Subject: Re: [RFC PATCH v4 6/8] leds: trigger: add hardware-phy-activity
 trigger
To:     Ansuel Smith <ansuelsmth@gmail.com>, Andrew Lunn <andrew@lunn.ch>,
        Vivien Didelot <vivien.didelot@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Vladimir Oltean <olteanv@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Jonathan Corbet <corbet@lwn.net>, Pavel Machek <pavel@ucw.cz>,
        John Crispin <john@phrozen.org>, netdev@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-doc@vger.kernel.org, linux-leds@vger.kernel.org,
        =?UTF-8?Q?Marek_Beh=c3=ban?= <kabel@kernel.org>
References: <20211111013500.13882-1-ansuelsmth@gmail.com>
 <20211111013500.13882-7-ansuelsmth@gmail.com>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <94f6db80-04a3-6007-5dc4-62a3b45dcb49@infradead.org>
Date:   Wed, 10 Nov 2021 18:18:44 -0800
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On 11/10/21 5:34 PM, Ansuel Smith wrote:
> diff --git a/drivers/leds/trigger/Kconfig b/drivers/leds/trigger/Kconfig
> index dc6816d36d06..737a8be533a3 100644
> --- a/drivers/leds/trigger/Kconfig
> +++ b/drivers/leds/trigger/Kconfig
> @@ -154,4 +154,32 @@ config LEDS_TRIGGER_TTY
>   
>   	  When build as a module this driver will be called ledtrig-tty.
>   
> +config LEDS_TRIGGER_HARDWARE_PHY_ACTIVITY
> +	tristate "LED Trigger for PHY Activity for Hardware Controlled LED"
> +	depends on LEDS_HARDWARE_CONTROL
> +	help
> +	  This allows LEDs to be configured to run by hardware and offloaded

	                                    to be run

> +	  based on some rules. The LED will blink or be on based on the PHY

	                                          or be "on" based on

> +	  activity for example on packet receive or based on the link speed.
> +
> +	  The current supported offload triggers are:
> +	  - blink_tx: Blink LED on tx packet receive
> +	  - blink_rx: Blink LED on rx packet receive
> +	  - keep_link_10m: Keep LED on with 10m link speed
> +	  - keep_link_100m: Keep LED on with 100m link speed
> +	  - keep_link_1000m: Keep LED on with 1000m link speed
> +	  - keep_half_duplex: Keep LED on with half duplex link
> +	  - keep_full_duplex: Keep LED on with full duplex link
> +	  - option_linkup_over: Blink rules are ignored with absent link
> +	  - option_power_on_reset: Power ON Led on Switch/PHY reset
> +	  - option_blink_2hz: Set blink speed at 2hz for every blink event
> +	  - option_blink_4hz: Set blink speed at 4hz for every blink event
> +	  - option_blink_8hz: Set blink speed at 8hz for every blink event
> +
> +	  These blink modes are present in the LED sysfs dir under
> +	  hardware-phy-activity if supported by the LED driver.
> +
> +	  This trigger can be used only by LEDs that support Hardware mode.


-- 
~Randy