Re: [PATCH 6/6] ARM: dts: sun8i: Add ET-Q8 A33 support

From: Maxime Ripard
Date: Sun May 10 2015 - 06:50:12 EST


On Sun, May 10, 2015 at 12:16:23PM +0530, Vishnu Patekar wrote:
> ET-Q8_A33 is A33 based cheap tablet in common Q8 format.
>
> It has 512MB RAM, 4GB Nand, 7" Display, RDA5900P wifi, GSL1680 touch, etc.
>
> Signed-off-by: VishnuPatekar <vishnupatekar0510@xxxxxxxxx>
> ---
> arch/arm/boot/dts/Makefile | 3 +-
> arch/arm/boot/dts/sun8i-a33-et-q8.dts | 108 ++++++++++++++++++++++++++++++++++
> 2 files changed, 110 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/boot/dts/sun8i-a33-et-q8.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 82f4b9b..d44b1d6 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -570,7 +570,8 @@ dtb-$(CONFIG_MACH_SUN7I) += \
> sun7i-a20-wexler-tab7200.dtb
> dtb-$(CONFIG_MACH_SUN8I) += \
> sun8i-a23-ippo-q8h-v5.dtb \
> - sun8i-a23-ippo-q8h-v1.2.dtb
> + sun8i-a23-ippo-q8h-v1.2.dtb \
> + sun8i-a33-et-q8.dtb
> dtb-$(CONFIG_MACH_SUN9I) += \
> sun9i-a80-optimus.dtb \
> sun9i-a80-cubieboard4.dtb
> diff --git a/arch/arm/boot/dts/sun8i-a33-et-q8.dts b/arch/arm/boot/dts/sun8i-a33-et-q8.dts
> new file mode 100644
> index 0000000..260d5a3
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-a33-et-q8.dts
> @@ -0,0 +1,108 @@
> +/*
> + * Copyright 2015 Vishnu Patekar
> + * Vishnu Patekar <vishnupatekar0510@xxxxxxxxx>
> + *
> + * 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 "sun8i-a33.dtsi"
> +#include "sunxi-common-regulators.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/pinctrl/sun4i-a10.h>
> +
> +/ {
> + model = "ET Q8 A33 ";

There's one trailing space here.

> + compatible = "et-q8-q33", "allwinner,sun8i", "allwinner,sun8i-a33";

All compatibles must be under the vendor,IP format.

What is the maker of your board? That should also be in the DT name,
under the format sun8i-a33-vendor-board.dts

> +
> + aliases {
> + serial0 = &uart0;
> + };
> +
> + chosen {
> + bootargs = "earlyprintk console=ttyS0,115200";
> + };

Please use stdout-path here, just like we're doing on the other
boards.

> +};
> +
> +&lradc {
> + vref-supply = <&reg_vcc3v0>;
> + status = "okay";
> +
> + button@200 {
> + label = "Volume Up";
> + linux,code = <KEY_VOLUMEUP>;
> + channel = <0>;
> + voltage = <200000>;
> + };
> +
> + button@400 {
> + label = "Volume Down";
> + linux,code = <KEY_VOLUMEDOWN>;
> + channel = <0>;
> + voltage = <400000>;
> + };
> +};
> +
> +&i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c0_pins_a>;
> + status = "okay";
> +};
> +
> +&i2c1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c1_pins_a>;
> + status = "okay";
> +};
> +
> +&i2c2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2c2_pins_a>;
> + /* pull-ups and devices require PMIC regulator */
> + status = "failed";
> +};

Is this still true, or is it just a copy/paste mistake?

Thanks,
Maxime

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

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