* [PATCH] arm64: dts: exynos: increase bus frequency for MHL chip
[not found] <CGME20171201113426eucas1p247ef5f5113c466409f0a001297aaf9b6@eucas1p2.samsung.com>
@ 2017-12-01 11:33 ` Andrzej Hajda
2017-12-04 16:51 ` Krzysztof Kozlowski
0 siblings, 1 reply; 2+ messages in thread
From: Andrzej Hajda @ 2017-12-01 11:33 UTC (permalink / raw
To: Krzysztof Kozlowski
Cc: Andrzej Hajda, Bartlomiej Zolnierkiewicz, Marek Szyprowski,
linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA,
devicetree-u79uwXL29TY76Z2rM5mHXA,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
sii8620 supports 1MHz clock, it allows faster transmissions and according
to extensive tests allows to mitigate some obscure bugs in I2C client
logic of the chip.
Signed-off-by: Andrzej Hajda <a.hajda-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
index 39b1ca0ef4cd..a4b1d9ba7e4b 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
@@ -778,6 +778,7 @@
&hsi2c_7 {
status = "okay";
+ clock-frequency = <1000000>;
sii8620@39 {
reg = <0x39>;
--
2.15.0
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] arm64: dts: exynos: increase bus frequency for MHL chip
2017-12-01 11:33 ` [PATCH] arm64: dts: exynos: increase bus frequency for MHL chip Andrzej Hajda
@ 2017-12-04 16:51 ` Krzysztof Kozlowski
0 siblings, 0 replies; 2+ messages in thread
From: Krzysztof Kozlowski @ 2017-12-04 16:51 UTC (permalink / raw
To: Andrzej Hajda
Cc: linux-samsung-soc, devicetree, Marek Szyprowski, dri-devel,
Bartlomiej Zolnierkiewicz
On Fri, Dec 01, 2017 at 12:33:51PM +0100, Andrzej Hajda wrote:
> sii8620 supports 1MHz clock, it allows faster transmissions and according
> to extensive tests allows to mitigate some obscure bugs in I2C client
> logic of the chip.
>
> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
> ---
> arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
Thanks, applied.
Best regards,
Krzysztof
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2017-12-01 11:33 ` [PATCH] arm64: dts: exynos: increase bus frequency for MHL chip Andrzej Hajda
2017-12-04 16:51 ` Krzysztof Kozlowski
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