arch/arm/boot/dts/imx6q-gk802.dts

   1 /*
   2  * Copyright (C) 2013 Philipp Zabel
   3  *
   4  * This file is licensed under the terms of the GNU General Public License
   5  * version 2.  This program is licensed "as is" without any warranty of any
   6  * kind, whether express or implied.
   7  */
   8
   9 /dts-v1/;
  10 #include <dt-bindings/gpio/gpio.h>
  11 #include <dt-bindings/input/input.h>
  12 #include "imx6q.dtsi"
  13
  14 / {
  15         model = "Zealz GK802";
  16         compatible = "zealz,imx6q-gk802", "fsl,imx6q";
  17
  18         chosen {
  19                 stdout-path = &uart4;
  20         };
  21
  22         memory@10000000 {
  23                 device_type = "memory";
  24                 reg = <0x10000000 0x40000000>;
  25         };
  26
  27         regulators {
  28                 compatible = "simple-bus";
  29                 #address-cells = <1>;
  30                 #size-cells = <0>;
  31
  32                 reg_3p3v: regulator@0 {
  33                         compatible = "regulator-fixed";
  34                         reg = <0>;
  35                         regulator-name = "3P3V";
  36                         regulator-min-microvolt = <3300000>;
  37                         regulator-max-microvolt = <3300000>;
  38                         regulator-always-on;
  39                 };
  40         };
  41
  42         gpio-keys {
  43                 compatible = "gpio-keys";
  44
  45                 recovery-button {
  46                         label = "recovery";
  47                         gpios = <&gpio3 16 1>;
  48                         linux,code = <KEY_RESTART>;
  49                         wakeup-source;
  50                 };
  51         };
  52 };
  53
  54 &hdmi {
  55         ddc-i2c-bus = <&i2c3>;
  56         status = "okay";
  57 };
  58
  59 /* Internal I2C */
  60 &i2c2 {
  61         pinctrl-names = "default";
  62         pinctrl-0 = <&pinctrl_i2c2>;
  63         clock-frequency = <100000>;
  64         status = "okay";
  65
  66         /* SDMC DM2016 1024 bit EEPROM + 128 bit OTP */
  67         eeprom: dm2016@51 {
  68                 compatible = "sdmc,dm2016";
  69                 reg = <0x51>;
  70         };
  71 };
  72
  73 /* External I2C via HDMI */
  74 &i2c3 {
  75         pinctrl-names = "default";
  76         pinctrl-0 = <&pinctrl_i2c3>;
  77         clock-frequency = <100000>;
  78         status = "okay";
  79 };
  80
  81 &iomuxc {
  82         pinctrl-names = "default";
  83         pinctrl-0 = <&pinctrl_hog>;
  84
  85         imx6q-gk802 {
  86                 pinctrl_hog: hoggrp {
  87                         fsl,pins = <
  88                                 /* Recovery button, active-low */
  89                                 MX6QDL_PAD_EIM_D16__GPIO3_IO16  0x100b1
  90                                 /* RTL8192CU enable GPIO, active-low */
  91                                 MX6QDL_PAD_NANDF_D0__GPIO2_IO00 0x1b0b0
  92                         >;
  93                 };
  94
  95                 pinctrl_i2c2: i2c2grp {
  96                         fsl,pins = <
  97                                 MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b8b1
  98                                 MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b8b1
  99                         >;
 100                 };
 101
 102                 pinctrl_i2c3: i2c3grp {
 103                         fsl,pins = <
 104                                 MX6QDL_PAD_GPIO_5__I2C3_SCL             0x4001b8b1
 105                                 MX6QDL_PAD_GPIO_16__I2C3_SDA            0x4001b8b1
 106                         >;
 107                 };
 108
 109                 pinctrl_uart4: uart4grp {
 110                         fsl,pins = <
 111                                 MX6QDL_PAD_KEY_COL0__UART4_TX_DATA      0x1b0b1
 112                                 MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA      0x1b0b1
 113                         >;
 114                 };
 115
 116                 pinctrl_usdhc3: usdhc3grp {
 117                         fsl,pins = <
 118                                 MX6QDL_PAD_SD3_CMD__SD3_CMD             0x17059
 119                                 MX6QDL_PAD_SD3_CLK__SD3_CLK             0x10059
 120                                 MX6QDL_PAD_SD3_DAT0__SD3_DATA0          0x17059
 121                                 MX6QDL_PAD_SD3_DAT1__SD3_DATA1          0x17059
 122                                 MX6QDL_PAD_SD3_DAT2__SD3_DATA2          0x17059
 123                                 MX6QDL_PAD_SD3_DAT3__SD3_DATA3          0x17059
 124                         >;
 125                 };
 126
 127                 pinctrl_usdhc4: usdhc4grp {
 128                         fsl,pins = <
 129                                 MX6QDL_PAD_SD4_CMD__SD4_CMD             0x17059
 130                                 MX6QDL_PAD_SD4_CLK__SD4_CLK             0x10059
 131                                 MX6QDL_PAD_SD4_DAT0__SD4_DATA0          0x17059
 132                                 MX6QDL_PAD_SD4_DAT1__SD4_DATA1          0x17059
 133                                 MX6QDL_PAD_SD4_DAT2__SD4_DATA2          0x17059
 134                                 MX6QDL_PAD_SD4_DAT3__SD4_DATA3          0x17059
 135                         >;
 136                 };
 137         };
 138 };
 139
 140 &uart2 {
 141         status = "okay";
 142 };
 143
 144 &uart4 {
 145         pinctrl-names = "default";
 146         pinctrl-0 = <&pinctrl_uart4>;
 147         status = "okay";
 148 };
 149
 150 /* External USB-A port (USBOTG) */
 151 &usbotg {
 152         disable-over-current;
 153         status = "okay";
 154 };
 155
 156 /* Internal USB port (USBH1), connected to RTL8192CU */
 157 &usbh1 {
 158         disable-over-current;
 159         status = "okay";
 160 };
 161
 162 /* External microSD */
 163 &usdhc3 {
 164         pinctrl-names = "default";
 165         pinctrl-0 = <&pinctrl_usdhc3>;
 166         bus-width = <4>;
 167         cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
 168         vmmc-supply = <&reg_3p3v>;
 169         status = "okay";
 170 };
 171
 172 /* Internal microSD */
 173 &usdhc4 {
 174         pinctrl-names = "default";
 175         pinctrl-0 = <&pinctrl_usdhc4>;
 176         bus-width = <4>;
 177         vmmc-supply = <&reg_3p3v>;
 178         status = "okay";
 179 };