linux-kernel - Re: [PATCH v3] clk: at91: utmi: set the mainck rate

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Message-ID: <20171102064031.GC30645@codeaurora.org>
Date:   Wed, 1 Nov 2017 23:40:31 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Ludovic Desroches <ludovic.desroches@...rochip.com>
Cc:     linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        boris.brezillon@...e-electrons.com, mturquette@...libre.com,
        nicolas.ferre@...rochip.com, alexandre.belloni@...e-electrons.com,
        inguin@....de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] clk: at91: utmi: set the mainck rate

On 09/06, Ludovic Desroches wrote:
> By default, it is assumed that the UTMI clock is generated from a 12 MHz
> reference clock (MAINCK). If it's not the case, the FREQ field of the
> SFR_UTMICKTRIM has to be updated to generate the UTMI clock in the
> proper way.
> 
> The UTMI clock has a fixed rate of 480 MHz. In fact, there is no
> multiplier we can configure. The multiplier is managed internally,
> depending on the reference clock frequency, to achieve the target of
> 480 MHz.
> 
> Signed-off-by: Ludovic Desroches <ludovic.desroches@...rochip.com>
> ---

Applied to clk-next

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