arm64: dts: exynos: Increase bus frequency for MHL chip

sii8620 supports 1 MHz 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>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
index 5028d7352856..2e4bc94e9b8b 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
@@ -769,6 +769,7 @@
 
 &hsi2c_7 {
         status = "okay";
+        clock-frequency = <1000000>;
 
         sii8620@39 {
                 reg = <0x39>;