From: Sylwester Nawrocki <s.nawrocki@samsung.com>
To: Thierry Escande <thierry.escande@collabora.com>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>,
Andrzej Pietrasiewicz <andrzej.p@samsung.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
Marek Szyprowski <m.szyprowski@samsung.com>
Subject: Re: [PATCH 7/9] [media] s5p-jpeg: Change sclk_jpeg to 166MHz for Exynos5250
Date: Mon, 05 Jun 2017 12:26:43 +0200 [thread overview]
Message-ID: <2b94d31d-7a76-53b7-e8eb-b516cdfea2fc@samsung.com> (raw)
In-Reply-To: <4e77fd32-5805-d1f5-2ddd-3196cc978ef2@gmail.com>
On 06/02/2017 11:58 PM, Jacek Anaszewski wrote:
> On 06/02/2017 06:02 PM, Thierry Escande wrote:
>> From: henryhsu<henryhsu@chromium.org>
>>
>> The default clock parent of jpeg on Exynos5250 is fin_pll, which is
>> 24MHz. We have to change the clock parent to CPLL, which is 333MHz,
>> and set sclk_jpeg to 166MHz.
There is no need to patch the driver for these platform specific clock
settings, it can be specified in the device tree with the "assigned-clocks"
properties. There is an example in mainline for exynos3250 SoC already [1].
--
Thanks,
Sylwester
[1]
http://elixir.free-electrons.com/linux/v4.6/source/arch/arm/boot/dts/exynos3250.dtsi#L263
next prev parent reply other threads:[~2017-06-05 10:26 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-02 16:02 [PATCH 0/9] [media] s5p-jpeg: Various fixes and improvements Thierry Escande
2017-06-02 16:02 ` [PATCH 1/9] [media] s5p-jpeg: Reset the Codec before doing a soft reset Thierry Escande
2017-06-02 19:50 ` Jacek Anaszewski
2017-06-07 12:34 ` Thierry Escande
2017-06-13 18:46 ` Jacek Anaszewski
2017-06-14 12:03 ` Andrzej Pietrasiewicz
2017-06-02 16:02 ` [PATCH 2/9] [media] s5p-jpeg: Call jpeg_bound_align_image after qbuf Thierry Escande
2017-06-02 21:27 ` Jacek Anaszewski
2017-06-02 16:02 ` [PATCH 3/9] [media] s5p-jpeg: Correct WARN_ON statement for checking subsampling Thierry Escande
2017-06-02 16:02 ` [PATCH 4/9] [media] s5p-jpeg: Decode 4:1:1 chroma subsampling format Thierry Escande
2017-06-02 21:34 ` Jacek Anaszewski
2017-06-02 16:02 ` [PATCH 5/9] [media] s5p-jpeg: Add IOMMU support Thierry Escande
2017-06-02 21:43 ` Jacek Anaszewski
2017-06-19 6:16 ` Marek Szyprowski
2017-06-03 0:46 ` Shuah Khan
[not found] ` <CGME20170605113718epcas5p3edec0d42b03181649f06ae9b5bbd6a65@epcas5p3.samsung.com>
2017-06-05 11:37 ` Sylwester Nawrocki
2017-06-02 16:02 ` [PATCH 6/9] [media] s5p-jpeg: Add support for resolution change event Thierry Escande
2017-06-02 21:53 ` Jacek Anaszewski
2017-06-07 15:27 ` Thierry Escande
2017-06-02 16:02 ` [PATCH 7/9] [media] s5p-jpeg: Change sclk_jpeg to 166MHz for Exynos5250 Thierry Escande
2017-06-02 21:58 ` Jacek Anaszewski
2017-06-05 10:26 ` Sylwester Nawrocki [this message]
2017-06-02 16:02 ` [PATCH 8/9] [media] s5p-jpeg: Add stream error handling for Exynos5420 Thierry Escande
2017-06-02 16:02 ` [PATCH 9/9] [media] s5p-jpeg: Add support for multi-planar APIs Thierry Escande
2017-06-02 22:04 ` Jacek Anaszewski
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