[U-Boot] [PATCH RFC] arm64: allwinner: a64: Add Brava Keller initial support

[Maxime Ripard]

On Fri, Dec 01, 2017 at 12:14:41AM +0530, Jagan Teki wrote:
> Brava Keller is A64 based IoT device, which support
> - Allwinner A64 Cortex-A53
> - AXP803 PMIC
> - 1GB DDR3 RAM
> - 8GB eMMC
> - Mali-400MP2 GPU
> - AP6330 Wifi/BLE
> - Camera OV5640
> - USB Host and OTG
> 
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> ---
> Note: Need to test it on hardware

Obviously this will need to be tested before being merged.

>  arch/arm/dts/Makefile                    |   1 +
>  arch/arm/dts/sun50i-a64-brava-keller.dts | 107 +++++++++++++++++++++++++++++++
>  board/sunxi/MAINTAINERS                  |   5 ++
>  configs/brava_keller_defconfig           |  13 ++++
>  4 files changed, 126 insertions(+)
>  create mode 100644 arch/arm/dts/sun50i-a64-brava-keller.dts
>  create mode 100644 configs/brava_keller_defconfig
> 
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index cd540e9..b89e75a 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -342,6 +342,7 @@ dtb-$(CONFIG_MACH_SUN50I_H5) += \
>  	sun50i-h5-orangepi-zero-plus2.dtb
>  dtb-$(CONFIG_MACH_SUN50I) += \
>  	sun50i-a64-bananapi-m64.dtb \
> +	sun50i-a64-brava-keller.dtb \
>  	sun50i-a64-nanopi-a64.dtb \
>  	sun50i-a64-olinuxino.dtb \
>  	sun50i-a64-orangepi-win.dtb \
> diff --git a/arch/arm/dts/sun50i-a64-brava-keller.dts b/arch/arm/dts/sun50i-a64-brava-keller.dts
> new file mode 100644
> index 0000000..094eee0
> --- /dev/null
> +++ b/arch/arm/dts/sun50i-a64-brava-keller.dts
> @@ -0,0 +1,107 @@
> +/*
> + * Copyright (C) 2017 Jagan Teki <jagan at amarulasolutions.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 library 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 library 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 "sun50i-a64.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/ {
> +	model = "Brava Keller";
> +	compatible = "brava,brava-keller", "allwinner,sun50i-a64";
> +
> +	aliases {
> +		serial2 = &uart2;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	reg_vcc3v3: vcc3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc3v3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +	};
> +};
> +
> +&ehci0 {
> +	status = "okay";
> +};
> +
> +&ehci1 {
> +	status = "okay";
> +};
> +
> +&mmc2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc2_pins>;
> +	vmmc-supply = <&reg_vcc3v3>;
> +	bus-width = <8>;
> +	non-removable;
> +	cap-mmc-hw-reset;
> +	status = "okay";
> +};
> +
> +&ohci0 {
> +	status = "okay";
> +};
> +
> +&ohci1 {
> +	status = "okay";
> +};
> +
> +&uart2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart2_pins>;
> +	status = "okay";
> +};

That doesn't really make much sense. You have a single uart, and the
fact that you used stdout-path seems to indicate that it's your
console. However, you're using ttyS0 in stdout-path, and yet an alias
that would call it ttyS2...

Maxime

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