From e52a033610b0f220f488faaf579a61d7ab31616a Mon Sep 17 00:00:00 2001 From: Eugen Hristev Date: Thu, 5 Dec 2019 07:43:59 +0000 Subject: [PATCH] ARM: dts: at91: sama5d27_som1_ek: add i2c filters properties 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 Link: https://lore.kernel.org/r/1575531818-21332-1-git-send-email-eugen.hristev@microchip.com Signed-off-by: Alexandre Belloni --- 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 fca5716ce44f..b0853bf7901c 100644 --- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts @@ -131,6 +131,9 @@ interrupts = <20 IRQ_TYPE_LEVEL_HIGH 7>; dmas = <0>, <0>; dma-names = "tx", "rx"; + i2c-analog-filter; + i2c-digital-filter; + i2c-digital-filter-width-ns = <35>; #address-cells = <1>; #size-cells = <0>; clocks = <&pmc PMC_TYPE_PERIPHERAL 20>; @@ -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"; -- 2.17.1