linux-kernel - Re: [PATCH v9 0/2] PWM support for HiFive Unleashed

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Message-ID: <mvm5zsgp00d.fsf@suse.de>
Date:   Mon, 18 Mar 2019 18:26:10 +0100
From:   Andreas Schwab <schwab@...e.de>
To:     Yash Shah <yash.shah@...ive.com>
Cc:     Palmer Dabbelt <palmer@...ive.com>, linux-pwm@...r.kernel.org,
        linux-riscv@...ts.infradead.org,
        Thierry Reding <thierry.reding@...il.com>, robh+dt@...nel.org,
        mark.rutland@....com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Sachin Ghadi <sachin.ghadi@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>
Subject: Re: [PATCH v9 0/2] PWM support for HiFive Unleashed

On Mär 15 2019, Yash Shah <yash.shah@...ive.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@...e.de
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