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                 linux,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 /* Internal I2C */
  52 &i2c2 {
  53         pinctrl-names = "default";
  54         pinctrl-0 = <&pinctrl_i2c2>;
  55         clock-frequency = <100000>;
  56         status = "okay";
  57
  58         /* SDMC DM2016 1024 bit EEPROM + 128 bit OTP */
  59         eeprom: dm2016@51 {
  60                 compatible = "sdmc,dm2016";
  61                 reg = <0x51>;
  62         };
  63 };
  64
  65 /* External I2C via HDMI */
  66 &i2c3 {
  67         pinctrl-names = "default";
  68         pinctrl-0 = <&pinctrl_i2c3>;
  69         clock-frequency = <100000>;
  70         status = "okay";
  71 };
  72
  73 &iomuxc {
  74         pinctrl-names = "default";
  75         pinctrl-0 = <&pinctrl_hog>;
  76
  77         imx6q-gk802 {
  78                 pinctrl_hog: hoggrp {
  79                         fsl,pins = <
  80                                 /* Recovery button, active-low */
  81                                 MX6QDL_PAD_EIM_D16__GPIO3_IO16  0x100b1
  82                                 /* RTL8192CU enable GPIO, active-low */
  83                                 MX6QDL_PAD_NANDF_D0__GPIO2_IO00 0x1b0b0
  84                         >;
  85                 };
  86
  87                 pinctrl_i2c2: i2c2grp {
  88                         fsl,pins = <
  89                                 MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b8b1
  90                                 MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b8b1
  91                         >;
  92                 };
  93
  94                 pinctrl_i2c3: i2c3grp {
  95                         fsl,pins = <
  96                                 MX6QDL_PAD_GPIO_5__I2C3_SCL             0x4001b8b1
  97                                 MX6QDL_PAD_GPIO_16__I2C3_SDA            0x4001b8b1
  98                         >;
  99                 };
 100
 101                 pinctrl_uart4: uart4grp {
 102                         fsl,pins = <
 103                                 MX6QDL_PAD_KEY_COL0__UART4_TX_DATA      0x1b0b1
 104                                 MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA      0x1b0b1
 105                         >;
 106                 };
 107
 108                 pinctrl_usdhc3: usdhc3grp {
 109                         fsl,pins = <
 110                                 MX6QDL_PAD_SD3_CMD__SD3_CMD             0x17059
 111                                 MX6QDL_PAD_SD3_CLK__SD3_CLK             0x10059
 112                                 MX6QDL_PAD_SD3_DAT0__SD3_DATA0          0x17059
 113                                 MX6QDL_PAD_SD3_DAT1__SD3_DATA1          0x17059
 114                                 MX6QDL_PAD_SD3_DAT2__SD3_DATA2          0x17059
 115                                 MX6QDL_PAD_SD3_DAT3__SD3_DATA3          0x17059
 116                         >;
 117                 };
 118
 119                 pinctrl_usdhc4: usdhc4grp {
 120                         fsl,pins = <
 121                                 MX6QDL_PAD_SD4_CMD__SD4_CMD             0x17059
 122                                 MX6QDL_PAD_SD4_CLK__SD4_CLK             0x10059
 123                                 MX6QDL_PAD_SD4_DAT0__SD4_DATA0          0x17059
 124                                 MX6QDL_PAD_SD4_DAT1__SD4_DATA1          0x17059
 125                                 MX6QDL_PAD_SD4_DAT2__SD4_DATA2          0x17059
 126                                 MX6QDL_PAD_SD4_DAT3__SD4_DATA3          0x17059
 127                         >;
 128                 };
 129         };
 130 };
 131
 132 &uart2 {
 133         status = "okay";
 134 };
 135
 136 &uart4 {
 137         pinctrl-names = "default";
 138         pinctrl-0 = <&pinctrl_uart4>;
 139         status = "okay";
 140 };
 141
 142 /* External USB-A port (USBOTG) */
 143 &usbotg {
 144         disable-over-current;
 145         status = "okay";
 146 };
 147
 148 /* Internal USB port (USBH1), connected to RTL8192CU */
 149 &usbh1 {
 150         disable-over-current;
 151         status = "okay";
 152 };
 153
 154 /* External microSD */
 155 &usdhc3 {
 156         pinctrl-names = "default";
 157         pinctrl-0 = <&pinctrl_usdhc3>;
 158         bus-width = <4>;
 159         cd-gpios = <&gpio6 11 0>;
 160         vmmc-supply = <&reg_3p3v>;
 161         status = "okay";
 162 };
 163
 164 /* Internal microSD */
 165 &usdhc4 {
 166         pinctrl-names = "default";
 167         pinctrl-0 = <&pinctrl_usdhc4>;
 168         bus-width = <4>;
 169         vmmc-supply = <&reg_3p3v>;
 170         status = "okay";
 171 };