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From: Linus Walleij <linus.walleij@linaro.org>
To: Michael Walle <michael@walle.cc>
Cc: Drew Fustini <drew@beagleboard.org>,
	Rob Herring <robh+dt@kernel.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Michael Zhu <michael.zhu@starfivetech.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Fu Wei <tekkamanninja@gmail.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	Emil Renner Berthing <kernel@esmil.dk>,
	Huan Feng <huan.feng@starfivetech.com>
Subject: Re: [RFC PATH 2/2] gpio: starfive-jh7100: Add StarFive JH7100 GPIO driver
Date: Fri, 23 Jul 2021 23:04:41 +0200	[thread overview]
Message-ID: <CACRpkdbhKsuXZiLCh_iajJQWDdQQOZ87QF3xDr5Vc66SoVCnxQ@mail.gmail.com> (raw)
In-Reply-To: <8c59105d32a9936f8806501ecd20e044@walle.cc>

On Thu, Jul 1, 2021 at 8:39 AM Michael Walle <michael@walle.cc> wrote:
> Am 2021-07-01 02:20, schrieb Drew Fustini:
> > Add GPIO driver for the StarFive JH7100 SoC [1] used on the
> > BeagleV Starlight JH7100 board [2].
> >
> > [1] https://github.com/starfive-tech/beaglev_doc/
> > [2] https://github.com/beagleboard/beaglev-starlight
> >
> > Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
> > Signed-off-by: Huan Feng <huan.feng@starfivetech.com>
> > Signed-off-by: Drew Fustini <drew@beagleboard.org>
>
> Could this driver use GPIO_REGMAP and REGMAP_IRQ? See
> drivers/gpio/gpio-sl28cpld.c for an example.

To me it looks just memory-mapped?

Good old gpio-mmio.c (select GPIO_GENERIC) should
suffice I think.

Drew please look at drivers/gpio/gpio-ftgpio010.c for an example
of GPIO_GENERIC calling bgpio_init() in probe().

Yours,
Linus Walleij

WARNING: multiple messages have this Message-ID (diff)
From: Linus Walleij <linus.walleij@linaro.org>
To: Michael Walle <michael@walle.cc>
Cc: Drew Fustini <drew@beagleboard.org>,
	Rob Herring <robh+dt@kernel.org>,
	 Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	 Palmer Dabbelt <palmer@dabbelt.com>,
	Michael Zhu <michael.zhu@starfivetech.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Fu Wei <tekkamanninja@gmail.com>,
	 linux-kernel <linux-kernel@vger.kernel.org>,
	 "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	 "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Emil Renner Berthing <kernel@esmil.dk>,
	 Huan Feng <huan.feng@starfivetech.com>
Subject: Re: [RFC PATH 2/2] gpio: starfive-jh7100: Add StarFive JH7100 GPIO driver
Date: Fri, 23 Jul 2021 23:04:41 +0200	[thread overview]
Message-ID: <CACRpkdbhKsuXZiLCh_iajJQWDdQQOZ87QF3xDr5Vc66SoVCnxQ@mail.gmail.com> (raw)
In-Reply-To: <8c59105d32a9936f8806501ecd20e044@walle.cc>

On Thu, Jul 1, 2021 at 8:39 AM Michael Walle <michael@walle.cc> wrote:
> Am 2021-07-01 02:20, schrieb Drew Fustini:
> > Add GPIO driver for the StarFive JH7100 SoC [1] used on the
> > BeagleV Starlight JH7100 board [2].
> >
> > [1] https://github.com/starfive-tech/beaglev_doc/
> > [2] https://github.com/beagleboard/beaglev-starlight
> >
> > Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
> > Signed-off-by: Huan Feng <huan.feng@starfivetech.com>
> > Signed-off-by: Drew Fustini <drew@beagleboard.org>
>
> Could this driver use GPIO_REGMAP and REGMAP_IRQ? See
> drivers/gpio/gpio-sl28cpld.c for an example.

To me it looks just memory-mapped?

Good old gpio-mmio.c (select GPIO_GENERIC) should
suffice I think.

