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/*
* Copyright (C) 2013 Philipp Zabel
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "imx6q.dtsi"
/ {
model = "Zealz GK802";
compatible = "zealz,imx6q-gk802", "fsl,imx6q";
chosen {
stdout-path = &uart4;
};
memory@10000000 {
reg = <0x10000000 0x40000000>;
};
regulators {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <0>;
reg_3p3v: regulator@0 {
compatible = "regulator-fixed";
reg = <0>;
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
gpio-keys {
compatible = "gpio-keys";
recovery-button {
label = "recovery";
gpios = <&gpio3 16 1>;
linux,code = <0x198>; /* KEY_RESTART */
wakeup-source;
};
};
};
&hdmi {
ddc-i2c-bus = <&i2c3>;
status = "okay";
};
/* Internal I2C */
&i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
clock-frequency = <100000>;
status = "okay";
/* SDMC DM2016 1024 bit EEPROM + 128 bit OTP */
eeprom: dm2016@51 {
compatible = "sdmc,dm2016";
reg = <0x51>;
};
};
/* External I2C via HDMI */
&i2c3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
clock-frequency = <100000>;
status = "okay";
};
&iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
imx6q-gk802 {
pinctrl_hog: hoggrp {
fsl,pins = <
/* Recovery button, active-low */
MX6QDL_PAD_EIM_D16__GPIO3_IO16 0x100b1
/* RTL8192CU enable GPIO, active-low */
MX6QDL_PAD_NANDF_D0__GPIO2_IO00 0x1b0b0
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b8b1
MX6QDL_PAD_GPIO_16__I2C3_SDA 0x4001b8b1
>;
};
pinctrl_uart4: uart4grp {
fsl,pins = <
MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
>;
};
pinctrl_usdhc3: usdhc3grp {
fsl,pins = <
MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17059
MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10059
MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17059
MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17059
MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17059
MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059
>;
};
pinctrl_usdhc4: usdhc4grp {
fsl,pins = <
MX6QDL_PAD_SD4_CMD__SD4_CMD 0x17059
MX6QDL_PAD_SD4_CLK__SD4_CLK 0x10059
MX6QDL_PAD_SD4_DAT0__SD4_DATA0 0x17059
MX6QDL_PAD_SD4_DAT1__SD4_DATA1 0x17059
MX6QDL_PAD_SD4_DAT2__SD4_DATA2 0x17059
MX6QDL_PAD_SD4_DAT3__SD4_DATA3 0x17059
>;
};
};
};
&uart2 {
status = "okay";
};
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart4>;
status = "okay";
};
/* External USB-A port (USBOTG) */
&usbotg {
disable-over-current;
status = "okay";
};
/* Internal USB port (USBH1), connected to RTL8192CU */
&usbh1 {
disable-over-current;
status = "okay";
};
/* External microSD */
&usdhc3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc3>;
bus-width = <4>;
cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
vmmc-supply = <®_3p3v>;
status = "okay";
};
/* Internal microSD */
&usdhc4 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usdhc4>;
bus-width = <4>;
vmmc-supply = <®_3p3v>;
status = "okay";
};
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