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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Copyright (C) 2013 Philipp Zabel
   3
   4 /dts-v1/;
   5 #include <dt-bindings/gpio/gpio.h>
   6 #include <dt-bindings/input/input.h>
   7 #include "imx6q.dtsi"
   8
   9 / {
  10         model = "Zealz GK802";
  11         compatible = "zealz,imx6q-gk802", "fsl,imx6q";
  12
  13         chosen {
  14                 stdout-path = &uart4;
  15         };
  16
  17         memory@10000000 {
  18                 device_type = "memory";
  19                 reg = <0x10000000 0x40000000>;
  20         };
  21
  22         regulators {
  23                 compatible = "simple-bus";
  24                 #address-cells = <1>;
  25                 #size-cells = <0>;
  26
  27                 reg_3p3v: regulator@0 {
  28                         compatible = "regulator-fixed";
  29                         reg = <0>;
  30                         regulator-name = "3P3V";
  31                         regulator-min-microvolt = <3300000>;
  32                         regulator-max-microvolt = <3300000>;
  33                         regulator-always-on;
  34                 };
  35         };
  36
  37         gpio-keys {
  38                 compatible = "gpio-keys";
  39
  40                 recovery-button {
  41                         label = "recovery";
  42                         gpios = <&gpio3 16 1>;
  43                         linux,code = <KEY_RESTART>;
  44                         wakeup-source;
  45                 };
  46         };
  47 };
  48
  49 &hdmi {
  50         ddc-i2c-bus = <&i2c3>;
  51         status = "okay";
  52 };
  53
  54 /* Internal I2C */
  55 &i2c2 {
  56         pinctrl-names = "default";
  57         pinctrl-0 = <&pinctrl_i2c2>;
  58         clock-frequency = <100000>;
  59         status = "okay";
  60
  61         /* SDMC DM2016 1024 bit EEPROM + 128 bit OTP */
  62         eeprom: dm2016@51 {
  63                 compatible = "sdmc,dm2016";
  64                 reg = <0x51>;
  65         };
  66 };
  67
  68 /* External I2C via HDMI */
  69 &i2c3 {
  70         pinctrl-names = "default";
  71         pinctrl-0 = <&pinctrl_i2c3>;
  72         clock-frequency = <100000>;
  73         status = "okay";
  74 };
  75
  76 &iomuxc {
  77         pinctrl-names = "default";
  78         pinctrl-0 = <&pinctrl_hog>;
  79
  80         imx6q-gk802 {
  81                 pinctrl_hog: hoggrp {
  82                         fsl,pins = <
  83                                 /* Recovery button, active-low */
  84                                 MX6QDL_PAD_EIM_D16__GPIO3_IO16  0x100b1
  85                                 /* RTL8192CU enable GPIO, active-low */
  86                                 MX6QDL_PAD_NANDF_D0__GPIO2_IO00 0x1b0b0
  87                         >;
  88                 };
  89
  90                 pinctrl_i2c2: i2c2grp {
  91                         fsl,pins = <
  92                                 MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b8b1
  93                                 MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b8b1
  94                         >;
  95                 };
  96
  97                 pinctrl_i2c3: i2c3grp {
  98                         fsl,pins = <
  99                                 MX6QDL_PAD_GPIO_5__I2C3_SCL             0x4001b8b1
 100                                 MX6QDL_PAD_GPIO_16__I2C3_SDA            0x4001b8b1
 101                         >;
 102                 };
 103
 104                 pinctrl_uart4: uart4grp {
 105                         fsl,pins = <
 106                                 MX6QDL_PAD_KEY_COL0__UART4_TX_DATA      0x1b0b1
 107                                 MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA      0x1b0b1
 108                         >;
 109                 };
 110
 111                 pinctrl_usdhc3: usdhc3grp {
 112                         fsl,pins = <
 113                                 MX6QDL_PAD_SD3_CMD__SD3_CMD             0x17059
 114                                 MX6QDL_PAD_SD3_CLK__SD3_CLK             0x10059
 115                                 MX6QDL_PAD_SD3_DAT0__SD3_DATA0          0x17059
 116                                 MX6QDL_PAD_SD3_DAT1__SD3_DATA1          0x17059
 117                                 MX6QDL_PAD_SD3_DAT2__SD3_DATA2          0x17059
 118                                 MX6QDL_PAD_SD3_DAT3__SD3_DATA3          0x17059
 119                         >;
 120                 };
 121
 122                 pinctrl_usdhc4: usdhc4grp {
 123                         fsl,pins = <
 124                                 MX6QDL_PAD_SD4_CMD__SD4_CMD             0x17059
 125                                 MX6QDL_PAD_SD4_CLK__SD4_CLK             0x10059
 126                                 MX6QDL_PAD_SD4_DAT0__SD4_DATA0          0x17059
 127                                 MX6QDL_PAD_SD4_DAT1__SD4_DATA1          0x17059
 128                                 MX6QDL_PAD_SD4_DAT2__SD4_DATA2          0x17059
 129                                 MX6QDL_PAD_SD4_DAT3__SD4_DATA3          0x17059
 130                         >;
 131                 };
 132         };
 133 };
 134
 135 &uart2 {
 136         status = "okay";
 137 };
 138
 139 &uart4 {
 140         pinctrl-names = "default";
 141         pinctrl-0 = <&pinctrl_uart4>;
 142         status = "okay";
 143 };
 144
 145 /* External USB-A port (USBOTG) */
 146 &usbotg {
 147         disable-over-current;
 148         status = "okay";
 149 };
 150
 151 /* Internal USB port (USBH1), connected to RTL8192CU */
 152 &usbh1 {
 153         disable-over-current;
 154         status = "okay";
 155 };
 156
 157 /* External microSD */
 158 &usdhc3 {
 159         pinctrl-names = "default";
 160         pinctrl-0 = <&pinctrl_usdhc3>;
 161         bus-width = <4>;
 162         cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
 163         vmmc-supply = <&reg_3p3v>;
 164         status = "okay";
 165 };
 166
 167 /* Internal microSD */
 168 &usdhc4 {
 169         pinctrl-names = "default";
 170         pinctrl-0 = <&pinctrl_usdhc4>;
 171         bus-width = <4>;
 172         vmmc-supply = <&reg_3p3v>;
 173         status = "okay";
 174 };