From: heiko@sntech.de (Heiko Stuebner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] clk: rockchip: add special approximation to fix up fractional clk's jitter
Date: Tue, 08 Aug 2017 17:58:40 +0200 [thread overview]
Message-ID: <5870913.YR5OS93x3L@phil> (raw)
In-Reply-To: <3942563.TMEkxTS0ar@phil>
Am Dienstag, 1. August 2017, 18:22:24 CEST schrieb Heiko Stuebner:
> From: Elaine Zhang <zhangqing@rock-chips.com>
>
> From Rockchips fractional divider description:
> 3.1.9 Fractional divider usage
> To get specific frequency, clocks of I2S, SPDIF, UARTcan be generated by
> fractional divider. Generally you must set that denominator is 20 times
> larger than numerator to generate precise clock frequency. So the
> fractional divider applies only to generate low frequency clock like
> I2S, UART.
>
> Therefore add a special approximation function that handles this
> special requirement.
>
> Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
applied for 4.14
Heiko
prev parent reply other threads:[~2017-08-08 15:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-21 8:03 [PATCH v3] clk: fractional-divider: fix up the fractional clk's jitter Elaine Zhang
2017-08-01 16:19 ` Heiko Stuebner
2017-08-01 16:21 ` [PATCH 1/2] clk: fractional-divider: allow overriding of approximation Heiko Stuebner
2017-08-02 3:43 ` Elaine Zhang
2017-08-07 23:02 ` Stephen Boyd
2017-08-08 15:58 ` Heiko Stuebner
2017-08-01 16:22 ` [PATCH 2/2] clk: rockchip: add special approximation to fix up fractional clk's jitter Heiko Stuebner
2017-08-02 3:43 ` Elaine Zhang
2017-08-08 15:58 ` Heiko Stuebner [this message]
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