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From: David Abdurachmanov <david.abdurachmanov@gmail.com>
To: JaeJoon Jung <rgbi3307@gmail.com>
Cc: Anup Patel <anup@brainfault.org>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Andrew Waterman <andrew@sifive.com>,
	Paul Walmsley <paul.walmsley@sifive.com>
Subject: Re: [PATCH] RISC-V: Add and Update gpio-sifive.c for SiFive FU540 GPIO
Date: Tue, 28 Jan 2020 08:50:49 +0200	[thread overview]
Message-ID: <CAEn-LToqmqXJC0dMvu9qjSCBNRsSkYGrCFVbTojoOZDxTfwfSw@mail.gmail.com> (raw)
In-Reply-To: <CAHOvCC5h1cKJzYx4sm-U0HDY9LGkhqWYGh+VaaOaJidP=Jkerw@mail.gmail.com>

On Tue, Jan 28, 2020 at 8:42 AM JaeJoon Jung <rgbi3307@gmail.com> wrote:
>
> I added and updated gpio-sifive.c for SiFive FU540 GPIO.
> (References: SiFive FU540-C000 manual v1p0, Chapter 17 "GPIO")
> I attached drivers/gpio/gpio-sifive.c (new)
>
> RISCV-FU540:/root# uname -a
> Linux RISCV-FU540 5.5.0-dirty #6 SMP Tue Jan 28 14:38:11 KST 2020
> riscv64 GNU/Linux
>
> $ git diff v5.5 --compact-summary
>  arch/riscv/boot/dts/sifive/fu540-c000.dtsi          |  13 ++++
>  arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts |  36 +++++++++
>  drivers/gpio/Kconfig                                |   8 ++
>  drivers/gpio/Makefile                               |   1 +
>  drivers/gpio/gpio-sifive.c (new)                    | 447
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  5 files changed, 574 insertions(+)
>
> I used drivers/gpio/gpio-sifive.c in kernel v4.15(freedom-u-sdk)
> released by sifive.

Yash Shah (SiFive) is upstreaming a new GPIO driver.

You might want to look at:
[PATCH v4 0/6] GPIO & Hierarchy IRQ support for HiFive Unleashed
https://lists.infradead.org/pipermail/linux-riscv/2019-December/007883.html

david


      reply	other threads:[~2020-01-28  6:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-28  6:41 [PATCH] RISC-V: Add and Update gpio-sifive.c for SiFive FU540 GPIO JaeJoon Jung
2020-01-28  6:50 ` David Abdurachmanov [this message]

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