Drew please look at drivers/gpio/gpio-ftgpio010.c for an example
of GPIO_GENERIC calling bgpio_init() in probe().

Yours,
Linus Walleij

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  parent reply	other threads:[~2021-07-23 21:04 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-01  0:20 [RFC PATH 0/2] gpio: starfive-jh7100: Add StarFive JH7100 GPIO bindings and driver Drew Fustini
2021-07-01  0:20 ` Drew Fustini
2021-07-01  0:20 ` [RFC PATH 1/2] dt-bindings: gpio: add starfive,jh7100-gpio bindings Drew Fustini
2021-07-01  0:20   ` Drew Fustini
2021-07-01  8:34   ` Geert Uytterhoeven
2021-07-01  8:34     ` [RFC PATH 1/2] dt-bindings: gpio: add starfive, jh7100-gpio bindings Geert Uytterhoeven
2021-07-02 20:56     ` [RFC PATH 1/2] dt-bindings: gpio: add starfive,jh7100-gpio bindings Drew Fustini
2021-07-02 20:56       ` Drew Fustini
2021-07-02 21:03       ` Geert Uytterhoeven
2021-07-02 21:03         ` [RFC PATH 1/2] dt-bindings: gpio: add starfive, jh7100-gpio bindings Geert Uytterhoeven
2021-07-03  6:46         ` [RFC PATH 1/2] dt-bindings: gpio: add starfive,jh7100-gpio bindings Drew Fustini
2021-07-03  6:46           ` Drew Fustini
2021-07-03  8:49           ` Geert Uytterhoeven
2021-07-03  8:49             ` [RFC PATH 1/2] dt-bindings: gpio: add starfive, jh7100-gpio bindings Geert Uytterhoeven
2021-07-01  0:20 ` [RFC PATH 2/2] gpio: starfive-jh7100: Add StarFive JH7100 GPIO driver Drew Fustini
2021-07-01  0:20   ` Drew Fustini
2021-07-01  2:25   ` Bin Meng
2021-07-01  2:25     ` Bin Meng
2021-07-01 20:44     ` Drew Fustini
2021-07-01 20:44       ` Drew Fustini
2021-07-01  6:39   ` Michael Walle
2021-07-01  6:39     ` Michael Walle
2021-07-01 20:33     ` Drew Fustini
2021-07-01 20:33       ` Drew Fustini
2021-07-02 14:59       ` Michael Walle
2021-07-02 14:59         ` Michael Walle
2021-07-02 21:00     ` Drew Fustini
2021-07-02 21:00       ` Drew Fustini
2021-07-23 21:04     ` Linus Walleij [this message]
2021-07-23 21:04       ` Linus Walleij
2021-07-26  7:11       ` Drew Fustini
2021-07-26  7:11         ` Drew Fustini
2021-07-26  7:21         ` Michael Walle
2021-07-26  7:21           ` Michael Walle
2021-07-27  5:28           ` Drew Fustini
2021-07-27  5:28             ` Drew Fustini
2021-07-28  9:49             ` Michael Walle
2021-07-28  9:49               ` Michael Walle
2021-07-28 10:59               ` Emil Renner Berthing
2021-07-28 10:59                 ` Emil Renner Berthing
2021-07-28 11:19                 ` Michael Walle
2021-07-28 11:19                   ` Michael Walle
2021-07-28 11:21                   ` Emil Renner Berthing
2021-07-28 11:21                     ` Emil Renner Berthing
2021-07-01 18:25   ` kernel test robot
2021-07-02 16:03   ` Andy Shevchenko
2021-07-02 16:03     ` Andy Shevchenko
2021-07-02 21:06     ` Drew Fustini
2021-07-02 21:06       ` Drew Fustini
2021-07-05 13:29       ` Michael Walle
2021-07-05 13:29         ` Michael Walle
2021-07-05 14:33         ` Matti Vaittinen
2021-07-05 14:33           ` Matti Vaittinen
2021-07-15  1:49   ` Ley Foon Tan
2021-07-15  1:49     ` Ley Foon Tan

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