[PATCH 1/2] devicetree: Add vendor prefix for Shenzhen Sunchip Technology Co., Ltd

[PATCH 1/2] devicetree: Add vendor prefix for Shenzhen Sunchip Technology Co., Ltd

[Rask Ingemann Lambertsen]

Shenzhen Sunchip Technology Co., Ltd produces TV boxes and TV dongles,
some of which are sold under other brands. Website:
<URL:http://www.sunchip-tech.com/>

Signed-off-by: Rask Ingemann Lambertsen <ccc94453@vip.cybercity.dk>
---
 Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 1992aa9..fbad2cea 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -256,6 +256,7 @@ ste	ST-Ericsson
 stericsson	ST-Ericsson
 syna	Synaptics Inc.
 synology	Synology, Inc.
+sunchip	Shenzhen Sunchip Technology Co., Ltd
 SUNW	Sun Microsystems, Inc
 tbs	TBS Technologies
 tcg	Trusted Computing Group
-- 
2.8.1



-- 
Rask Ingemann Lambertsen

[PATCH v2 1/2] devicetree: Add vendor prefix for Shenzhen Sunchip Technology Co., Ltd

[Rask Ingemann Lambertsen]

Shenzhen Sunchip Technology Co., Ltd produces TV boxes and TV dongles,
some of which are sold under other brands. Website:
<URL:http://www.sunchip-tech.com/>

Signed-off-by: Rask Ingemann Lambertsen <ccc94453@vip.cybercity.dk>
---
Changes in v2:
No patch changes, but added CC to the ARM kernel mailing list.

 Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 1992aa9..fbad2cea 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -256,6 +256,7 @@ ste	ST-Ericsson
 stericsson	ST-Ericsson
 syna	Synaptics Inc.
 synology	Synology, Inc.
+sunchip	Shenzhen Sunchip Technology Co., Ltd
 SUNW	Sun Microsystems, Inc
 tbs	TBS Technologies
 tcg	Trusted Computing Group
-- 
2.8.1

[PATCH v2 2/2] ARM: dts: sun9i: Initial support for the Sunchip CX-A99 board

[Rask Ingemann Lambertsen]

The Suncip CX-A99 board is found in at least four brands of TV boxes.
It features an Allwinner A80 SOC, with either 2 GiB DDR3 DRAM and
16 GB eMMC or 4 GiB DDR3 DRAM and 32 GB eMMC, as well as several support
chips for Ethernet, wireless networking, video output, SATA and power
management. For details, see the linux-sunxi page about the board
<URL:https://linux-sunxi.org/Sunchip_CX-A99>.

This patch only adds support for the SD and eMMC storage, real-time clock,
USB 2.0 ports (and by extension the SATA port), the UART port and the LEDs.
All of this relies on the bootloader to leave those parts powered up, as
I'm still working on a driver for the AXP808 PMIC.

Signed-off-by: Rask Ingemann Lambertsen <ccc94453@vip.cybercity.dk>
---
Although the vendor U-Boot lets you boot the kernel on one of the
Cortex-A15 cores, the kernel gpio-regulator driver currently glitches
the GPIO lines to the OZ80120 regulator such that the system crashes
during startup. This part needs further work to be useful.

The driver for the AC100 real-time clock is found in Lee Jones' MFD branch
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git ib-mfd-rtc-v4.9
and is not essential for using the board.

Changes in v2:
Fixed formatting and style issues found by scripts/checkpatch.pl.

