[PATCH] arm64: dts: exynos: increase bus frequency for MHL chip

Andrzej Hajda a.hajda at samsung.com
Fri Dec 1 11:33:51 UTC 2017


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 at samsung.com>
---
 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 at 39 {
 		reg = <0x39>;
-- 
2.15.0



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