From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Marek Vasut <marek.vasut+renesas@mailbox.org>
Cc: linux-arm-kernel@lists.infradead.org,
Conor Dooley <conor+dt@kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Magnus Damm <magnus.damm@gmail.com>,
Rob Herring <robh@kernel.org>,
devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v3] arm64: dts: renesas: r8a779g3: Add Argon40 fan HAT DTO to Retronix R-Car V4H Sparrow Hawk
Date: Sun, 7 Sep 2025 22:18:52 +0200 [thread overview]
Message-ID: <aL3orDHZDLri0LJj@ninjato> (raw)
In-Reply-To: <20250907161130.218470-1-marek.vasut+renesas@mailbox.org>
On Sun, Sep 07, 2025 at 06:10:53PM +0200, Marek Vasut wrote:
> Add DT overlay to bind Argon40 fan HAT, on Retronix R-Car V4H
> Sparrow Hawk board. Fan RPM control and full RPM on reboot has
> been tested.
>
> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> + * # Localize hwmon sysfs directory that matches the PWM fan,
> + * # enable the PWM fan, and configure the fan speed manually.
> + * r8a779g3-sparrow-hawk$ ls -1 /sys/devices/platform/pwm-fan-ext/hwmon/hwmon?/pwm?_enable
> + * /sys/devices/platform/pwm-fan-ext/hwmon/hwmon0/pwm1_enable
Great solution!
next prev parent reply other threads:[~2025-09-07 20:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-07 16:10 [PATCH v3] arm64: dts: renesas: r8a779g3: Add Argon40 fan HAT DTO to Retronix R-Car V4H Sparrow Hawk Marek Vasut
2025-09-07 20:18 ` Wolfram Sang [this message]
2025-09-25 15:09 ` Wolfram Sang
2025-09-25 15:16 ` Geert Uytterhoeven
2025-09-26 8:42 ` Geert Uytterhoeven
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