linux-kernel - Re: [PATCH v2 2/2] leds: Add support for Turris 1.x LEDs

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Message-ID: <20220705193031.5130142e@thinkpad>
Date:   Tue, 5 Jul 2022 19:30:31 +0200
From:   Marek Behún <kabel@...nel.org>
To:     Pali Rohár <pali@...nel.org>
Cc:     Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] leds: Add support for Turris 1.x LEDs

On Tue,  5 Jul 2022 17:59:29 +0200
Pali Rohár <pali@...nel.org> wrote:

> This adds support for the RGB LEDs found on the front panel of the
> Turris 1.x routers. There are 8 RGB LEDs that are controlled by
> CZ.NIC CPLD firmware running on Lattice FPGA.
> 
> CPLD firmware provides HW triggering mode for all LEDs except WiFi LED
> which is automatically enabled after power on reset. LAN LEDs share HW
> registers for RGB colors settings, so it is not possible to set different
> colors for individual LAN LEDs.
> 
> CZ.NIC CPLD firmware is open source and available at:
> https://gitlab.nic.cz/turris/hw/turris_cpld/-/blob/master/CZ_NIC_Router_CPLD.v
> 
> This driver uses the multicolor LED framework and HW led triggers.
> 
> Signed-off-by: Pali Rohár <pali@...nel.org>

Reviewed-by: Marek Behún <kabel@...nel.org>