 arch/arm/boot/dts/Makefile             |   3 +-
 arch/arm/boot/dts/sun9i-a80-cx-a99.dts | 259 +++++++++++++++++++++++++++++++++
 2 files changed, 261 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6b3bdb6..8b77a53 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -796,7 +796,8 @@ dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-r16-parrot.dtb
 dtb-$(CONFIG_MACH_SUN9I) += \
 	sun9i-a80-optimus.dtb \
-	sun9i-a80-cubieboard4.dtb
+	sun9i-a80-cubieboard4.dtb \
+	sun9i-a80-cx-a99.dtb
 dtb-$(CONFIG_ARCH_TANGO) += \
 	tango4-vantage-1172.dtb
 dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += \
diff --git a/arch/arm/boot/dts/sun9i-a80-cx-a99.dts b/arch/arm/boot/dts/sun9i-a80-cx-a99.dts
new file mode 100644
index 0000000..a60934b
--- /dev/null
+++ b/arch/arm/boot/dts/sun9i-a80-cx-a99.dts
@@ -0,0 +1,259 @@
+/*
+ * sun9i-a80-cx-a99.dts - Device Tree file for the Sunchip CX-A99 board.
+ *
+ * Copyright (C) 2016 Rask Ingemann Lamberten <ccc94453@vip.cybercity.dk>
+ *
+ * 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.
+ */
+
+/* The Sunchip CX-A99 board is found in several similar Android TV box
+ * products, such as:
+ *
+ * Instabox Fantasy A8 (no external antenna)
+ * Jesurun CS-Q8 (ships with larger remote control)
+ * Jesurun Maxone
+ * Rikomagic (RKM) MK80/MK80LE
+ * Tronsmart Draco AW80 Meta/Telos
+ *
+ * See <URL:https://linux-sunxi.org/Sunchip_cx_a99> for more information.
+ */
+
+/dts-v1/;
+#include "sun9i-a80.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+	model = "Sunchip CX-A99";
+	compatible = "sunchip,cx-a99", "allwinner,sun9i-a80";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&led_pins_cx_a99>;
+
+		blue {
+			gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>;	/* PG10 */
+			label = "cx-a99:blue:normal";
+			default-state = "on";
+		};
+
+		red {
+			gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>;	/* PG11 */
+			label = "cx-a99:red:standby";
+		};
+	};
+
+	/* Power supply for the four Cortex-A15 cores. */
+	reg_vdd_cpub: oz80120 {
+		compatible = "regulator-gpio";
+		regulator-name = "vdd-cpub";
+
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-type = "voltage";
+		regulator-min-microvolt = < 800000>;
+		regulator-max-microvolt = <1100000>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&vdd_cpub_r_pins_cx_a99>;
+		enable-gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>;	/* PL2 */
+		enable-active-high;
+		gpios = <&r_pio 0 3 GPIO_ACTIVE_HIGH>,		/* PL3 */
+			<&r_pio 0 4 GPIO_ACTIVE_HIGH>,		/* PL4 */
+			<&r_pio 0 5 GPIO_ACTIVE_HIGH>;		/* PL5 */
+		/* There appears to be an external pull-up on PL3. */
+		gpios-states = <1 0 0>;
+		states = <	 750000 0x7
+				 800000 0x3
+				 850000 0x5
+				 900000 0x1
+				 950000 0x6
+				1000000 0x2
+				1100000 0x4
+				1200000 0x0>;
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci2 {
+	status = "okay";
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_cx_a99>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	cd-gpios = <&pio 7 17 GPIO_ACTIVE_LOW>; /* PH17 */
+	status = "okay";
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_8bit_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&osc32k {
+	clocks = <&ac100_rtc 0>;
+};
+
+&pio {
+	led_pins_cx_a99: led-pins {
+		allwinner,pins = "PG10", "PG11";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	mmc0_cd_pin_cx_a99: mmc0_cd {
+		allwinner,pins = "PH17";
+		allwinner,function = "gpio_in";
+		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+	};
+};
+
+/* Each GPIO controls VBUS for a port on the GL850G hub connected to ehci0;
+ * PL7 for port 1, the USB connector closest to the 12 V power connector, and
+ * PL8 for port 2, the USB connector next to the (micro)SD card slot.
+ * Note: The regulators are not chained like this in reality, but
+ * regulator-fixed doesn't support a gpio list, and allwinner,sun9i-a80-usb-phy
+ * doesn't support more than one supply, so this will have to do (for now).
+ */
+&reg_usb1_vbus {
+	pinctrl-0 = <&usb1_vbus_r_pin_cx_a99>;
+	gpio = <&r_pio 0 7 GPIO_ACTIVE_HIGH>;	/* PL7 */
+	status = "okay";
+};
+
+&reg_usb2_vbus {
+	pinctrl-0 = <&usb2_vbus_r_pin_cx_a99>;
+	gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>;	/* PL8 */
+	vin-supply = <&reg_usb1_vbus>;
+	status = "okay";
+};
+
+&r_ir {
+	status = "okay";
+};
+
+&r_pio {
+	usb1_vbus_r_pin_cx_a99: usb0_vbus_pin {
+		allwinner,pins = "PL7";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	usb2_vbus_r_pin_cx_a99: usb1_vbus_pin {
+		allwinner,pins = "PL8";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	vdd_cpub_r_pins_cx_a99: regulator_r_pins {
+		allwinner,pins = "PL2", "PL3", "PL4", "PL5";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+};
+
+&r_rsb {
+	status = "okay";
+
+	ac100: codec@e89 {
+		compatible = "x-powers,ac100";
+		reg = <0xe89>;
+
+		ac100_codec: codec {
+			compatible = "x-powers,ac100-codec";
+			interrupt-parent = <&r_pio>;
+			interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>;	/* PL9 */
+			#clock-cells = <0>;
+			clock-output-names = "4M_adda";
+		};
+
+		ac100_rtc: rtc {
+			compatible = "x-powers,ac100-rtc";
+			interrupt-parent = <&nmi_intc>;
+			interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&ac100_codec>;
+			#clock-cells = <1>;
+			clock-output-names = "cko1_rtc", "cko2_rtc", "cko3_rtc";
+		};
+	};
+};
+
+/* 5-pin connector opposite of the SD card slot:
+ * 1 = GND (pointed to by small triangle), 2 = GND, 3 = 3.3 V, 4 = RX, 5 = TX.
+ */
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+/* The port has two V_bus supplies. See workaround at reg_usb1_vbus. */
+&usbphy1 {
+	phy-supply = <&reg_usb2_vbus>;
+	status = "okay";
+};
+
+&usbphy3 {
+	status = "okay";
+};
-- 
2.8.1

