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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-02-10 02:36:36 +0100
committerThierry Reding <treding@nvidia.com>2018-03-08 16:08:20 +0100
commit1c3389e6cb99d36196df322dd40aa73cd06f983b (patch)
tree1574348875f3e21899baa011efeb17fce79c423e /arch/arm/boot/dts/tegra30-apalis-eval.dts
parentARM: tegra: venice2: Remove duplicate pcie-1 node (diff)
downloadlinux-dev-1c3389e6cb99d36196df322dd40aa73cd06f983b.tar.xz
linux-dev-1c3389e6cb99d36196df322dd40aa73cd06f983b.zip
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 <marcel.ziswiler@toradex.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch/arm/boot/dts/tegra30-apalis-eval.dts')
-rw-r--r--arch/arm/boot/dts/tegra30-apalis-eval.dts2
1 files changed, 1 insertions, 1 deletions
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";