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/pwm/pwm.h>
  15 #include <dt-bindings/sound/samsung-i2s.h>
  16 #include "exynos4412-itop-scp-core.dtsi"
  17
  18 / {
  19         model = "TOPEET iTop 4412 Elite board based on Exynos4412";
  20         compatible = "topeet,itop4412-elite", "samsung,exynos4412", "samsung,exynos4";
  21
  22         chosen {
  23                 bootargs = "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootdelay=1 rootwait";
  24                 stdout-path = "serial2:115200n8";
  25         };
  26
  27         leds {
  28                 compatible = "gpio-leds";
  29
  30                 led2 {
  31                         label = "red:system";
  32                         gpios = <&gpx1 0 GPIO_ACTIVE_HIGH>;
  33                         default-state = "off";
  34                         linux,default-trigger = "heartbeat";
  35                 };
  36
  37                 led3 {
  38                         label = "red:user";
  39                         gpios = <&gpk1 1 GPIO_ACTIVE_HIGH>;
  40                         default-state = "off";
  41                 };
  42         };
  43
  44         gpio-keys {
  45                 compatible = "gpio-keys";
  46
  47                 home {
  48                         label = "GPIO Key Home";
  49                         linux,code = <KEY_HOME>;
  50                         gpios = <&gpx1 1 GPIO_ACTIVE_LOW>;
  51                 };
  52
  53                 back {
  54                         label = "GPIO Key Back";
  55                         linux,code = <KEY_BACK>;
  56                         gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
  57                 };
  58
  59                 sleep {
  60                         label = "GPIO Key Sleep";
  61                         linux,code = <KEY_POWER>;
  62                         gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
  63                 };
  64
  65                 vol-up {
  66                         label = "GPIO Key Vol+";
  67                         linux,code = <KEY_UP>;
  68                         gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
  69                 };
  70
  71                 vol-down {
  72                         label = "GPIO Key Vol-";
  73                         linux,code = <KEY_DOWN>;
  74                         gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
  75                 };
  76         };
  77
  78         sound {
  79                 compatible = "simple-audio-card";
  80                 simple-audio-card,name = "wm-sound";
  81
  82                 simple-audio-card,format = "i2s";
  83                 simple-audio-card,bitclock-master = <&link0_codec>;
  84                 simple-audio-card,frame-master = <&link0_codec>;
  85
  86                 simple-audio-card,widgets =
  87                         "Microphone", "Mic Jack",
  88                         "Line", "Line In",
  89                         "Line", "Line Out",
  90                         "Speaker", "Speaker",
  91                         "Headphone", "Headphone Jack";
  92                 simple-audio-card,routing =
  93                         "Headphone Jack", "HP_L",
  94                         "Headphone Jack", "HP_R",
  95                         "Speaker", "SPK_LP",
  96                         "Speaker", "SPK_LN",
  97                         "Speaker", "SPK_RP",
  98                         "Speaker", "SPK_RN",
  99                         "LINPUT1", "Mic Jack",
 100                         "LINPUT3", "Mic Jack",
 101                         "RINPUT1", "Mic Jack",
 102                         "RINPUT2", "Mic Jack";
 103
 104                 simple-audio-card,cpu {
 105                         sound-dai = <&i2s0 0>;
 106                 };
 107
 108                 link0_codec: simple-audio-card,codec {
 109                         sound-dai = <&codec>;
 110                         clocks = <&i2s0 CLK_I2S_CDCLK>;
 111                         system-clock-frequency = <11289600>;
 112                 };
 113         };
 114
 115         beep {
 116                 compatible = "pwm-beeper";
 117                 pwms = <&pwm 0 4000000 PWM_POLARITY_INVERTED>;
 118         };
 119 };
 120
 121 &adc {
 122         vdd-supply = <&ldo3_reg>;
 123         status = "okay";
 124 };
 125
 126 &camera {
 127         pinctrl-0 = <&cam_port_a_clk_active>;
 128         pinctrl-names = "default";
 129         status = "okay";
 130         assigned-clocks = <&clock CLK_MOUT_CAM0>;
 131         assigned-clock-parents = <&clock CLK_XUSBXTI>;
 132 };
 133
 134 &clock_audss {
 135         assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
 136                         <&clock_audss EXYNOS_MOUT_I2S>,
 137                         <&clock_audss EXYNOS_DOUT_SRP>,
 138                         <&clock_audss EXYNOS_DOUT_AUD_BUS>;
 139         assigned-clock-parents = <&clock CLK_FOUT_EPLL>,
 140                         <&clock_audss EXYNOS_MOUT_AUDSS>;
 141         assigned-clock-rates = <0>, <0>, <112896000>, <11289600>;
 142 };
 143
 144 &ehci {
 145         status = "okay";
 146         /* In order to reset USB ethernet */
 147         samsung,vbus-gpio = <&gpc0 1 GPIO_ACTIVE_HIGH>;
 148
 149         phys = <&exynos_usbphy 1>, <&exynos_usbphy 3>;
 150         phy-names = "host", "hsic1";
 151 };
 152
 153 &exynos_usbphy {
 154         status = "okay";
 155 };
 156
 157 &fimc_0 {
 158         status = "okay";
 159         assigned-clocks = <&clock CLK_MOUT_FIMC0>,
 160                         <&clock CLK_SCLK_FIMC0>;
 161         assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
 162         assigned-clock-rates = <0>, <176000000>;
 163 };
 164
 165 &hsotg {
 166         dr_mode = "peripheral";
 167         status = "okay";
 168 };
 169
 170 &i2c_4 {
 171         samsung,i2c-sda-delay = <100>;
 172         samsung,i2c-slave-addr = <0x10>;
 173         samsung,i2c-max-bus-freq = <100000>;
 174         pinctrl-0 = <&i2c4_bus>;
 175         pinctrl-names = "default";
 176         status = "okay";
 177
 178         codec: audio-codec@1a {
 179                 compatible = "wlf,wm8960";
 180                 reg = <0x1a>;
 181                 clocks = <&pmu_system_controller 0>;
 182                 clock-names = "MCLK1";
 183                 wlf,shared-lrclk;
 184                 #sound-dai-cells = <0>;
 185         };
 186 };
 187
 188 &i2s0 {
 189         pinctrl-0 = <&i2s0_bus>;
 190         pinctrl-names = "default";
 191         status = "okay";
 192 };
 193
 194 &pinctrl_1 {
 195         ether-reset {
 196                 samsung,pins = "gpc0-1";
 197                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 198                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 199                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 200         };
 201 };
 202
 203 &pwm {
 204         status = "okay";
 205         pinctrl-0 = <&pwm0_out>;
 206         pinctrl-names = "default";
 207         samsung,pwm-outputs = <0>;
 208 };
 209
 210 &sdhci_2 {
 211         bus-width = <4>;
 212         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
 213         pinctrl-names = "default";
 214         cd-gpio = <&gpx0 7 GPIO_ACTIVE_LOW>;
 215         cap-sd-highspeed;
 216         vmmc-supply = <&ldo23_reg>;
 217         vqmmc-supply = <&ldo17_reg>;
 218         status = "okay";
 219 };
 220
 221 &serial_1 {
 222         status = "okay";
 223 };
 224
 225 &serial_2 {
 226         status = "okay";
 227 };