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