arch/arm/boot/dts/exynos4412-itop-elite.dts

   1 /*
   2  * TOPEET's Exynos4412 based itop board device tree source
   3  *
   4  * Copyright (c) 2016 SUMOMO Computer Association
   5  *                      https://www.sumomo.mobi
   6  *                      Randy Li <ayaka@soulik.info>
   7  *
   8  * Device tree source file for TOPEET iTop Exynos 4412 core board
   9  * which is based on Samsung's Exynos4412 SoC.
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 /dts-v1/;
  17 #include <dt-bindings/pwm/pwm.h>
  18 #include <dt-bindings/sound/samsung-i2s.h>
  19 #include "exynos4412-itop-scp-core.dtsi"
  20
  21 / {
  22         model = "TOPEET iTop 4412 Elite board based on Exynos4412";
  23         compatible = "topeet,itop4412-elite", "samsung,exynos4412", "samsung,exynos4";
  24
  25         chosen {
  26                 bootargs = "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootdelay=1 rootwait";
  27                 stdout-path = "serial2:115200n8";
  28         };
  29
  30         leds {
  31                 compatible = "gpio-leds";
  32
  33                 led2 {
  34                         label = "red:system";
  35                         gpios = <&gpx1 0 GPIO_ACTIVE_HIGH>;
  36                         default-state = "off";
  37                         linux,default-trigger = "heartbeat";
  38                 };
  39
  40                 led3 {
  41                         label = "red:user";
  42                         gpios = <&gpk1 1 GPIO_ACTIVE_HIGH>;
  43                         default-state = "off";
  44                 };
  45         };
  46
  47         gpio-keys {
  48                 compatible = "gpio-keys";
  49
  50                 home {
  51                         label = "GPIO Key Home";
  52                         linux,code = <KEY_HOME>;
  53                         gpios = <&gpx1 1 GPIO_ACTIVE_LOW>;
  54                 };
  55
  56                 back {
  57                         label = "GPIO Key Back";
  58                         linux,code = <KEY_BACK>;
  59                         gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
  60                 };
  61
  62                 sleep {
  63                         label = "GPIO Key Sleep";
  64                         linux,code = <KEY_POWER>;
  65                         gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
  66                 };
  67
  68                 vol-up {
  69                         label = "GPIO Key Vol+";
  70                         linux,code = <KEY_UP>;
  71                         gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
  72                 };
  73
  74                 vol-down {
  75                         label = "GPIO Key Vol-";
  76                         linux,code = <KEY_DOWN>;
  77                         gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
  78                 };
  79         };
  80
  81         sound {
  82                 compatible = "simple-audio-card";
  83                 simple-audio-card,name = "wm-sound";
  84
  85                 simple-audio-card,format = "i2s";
  86                 simple-audio-card,bitclock-master = <&link0_codec>;
  87                 simple-audio-card,frame-master = <&link0_codec>;
  88
  89                 simple-audio-card,widgets =
  90                         "Microphone", "Mic Jack",
  91                         "Line", "Line In",
  92                         "Line", "Line Out",
  93                         "Speaker", "Speaker",
  94                         "Headphone", "Headphone Jack";
  95                 simple-audio-card,routing =
  96                         "Headphone Jack", "HP_L",
  97                         "Headphone Jack", "HP_R",
  98                         "Speaker", "SPK_LP",
  99                         "Speaker", "SPK_LN",
 100                         "Speaker", "SPK_RP",
 101                         "Speaker", "SPK_RN",
 102                         "LINPUT1", "Mic Jack",
 103                         "LINPUT3", "Mic Jack",
