[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Tue, 08 Aug 2017 17:58:40 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: Elaine Zhang <zhangqing@...k-chips.com>
Cc: mturquette@...libre.com, sboyd@...eaurora.org,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-rockchip@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, huangtao@...k-chips.com,
cl@...k-chips.com, xxx@...k-chips.com, xf@...k-chips.com
Subject: Re: [PATCH 2/2] clk: rockchip: add special approximation to fix up fractional clk's jitter
Am Dienstag, 1. August 2017, 18:22:24 CEST schrieb Heiko Stuebner:
> From: Elaine Zhang <zhangqing@...k-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@...k-chips.com>
applied for 4.14
Heiko
Powered by blists - more mailing lists