linux-kernel - Re: [PATCH v2 1/4] pwm: fsl-ftm: Added a dedicated IP interface clock

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Message-ID: <20180709170926.GF26651@ulmo>
Date:   Mon, 9 Jul 2018 19:09:26 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     shenwei.wang@....com
Cc:     linux-pwm@...r.kernel.org, linux-imx@....com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] pwm: fsl-ftm: Added a dedicated IP interface clock

On Fri, Jun 08, 2018 at 02:22:34PM -0500, shenwei.wang@....com wrote:
> The current driver assumes that the ftm_sys clock works as
> one of the clock sources for the IP block as well as the IP
> interface clock. This assumption does not apply any more on
> the latest i.MX8x SoC family. On i.MX8x SoCs, a dedicated IP
> interface clock is introduced and it must be enabled before
> accessing any FTM registers. Moreover, the clock can not be
> used as the source clock for the FTM IP block. This patch
> introduces the ipg_clk as the dedicated IP interface clock
> and by default it is the same as the ftm_sys clock if not
> specified.
> 
> Signed-off-by: Shenwei Wang <shenwei.wang@....com>
> ---
>  drivers/pwm/pwm-fsl-ftm.c | 22 ++++++++++++++++------
>  1 file changed, 16 insertions(+), 6 deletions(-)

Applied, thanks.

Thierry

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