linux-kernel - Re: [PATCH 2/2] ARM: dts: Add cros_ec to exynos5420-peach-pit and exynos5800-peach-pi

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Date:	Tue, 17 Jun 2014 18:37:04 +0200
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Doug Anderson <dianders@...omium.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Kukjin Kim <kgene.kim@...sung.com>
CC:	Tomasz Figa <tomasz.figa@...il.com>, broonie@...nel.org,
	sjg@...omium.org, olof@...om.net, ch.naveen@...sung.com,
	swarren@...dotorg.org, khilman@...aro.org, ajaynumb@...il.com,
	rahul.sharma@...sung.com, tushar.b@...sung.com,
	linux-samsung-soc@...r.kernel.org, ben-linux@...ff.org,
	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	linux@....linux.org.uk, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: Add cros_ec to exynos5420-peach-pit and
 exynos5800-peach-pi

On 06/13/2014 08:13 PM, Doug Anderson wrote:
> This adds cros_ec to exynos5420-peach-pit and exynos5800-peach-pi,
> including:
> * The keyboard
> * The i2c tunnel
> * The tps65090 under the i2c tunnel
> * The battery under the i2c tunnel
> 
> To add extra motivation, it should be noted that tps65090 is one of
> the things needed to get display-related FETs turned on for pit and
> pi.
> 
> Note that this relies on a few outstanding changes:
> * Needs "cros-ec-keyboard.dtsi" in order to compile properly.  See
>   (ARM: dts: Create a cros-ec-keyboard fragment) at
>   <https://patchwork.kernel.org/patch/4297451/>.
> * Needs (mfd: cros_ec: spi: Fix end of transfer on devices with no
>   spi-msg-delay) from this series to work properly.
> * Needs (spi: s3c64xx: fix broken "cs_gpios" usage in the driver) and
>   (spi: s3c64xx: for DT platofrms always get the chipselect info from
>   DT node) to work properly and match the documented bindings.  See
>   <https://patchwork.kernel.org/patch/4346701/> and
>   <https://patchwork.kernel.org/patch/4346711/>
> 
> Signed-off-by: Doug Anderson <dianders@...omium.org>
> ---
>  arch/arm/boot/dts/exynos5420-peach-pit.dts | 146 +++++++++++++++++++++++++++++
>  arch/arm/boot/dts/exynos5800-peach-pi.dts  | 146 +++++++++++++++++++++++++++++
>  2 files changed, 292 insertions(+)
> 

After applying all the dependencies and this patch, I see that cros-ec-spi
driver is probed and also the keyboard is working on my Peach pit when testing
with: $ evtest /dev/input/event0

Tested-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>

Best regards,
Javier
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