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Mon, 25 Nov 2019 09:27:41 +0000 From: To: , , Subject: [PATCH] ARM: dts: at91: sama5d27_som1_ek: add i2c filters properties Thread-Topic: [PATCH] ARM: dts: at91: sama5d27_som1_ek: add i2c filters properties Thread-Index: AQHVo3KV0xMhN6t/20m55125H3GPJA== Date: Mon, 25 Nov 2019 09:27:41 +0000 Message-ID: <1574674036-5589-1-git-send-email-eugen.hristev@microchip.com> Accept-Language: en-US, ro-RO Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: CWLP123CA0087.GBRP123.PROD.OUTLOOK.COM (2603:10a6:401:5b::27) To DM5PR11MB1242.namprd11.prod.outlook.com (2603:10b6:3:14::8) x-mailer: git-send-email 2.7.4 x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 931124ed-af91-4e0c-c467-08d77189b81a x-ms-traffictypediagnostic: DM5PR11MB1468: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1227; x-forefront-prvs: 0232B30BBC x-forefront-antispam-report: SFV:NSPM; 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X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [68.232.149.84 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Eugen.Hristev@microchip.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Eugen Hristev 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 --- 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 = ; + 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";