Re: [PATCH v2 1/2] devicetree: Add vendor prefix for Shenzhen Sunchip Technology Co., Ltd

[Rob Herring]

On Thu, Aug 11, 2016 at 10:11:51PM +0200, Rask Ingemann Lambertsen wrote:
> Shenzhen Sunchip Technology Co., Ltd produces TV boxes and TV dongles,
> some of which are sold under other brands. Website:
> <URL:http://www.sunchip-tech.com/>
> 
> Signed-off-by: Rask Ingemann Lambertsen <ccc94453-1EA3ORoCGBhoJ7GROcy7lA@public.gmane.org>
> ---
> Changes in v2:
> No patch changes, but added CC to the ARM kernel mailing list.
> 
>  Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 1992aa9..fbad2cea 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -256,6 +256,7 @@ ste	ST-Ericsson
>  stericsson	ST-Ericsson
>  syna	Synaptics Inc.
>  synology	Synology, Inc.
> +sunchip	Shenzhen Sunchip Technology Co., Ltd
>  SUNW	Sun Microsystems, Inc

These are not in alphabetical order. Maybe someone thought uppercase 
should be separate, but I don't. So please fix the ordering here moving 
SUNW before syna.

Rob
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Re: [PATCH v2 1/2] devicetree: Add vendor prefix for Shenzhen Sunchip Technology Co., Ltd

[Rask Ingemann Lambertsen]

On Tue, Aug 16, 2016 at 07:56:24AM -0500, Rob Herring wrote:
> On Thu, Aug 11, 2016 at 10:11:51PM +0200, Rask Ingemann Lambertsen wrote:
> > 
> > diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> > index 1992aa9..fbad2cea 100644
> > --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> > +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> > @@ -256,6 +256,7 @@ ste	ST-Ericsson
> >  stericsson	ST-Ericsson
> >  syna	Synaptics Inc.
> >  synology	Synology, Inc.
> > +sunchip	Shenzhen Sunchip Technology Co., Ltd
> >  SUNW	Sun Microsystems, Inc
> 
> These are not in alphabetical order. Maybe someone thought uppercase 
> should be separate, but I don't. So please fix the ordering here moving 
> SUNW before syna.

I'm new to this, so I could use a bit of guidance here. Is it OK if I
send a follow-up patch to fix the ordering or should I send a patch to
fix the ordering first, before the sunchip prefix is added?

I never considered the possibility that the list wouldn't be in
alphabetical order to begin with, so the brain power went into deciding
if uppercase should be sorted separately.

-- 
Rask Ingemann Lambertsen
Danish law requires addresses in e-mail to be logged and stored for a year

Re: [PATCH v2 1/2] devicetree: Add vendor prefix for Shenzhen Sunchip Technology Co., Ltd

[Rob Herring]

On Tue, Aug 16, 2016 at 1:28 PM, Rask Ingemann Lambertsen
<ccc94453@vip.cybercity.dk> wrote:
> On Tue, Aug 16, 2016 at 07:56:24AM -0500, Rob Herring wrote:
>> On Thu, Aug 11, 2016 at 10:11:51PM +0200, Rask Ingemann Lambertsen wrote:
>> >
>> > diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
>> > index 1992aa9..fbad2cea 100644
>> > --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
>> > +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
>> > @@ -256,6 +256,7 @@ ste     ST-Ericsson
>> >  stericsson ST-Ericsson
>> >  syna       Synaptics Inc.
>> >  synology   Synology, Inc.
>> > +sunchip    Shenzhen Sunchip Technology Co., Ltd
>> >  SUNW       Sun Microsystems, Inc
>>
>> These are not in alphabetical order. Maybe someone thought uppercase
>> should be separate, but I don't. So please fix the ordering here moving
>> SUNW before syna.
>
> I'm new to this, so I could use a bit of guidance here. Is it OK if I
> send a follow-up patch to fix the ordering or should I send a patch to
> fix the ordering first, before the sunchip prefix is added?

