ARM: dts: sun7i: Add board support for LinkSprite pcDuino V3

The LinkSprite pcDuino V3 is an A20 based development board featuring
arduino compatible io headers, 1G RAM, 4G nand, sata, rtl8188cus usb wifi
and 100 Mbit ethernet using an ip101a phy:

http://www.pcduino.com/pcduino-v3/

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
[hdegoede@redhat.com: Various cleanups, correct led pins]
[hdegoede@redhat.com: Add axp209, ir and gpio-keys nodes]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

2 files changed, 175 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 774a14b..796fea8 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -379,7 +379,8 @@ dtb-$(CONFIG_MACH_SUN7I) += \
 	sun7i-a20-cubieboard2.dtb \
 	sun7i-a20-cubietruck.dtb \
 	sun7i-a20-i12-tvbox.dtb \
-	sun7i-a20-olinuxino-micro.dtb
+	sun7i-a20-olinuxino-micro.dtb \
+	sun7i-a20-pcduino3.dtb
 dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-a23-ippo-q8h-v5.dtb
 dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
diff --git a/arch/arm/boot/dts/sun7i-a20-pcduino3.dts b/arch/arm/boot/dts/sun7i-a20-pcduino3.dts
new file mode 100644
index 0000000..046dfc0
--- /dev/null
+++ b/arch/arm/boot/dts/sun7i-a20-pcduino3.dts
@@ -0,0 +1,173 @@
+/*
+ * Copyright 2014 Zoltan HERPAI
+ * Zoltan HERPAI <wigyori@uid0.hu>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+/include/ "sun7i-a20.dtsi"
+/include/ "sunxi-common-regulators.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	model = "LinkSprite pcDuino3";
+	compatible = "linksprite,pcduino3", "allwinner,sun7i-a20";
+
+	soc@01c00000 {
+		mmc0: mmc@01c0f000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
+			vmmc-supply = <&reg_vcc3v3>;
+			bus-width = <4>;
+			cd-gpios = <&pio 7 1 0>; /* PH1 */
+			cd-inverted;
+			status = "okay";
+		};
+
+		usbphy: phy@01c13400 {
+			usb1_vbus-supply = <&reg_usb1_vbus>;
+			usb2_vbus-supply = <&reg_usb2_vbus>;
+			status = "okay";
+		};
+
+		ehci0: usb@01c14000 {
+			status = "okay";
+		};
+
+		ohci0: usb@01c14400 {
+			status = "okay";
+		};
+
+		ahci: sata@01c18000 {
+			target-supply = <&reg_ahci_5v>;
+			status = "okay";
+		};
+
+		ehci1: usb@01c1c000 {
+			status = "okay";
+		};
+
+		ohci1: usb@01c1c400 {
+			status = "okay";
+		};
+
+		pinctrl@01c20800 {
+			ahci_pwr_pin_a: ahci_pwr_pin@0 {
+				allwinner,pins = "PH2";
+			};
+
+			led_pins_pcduino3: led_pins@0 {
+				allwinner,pins = "PH15", "PH16";
+				allwinner,function = "gpio_out";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+
+			key_pins_pcduino3: key_pins@0 {
+				allwinner,pins = "PH17", "PH18", "PH19";
+				allwinner,function = "gpio_in";
+				allwinner,drive = <0>;
+				allwinner,pull = <0>;
+			};
+		};
+
+		ir0: ir@01c21800 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&ir0_pins_a>;
+			status = "okay";
+		};
+
+		uart0: serial@01c28000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart0_pins_a>;
+			status = "okay";
+		};
+
+		i2c0: i2c@01c2ac00 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pins_a>;
+			status = "okay";
+
+			axp209: pmic@34 {
+				compatible = "x-powers,axp209";
+				reg = <0x34>;
+				interrupt-parent = <&nmi_intc>;
+				interrupts = <0 8>;
+
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		gmac: ethernet@01c50000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&gmac_pins_mii_a>;
+			phy = <&phy1>;
+			phy-mode = "mii";
+			status = "okay";
+
+			phy1: ethernet-phy@1 {
+				reg = <1>;
+			};
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&led_pins_pcduino3>;
+
+		tx {
+			label = "pcduino3:green:tx";
+			gpios = <&pio 7 15 GPIO_ACTIVE_LOW>;
+		};
+
+		rx {
+			label = "pcduino3:green:rx";
+			gpios = <&pio 7 16 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&key_pins_pcduino3>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		button@0 {
+			label = "Key Back";
+			linux,code = <KEY_BACK>;
+			gpios = <&pio 7 17 GPIO_ACTIVE_LOW>;
+		};
+		button@1 {
+			label = "Key Home";
+			linux,code = <KEY_HOME>;
+			gpios = <&pio 7 18 GPIO_ACTIVE_LOW>;
+		};
+		button@2 {
+			label = "Key Menu";
+			linux,code = <KEY_MENU>;
+			gpios = <&pio 7 19 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	reg_usb1_vbus: usb1-vbus {
+		status = "okay";
+	};
+
+	reg_usb2_vbus: usb2-vbus {
+		status = "okay";
+	};
+
+	reg_ahci_5v: ahci-5v {
+		gpio = <&pio 7 2 0>;
+		status = "okay";
+	};
+};