[PATCH] ARM: dts: imx6q: Add support for Zealz GK802

[s.hauer@pengutronix.de (Sascha Hauer)]

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>
---
 arch/arm/boot/dts/Makefile        |   1 +
 arch/arm/boot/dts/imx6q-gk802.dts | 151 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 152 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx6q-gk802.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index aeb8053..9ed00a0 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -171,6 +171,7 @@ dtb-$(CONFIG_ARCH_MXC) += \
 	imx6q-arm2.dtb \
 	imx6q-cm-fx6.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
index 0000000..0d010df
--- /dev/null
+++ b/arch/arm/boot/dts/imx6q-gk802.dts
@@ -0,0 +1,151 @@
+/*
+ * 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";
+
+		reg_3p3v: 3p3v {
+			compatible = "regulator-fixed";
+			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_gk802>;
+	clock-frequency = <100000>;
+	status = "okay";
+
+	/* SDMC DM2016 1024 bit EEPROM + 128 bit OTP */
+	eeprom: dm2016 at 51 {
+		compatible = "sdmc,dm2016";
+		reg = <0x51>;
+	};
+};
+
+/* External I2C via HDMI */
+&i2c3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3_gk802>;
+	clock-frequency = <100000>;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog>;
+
+	hog {
+		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
+			>;
+		};
+	};
+
+	i2c {
+		pinctrl_i2c2_gk802: i2c2grp-1 {
+			fsl,pins = <MX6QDL_I2C2_PINGRP2>;
+		};
+
+		pinctrl_i2c3_gk802: i2c3grp-1 {
+			fsl,pins = <MX6QDL_I2C3_PINGRP3>;
+		};
+	};
+
+	uart {
+		pinctrl_uart4: uart4grp {
+			fsl,pins = <MX6QDL_UART4_PINGRP1>;
+		};
+	};
+
+	usdhc {
+		pinctrl_usdhc3: usdhc3grp {
+			fsl,pins = <MX6QDL_USDHC3_PINGRP_D4>;
+		};
+
+		pinctrl_usdhc4: usdhc4grp {
+			fsl,pins = <MX6QDL_USDHC4_PINGRP_D4>;
+		};
+	};
+};
+
+&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";
+};
-- 
1.8.5.2