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 "imx6q.dtsi"
  11
  12 / {
  13         model = "Zealz GK802";
  14         compatible = "zealz,imx6q-gk802", "fsl,imx6q";
  15
  16         chosen {
  17                 stdout-path = &uart4;
  18         };
  19
  20         memory {
  21                 reg = <0x10000000 0x40000000>;
  22         };
  23
  24         regulators {
  25                 compatible = "simple-bus";
  26                 #address-cells = <1>;
  27                 #size-cells = <0>;
  28
  29                 reg_3p3v: regulator@0 {
  30                         compatible = "regulator-fixed";
  31                         reg = <0>;
  32                         regulator-name = "3P3V";
  33                         regulator-min-microvolt = <3300000>;
  34                         regulator-max-microvolt = <3300000>;
  35                         regulator-always-on;
  36                 };
  37         };
  38
  39         gpio-keys {
  40                 compatible = "gpio-keys";
  41
  42                 recovery-button {
  43                         label = "recovery";
  44                         gpios = <&gpio3 16 1>;
  45                         linux,code = <0x198>; /* KEY_RESTART */
  46                         gpio-key,wakeup;
  47                 };
  48         };
  49 };
  50
  51 &hdmi {
  52         ddc-i2c-bus = <&i2c3>;
  53         status = "okay";
  54 };
  55
  56 /* Internal I2C */
  57 &i2c2 {
  58         pinctrl-names = "default";
  59         pinctrl-0 = <&pinctrl_i2c2>;
  60         clock-frequency = <100000>;
  61         status = "okay";
  62
  63         /* SDMC DM2016 1024 bit EEPROM + 128 bit OTP */
  64         eeprom: dm2016@51 {
  65                 compatible = "sdmc,dm2016";
  66                 reg = <0x51>;
  67         };
  68 };
  69
  70 /* External I2C via HDMI */
  71 &i2c3 {
  72         pinctrl-names = "default";
  73         pinctrl-0 = <&pinctrl_i2c3>;
  74         clock-frequency = <100000>;
  75         status = "okay";
  76 };
  77
  78 &iomuxc {
  79         pinctrl-names = "default";
  80         pinctrl-0 = <&pinctrl_hog>;
  81
  82         imx6q-gk802 {
  83                 pinctrl_hog: hoggrp {
  84                         fsl,pins = <
  85                                 /* Recovery button, active-low */
  86                                 MX6QDL_PAD_EIM_D16__GPIO3_IO16  0x100b1
  87                                 /* RTL8192CU enable GPIO, active-low */
  88                                 MX6QDL_PAD_NANDF_D0__GPIO2_IO00 0x1b0b0
  89                         >;
  90                 };
  91
  92                 pinctrl_i2c2: i2c2grp {
  93                         fsl,pins = <
  94                                 MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b8b1
  95                                 MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b8b1
  96                         >;
  97                 };
  98
  99                 pinctrl_i2c3: i2c3grp {
 100                         fsl,pins = <
 101                                 MX6QDL_PAD_GPIO_5__I2C3_SCL             0x4001b8b1
 102                                 MX6QDL_PAD_GPIO_16__I2C3_SDA            0x4001b8b1
 103                         >;
 104                 };
 105
 106                 pinctrl_uart4: uart4grp {
 107                         fsl,pins = <
 108                                 MX6QDL_PAD_KEY_COL0__UART4_TX_DATA      0x1b0b1
 109                                 MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA      0x1b0b1
 110                         >;
 111                 };
 112
 113                 pinctrl_usdhc3: usdhc3grp {
 114                         fsl,pins = <
 115                                 MX6QDL_PAD_SD3_CMD__SD3_CMD             0x17059
 116                                 MX6QDL_PAD_SD3_CLK__SD3_CLK             0x10059
 117                                 MX6QDL_PAD_SD3_DAT0__SD3_DATA0          0x17059
 118                                 MX6QDL_PAD_SD3_DAT1__SD3_DATA1          0x17059
 119                                 MX6QDL_PAD_SD3_DAT2__SD3_DATA2          0x17059
 120                                 MX6QDL_PAD_SD3_DAT3__SD3_DATA3          0x17059
 121                         >;
 122                 };
 123
 124                 pinctrl_usdhc4: usdhc4grp {
 125                         fsl,pins = <
 126                                 MX6QDL_PAD_SD4_CMD__SD4_CMD             0x17059
 127                                 MX6QDL_PAD_SD4_CLK__SD4_CLK             0x10059
 128                                 MX6QDL_PAD_SD4_DAT0__SD4_DATA0          0x17059
 129                                 MX6QDL_PAD_SD4_DAT1__SD4_DATA1          0x17059
 130                                 MX6QDL_PAD_SD4_DAT2__SD4_DATA2          0x17059
 131                                 MX6QDL_PAD_SD4_DAT3__SD4_DATA3          0x17059
 132                         >;
 133                 };
 134         };
 135 };
 136
 137 &uart2 {
 138         status = "okay";
 139 };
 140
 141 &uart4 {
 142         pinctrl-names = "default";
 143         pinctrl-0 = <&pinctrl_uart4>;
 144         status = "okay";
 145 };
 146
 147 /* External USB-A port (USBOTG) */
 148 &usbotg {
 149         disable-over-current;
 150         status = "okay";
 151 };
 152
 153 /* Internal USB port (USBH1), connected to RTL8192CU */
 154 &usbh1 {
 155         disable-over-current;
 156         status = "okay";
 157 };
 158
 159 /* External microSD */
 160 &usdhc3 {
 161         pinctrl-names = "default";
 162         pinctrl-0 = <&pinctrl_usdhc3>;
 163         bus-width = <4>;
 164         cd-gpios = <&gpio6 11 0>;
 165         vmmc-supply = <&reg_3p3v>;
 166         status = "okay";
 167 };
 168
 169 /* Internal microSD */
 170 &usdhc4 {
 171         pinctrl-names = "default";
 172         pinctrl-0 = <&pinctrl_usdhc4>;
 173         bus-width = <4>;
 174         vmmc-supply = <&reg_3p3v>;
 175         status = "okay";
 176 };