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Groups > linux.kernel > #1706709
| Path | csiph.com!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Heiko Stuebner <heiko@sntech.de> |
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] clk: rockchip: add special approximation to fix up fractional clk's jitter |
| Date | Tue, 08 Aug 2017 18:00:04 +0200 |
| Message-ID | <ucf5i-258-65@gated-at.bofh.it> (permalink) |
| References | <u5B0S-1Xy-21@gated-at.bofh.it> <u9Idr-6fm-3@gated-at.bofh.it> <u9Ids-6fm-23@gated-at.bofh.it> |
| X-Original-To | Elaine Zhang <zhangqing@rock-chips.com> |
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| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 20 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | mturquette@baylibre.com, sboyd@codeaurora.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, huangtao@rock-chips.com, cl@rock-chips.com, xxx@rock-chips.com, xf@rock-chips.com |
| X-Original-Date | Tue, 08 Aug 2017 17:58:40 +0200 |
| X-Original-Message-ID | <5870913.YR5OS93x3L@phil> |
| X-Original-References | <1500624187-12165-1-git-send-email-zhangqing@rock-chips.com> <5990882.df1suBpf8V@phil> <3942563.TMEkxTS0ar@phil> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1706709 |
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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
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[PATCH 2/2] clk: rockchip: add special approximation to fix up fractional clk's jitter Heiko Stuebner <heiko@sntech.de> - 2017-08-01 18:30 +0200 Re: [PATCH 2/2] clk: rockchip: add special approximation to fix up fractional clk's jitter Elaine Zhang <zhangqing@rock-chips.com> - 2017-08-02 05:50 +0200 Re: [PATCH 2/2] clk: rockchip: add special approximation to fix up fractional clk's jitter Heiko Stuebner <heiko@sntech.de> - 2017-08-08 18:00 +0200
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