linux-kernel - [PATCH] ARM: dts: at91: sama5d2_icp: enable digital filter for I2C nodes

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Message-ID: <20210727110206.1336773-1-codrin.ciubotariu@microchip.com>
Date:   Tue, 27 Jul 2021 14:02:06 +0300
From:   Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
To:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <robh+dt@...nel.org>, <nicolas.ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <ludovic.desroches@...rochip.com>,
        "Codrin Ciubotariu" <codrin.ciubotariu@...rochip.com>
Subject: [PATCH] ARM: dts: at91: sama5d2_icp: enable digital filter for I2C nodes

SAMA5D2's I2C controller supports digital filter, so let's enable it.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>
---
 arch/arm/boot/dts/at91-sama5d2_icp.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/at91-sama5d2_icp.dts b/arch/arm/boot/dts/at91-sama5d2_icp.dts
index bd64721fa23c..1c235fc5f788 100644
--- a/arch/arm/boot/dts/at91-sama5d2_icp.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_icp.dts
@@ -184,6 +184,8 @@ i2c6: i2c@600 {
 		dmas = <0>, <0>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_flx4_default>;
+		i2c-digital-filter;
+		i2c-digital-filter-width-ns = <35>;
 		status = "okay";
 
 		mcp16502@5b {
@@ -307,6 +309,8 @@ regulator-state-mem {
 &i2c0 { /* mikrobus i2c */
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_mikrobus_i2c>;
+	i2c-digital-filter;
+	i2c-digital-filter-width-ns = <35>;
 	status = "okay";
 };
 
@@ -314,6 +318,8 @@ &i2c1 {
 	dmas = <0>, <0>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c1_default>;
+	i2c-digital-filter;
+	i2c-digital-filter-width-ns = <35>;
 	status = "okay";
 
 	eeprom@50 {
-- 
2.30.2