 104                         "RINPUT1", "Mic Jack",
 105                         "RINPUT2", "Mic Jack";
 106
 107                 simple-audio-card,cpu {
 108                         sound-dai = <&i2s0 0>;
 109                 };
 110
 111                 link0_codec: simple-audio-card,codec {
 112                         sound-dai = <&codec>;
 113                         clocks = <&i2s0 CLK_I2S_CDCLK>;
 114                         system-clock-frequency = <11289600>;
 115                 };
 116         };
 117
 118         beep {
 119                 compatible = "pwm-beeper";
 120                 pwms = <&pwm 0 4000000 PWM_POLARITY_INVERTED>;
 121         };
 122
 123         camera: camera {
 124                 pinctrl-0 = <&cam_port_a_clk_active>;
 125                 pinctrl-names = "default";
 126                 status = "okay";
 127                 assigned-clocks = <&clock CLK_MOUT_CAM0>;
 128                 assigned-clock-parents = <&clock CLK_XUSBXTI>;
 129         };
 130 };
 131
 132 &adc {
 133         vdd-supply = <&ldo3_reg>;
 134         status = "okay";
 135 };
 136
 137 &clock_audss {
 138         assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
 139                         <&clock_audss EXYNOS_MOUT_I2S>,
 140                         <&clock_audss EXYNOS_DOUT_SRP>,
 141                         <&clock_audss EXYNOS_DOUT_AUD_BUS>;
 142         assigned-clock-parents = <&clock CLK_FOUT_EPLL>,
 143                         <&clock_audss EXYNOS_MOUT_AUDSS>;
 144         assigned-clock-rates = <0>, <0>, <112896000>, <11289600>;
 145 };
 146
 147 &ehci {
 148         status = "okay";
 149         /* In order to reset USB ethernet */
 150         samsung,vbus-gpio = <&gpc0 1 GPIO_ACTIVE_HIGH>;
 151
 152         port@0 {
 153                 status = "okay";
 154         };
 155
 156         port@2 {
 157                 status = "okay";
 158         };
 159 };
 160
 161 &exynos_usbphy {
 162         status = "okay";
 163 };
 164
 165 &fimc_0 {
 166         status = "okay";
 167         assigned-clocks = <&clock CLK_MOUT_FIMC0>,
 168                         <&clock CLK_SCLK_FIMC0>;
 169         assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
 170         assigned-clock-rates = <0>, <176000000>;
 171 };
 172
 173 &hsotg {
 174         dr_mode = "peripheral";
 175         status = "okay";
 176 };
 177
 178 &i2c_4 {
 179         samsung,i2c-sda-delay = <100>;
 180         samsung,i2c-slave-addr = <0x10>;
 181         samsung,i2c-max-bus-freq = <100000>;
 182         pinctrl-0 = <&i2c4_bus>;
 183         pinctrl-names = "default";
 184         status = "okay";
 185
 186         codec: wm8960@1a {
 187                 compatible = "wlf,wm8960";
 188                 reg = <0x1a>;
 189                 clocks = <&pmu_system_controller 0>;
 190                 clock-names = "MCLK1";
 191                 wlf,shared-lrclk;
 192                 #sound-dai-cells = <0>;
 193         };
 194 };
 195
 196 &i2s0 {
 197         pinctrl-0 = <&i2s0_bus>;
 198         pinctrl-names = "default";
 199         status = "okay";
 200 };
 201
 202 &pinctrl_1 {
 203         ether-reset {
 204                 samsung,pins = "gpc0-1";
 205                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 206                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 207                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 208         };
 209 };
 210
 211 &pwm {
 212         status = "okay";
 213         pinctrl-0 = <&pwm0_out>;
 214         pinctrl-names = "default";
 215         samsung,pwm-outputs = <0>;
 216 };
 217
 218 &sdhci_2 {
 219         bus-width = <4>;
 220         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
 221         pinctrl-names = "default";
 222         cd-gpio = <&gpx0 7 GPIO_ACTIVE_LOW>;
 223         cap-sd-highspeed;
 224         vmmc-supply = <&ldo23_reg>;
 225         vqmmc-supply = <&ldo17_reg>;
 226         status = "okay";
 227 };
 228
 229 &serial_1 {
 230         status = "okay";
 231 };
 232
 233 &serial_2 {
 234         status = "okay";
 235 };