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                 assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
  86                                 <&clock_audss EXYNOS_MOUT_I2S>,
  87                                 <&clock_audss EXYNOS_DOUT_SRP>,
  88                                 <&clock_audss EXYNOS_DOUT_AUD_BUS>;
  89                 assigned-clock-parents = <&clock CLK_FOUT_EPLL>,
  90                                 <&clock_audss EXYNOS_MOUT_AUDSS>;
  91                 assigned-clock-rates = <0>,
  92                                 <0>,
  93                                 <112896000>,
  94                                 <11289600>;
  95
  96                 simple-audio-card,format = "i2s";
  97                 simple-audio-card,bitclock-master = <&link0_codec>;
  98                 simple-audio-card,frame-master = <&link0_codec>;
  99
 100                 simple-audio-card,widgets =
 101                         "Microphone", "Mic Jack",
 102                         "Line", "Line In",
 103                         "Line", "Line Out",
 104                         "Speaker", "Speaker",
 105                         "Headphone", "Headphone Jack";
 106                 simple-audio-card,routing =
 107                         "Headphone Jack", "HP_L",
 108                         "Headphone Jack", "HP_R",
 109                         "Speaker", "SPK_LP",
 110                         "Speaker", "SPK_LN",
 111                         "Speaker", "SPK_RP",
 112                         "Speaker", "SPK_RN",
 113                         "LINPUT1", "Mic Jack",
 114                         "LINPUT3", "Mic Jack",
 115                         "RINPUT1", "Mic Jack",
 116                         "RINPUT2", "Mic Jack";
 117
 118                 simple-audio-card,cpu {
 119                         sound-dai = <&i2s0 0>;
 120                 };
 121
 122                 link0_codec: simple-audio-card,codec {
 123                         sound-dai = <&codec>;
 124                         clocks = <&i2s0 CLK_I2S_CDCLK>;
 125                         system-clock-frequency = <11289600>;
 126                 };
 127         };
 128
 129         beep {
 130                 compatible = "pwm-beeper";
 131                 pwms = <&pwm 0 4000000 PWM_POLARITY_INVERTED>;
 132         };
 133
 134         camera: camera {
 135                 pinctrl-0 = <&cam_port_a_clk_active>;
 136                 pinctrl-names = "default";
 137                 status = "okay";
 138                 assigned-clocks = <&clock CLK_MOUT_CAM0>;
 139                 assigned-clock-parents = <&clock CLK_XUSBXTI>;
 140         };
 141 };
 142
 143 &adc {
 144         vdd-supply = <&ldo3_reg>;
 145         status = "okay";
 146 };
 147
 148 &ehci {
 149         status = "okay";
 150         /* In order to reset USB ethernet */
 151         samsung,vbus-gpio = <&gpc0 1 GPIO_ACTIVE_HIGH>;
 152
 153         port@0 {
 154                 status = "okay";
 155         };
 156
 157         port@2 {
 158                 status = "okay";
 159         };
 160 };
 161
 162 &exynos_usbphy {
 163         status = "okay";
 164 };
 165
 166 &fimc_0 {
 167         status = "okay";
 168         assigned-clocks = <&clock CLK_MOUT_FIMC0>,
 169                         <&clock CLK_SCLK_FIMC0>;
 170         assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
 171         assigned-clock-rates = <0>, <176000000>;
 172 };
 173
 174 &hsotg {
 175         dr_mode = "peripheral";
 176         status = "okay";
 177 };
 178
 179 &i2c_4 {
 180         samsung,i2c-sda-delay = <100>;
 181         samsung,i2c-slave-addr = <0x10>;
 182         samsung,i2c-max-bus-freq = <100000>;
 183         pinctrl-0 = <&i2c4_bus>;
 184         pinctrl-names = "default";
 185         status = "okay";
 186
 187         codec: wm8960@1a {
 188                 compatible = "wlf,wm8960";
 189                 reg = <0x1a>;
 190                 clocks = <&pmu_system_controller 0>;
 191                 clock-names = "MCLK1";
 192                 wlf,shared-lrclk;
 193                 #sound-dai-cells = <0>;
 194         };
 195 };
 196
 197 &i2s0 {
 198         pinctrl-0 = <&i2s0_bus>;
 199         pinctrl-names = "default";
 200         status = "okay";
 201         clocks = <&clock_audss EXYNOS_I2S_BUS>,
 202                  <&clock_audss EXYNOS_DOUT_AUD_BUS>,
 203                  <&clock_audss EXYNOS_SCLK_I2S>;
 204         clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
 205 };
 206
 207 &pinctrl_1 {
 208         ether-reset {
 209                 samsung,pins = "gpc0-1";
 210                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 211                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 212                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 213         };
 214 };
 215
 216 &pwm {
 217         status = "okay";
 218         pinctrl-0 = <&pwm0_out>;
 219         pinctrl-names = "default";
 220         samsung,pwm-outputs = <0>;
 221 };
 222
 223 &sdhci_2 {
 224         bus-width = <4>;
 225         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
 226         pinctrl-names = "default";
 227         cd-gpio = <&gpx0 7 GPIO_ACTIVE_LOW>;
 228         cap-sd-highspeed;
 229         vmmc-supply = <&ldo23_reg>;
 230         vqmmc-supply = <&ldo17_reg>;
 231         status = "okay";
 232 };
 233
 234 &serial_1 {
 235         status = "okay";
 236 };
 237
 238 &serial_2 {
 239         status = "okay";
 240 };