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                 reg = <0x10000000 0x40000000>;
  24         };
  25
  26         regulators {
  27                 compatible = "simple-bus";
  28                 #address-cells = <1>;
  29                 #size-cells = <0>;
  30
  31                 reg_3p3v: regulator@0 {
  32                         compatible = "regulator-fixed";
  33                         reg = <0>;
  34                         regulator-name = "3P3V";
  35                         regulator-min-microvolt = <3300000>;
  36                         regulator-max-microvolt = <3300000>;
  37                         regulator-always-on;
  38                 };
  39         };
  40
  41         gpio-keys {
  42                 compatible = "gpio-keys";
  43
  44                 recovery-button {
  45                         label = "recovery";
  46                         gpios = <&gpio3 16 1>;
  47                         linux,code = <KEY_RESTART>;
  48                         wakeup-source;
  49                 };
  50         };
  51 };
  52
  53 &hdmi {
  54         ddc-i2c-bus = <&i2c3>;
  55         status = "okay";
  56 };
  57
  58 /* Internal I2C */
  59 &i2c2 {
  60         pinctrl-names = "default";
  61         pinctrl-0 = <&pinctrl_i2c2>;
  62         clock-frequency = <100000>;
  63         status = "okay";
  64
  65         /* SDMC DM2016 1024 bit EEPROM + 128 bit OTP */
  66         eeprom: dm2016@51 {
  67                 compatible = "sdmc,dm2016";
  68                 reg = <0x51>;
  69         };
  70 };
  71
  72 /* External I2C via HDMI */
  73 &i2c3 {
  74         pinctrl-names = "default";
  75         pinctrl-0 = <&pinctrl_i2c3>;
  76         clock-frequency = <100000>;
  77         status = "okay";
  78 };
  79
  80 &iomuxc {
  81         pinctrl-names = "default";
  82         pinctrl-0 = <&pinctrl_hog>;
  83
  84         imx6q-gk802 {
  85                 pinctrl_hog: hoggrp {
  86                         fsl,pins = <
  87                                 /* Recovery button, active-low */
  88                                 MX6QDL_PAD_EIM_D16__GPIO3_IO16  0x100b1
  89                                 /* RTL8192CU enable GPIO, active-low */
  90                                 MX6QDL_PAD_NANDF_D0__GPIO2_IO00 0x1b0b0
  91                         >;
  92                 };
  93
  94                 pinctrl_i2c2: i2c2grp {
  95                         fsl,pins = <
  96                                 MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b8b1
  97                                 MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b8b1
  98                         >;
  99                 };
 100
 101                 pinctrl_i2c3: i2c3grp {
 102                         fsl,pins = <
 103                                 MX6QDL_PAD_GPIO_5__I2C3_SCL             0x4001b8b1
 104                                 MX6QDL_PAD_GPIO_16__I2C3_SDA            0x4001b8b1
 105                         >;
 106                 };
 107
 108                 pinctrl_uart4: uart4grp {
 109                         fsl,pins = <
 110                                 MX6QDL_PAD_KEY_COL0__UART4_TX_DATA      0x1b0b1
 111                                 MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA      0x1b0b1
 112                         >;
 113                 };
 114
 115                 pinctrl_usdhc3: usdhc3grp {
 116                         fsl,pins = <
 117                                 MX6QDL_PAD_SD3_CMD__SD3_CMD             0x17059
 118                                 MX6QDL_PAD_SD3_CLK__SD3_CLK             0x10059
 119                                 MX6QDL_PAD_SD3_DAT0__SD3_DATA0          0x17059
 120                                 MX6QDL_PAD_SD3_DAT1__SD3_DATA1          0x17059
 121                                 MX6QDL_PAD_SD3_DAT2__SD3_DATA2          0x17059
 122                                 MX6QDL_PAD_SD3_DAT3__SD3_DATA3          0x17059
 123                         >;
 124                 };
 125
 126                 pinctrl_usdhc4: usdhc4grp {
 127                         fsl,pins = <
 128                                 MX6QDL_PAD_SD4_CMD__SD4_CMD             0x17059
 129                                 MX6QDL_PAD_SD4_CLK__SD4_CLK             0x10059
 130                                 MX6QDL_PAD_SD4_DAT0__SD4_DATA0          0x17059
 131                                 MX6QDL_PAD_SD4_DAT1__SD4_DATA1          0x17059
 132                                 MX6QDL_PAD_SD4_DAT2__SD4_DATA2          0x17059
 133                                 MX6QDL_PAD_SD4_DAT3__SD4_DATA3          0x17059
 134                         >;
 135                 };
 136         };
 137 };
 138
 139 &uart2 {
 140         status = "okay";
 141 };
 142
 143 &uart4 {
 144         pinctrl-names = "default";
 145         pinctrl-0 = <&pinctrl_uart4>;
 146         status = "okay";
 147 };
 148
 149 /* External USB-A port (USBOTG) */
 150 &usbotg {
 151         disable-over-current;
 152         status = "okay";
 153 };
 154
 155 /* Internal USB port (USBH1), connected to RTL8192CU */
 156 &usbh1 {
 157         disable-over-current;
 158         status = "okay";
 159 };
 160
 161 /* External microSD */
 162 &usdhc3 {
 163         pinctrl-names = "default";
 164         pinctrl-0 = <&pinctrl_usdhc3>;
 165         bus-width = <4>;
 166         cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
 167         vmmc-supply = <&reg_3p3v>;
 168         status = "okay";
 169 };
 170
 171 /* Internal microSD */
 172 &usdhc4 {
 173         pinctrl-names = "default";
 174         pinctrl-0 = <&pinctrl_usdhc4>;
 175         bus-width = <4>;
 176         vmmc-supply = <&reg_3p3v>;
 177         status = "okay";
 178 };