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>

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
index 5028d7352856783ac6aed1fe30efe3aa37f41c9c..2e4bc94e9b8b9a9695be8ef9e60dec250874017d 100644 (file)
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
@@ -769,6 +769,7 @@ stmfts: touchscreen@49 {
 
 &hsi2c_7 {
        status = "okay";
+       clock-frequency = <1000000>;
 
        sii8620@39 {
                reg = <0x39>;