ARM: dts: imx6q: Add support for Zealz GK802

Add support for the GK802 'QUAD CORE Mini PC', which seems to be loosely
based on the Freescale i.MX6Q HDMI dongle reference design.
It is supposedly identical to the Hiapad Hi802.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7aa7b6393e132a2daffa15ce769ddd8d5885347c..6b3e86ab85e8c07ff5bbee2844d97883c207eafa 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -169,6 +169,7 @@ dtb-$(CONFIG_ARCH_MXC) += \
        imx6q-cubox-i.dtb \
        imx6q-dfi-fs700-m60.dtb \
        imx6q-dmo-edmqmx6.dtb \
+       imx6q-gk802.dtb \
        imx6q-gw51xx.dtb \
        imx6q-gw52xx.dtb \
        imx6q-gw53xx.dtb \

diff --git a/arch/arm/boot/dts/imx6q-gk802.dts b/arch/arm/boot/dts/imx6q-gk802.dts
new file mode 100644 (file)
index 0000000..4a9b4dc
--- /dev/null
+++ b/arch/arm/boot/dts/imx6q-gk802.dts
@@ -0,0 +1,171 @@
+/*
+ * 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 "imx6q.dtsi"
+
+/ {
+       model = "Zealz GK802";
+       compatible = "zealz,imx6q-gk802", "fsl,imx6q";
+
+       chosen {
+               linux,stdout-path = &uart4;
+       };
+
+       memory {
+               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 */
+                       gpio-key,wakeup;
+               };
+       };
+};
+
+/* 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 0>;
+       vmmc-supply = <&reg_3p3v>;
+       status = "okay";
+};
+
+/* Internal microSD */
+&usdhc4 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usdhc4>;
+       bus-width = <4>;
+       vmmc-supply = <&reg_3p3v>;
+       status = "okay";
+};