  63
  64 &keypad {
  65         samsung,keypad-num-rows = <2>;
  66         samsung,keypad-num-columns = <8>;
  67         linux,keypad-no-autorepeat;
  68         wakeup-source;
  69         pinctrl-names = "default";
  70         pinctrl-0 = <&keypad_rows &keypad_cols>;
  71         status = "okay";
  72
  73         key_1 {
  74                 keypad,row = <0>;
  75                 keypad,column = <3>;
  76                 linux,code = <2>;
  77         };
  78
  79         key_2 {
  80                 keypad,row = <0>;
  81                 keypad,column = <4>;
  82                 linux,code = <3>;
  83         };
  84
  85         key_3 {
  86                 keypad,row = <0>;
  87                 keypad,column = <5>;
  88                 linux,code = <4>;
  89         };
  90
  91         key_4 {
  92                 keypad,row = <0>;
  93                 keypad,column = <6>;
  94                 linux,code = <5>;
  95         };
  96
  97         key_5 {
  98                 keypad,row = <0>;
  99                 keypad,column = <7>;
 100                 linux,code = <6>;
 101         };
 102
 103         key_a {
 104                 keypad,row = <1>;
 105                 keypad,column = <3>;
 106                 linux,code = <30>;
 107         };
 108
 109         key_b {
 110                 keypad,row = <1>;
 111                 keypad,column = <4>;
 112                 linux,code = <48>;
 113         };
 114
 115         key_c {
 116                 keypad,row = <1>;
 117                 keypad,column = <5>;
 118                 linux,code = <46>;
 119         };
 120
 121         key_d {
 122                 keypad,row = <1>;
 123                 keypad,column = <6>;
 124                 linux,code = <32>;
 125         };
 126
 127         key_e {
 128                 keypad,row = <1>;
 129                 keypad,column = <7>;
 130                 linux,code = <18>;
 131         };
 132 };
 133
 134 &pinctrl_1 {
 135         keypad_rows: keypad-rows {
 136                 samsung,pins = "gpx2-0", "gpx2-1";
 137                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 138                 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
 139                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 140         };
 141
 142         keypad_cols: keypad-cols {
 143                 samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
 144                                "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
 145                 samsung,pin-function = <EXYNOS_PIN_FUNC_3>;
 146                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 147                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 148         };
 149 };
 150
 151 &sdhci_2 {
 152         bus-width = <4>;
 153         pinctrl-names = "default";
 154         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
 155         status = "okay";
 156 };
 157
 158 &serial_0 {
 159         status = "okay";
 160 };
 161
 162 &serial_1 {
 163         status = "okay";
 164 };
 165
 166 &serial_2 {
 167         status = "okay";
 168 };
 169
 170 &serial_3 {
 171         status = "okay";
 172 };
 173
 174 &spi_2 {
 175         cs-gpios = <&gpc1 2 GPIO_ACTIVE_HIGH>;
 176         status = "okay";
 177
 178         w25x80@0 {
 179                 #address-cells = <1>;
 180                 #size-cells = <1>;
 181                 compatible = "w25x80";
 182                 reg = <0>;
 183                 spi-max-frequency = <1000000>;
 184
 185                 controller-data {
 186                         samsung,spi-feedback-delay = <0>;
 187                 };
 188
 189                 partition@0 {
 190                         label = "U-Boot";
 191                         reg = <0x0 0x40000>;
 192                         read-only;
 193                 };
 194
 195                 partition@40000 {
 196                         label = "Kernel";
 197                         reg = <0x40000 0xc0000>;
 198                 };
 199         };
 200 };