linux-kernel - Re: [RESEND PATCH v6 2/3] leds: Add driver for the TLC5925 LED controller

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Message-ID: <CAHp75Vdu-EJRRxkK7+TfuE=zEDkJye1QCXSB+cDLrqxuykJjkA@mail.gmail.com>
Date:   Sun, 31 Jul 2022 21:28:49 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Jean-Jacques Hiblot <jjhiblot@...phandler.com>
Cc:     Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Linux LED Subsystem <linux-leds@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH v6 2/3] leds: Add driver for the TLC5925 LED controller

On Fri, Jul 22, 2022 at 10:14 AM Jean-Jacques Hiblot
<jjhiblot@...phandler.com> wrote:
>
> The TLC5925 is a 16-channels constant-current LED sink driver.
> It is controlled via SPI but doesn't offer a register-based interface.
> Instead it contains a shift register and latches that convert the
> serial input into a parallel output.
>
> Datasheet: https://www.ti.com/lit/ds/symlink/tlc5925.pdf
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@...phandler.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>

Sorry for my slowpokeness, but I just realized that this driver may
not be needed. What is the difference to existing gpio-74x164?

-- 
With Best Regards,
Andy Shevchenko