* [PATCH v4] arm64: dts: mt8173: add mmsel clocks for 4K support
@ 2016-07-29 9:09 Bibby Hsieh
[not found] ` <1469783388-56804-1-git-send-email-bibby.hsieh-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
0 siblings, 1 reply; 3+ messages in thread
From: Bibby Hsieh @ 2016-07-29 9:09 UTC (permalink / raw)
To: Mark Rutland, devicetree-u79uwXL29TY76Z2rM5mHXA,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r
Cc: Rob Herring, Pawel Moll, Ian Campbell, Kumar Gala,
Catalin Marinas, Will Deacon, Matthias Brugger, Daniel Kurtz,
Yingjoe Chen, Sascha Hauer, James Liao, Lorenzo Pieralisi,
YH Huang, CK Hu, Yong Wu, Eddie Huang,
dawei.chien-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, Chunfeng Yun,
Junzhi Zhao, Philipp Zabel, 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-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
---
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>;
#clock-cells = <1>;
};
--
1.7.9.5
--
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^ permalink raw reply related [flat|nested] 3+ messages in thread[parent not found: <1469783388-56804-1-git-send-email-bibby.hsieh-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>]
* Re: [PATCH v4] arm64: dts: mt8173: add mmsel clocks for 4K support [not found] ` <1469783388-56804-1-git-send-email-bibby.hsieh-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> @ 2016-07-29 9:53 ` Philipp Zabel [not found] ` <1469785990.3012.35.camel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> 0 siblings, 1 reply; 3+ messages in thread From: Philipp Zabel @ 2016-07-29 9:53 UTC (permalink / raw) To: Bibby Hsieh Cc: Mark Rutland, devicetree-u79uwXL29TY76Z2rM5mHXA, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Rob Herring, Pawel Moll, Ian Campbell, Kumar Gala, Catalin Marinas, Will Deacon, Matthias Brugger, Daniel Kurtz, Yingjoe Chen, Sascha Hauer, James Liao, Lorenzo Pieralisi, YH Huang, CK Hu, Yong Wu, Eddie Huang, dawei.chien-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, Chunfeng Yun, Ju 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-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> > --- > 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 3+ messages in thread
[parent not found: <1469785990.3012.35.camel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>]
* Re: [PATCH v4] arm64: dts: mt8173: add mmsel clocks for 4K support [not found] ` <1469785990.3012.35.camel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> @ 2016-08-03 1:46 ` Bibby Hsieh 0 siblings, 0 replies; 3+ messages in thread From: Bibby Hsieh @ 2016-08-03 1:46 UTC (permalink / raw) To: Philipp Zabel Cc: Mark Rutland, devicetree-u79uwXL29TY76Z2rM5mHXA, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, Rob Herring, Pawel Moll, Ian Campbell, Kumar Gala, Catalin Marinas, Will Deacon, Matthias Brugger, Daniel Kurtz, Yingjoe Chen, Sascha Hauer, James Liao, Lorenzo Pieralisi, YH Huang, CK Hu, Yong Wu, Eddie Huang, dawei.chien-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org, Chunfeng Yun Hi, Philipp, On Fri, 2016-07-29 at 11:53 +0200, Philipp Zabel wrote: > 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-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> > > --- > > 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. > Ok, I will change that, thanks for your review. -- Bibby > best regards > Philipp > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 3+ messages in thread
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2016-07-29 9:09 [PATCH v4] arm64: dts: mt8173: add mmsel clocks for 4K support Bibby Hsieh
[not found] ` <1469783388-56804-1-git-send-email-bibby.hsieh-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2016-07-29 9:53 ` Philipp Zabel
[not found] ` <1469785990.3012.35.camel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2016-08-03 1:46 ` Bibby Hsieh
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