linux-kernel - Re: [PATCH RFC V1 3/3] devicetree: da9062: Add device tree bindings for DA9062 RTC

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Date:	Sat, 18 Jul 2015 01:47:37 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	S Twiss <stwiss.opensource@...semi.com>
Cc:	DEVICETREE <devicetree@...r.kernel.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	LINUXINPUT <linux-input@...r.kernel.org>,
	LINUXKERNEL <linux-kernel@...r.kernel.org>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	RTCLINUX <rtc-linux@...glegroups.com>,
	Rob Herring <robh+dt@...nel.org>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	David Dajun Chen <david.chen@...semi.com>,
	Lee Jones <lee.jones@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Support Opensource <support.opensource@...semi.com>
Subject: Re: [PATCH RFC V1 3/3] devicetree: da9062: Add device tree bindings
 for DA9062 RTC

On 09/07/2015 at 08:45:54 +0100, S Twiss wrote :
> From: S Twiss <stwiss.opensource@...semi.com>
> 
> Add device tree bindings for the DA9062 RTC driver component
> 
> Signed-off-by: Steve Twiss <stwiss.opensource@...semi.com>
> 
> ---
> Checks performed with linux-next/next-20150708/scripts/checkpatch.pl
>  da9062.txt                total: 0 errors, 0 warnings, 88 lines checked
> This patch applies against linux-next and next-20150708 
> 
> 
>  Documentation/devicetree/bindings/mfd/da9062.txt | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/da9062.txt b/Documentation/devicetree/bindings/mfd/da9062.txt
> index 5765ed9..38802b5 100644
> --- a/Documentation/devicetree/bindings/mfd/da9062.txt
> +++ b/Documentation/devicetree/bindings/mfd/da9062.txt
> @@ -5,6 +5,7 @@ DA9062 consists of a large and varied group of sub-devices:
>  Device                   Supply Names    Description
>  ------                   ------------    -----------
>  da9062-regulator        :               : LDOs & BUCKs
> +da9062-rtc              :               : Real-Time Clock
>  da9062-watchdog         :               : Watchdog Timer
>  
>  ======
> @@ -41,6 +42,10 @@ Sub-nodes:
>    Documentation/devicetree/bindings/regulator/regulator.txt
>  
>  
> +- rtc : This node defines settings required for the Real-Time Clock associated
> +  with the DA9062. There are currently no entries in this binding, however
> +  compatible = "dlg,da9062-rtc" should be added if a node is created.
> +
>  - watchdog: This node defines the settings for the watchdog driver associated
>    with the DA9062 PMIC. The compatible = "dlg,da9062-watchdog" should be added
>    if a node is created.
> @@ -55,6 +60,10 @@ Example:
>  		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
>  		interrupt-controller;
>  
> +		rtc {
> +			compatible = "dlg,da9062-rtc";
> +		};
> +

Are those subnodes even parsed? As the parent node is not compatible
with "simple-bus" or "simple-mfd", I guess not. You driver is probed
from the mfd_cells in da9063-core.c

>  		watchdog {
>  			compatible = "dlg,da9062-watchdog";
>  		};
> -- 
> end-of-patch for PATCH RFC V1
> 

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