linux-kernel - [RFC PATCH 0/3] gpio: rcar: Add support for GPIO alternative interrupt

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Message-ID: <20200422101026.9220-1-erosca@de.adit-jv.com>
Date:   Wed, 22 Apr 2020 12:10:23 +0200
From:   Eugeniu Rosca <erosca@...adit-jv.com>
To:     <linux-renesas-soc@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Linus Walleij <linus.walleij@...aro.org>,
        Marek Vasut <marek.vasut+renesas@...il.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Biju Das <biju.das@...renesas.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Chris Paterson <chris.paterson2@...esas.com>,
        Yusuke Ashiduka <ashiduka@...itsu.com>,
        Torii Kenichi <torii.ken1@...fujitsu.com>,
        Fukui Yohhei <yohhei.fukui@...so-ten.com>,
        Yasushi Asano <yasano@...adit-jv.com>,
        Yuichi Kusakabe <yuichi.kusakabe@...so-ten.com>,
        Andrew Gabbasov <andrew_gabbasov@...tor.com>,
        Jiada Wang <jiada_wang@...tor.com>,
        Eugeniu Rosca <erosca@...adit-jv.com>,
        Eugeniu Rosca <rosca.eugeniu@...il.com>
Subject: [RFC PATCH 0/3] gpio: rcar: Add support for GPIO alternative interrupt

The motivation behind this series is described in commit
("gpio: rcar: Add support for GPIO alternative interrupt").

The reasons for which RFC tag is attached are:
 - Have Renesas/linux-gpio communities been facing GPIO interrupt
   partitioning questions in the past (specifically AP vs RT)?
 - Is it a no-go to have mandatory DTS dependencies like updating
   'interrupts' on specifying the new 'use-alternative-interrupt'?

Many thanks for your comments!

Eugeniu Rosca (1):
  [LOCAL] arm64: dts: renesas: ulcb: Showcase 'use-alternative-interrupt'

Torii Kenichi (2):
  dt-bindings: gpio-rcar: Add optional use-alternative-interrupt property
  gpio: rcar: Add support for GPIO alternative interrupt

 Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt |  3 +++
 arch/arm64/boot/dts/renesas/ulcb.dtsi                        | 40 ++++++++++++++++++++++++++++++++++++++++
 drivers/gpio/gpio-rcar.c                                     | 22 +++++++++++++++++-----
 3 files changed, 60 insertions(+), 5 deletions(-)

-- 
2.26.0