[linux-sunxi][PATCH 1/2] ARM: dts: sun7i: Add Itead Ibox support

[codek...@gmail.com]

From: Marcus Cooper <codek...@gmail.com>

The Itead Ibox is a multi board device based on the Allwinner A20 SoC.
It contains the A20 Itead Core module and a base board for the external
interfaces.

The core module comes with 4GB NAND and 1GB DDR RAM.

The base board to which the core board is connected provides 3 USB 2.0 Host
ports, 1 USB 2.0 OTG, 1 uSD slot, 10/100 Ethernet port, HDMI, IR receiver,
SPDIF and a 32-pin GPIO header. This header expands the features of core
board by exposing the VGA pins, audio In/Out pins, SATA, SPI, I2C, UARTS,
USB-OTG and power.

As there is an A10 version of the Itead Core Module and at least one other
base board to support then this patch partitions the device tree files with
some consideration that these variants may be added later.

Signed-off-by: Marcus Cooper <codek...@gmail.com>
---
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/sun7i-a20-itead-core.dtsi | 83 ++++++++++++++++++
arch/arm/boot/dts/sun7i-a20-itead-ibox.dts | 98 ++++++++++++++++++++++
arch/arm/boot/dts/sunxi-itead-core-common.dtsi | 111 +++++++++++++++++++++++++
4 files changed, 293 insertions(+)
create mode 100644 arch/arm/boot/dts/sun7i-a20-itead-core.dtsi
create mode 100644 arch/arm/boot/dts/sun7i-a20-itead-ibox.dts
create mode 100644 arch/arm/boot/dts/sunxi-itead-core-common.dtsi

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index cc7309b..ee8a1dc 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -637,6 +637,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
sun7i-a20-cubieboard2.dtb \
sun7i-a20-cubietruck.dtb \
sun7i-a20-hummingbird.dtb \
+ sun7i-a20-itead-ibox.dtb \
sun7i-a20-i12-tvbox.dtb \
sun7i-a20-icnova-swac.dtb \
sun7i-a20-m3.dtb \
diff --git a/arch/arm/boot/dts/sun7i-a20-itead-core.dtsi b/arch/arm/boot/dts/sun7i-a20-itead-core.dtsi
new file mode 100644
index 0000000..b50be89
--- /dev/null
+++ b/arch/arm/boot/dts/sun7i-a20-itead-core.dtsi
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2015 - Marcus Cooper <codek...@gmail.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "sun7i-a20.dtsi"
+#include "sunxi-itead-core-common.dtsi"
+
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_a>;
+ status = "okay";
+
+ axp209: pmic@34 {
+ reg = <0x34>;
+ interrupt-parent = <&nmi_intc>;
+ interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
+#include "axp209.dtsi"
+
+&reg_dcdc2 {
+ regulator-always-on;
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc3 {
+ regulator-always-on;
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-name = "vdd-int-dll";
+};
+
+&reg_ldo1 {
+ regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+ regulator-always-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "avcc";
+};
diff --git a/arch/arm/boot/dts/sun7i-a20-itead-ibox.dts b/arch/arm/boot/dts/sun7i-a20-itead-ibox.dts
new file mode 100644
index 0000000..90ff677
--- /dev/null
+++ b/arch/arm/boot/dts/sun7i-a20-itead-ibox.dts
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2015 - Marcus Cooper <codek...@gmail.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "sun7i-a20-itead-core.dtsi"
+
+/ {
+ model = "Itead Ibox A20";
+ compatible = "itead,itead_ibox_a20", "allwinner,sun7i-a20";
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&led_pins_itead_core>;
+
+ green {
+ label = "itead_core:green:usr";
+ gpios = <&pio 7 20 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+
+ blue {
+ label = "itead_core:blue:usr";
+ gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+ };
+};
+
+&ahci {
+ status = "okay";
+};
+
+&gmac {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac_pins_mii_a>;
+ phy = <&phy1>;
+ phy-mode = "mii";
+ status = "okay";
+
+ phy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+};
+
+&ir0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ir0_rx_pins_a>;
+ status = "okay";
+};
+
+&pio {
+ led_pins_itead_core: led_pins@0 {
+ allwinner,pins = "PH20","PH21";
+ allwinner,function = "gpio_out";
+ allwinner,drive = <SUN4I_PINCTRL_20_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+};
diff --git a/arch/arm/boot/dts/sunxi-itead-core-common.dtsi b/arch/arm/boot/dts/sunxi-itead-core-common.dtsi
new file mode 100644
index 0000000..383cf3b
--- /dev/null
+++ b/arch/arm/boot/dts/sunxi-itead-core-common.dtsi
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2015 - Marcus Cooper <codek...@gmail.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+};
+
+&ahci {
+ target-supply = <&reg_ahci_5v>;
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c1_pins_a>;
+ status = "okay";
+};
+
+&mmc0 {
+ 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 GPIO_ACTIVE_HIGH>; /* PH1 */
+ cd-inverted;
+ status = "okay";
+};
+
+&ohci1 {
+ status = "okay";
+};
+
+&reg_ahci_5v {
+ pinctrl-0 = <&ahci_pwr_pin_a>;
+ gpio = <&pio 1 8 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+};
+
+&reg_usb1_vbus {
+ status = "okay";
+};
+
+&reg_usb2_vbus {
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins_a>;
+ status = "okay";
+};
+
+&usbphy {
+ usb1_vbus-supply = <&reg_usb1_vbus>;
+ usb2_vbus-supply = <&reg_usb2_vbus>;
+ status = "okay";
+};
--
2.6.3

