From: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
Add properties for i2c filters for i2c0 and i2c1 on sama5d27_som1_ek.
Noise is affecting communication on i2c for example when connecting i2c
camera sensors.
Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
index fca5716..b6a22bb 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
+++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
@@ -123,6 +123,9 @@
flx1: flexcom@f8038000 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
+ i2c-analog-filter;
+ i2c-digital-filter;
+ i2c-digital-filter-width-ns = <35>;
status = "okay";
i2c2: i2c@600 {
@@ -246,6 +249,9 @@
i2c1: i2c@fc028000 {
dmas = <0>, <0>;
+ i2c-analog-filter;
+ i2c-digital-filter;
+ i2c-digital-filter-width-ns = <35>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1_default>;
status = "okay";
--
2.7.4
