From 1c3389e6cb99d36196df322dd40aa73cd06f983b Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler Date: Sat, 10 Feb 2018 02:36:36 +0100 Subject: ARM: tegra: Fix I2C bus frequencies on Apalis/Colibri Use a faster speed of 400 kbit/s for regular I2C busses. Use a slower speed of 10 kbit/s for DDC/EDID to improve reliability. Use a slower speed of 100 kbit/s for power I2C to be within specs of the LM95245 temperature sensor. While at it further annotate I2C pin usage. Signed-off-by: Marcel Ziswiler Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra30-apalis-eval.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm/boot/dts/tegra30-apalis-eval.dts') diff --git a/arch/arm/boot/dts/tegra30-apalis-eval.dts b/arch/arm/boot/dts/tegra30-apalis-eval.dts index 07b945b0391a..fdca527a2248 100644 --- a/arch/arm/boot/dts/tegra30-apalis-eval.dts +++ b/arch/arm/boot/dts/tegra30-apalis-eval.dts @@ -79,7 +79,7 @@ */ i2c@7000c000 { status = "okay"; - clock-frequency = <100000>; + clock-frequency = <400000>; pcie-switch@58 { compatible = "plx,pex8605"; -- cgit v1.2.3-59-g8ed1b