[Maxime Ripard]

Hi,

On Tue, Dec 08, 2015 at 07:29:03PM +0100, codek...@gmail.com wrote:
> From: Marcus Cooper <codek...@gmail.com>
>
> The Itead Ibox is a multi board device based on the Allwinner A20 SoC.
> It contains the A20 Itead Core module and a base board for the external
> interfaces.
>
> The core module comes with 4GB NAND and 1GB DDR RAM.
>
> The base board to which the core board is connected provides 3 USB 2.0 Host
> ports, 1 USB 2.0 OTG, 1 uSD slot, 10/100 Ethernet port, HDMI, IR receiver,
> SPDIF and a 32-pin GPIO header. This header expands the features of core
> board by exposing the VGA pins, audio In/Out pins, SATA, SPI, I2C, UARTS,
> USB-OTG and power.
>
> As there is an A10 version of the Itead Core Module and at least one other
> base board to support then this patch partitions the device tree files with
> some consideration that these variants may be added later.
>
> Signed-off-by: Marcus Cooper <codek...@gmail.com>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/sun7i-a20-itead-core.dtsi | 83 ++++++++++++++++++
> arch/arm/boot/dts/sun7i-a20-itead-ibox.dts | 98 ++++++++++++++++++++++
> arch/arm/boot/dts/sunxi-itead-core-common.dtsi | 111 +++++++++++++++++++++++++
> 4 files changed, 293 insertions(+)
> create mode 100644 arch/arm/boot/dts/sun7i-a20-itead-core.dtsi
> create mode 100644 arch/arm/boot/dts/sun7i-a20-itead-ibox.dts
> create mode 100644 arch/arm/boot/dts/sunxi-itead-core-common.dtsi

So, it looks like you're doing several things in this patch:

1) Create a common DTSI for all itead core variants
(sunxi-itead-core-common.dtsi)

2) Create an A20 variant of the itead core
3) Add support for a board using the A20 itead core.

Please make three different patches for this, and converting the A10
itead board would be a good idea too.

Thanks!
Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

[Code Kipper]

On 11 December 2015 at 11:59, Maxime Ripard

Sure, I will split this into four(or five) patches and include the A10
variant. I haven't got a A10 Itead board but I've seen that someone
has just popped on irc asking questions about it. I will ping them to
see if they can verify it for me.
CK