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From: Linus Walleij <linus.walleij@linaro.org>
To: Rob Herring <robh@kernel.org>
Cc: Amelie Delaunay <amelie.delaunay@st.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Russell King <linux@armlinux.org.uk>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Lee Jones <lee.jones@linaro.org>
Subject: Re: [PATCH 1/5] dt-bindings: pinctrl: document the STMFX pinctrl bindings
Date: Thu, 26 Apr 2018 14:49:44 +0200	[thread overview]
Message-ID: <CACRpkdYOMjjYyWQz7PK34jqUK7z5-CmH1HY6un4k8nBn7Cq8ag@mail.gmail.com> (raw)
In-Reply-To: <20180416181940.4b5z4svbde3ompij@rob-hp-laptop>

On Mon, Apr 16, 2018 at 8:19 PM, Rob Herring <robh@kernel.org> wrote:
> On Wed, Apr 11, 2018 at 11:47:01AM +0200, Amelie Delaunay wrote:
>> This patch adds documentation of device tree bindings for the
>> STMicroelectronics Multi-Function eXpander (STMFX) GPIO expander.
>>
>> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>

>> +     stmfxpinctrl: stmfx@42 {
>> +             compatible = "st,stmfx-0300";
>> +             reg = <0x42>;
>> +             interrupt-parent = <&gpioi>;
>> +             interrupts = <8 IRQ_TYPE_EDGE_RISING>;
>> +             vdd-supply = <&v3v3>;
>> +             status = "okay";
>
> Don't show status in examples.
>
>> +
>> +             stmfxgpio: gpio {
>
> Why does this need to be a sub node? Are there functions beyond GPIO?

Amelie can answer to whether there are, I suspect there
are and in the review of patch 2 I suggest a MFD parent
and parent/child spawning of a MFD child for the GPIO
and pin control device.

Yours,
Linus Walleij

  reply	other threads:[~2018-04-26 12:49 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-11  9:47 [PATCH 0/5] Introduce STMFX I2C GPIO expander Amelie Delaunay
2018-04-11  9:47 ` [PATCH 1/5] dt-bindings: pinctrl: document the STMFX pinctrl bindings Amelie Delaunay
2018-04-16 18:19   ` Rob Herring
2018-04-26 12:49     ` Linus Walleij [this message]
2018-05-09  7:56       ` Amelie DELAUNAY
2018-05-16 14:20         ` Linus Walleij
2018-05-16 15:01           ` Amelie DELAUNAY
2018-05-17  6:36             ` Lee Jones
2018-05-18  7:29               ` Amelie DELAUNAY
2018-05-18 13:52                 ` Lee Jones
2018-05-18 15:13                   ` Amelie DELAUNAY
2018-05-24  7:13                 ` Linus Walleij
2018-05-28 11:39                   ` Amelie DELAUNAY
2018-05-29  7:36                     ` Lee Jones
2018-05-09  7:31     ` Amelie DELAUNAY
2018-04-11  9:47 ` [PATCH 2/5] pinctrl: Add STMFX GPIO expander Pinctrl/GPIO driver Amelie Delaunay
2018-04-12  3:11   ` kbuild test robot
2018-04-26 12:48   ` Linus Walleij
2018-05-09  9:13     ` Amelie DELAUNAY
2018-04-11  9:47 ` [PATCH 3/5] ARM: dts: stm32: add STMFX pinctrl/gpio expander support on stm32746g-eval Amelie Delaunay
2018-04-11  9:47 ` [PATCH 4/5] ARM: dts: stm32: add orange and blue leds " Amelie Delaunay
2018-04-11  9:47 ` [PATCH 5/5] ARM: dts: stm32: add joystick support " Amelie Delaunay

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