For this, just doing it all in one patch is fine. If you want to do 2
patches, then fix SUNW first then add sunchip.

> I never considered the possibility that the list wouldn't be in
> alphabetical order to begin with, so the brain power went into deciding
> if uppercase should be sorted separately.

Even if uppercase is sorted after lowercase, you've got it in the wrong place.

Rob

[PATCH 2/2] ARM: dts: sun9i: Initial support for the Sunchip CX-A99 board

[Rask Ingemann Lambertsen]

The Suncip CX-A99 board is found in at least four brands of TV boxes.
It features an Allwinner A80 SOC, with either 2 GiB DDR3 DRAM and
16 GB eMMC or 4 GiB DDR3 DRAM and 32 GB eMMC, as well as several support
chips for Ethernet, wireless networking, video output, SATA and power
management. For details, see the linux-sunxi page about the board
<URL:https://linux-sunxi.org/Sunchip_CX-A99>.

This patch only adds support for the SD and eMMC storage, real-time clock,
USB 2.0 ports (and by extension the SATA port), the UART port and the LEDs.
All of this relies on the bootloader to leave those parts powered up, as I'm
still working on a driver for the AXP808 PMIC.

Signed-off-by: Rask Ingemann Lambertsen <ccc94453-1EA3ORoCGBhoJ7GROcy7lA@public.gmane.org>
---

Although the vendor U-Boot lets you boot the kernel on one of the Cortex-A15
cores, the kernel gpio-regulator driver currently glitches the GPIO lines
to the OZ80120 regulator such that the system crashes during startup.
This part needs further work to be useful.

The driver for the AC100 real-time clock is found in Lee Jones' MFD branch
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git ib-mfd-rtc-v4.9
and is not essential for using the board.

