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ARM: dts: sun7i: Add Merrii A20 Hummingbird board
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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>
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Wills Wang authored and Maxime Ripard committed Aug 19, 2014
1 parent 7b5bace commit d95d6d4
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1 change: 1 addition & 0 deletions arch/arm/boot/dts/Makefile
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Expand Up @@ -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
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236 changes: 236 additions & 0 deletions arch/arm/boot/dts/sun7i-a20-hummingbird.dts
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@@ -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 */
};
};

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