Date:   Tue, 8 Nov 2016 16:17:00 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Steve Twiss <stwiss.opensource@...semi.com>
Cc:     DEVICETREE <devicetree@...r.kernel.org>,
        LINUX-INPUT <linux-input@...r.kernel.org>,
        LINUX-KERNEL <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Eduardo Valentin <edubezval@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        LINUX-PM <linux-pm@...r.kernel.org>,
        LINUX-WATCHDOG <linux-watchdog@...r.kernel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Support Opensource <support.opensource@...semi.com>,
        Wim Van Sebroeck <wim@...ana.be>,
        Zhang Rui <rui.zhang@...el.com>
Subject: Re: [PATCH V3 1/9] Documentation: devicetree: input: additions for
 da9061 onkey driver

On Mon, Oct 31, 2016 at 04:02:02PM +0000, Steve Twiss wrote:
> From: Steve Twiss <stwiss.opensource@...semi.com>
> 
> Add binding information for DA9061 onkey.
> 
> This patch updates the compatible string "dlg,da9061-onkey" to support
> DA9061, removes the reference to KEY_SLEEP (which the driver no longer
> supports) and fixes a typo in the example for DA9063.
> 
> Supporting KEY_SLEEP was not the general convention and the typical
> solution should have been for KEY_POWER to support both cases of suspend
> and S/W power off. This change was sent to the DA9063 ONKEY device
> driver in a separate patch, but the documentation was not updated at
> that time.
> - f889bea Report KEY_POWER instead of KEY_SLEEP during power key-press
> 
> This patch also adds two new examples, one for DA9062 and one for DA9061.
> The DA9061 examples uses a fall-back compatible string for the DA9062
> onkey driver.
> 
> Signed-off-by: Steve Twiss <stwiss.opensource@...semi.com>

Applied, thank you.

> 
> ---
> This patch applies against linux-next and v4.8
> 
> v2 -> v3
>  - Patch renamed from [PATCH V2 01/10] to [PATCH V3 1/9]
>  - Each compatible line should be a valid combination of compatible
>    strings, alter DA9061 line to include the fall back compatible string
>  - Update the commit message to include KEY_SLEEP removal explanation and
>    a link back to the original device driver commit. This will allow full
>    traceability back to the original patch change
>  - Link in information about associated patches from this set without
>    describing them as being explicitly dependent on this binding
> 
> v1 -> v2
>  - Patch renamed from [PATCH V1 06/10] to [PATCH V2 01/10] -- these
>    changes were made to fix checkpatch warnings caused by the patch
>    set dependency order
>  - Typo s/ther/the/ in commit message
>  - Explanation about why KEY_SLEEP was removed (see below)
>  - Addition of DA9062 example
>  - Addition of a DA9061 example to follow the driver fall-back compatible
>    convention being applied for this device driver
> 
> Hi,
> 
> There is also new binding examples for DA9062 and DA9061. Importantly,
> the Linux device driver changes for DA9061 were rejected because the
> DA9062 device driver can be reused. For this reason, the DA9061 example
> uses a fall-back compatible string.
> 
> Other information:
> The device driver from this patch set (associated with this binding) was
> applied by Dmitry Torokhov on 26-Oct-2016. See:
>  - [PATCH V2 07/10] Input: da9061: onkey driver.
>  - https://lkml.org/lkml/2016/10/26/1169
> 
> Regards,
> Steve Twiss, Dialog Semiconductor Ltd.
> 
> 
>  .../devicetree/bindings/input/da9062-onkey.txt     | 45 ++++++++++++++--------
>  1 file changed, 30 insertions(+), 15 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/input/da9062-onkey.txt b/Documentation/devicetree/bindings/input/da9062-onkey.txt
> index ab0e048..5f9fbc6 100644
> --- a/Documentation/devicetree/bindings/input/da9062-onkey.txt
> +++ b/Documentation/devicetree/bindings/input/da9062-onkey.txt
> @@ -1,32 +1,47 @@
> -* Dialog DA9062/63 OnKey Module
> +* Dialog DA9061/62/63 OnKey Module
>  
> -This module is part of the DA9062/DA9063. For more details about entire
> -chips see Documentation/devicetree/bindings/mfd/da9062.txt and
> -Documentation/devicetree/bindings/mfd/da9063.txt
> +This module is part of the DA9061/DA9062/DA9063. For more details about entire
> +DA9062 and DA9061 chips see Documentation/devicetree/bindings/mfd/da9062.txt
> +For DA9063 see Documentation/devicetree/bindings/mfd/da9063.txt
>  
> -This module provides KEY_POWER, KEY_SLEEP and events.
> +This module provides the KEY_POWER event.
>  
>  Required properties:
>  
> -- compatible: should be one of:
> -	dlg,da9062-onkey
> -	dlg,da9063-onkey
> +- compatible: should be one of the following valid compatible string lines:
> +	"dlg,da9061-onkey", "dlg,da9062-onkey"
> +	"dlg,da9062-onkey"
> +	"dlg,da9063-onkey"
>  
>  Optional properties:
>  
> -  - dlg,disable-key-power : Disable power-down using a long key-press. If this
> +- dlg,disable-key-power : Disable power-down using a long key-press. If this
>      entry exists the OnKey driver will remove support for the KEY_POWER key
> -    press. If this entry does not exist then by default the key-press
> -    triggered power down is enabled and the OnKey will support both KEY_POWER
> -    and KEY_SLEEP.
> +    press when triggered using a long press of the OnKey.
>  
> -Example:
> -
> -	pmic0: da9062@58 {
> +Example: DA9063
>  
> +	pmic0: da9063@58 {
>  		onkey {
>  			compatible = "dlg,da9063-onkey";
>  			dlg,disable-key-power;
>  		};
> +	};
> +
> +Example: DA9062
> +
> +	pmic0: da9062@58 {
> +		onkey {
> +			compatible = "dlg,da9062-onkey";
> +			dlg,disable-key-power;
> +		};
> +	};
> +
> +Example: DA9061 using a fall-back compatible for the DA9062 onkey driver
>  
> +	pmic0: da9061@58 {
> +		onkey {
> +			compatible = "dlg,da9061-onkey", "dlg,da9062-onkey";
> +			dlg,disable-key-power;
> +		};
>  	};
> -- 
> end-of-patch for PATCH V3
> 

-- 
Dmitry

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