ARM: dts: sun7i: Add Merrii A20 Hummingbird board

This adds support for the A20 Hummingbird:
http://www.merrii.com/en/pla_d.asp?id=171

This patch enable most on-board peripherals supported on current kernel,
such as uart, i2c, spi, pwm, ohci/ehci, gmac and mmc.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Wills Wang <wills.wang.open@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

2 files changed, 237 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b8c5cd3ddeb9..c72f6537b47a 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -416,6 +416,7 @@ dtb-$(CONFIG_MACH_SUN6I) += \
 dtb-$(CONFIG_MACH_SUN7I) += \
         sun7i-a20-cubieboard2.dtb \
         sun7i-a20-cubietruck.dtb \
+        sun7i-a20-hummingbird.dtb \
         sun7i-a20-i12-tvbox.dtb \
         sun7i-a20-olinuxino-micro.dtb \
         sun7i-a20-pcduino3.dtb
diff --git a/arch/arm/boot/dts/sun7i-a20-hummingbird.dts b/arch/arm/boot/dts/sun7i-a20-hummingbird.dts
new file mode 100644
index 000000000000..0e4bfa3b2b85
--- /dev/null
+++ b/arch/arm/boot/dts/sun7i-a20-hummingbird.dts
@@ -0,0 +1,236 @@
+/*
+ * Copyright 2013 Wills Wang
+ *
+ * Wills Wang <wills.wang.open@gmail.com>
+ *
+ * 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"
+
+/ {
+        model = "Merrii A20 Hummingbird";
+        compatible = "merrii,a20-hummingbird", "allwinner,sun7i-a20";
+
+        soc@01c00000 {
+                mmc0: mmc@01c0f000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
+                        vmmc-supply = <&reg_vcc3v0>;
+                        bus-width = <4>;
+                        cd-gpios = <&pio 7 1 0>; /* PH1 */
+                        cd-inverted;
+                        status = "okay";
+                };
+
+                mmc3: mmc@01c12000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&mmc3_pins_a>;
+                        vmmc-supply = <&reg_mmc3_vdd>;
+                        bus-width = <4>;
+                        non-removable;
+                        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";
+                };
+
+                pio: pinctrl@01c20800 {
+                        ahci_pwr_pin_a20_hummingbird: ahci_pwr_pin@0 {
+                                allwinner,pins = "PH15";
+                                allwinner,function = "gpio_out";
+                                allwinner,drive = <0>;
+                                allwinner,pull = <0>;
+                        };
+
+                        usb1_vbus_pin_a20_hummingbird: usb1_vbus_pin@0 {
+                                allwinner,pins = "PH2";
+                                allwinner,function = "gpio_out";
+                                allwinner,drive = <0>;
+                                allwinner,pull = <0>;
+                        };
+
+                        mmc3_vdd_pin_a20_hummingbird: mmc3_vdd_pin@0 {
+                                allwinner,pins = "PH9";
+                                allwinner,function = "gpio_out";
+                                allwinner,drive = <0>;
+                                allwinner,pull = <0>;
+                        };
+
+                        gmac_vdd_pin_a20_hummingbird: gmac_vdd_pin@0 {
+                                allwinner,pins = "PH16";
+                                allwinner,function = "gpio_out";
+                                allwinner,drive = <0>;
+                                allwinner,pull = <0>;
+                        };
+                };
+
+                pwm: pwm@01c20e00 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&pwm0_pins_a>;
+                        status = "okay";
+                };
+
+                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";
+                };
+
+                uart2: serial@01c28800 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&uart2_pins_a>;
+                        status = "okay";
+                };
+
+                uart3: serial@01c28c00 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&uart3_pins_a>;
+                        status = "okay";
+                };
+
+                uart4: serial@01c29000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&uart4_pins_a>;
+                        status = "okay";
+                };
+
+                uart5: serial@01c29400 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&uart5_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>;
+                        };
+                };
+
+                i2c1: i2c@01c2b000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&i2c1_pins_a>;
+                        status = "okay";
+                };
+
+                i2c2: i2c@01c2b400 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&i2c2_pins_a>;
+                        status = "okay";
+                };
+
+                i2c3: i2c@01c2b800 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&i2c3_pins_a>;
+                        status = "okay";
+                };
+
+                spi2: spi@01c17000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&spi2_pins_b>;
+                        status = "okay";
+                };
+
+                gmac: ethernet@01c50000 {
+                        pinctrl-names = "default";
+                        pinctrl-0 = <&gmac_pins_rgmii_a>;
+                        phy = <&phy1>;
+                        phy-mode = "rgmii";
+                        phy-supply = <&reg_gmac_vdd>;
+                        /* phy reset config */
+                        snps,reset-gpio = <&pio 0 17 0>; /* PA17 */
+                        snps,reset-active-low;
+                        /* wait 1s after reset, otherwise fail to read phy id */
+                        snps,reset-delays-us = <0 10000 1000000>;
+                        status = "okay";
+
+                        phy1: ethernet-phy@1 {
+                                reg = <1>;
+                        };
+                };
+        };
+
+        reg_ahci_5v: ahci-5v {
+                pinctrl-0 = <&ahci_pwr_pin_a20_hummingbird>;
+                gpio = <&pio 7 15 0>; /* PH15 */
+                status = "okay";
+        };
+
+        reg_usb1_vbus: usb1-vbus {
+                pinctrl-0 = <&usb1_vbus_pin_a20_hummingbird>;
+                gpio = <&pio 7 2 0>; /* PH2 */
+                status = "okay";
+        };
+
+        reg_usb2_vbus: usb2-vbus {
+                status = "okay";
+        };
+
+        reg_mmc3_vdd: mmc3_vdd {
+                compatible = "regulator-fixed";
+                pinctrl-names = "default";
+                pinctrl-0 = <&mmc3_vdd_pin_a20_hummingbird>;
+                regulator-name = "mmc3_vdd";
+                regulator-min-microvolt = <3000000>;
+                regulator-max-microvolt = <3000000>;
+                enable-active-high;
+                gpio = <&pio 7 9 0>; /* PH9 */
+        };
+
+        reg_gmac_vdd: gmac_vdd {
+                compatible = "regulator-fixed";
+                pinctrl-names = "default";
+                pinctrl-0 = <&gmac_vdd_pin_a20_hummingbird>;
+                regulator-name = "gmac_vdd";
+                regulator-min-microvolt = <3000000>;
+                regulator-max-microvolt = <3000000>;
+                enable-active-high;
+                gpio = <&pio 7 16 0>; /* PH16 */
+        };
+};