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Date: Tue, 13 Aug 2019 09:25:47 -0600
From: Rob Herring <robh+dt@...nel.org>
To: Frank Wunderlich <frank-w@...lic-files.de>
Cc: Alessandro Zummo <a.zummo@...ertech.it>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Allison Randal <allison@...utok.net>,
"David S. Miller" <davem@...emloft.net>,
devicetree@...r.kernel.org, Eddie Huang <eddie.huang@...iatek.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Kate Stewart <kstewart@...uxfoundation.org>,
Lee Jones <lee.jones@...aro.org>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@...ts.infradead.org>,
"open list:THERMAL" <linux-pm@...r.kernel.org>,
"open list:REAL TIME CLOCK (RTC) SUBSYSTEM"
<linux-rtc@...r.kernel.org>, Mark Rutland <mark.rutland@....com>,
Matthias Brugger <matthias.bgg@...il.com>,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Richard Fontana <rfontana@...hat.com>,
Sean Wang <sean.wang@...iatek.com>,
Sebastian Reichel <sre@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
"Tianping . Fang" <tianping.fang@...iatek.com>,
Josef Friedl <josef.friedl@...ed.at>
Subject: Re: [PATCH v5 01/10] dt-bindings: add powercontroller
On Mon, Aug 12, 2019 at 6:24 AM Frank Wunderlich
<frank-w@...lic-files.de> wrote:
>
> From: Josef Friedl <josef.friedl@...ed.at>
>
> add mt6323-rtc and mt6323-pwrc to mt6397 mfd DT bindings
> an example is shown in mt6323-poweroff.txt
How does this get to v5 with such a terrible subject? At least give
some indication this is for some Mediatek chip.
The recipient list needs some work too. Don't Cc git committers that
get_maintainers.pl lists.
>
> 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>
> Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>
> ---
> changes since v4: use relative path
> changes since v3: none
> changes since v2: separated rtc-mt6397.txt to part 2
> ---
> .../devicetree/bindings/mfd/mt6397.txt | 20 +++++++++++++------
> .../bindings/power/reset/mt6323-poweroff.txt | 20 +++++++++++++++++++
> 2 files changed, 34 insertions(+), 6 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
> index 0ebd08af777d..063f5fe1cace 100644
> --- a/Documentation/devicetree/bindings/mfd/mt6397.txt
> +++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
> @@ -8,11 +8,12 @@ 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.
> See the following for pwarp node definitions:
> -Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
> +../../bindings/soc/mediatek/pwrap.txt
Unrelated change to what the subject says. Clean-ups and new things in
separate patches please.
>
> This document describes the binding for MFD device and its sub module.
>
> @@ -22,14 +23,16 @@ compatible: "mediatek,mt6397" or "mediatek,mt6323"
> Optional subnodes:
>
> - rtc
> - Required properties:
> + Required properties: Should be one of follows
> + - compatible: "mediatek,mt6323-rtc"
How is this related to 'powercontroller'?
> - compatible: "mediatek,mt6397-rtc"
> + For details, see ../../bindings/rtc/rtc-mt6397.txt
> - regulators
> Required properties:
> - compatible: "mediatek,mt6397-regulator"
> - see Documentation/devicetree/bindings/regulator/mt6397-regulator.txt
> + see ../../bindings/regulator/mt6397-regulator.txt
> - compatible: "mediatek,mt6323-regulator"
> - see Documentation/devicetree/bindings/regulator/mt6323-regulator.txt
> + see ../../bindings/regulator/mt6323-regulator.txt
> - codec
> Required properties:
> - compatible: "mediatek,mt6397-codec"
> @@ -39,12 +42,17 @@ Optional subnodes:
> - led
> Required properties:
> - compatible: "mediatek,mt6323-led"
> - see Documentation/devicetree/bindings/leds/leds-mt6323.txt
> + see ../../bindings/leds/leds-mt6323.txt
>
> - keys
> Required properties:
> - compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
> - see Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
> + see ../../bindings/input/mtk-pmic-keys.txt
> +
> +- power-controller
> + Required properties:
> + - compatible: "mediatek,mt6323-pwrc"
> + For details, see ../../bindings/power/reset/mt6323-poweroff.txt
>
> Example:
> pwrap: pwrap@...0f000 {
> 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";
> + };
> + }
> --
> 2.17.1
>
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