From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andreas Schwab <schwab@suse.de>
Subject: Re: [PATCH v9 0/2] PWM support for HiFive Unleashed
Date: Mon, 18 Mar 2019 18:26:10 +0100
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        (Yash Shah's message of "Fri, 15 Mar 2019 17:19:59 +0530")
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To: Yash Shah <yash.shah@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>, linux-pwm@vger.kernel.org, linux-riscv@lists.infradead.org, Thierry Reding <thierry.reding@gmail.com>, robh+dt@kernel.org, mark.rutland@arm.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sachin Ghadi <sachin.ghadi@sifive.com>, Paul Walmsley <paul.walmsley@sifive.com>
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On Mär 15 2019, Yash Shah <yash.shah@sifive.com> wrote:

> You need to make sure the period setting is passed via the
> conventional way in DT file.
> Example:
> pwmleds {
>     compatible = "pwm-leds";
>     heartbeat {
>         pwms = <&L45 0 10000000 0>;
>         max-brightness = <255>;
>         linux,default-trigger = "heartbeat";
>     };
> };

I've now managed to build a working FSBL with that change, but that
didn't change anything.  There is not even a heartbeat option in
/sys/class/leds/heartbeat/trigger any more.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."