 arch/arm/boot/dts/Makefile             |   3 +-
 arch/arm/boot/dts/sun9i-a80-cx-a99.dts | 256 +++++++++++++++++++++++++++++++++
 2 files changed, 258 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6b3bdb6..8b77a53 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -796,7 +796,8 @@ dtb-$(CONFIG_MACH_SUN8I) += \
 	sun8i-r16-parrot.dtb
 dtb-$(CONFIG_MACH_SUN9I) += \
 	sun9i-a80-optimus.dtb \
-	sun9i-a80-cubieboard4.dtb
+	sun9i-a80-cubieboard4.dtb \
+	sun9i-a80-cx-a99.dtb
 dtb-$(CONFIG_ARCH_TANGO) += \
 	tango4-vantage-1172.dtb
 dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += \
diff --git a/arch/arm/boot/dts/sun9i-a80-cx-a99.dts b/arch/arm/boot/dts/sun9i-a80-cx-a99.dts
new file mode 100644
index 0000000..b6701cb
--- /dev/null
+++ b/arch/arm/boot/dts/sun9i-a80-cx-a99.dts
@@ -0,0 +1,256 @@
+/*
+ * sun9i-a80-cx-a99.dts - Device Tree file for the Sunchip CX-A99 board.
+ *
+ * Copyright (C) 2016 Rask Ingemann Lamberten <ccc94453-1EA3ORoCGBhoJ7GROcy7lA@public.gmane.org>
+ * 
+ * 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.
+ */
+
+/* The Sunchip CX-A99 board is found in several similar Android TV box
+ * products, such as:
+ *
+ * Instabox Fantasy A8 (no external antenna)
+ * Jesurun CS-Q8 (ships with larger remote control)
+ * Jesurun Maxone
+ * Rikomagic (RKM) MK80/MK80LE
+ * Tronsmart Draco AW80 Meta/Telos
+ *
+ * See <URL:https://linux-sunxi.org/Sunchip_cx_a99> for more information.
+ */
+
+/dts-v1/;
+#include "sun9i-a80.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+	model = "Sunchip CX-A99";
+	compatible = "sunchip,cx-a99", "allwinner,sun9i-a80";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&led_pins_cx_a99>;
+
+		blue {
+			gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>;	/* PG10 */
+			label = "cx-a99:blue:normal";
+			default-state = "on";
+		};
+
+		red {
+			gpios = <&pio 6 11 GPIO_ACTIVE_HIGH>;	/* PG11 */
+			label = "cx-a99:red:standby";
+		};
+	};
+
+	/* Power supply for the four Cortex-A15 cores. */
+	reg_vdd_cpub: oz80120 {
+		compatible = "regulator-gpio";
+		regulator-name = "vdd-cpub";
+
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-type = "voltage";
+		regulator-min-microvolt = < 800000>;
+		regulator-max-microvolt = <1100000>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&vdd_cpub_r_pins_cx_a99>;
+		enable-gpio = <&r_pio 0 2 GPIO_ACTIVE_HIGH>;	/* PL2 */
+		enable-active-high;
+		gpios = <&r_pio 0 3 GPIO_ACTIVE_HIGH>,		/* PL3 */
+			<&r_pio 0 4 GPIO_ACTIVE_HIGH>,		/* PL4 */
+			<&r_pio 0 5 GPIO_ACTIVE_HIGH>;		/* PL5 */
+		/* There appears to be an external pull-up on PL3. */
+		gpios-states = <1 0 0>;
+		states = <	 750000 0x7
+				 800000 0x3
+				 850000 0x5
+				 900000 0x1
+				 950000 0x6
+				1000000 0x2
+				1100000 0x4
+				1200000 0x0>;
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci2 {
+	status = "okay";
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_cx_a99>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	cd-gpios = <&pio 7 17 GPIO_ACTIVE_LOW>; /* PH17 */
+	status = "okay";
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_8bit_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&osc32k {
+	clocks = <&ac100_rtc 0>;
+};
+
+&pio {
+	led_pins_cx_a99: led-pins {
+		allwinner,pins = "PG10", "PG11";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	mmc0_cd_pin_cx_a99: mmc0_cd {
+		allwinner,pins = "PH17";
+		allwinner,function = "gpio_in";
+		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+	};
+};
+
+/* Each GPIO controls VBUS for a port on the GL850G hub connected to ehci0;
+   PL7 for port 1, the USB connector closest to the 12 V power connector, and
+   PL8 for port 2, the USB connector next to the (micro)SD card slot.
+   Note: The regulators are not chained like this in reality, but
+   regulator-fixed doesn't support a gpio list, and allwinner,sun9i-a80-usb-phy
+   doesn't support more than one supply, so this will have to do (for now). */
+&reg_usb1_vbus {
+	pinctrl-0 = <&usb1_vbus_r_pin_cx_a99>;
+	gpio = <&r_pio 0 7 GPIO_ACTIVE_HIGH>;	/* PL7 */
+	status = "okay";
+};
+
+&reg_usb2_vbus {
+	pinctrl-0 = <&usb2_vbus_r_pin_cx_a99>;
+	gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>;	/* PL8 */
+	vin-supply = <&reg_usb1_vbus>;
+	status = "okay";
+};
+
+&r_ir {
+	status = "okay";
+};
+
+&r_pio {
+	usb1_vbus_r_pin_cx_a99: usb0_vbus_pin {
+		allwinner,pins = "PL7";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	usb2_vbus_r_pin_cx_a99: usb1_vbus_pin {
+		allwinner,pins = "PL8";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	vdd_cpub_r_pins_cx_a99: regulator_r_pins {
+		allwinner,pins = "PL2", "PL3", "PL4", "PL5";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+};
+
+&r_rsb {
+	status = "okay";
+
+	ac100: codec@e89 {
+		compatible = "x-powers,ac100";
+		reg = <0xe89>;
+
+		ac100_codec: codec {
+			compatible = "x-powers,ac100-codec";
+			interrupt-parent = <&r_pio>;
+			interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>;	/* PL9 */
+			#clock-cells = <0>;
+			clock-output-names = "4M_adda";
+		};
+
+		ac100_rtc: rtc {
+			compatible = "x-powers,ac100-rtc";
+			interrupt-parent = <&nmi_intc>;
+			interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&ac100_codec>;
+			#clock-cells = <1>;
+			clock-output-names = "cko1_rtc", "cko2_rtc", "cko3_rtc";
+		};
+	};
+};
+
+/* 5-pin connector: 1 = GND (small triangle), 2 = GND, 3 = 3.3 V, 4 = RX, 5 = TX. */
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+/* The port has two V_bus supplies. See workaround at reg_usb1_vbus. */
+&usbphy1 {
+	phy-supply = <&reg_usb2_vbus>;
+	status = "okay";
+};
+
+&usbphy3 {
+	status = "okay";
+};
-- 
2.8.1


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