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Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven segment display on zaius

From Arnd Bergmann <arnd@arndb.de>
Newsgroups linux.kernel
Subject Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven segment display on zaius
Date 2016-12-14 10:10 +0100
Message-ID <sOdJw-4BA-3@gated-at.bofh.it> (permalink)
References <sOcDL-3Kl-1@gated-at.bofh.it> <sOcDM-3Kl-11@gated-at.bofh.it> <sOdzP-4jc-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wednesday, December 14, 2016 9:55:47 AM CET Arnd Bergmann wrote:
> According to your introductory mail, the interface is assumed to be
> a 74HC164. Should we use that ID in the compatible string?
> 
> We can always add other strings later if we want to support multiple
> wire formats.

Actually, looking up 74hc164, that seems to be a gpio expander,
so maybe a more flexible way to do the same is to put a driver
for the expander into drivers/gpio/ and have the main driver
access the outputs of that using the gpiolib interface.

	Arnd

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Thread

[PATCH linux v1 0/4] Seven segment display support Jaghathiswari Rankappagounder Natarajan <jaghu@google.com> - 2016-12-14 09:00 +0100
  [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven segment display on zaius Jaghathiswari Rankappagounder Natarajan <jaghu@google.com> - 2016-12-14 09:00 +0100
    Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven segment display on zaius Arnd Bergmann <arnd@arndb.de> - 2016-12-14 10:00 +0100
      Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven segment display on zaius Arnd Bergmann <arnd@arndb.de> - 2016-12-14 10:10 +0100
        Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven  segment display on zaius Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-12-14 12:10 +0100
          Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven  segment display on zaius Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-12-14 12:50 +0100
            Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven  segment display on zaius Linus Walleij <linus.walleij@linaro.org> - 2016-12-16 00:10 +0100
    Re: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven  segment display on zaius Joel Stanley <joel@jms.id.au> - 2016-12-14 10:10 +0100
  [PATCH linux v1 2/4] drivers: misc: Character device driver for seven segment display Jaghathiswari Rankappagounder Natarajan <jaghu@google.com> - 2016-12-14 09:00 +0100
    Re: [PATCH linux v1 2/4] drivers: misc: Character device driver for  seven segment display Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-12-14 13:40 +0100
  [PATCH linux v1 3/4] drivers: misc: Platform driver for seven segment display support Jaghathiswari Rankappagounder Natarajan <jaghu@google.com> - 2016-12-14 09:00 +0100
  [PATCH linux v1 1/4] Documentation: dt-bindings: Document bindings for seven segment display support Jaghathiswari Rankappagounder Natarajan <jaghu@google.com> - 2016-12-14 09:00 +0100
  Re: [PATCH linux v1 0/4] Seven segment display support Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - 2016-12-14 13:50 +0100
    Re: [PATCH linux v1 0/4] Seven segment display support Greg KH <gregkh@linuxfoundation.org> - 2016-12-14 14:00 +0100
      Re: [PATCH linux v1 0/4] Seven segment display support Neil Armstrong <narmstrong@baylibre.com> - 2016-12-14 14:20 +0100
        Re: [PATCH linux v1 0/4] Seven segment display support Arnd Bergmann <arnd@arndb.de> - 2016-12-14 15:20 +0100
          Re: [PATCH linux v1 0/4] Seven segment display support David Daney <ddaney.cavm@gmail.com> - 2016-12-14 22:20 +0100
        Re: [PATCH linux v1 0/4] Seven segment display support Greg KH <gregkh@linuxfoundation.org> - 2016-12-14 18:00 +0100

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