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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * TOPEET's Exynos4412 based itop board device tree source
   4  *
   5  * Copyright (c) 2016 SUMOMO Computer Association
   6  *                      https://www.sumomo.mobi
   7  *                      Randy Li <ayaka@soulik.info>
   8  *
   9  * Device tree source file for TOPEET iTop Exynos 4412 core board
  10  * which is based on Samsung's Exynos4412 SoC.
  11  */
  12
  13 /dts-v1/;
  14 #include <dt-bindings/leds/common.h>
  15 #include <dt-bindings/pwm/pwm.h>
  16 #include <dt-bindings/sound/samsung-i2s.h>
  17 #include "exynos4412-itop-scp-core.dtsi"
  18
  19 / {
  20         model = "TOPEET iTop 4412 Elite board based on Exynos4412";
  21         compatible = "topeet,itop4412-elite", "samsung,exynos4412", "samsung,exynos4";
  22
  23         chosen {
  24                 bootargs = "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootdelay=1 rootwait";
  25                 stdout-path = "serial2:115200n8";
  26         };
  27
  28         leds {
  29                 compatible = "gpio-leds";
  30
  31                 led2 {
  32                         function = LED_FUNCTION_HEARTBEAT;
  33                         color = <LED_COLOR_ID_RED>;
  34                         gpios = <&gpx1 0 GPIO_ACTIVE_HIGH>;
  35                         default-state = "off";
  36                         linux,default-trigger = "heartbeat";
  37                 };
  38
  39                 led3 {
  40                         label = "red:user";
  41                         color = <LED_COLOR_ID_RED>;
  42                         gpios = <&gpk1 1 GPIO_ACTIVE_HIGH>;
  43                         default-state = "off";
  44                 };
  45         };
  46
  47         gpio-keys {
  48                 compatible = "gpio-keys";
  49
  50                 key-home {
  51                         label = "GPIO Key Home";
  52                         linux,code = <KEY_HOME>;
  53                         gpios = <&gpx1 1 GPIO_ACTIVE_LOW>;
  54                 };
  55
  56                 key-back {
  57                         label = "GPIO Key Back";
  58                         linux,code = <KEY_BACK>;
  59                         gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
  60                 };
  61
  62                 key-sleep {
  63                         label = "GPIO Key Sleep";
  64                         linux,code = <KEY_POWER>;
  65                         gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
  66                 };
  67
  68                 key-vol-up {
  69                         label = "GPIO Key Vol+";
  70                         linux,code = <KEY_UP>;
  71                         gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
  72                 };
  73
  74                 key-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
 124 &adc {
 125         vdd-supply = <&ldo3_reg>;
 126         status = "okay";
 127 };
 128
 129 &camera {
 130         pinctrl-0 = <&cam_port_a_clk_active>;
 131         pinctrl-names = "default";
 132         status = "okay";
 133         assigned-clocks = <&clock CLK_MOUT_CAM0>;
 134         assigned-clock-parents = <&clock CLK_XUSBXTI>;
 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         phys = <&exynos_usbphy 1>, <&exynos_usbphy 3>;
 153         phy-names = "host", "hsic1";
 154 };
 155
 156 &exynos_usbphy {
 157         status = "okay";
 158 };
 159
 160 &fimc_0 {
 161         status = "okay";
 162         assigned-clocks = <&clock CLK_MOUT_FIMC0>,
 163                         <&clock CLK_SCLK_FIMC0>;
 164         assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
 165         assigned-clock-rates = <0>, <176000000>;
 166 };
 167
 168 &hsotg {
 169         dr_mode = "peripheral";
 170         status = "okay";
 171 };
 172
 173 &i2c_4 {
 174         samsung,i2c-sda-delay = <100>;
 175         samsung,i2c-slave-addr = <0x10>;
 176         samsung,i2c-max-bus-freq = <100000>;
 177         pinctrl-0 = <&i2c4_bus>;
 178         pinctrl-names = "default";
 179         status = "okay";
 180
 181         codec: audio-codec@1a {
 182                 compatible = "wlf,wm8960";
 183                 reg = <0x1a>;
 184                 clocks = <&pmu_system_controller 0>;
 185                 clock-names = "mclk";
 186                 wlf,shared-lrclk;
 187                 #sound-dai-cells = <0>;
 188         };
 189 };
 190
 191 &i2s0 {
 192         pinctrl-0 = <&i2s0_bus>;
 193         pinctrl-names = "default";
 194         status = "okay";
 195 };
 196
 197 &pinctrl_1 {
 198         ether-reset-pins {
 199                 samsung,pins = "gpc0-1";
 200                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 201                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 202                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 203         };
 204 };
 205
 206 &pwm {
 207         status = "okay";
 208         pinctrl-0 = <&pwm0_out>;
 209         pinctrl-names = "default";
 210         samsung,pwm-outputs = <0>;
 211 };
 212
 213 &sdhci_2 {
 214         bus-width = <4>;
 215         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
 216         pinctrl-names = "default";
 217         cd-gpio = <&gpx0 7 GPIO_ACTIVE_LOW>;
 218         cap-sd-highspeed;
 219         vmmc-supply = <&ldo23_reg>;
 220         vqmmc-supply = <&ldo17_reg>;
 221         status = "okay";
 222 };
 223
 224 &serial_1 {
 225         status = "okay";
 226 };
 227
 228 &serial_2 {
 229         status = "okay";
 230 };