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Date:   Thu, 4 Jul 2019 20:54:48 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Frank Wunderlich <frank-w@...lic-files.de>
Cc:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Sebastian Reichel <sre@...nel.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-rtc@...r.kernel.org,
        Eddie Huang <eddie.huang@...iatek.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Richard Fontana <rfontana@...hat.com>,
        Allison Randal <allison@...utok.net>,
        "David S . Miller" <davem@...emloft.net>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        "Paul E . McKenney" <paulmck@...ux.ibm.com>,
        Josef Friedl <josef.friedl@...ed.at>
Subject: Re: [PATCH v2 1/7] docs: dt-bindings: add poweroff

Please use a better subject line.

On 03/07/2019 18:48:16+0200, Frank Wunderlich wrote:
> From: Josef Friedl <josef.friedl@...ed.at>
> 
> add documentation for pmic, rtc and power/reset devicetree bindings
> 
> Suggested-by: Frank Wunderlich <frank-w@...lic-files.de>
> Signed-off-by: Josef Friedl <josef.friedl@...ed.at>
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
> ---
>  .../devicetree/bindings/mfd/mt6397.txt        | 10 ++++++-
>  .../bindings/power/reset/mt6323-poweroff.txt  | 20 +++++++++++++
>  .../devicetree/bindings/rtc/rtc-mt6397.txt    | 29 +++++++++++++++++++

This file is unrelated to the patch, it should be separated.

>  3 files changed, 58 insertions(+), 1 deletion(-)
>  create mode 100644 Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
>  create mode 100644 Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
> 
> diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
> index 0ebd08af777d..44acb9827716 100644
> --- a/Documentation/devicetree/bindings/mfd/mt6397.txt
> +++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
> @@ -8,6 +8,7 @@ MT6397/MT6323 is a multifunction device with the following sub modules:
>  - Clock
>  - LED
>  - Keys
> +- Power controller
> 
>  It is interfaced to host controller using SPI interface by a proprietary hardware
>  called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap.
> @@ -22,8 +23,10 @@ compatible: "mediatek,mt6397" or "mediatek,mt6323"
>  Optional subnodes:
> 
>  - rtc
> -	Required properties:
> +	Required properties: Should be one of follows
> +		- compatible: "mediatek,mt6323-rtc"
>  		- compatible: "mediatek,mt6397-rtc"
> +	For details, see Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
>  - regulators
>  	Required properties:
>  		- compatible: "mediatek,mt6397-regulator"
> @@ -46,6 +49,11 @@ Optional subnodes:
>  		- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
>  	see Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
> 
> +- power-controller
> +	Required properties:
> +		- compatible: "mediatek,mt6323-pwrc"
> +	For details, see Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
> +
>  Example:
>  	pwrap: pwrap@...0f000 {
>  		compatible = "mediatek,mt8135-pwrap";
> diff --git a/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt b/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
> new file mode 100644
> index 000000000000..933f0c48e887
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
> @@ -0,0 +1,20 @@
> +Device Tree Bindings for Power Controller on MediaTek PMIC
> +
> +The power controller which could be found on PMIC is responsible for externally
> +powering off or on the remote MediaTek SoC through the circuit BBPU.
> +
> +Required properties:
> +- compatible: Should be one of follows
> +       "mediatek,mt6323-pwrc": for MT6323 PMIC
> +
> +Example:
> +
> +       pmic {
> +               compatible = "mediatek,mt6323";
> +
> +               ...
> +
> +               power-controller {
> +                       compatible = "mediatek,mt6323-pwrc";
> +               };
> +       }
> diff --git a/Documentation/devicetree/bindings/rtc/rtc-mt6397.txt b/Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
> new file mode 100644
> index 000000000000..ebd1cf80dcc8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
> @@ -0,0 +1,29 @@
> +Device-Tree bindings for MediaTek PMIC based RTC
> +
> +MediaTek PMIC based RTC is an independent function of MediaTek PMIC that works
> +as a type of multi-function device (MFD). The RTC can be configured and set up
> +with PMIC wrapper bus which is a common resource shared with the other
> +functions found on the same PMIC.
> +
> +For MediaTek PMIC MFD bindings, see:
> +Documentation/devicetree/bindings/mfd/mt6397.txt
> +
> +For MediaTek PMIC wrapper bus bindings, see:
> +Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
> +
> +Required properties:
> +- compatible: Should be one of follows
> +       "mediatek,mt6323-rtc": for MT6323 PMIC
> +       "mediatek,mt6397-rtc": for MT6397 PMIC
> +
> +Example:
> +
> +       pmic {
> +               compatible = "mediatek,mt6323";
> +
> +               ...
> +
> +               rtc {
> +                       compatible = "mediatek,mt6323-rtc";
> +               };
> +       };
> --
> 2.17.1
> 

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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