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| author | Eugen Hristev <eugen.hristev@microchip.com> | 2019-12-05 08:43:59 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-12-09 20:23:43 +0100 |
| commit | e52a033610b0f220f488faaf579a61d7ab31616a (patch) | |
| tree | 3e7fe21d89498a10d9a48dc9b6d737c6616f0a13 | |
| parent | ARM: dts: at91: sama5d27_wlsom1: add SAMA5D27 wlsom1 and wlsom1-ek (diff) | |
| download | linux-e52a033610b0f220f488faaf579a61d7ab31616a.tar.xz linux-e52a033610b0f220f488faaf579a61d7ab31616a.zip | |
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 <eugen.hristev@microchip.com>
Link: https://lore.kernel.org/r/1575531818-21332-1-git-send-email-eugen.hristev@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
| -rw-r--r-- | arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 6 |
1 files changed, 6 insertions, 0 deletions
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"; |