From: Sean Wang <sean.wang@mediatek.com>
To: Rob Herring <robh@kernel.org>
Cc: <mark.rutland@arm.com>, <sre@kernel.org>, <lee.jones@linaro.org>,
<a.zummo@towertech.it>, <alexandre.belloni@free-electrons.com>,
<eddie.huang@mediatek.com>, <devicetree@vger.kernel.org>,
<linux-rtc@vger.kernel.org>, <linux-pm@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 01/16] dt-bindings: power: reset: mediatek: add bindings for power device
Date: Tue, 27 Mar 2018 11:21:46 +0800 [thread overview]
Message-ID: <1522120906.18424.21.camel@mtkswgap22> (raw)
In-Reply-To: <20180326222455.6kou2rdn76k6p6ct@rob-hp-laptop>
On Mon, 2018-03-26 at 17:24 -0500, Rob Herring wrote:
> On Fri, Mar 23, 2018 at 05:14:58PM +0800, sean.wang@mediatek.com wrote:
> > From: Sean Wang <sean.wang@mediatek.com>
> >
> > Add device-tree binding for the power device responsible for shutdown a
> > remote SoC, which is a tiny circuit block present on MediaTek PMIC based
> > RTC.
> >
> > Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> > ---
> > .../bindings/power/reset/mt6397-rtc-poweroff.txt | 24 ++++++++++++++++++++++
> > 1 file changed, 24 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/power/reset/mt6397-rtc-poweroff.txt
> >
> > diff --git a/Documentation/devicetree/bindings/power/reset/mt6397-rtc-poweroff.txt b/Documentation/devicetree/bindings/power/reset/mt6397-rtc-poweroff.txt
> > new file mode 100644
> > index 0000000..75a9d7d
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/power/reset/mt6397-rtc-poweroff.txt
> > @@ -0,0 +1,24 @@
> > +Device-Tree bindings for Power Device on MediaTek PMIC RTC
> > +
> > +The power device is responsible for externally power off or on the remote
> > +MediaTek SoC through the a tiny circuit block BBPU inside PMIC RTC.
> > +
> > +Required parent node:
> > +- rtc
> > + For MediaTek PMIC RTC bindings, see:
> > + Documentation/devicetree/bindings/mfd/mt6397.txt
> > +
> > +Required properties:
> > +- compatible: Should be one of follows
> > + "mediatek,mt6323-rtc-poweroff": for MT6323 PMIC
> > + "mediatek,mt6397-rtc-poweroff": for MT6397 PMIC
> > +
> > +Example:
> > +
> > + rtc {
> > + compatible = "mediatek,mt6323-rtc";
> > +
> > + power-off {
> > + compatible = "mediatek,mt6323-rtc-poweroff";
> > + };
>
> There's no need for this node. The OS can register a device in the rtc
> driver.
>
It seems a good way.
I will remove the really simple dt-binding and use a
platform_device_register_simple api embedded in rtc driver to
register the power-off device.
Hope I do not misconception your points addressed here.
> > + };
> > --
> > 2.7.4
> >
next prev parent reply other threads:[~2018-03-27 3:21 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-23 9:14 [PATCH v1 00/16] Add support to MT6323 RTC and its power device sean.wang
2018-03-23 9:14 ` [PATCH v1 01/16] dt-bindings: power: reset: mediatek: add bindings for " sean.wang
2018-03-26 22:24 ` Rob Herring
2018-03-27 3:21 ` Sean Wang [this message]
2018-03-23 9:14 ` [PATCH v1 02/16] dt-bindings: rtc: mediatek: add bindings for PMIC RTC sean.wang
2018-03-23 9:41 ` Alexandre Belloni
2018-03-23 10:15 ` Alexandre Belloni
2018-03-24 19:36 ` Sean Wang
2018-03-27 15:18 ` Alexandre Belloni
2018-03-28 3:53 ` Sean Wang
2018-03-28 9:19 ` Alexandre Belloni
2018-03-23 9:15 ` [PATCH v1 03/16] dt-bindings: mfd: mediatek: add a description for MT6323 RTC sean.wang
2018-03-26 22:24 ` Rob Herring
2018-03-28 11:13 ` Lee Jones
2018-03-23 9:15 ` [PATCH v1 04/16] mfd: mt6397: add MT6323 RTC support into MT6397 driver sean.wang
2018-03-28 11:15 ` Lee Jones
2018-03-23 9:15 ` [PATCH v1 05/16] rtc: mediatek: add MT6323 support to RTC driver sean.wang
2018-03-23 10:01 ` Alexandre Belloni
2018-03-24 7:06 ` Sean Wang
2018-03-23 9:15 ` [PATCH v1 06/16] rtc: mediatek: remove unnecessary parentheses sean.wang
2018-03-23 10:21 ` Alexandre Belloni
2018-03-24 7:14 ` Sean Wang
2018-03-24 18:53 ` Alexandre Belloni
2018-03-24 19:21 ` Sean Wang
2018-03-23 9:15 ` [PATCH v1 07/16] rtc: mediatek: replace a poll with regmap_read_poll_timeout sean.wang
2018-03-23 9:15 ` [PATCH v1 08/16] rtc: mediatek: remove unnecessary irq_dispose_mapping sean.wang
2018-03-23 10:38 ` Alexandre Belloni
2018-03-26 2:22 ` Sean Wang
2018-03-23 9:15 ` [PATCH v1 09/16] rtc: mediatek: convert to use device managed functions sean.wang
2018-03-23 10:50 ` Alexandre Belloni
2018-03-26 4:07 ` Sean Wang
2018-03-27 15:07 ` Alexandre Belloni
2018-03-23 9:15 ` [PATCH v1 10/16] rtc: mediatek: add devm_of_platform_populate sean.wang
2018-03-23 9:15 ` [PATCH v1 11/16] rtc: mediatek: move the declaration into a globally visible header file sean.wang
2018-03-23 9:57 ` Alexandre Belloni
2018-03-24 7:31 ` Sean Wang
2018-03-24 18:54 ` Alexandre Belloni
2018-03-24 20:00 ` Fabio Estevam
2018-03-25 3:13 ` Sean Wang
2018-03-23 9:15 ` [PATCH v1 12/16] rtc: mediatek: cleanup header files to include sean.wang
2018-03-25 4:17 ` kbuild test robot
2018-03-25 5:21 ` kbuild test robot
2018-03-23 9:15 ` [PATCH v1 13/16] rtc: mediatek: update license converting to using SPDX identifiers sean.wang
2018-03-23 9:15 ` [PATCH v1 14/16] power: reset: mediatek: add a power-off driver using PMIC RTC device sean.wang
2018-03-23 9:15 ` [PATCH v1 15/16] MAINTAINERS: update entry for ARM/Mediatek RTC DRIVER sean.wang
2018-03-23 9:15 ` [PATCH v1 16/16] MAINTAINERS: add an entry for MediaTek board level shutdown driver sean.wang
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