From: Philipp Zabel <p.zabel@pengutronix.de>
To: Bibby Hsieh <bibby.hsieh@mediatek.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Daniel Kurtz <djkurtz@chromium.org>,
Yingjoe Chen <yingjoe.chen@mediatek.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
James Liao <jamesjj.liao@mediatek.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
YH Huang <yh.huang@mediatek.com>, CK Hu <ck.hu@mediatek.com>,
Yong Wu <yong.wu@mediatek.com>,
Eddie Huang <eddie.huang@mediatek.com>,
"dawei.chien@mediatek.com" <dawei.chien@mediatek.com>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Junzhi Zhao <junzhi.zhao@mediatek.com>
Subject: Re: [PATCH v4] arm64: dts: mt8173: add mmsel clocks for 4K support
Date: Fri, 29 Jul 2016 11:53:10 +0200 [thread overview]
Message-ID: <1469785990.3012.35.camel@pengutronix.de> (raw)
In-Reply-To: <1469783388-56804-1-git-send-email-bibby.hsieh@mediatek.com>
Hi Bibby,
Am Freitag, den 29.07.2016, 17:09 +0800 schrieb Bibby Hsieh:
> To support HDMI 4K resolution, mmsys need clcok
> mm_sel to be 400MHz.
>
> The board .dts file should override the clock rate
> property with the higher VENCPLL frequency the board
> supports HDMI 4K resolution.
>
> Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
> ---
> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> index 78529e4..93d4d17 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -690,6 +690,8 @@
> compatible = "mediatek,mt8173-mmsys", "syscon";
> reg = <0 0x14000000 0 0x1000>;
> power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> + clocks = <&topckgen CLK_TOP_MM_SEL>;
> + clock-frequency = <400000000>;
This is unchanged compared to v3, I suggest to use assigned-clocks /
assigned-clock-rates properties instead.
best regards
Philipp
next prev parent reply other threads:[~2016-07-29 9:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-29 9:09 Bibby Hsieh
2016-07-29 9:53 ` Philipp Zabel [this message]
2016-08-03 1:46 ` Bibby Hsieh
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