From: "Heiko Stübner" <heiko@sntech.de>
To: Xing Zheng <zhengxing@rock-chips.com>
Cc: linux-rockchip@lists.infradead.org, keescook@google.com,
leozwang@google.com, Rob Herring <robh+dt@kernel.org>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Russell King <linux@arm.linux.org.uk>,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] ARM: dts: rockchip: increase the mclk_fs to 512 for kylin board
Date: Tue, 02 Feb 2016 22:43:36 +0100 [thread overview]
Message-ID: <5872159.rO8vOly5eX@diego> (raw)
In-Reply-To: <1454057361-22923-1-git-send-email-zhengxing@rock-chips.com>
Am Freitag, 29. Januar 2016, 16:49:21 schrieb Xing Zheng:
> If we playback the 8KHz FS audio with the 256 mclk_fs, we need the
> mclk = 256 * 8000 = 2.048MHz, the frac div is 594 / 2.048 = 290,
> the frac div value 0x00809015 set to the CRU_CLKSEL7_CON will cause
> to hang.
>
> We increase the mclk_fs to 512, will get the mclk = 512 * 8000 =
> 4.096MHz, use 0x01009015 instead of 0x00809015 to work around this
> issue. We will keep tracking it.
>
> Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
applied to my dts32 branch for 4.6
Thanks
Heiko
prev parent reply other threads:[~2016-02-02 21:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-29 8:49 [RFC PATCH] ARM: dts: rockchip: increase the mclk_fs to 512 for kylin board Xing Zheng
2016-02-02 21:43 ` Heiko Stübner [this message]
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