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H:DM5PR11MB1242.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: ZDUeEI8RvlPricqZuG2tSEK36Q++fkW6cEsawFHbzHGoiLIjHK+7WNoV03JCXhCCv7jEZF6RxQW3HJSEskrrEi74TdClzdshebO3Ycocodb/VOX2iPgvgu2JekjOU8sfM5ENcJCHMbe5TVesha8roIphT0cGCmu+zk7ju0EJQurnCC+3xR9Xls0PEJMB2yZhjOrZcBNLPaqH0/3bPQ8asExYNcgkV4UeR2OzNT2tqyQE1Fj1diCoRxLuq+Er/0cSsJnI153UAv1gLdQwVARqZEhqAWDiqMly+8wRRniDuMYpX9TaivC7sTYPlNIGurQ3RKAixy4V+47bF6wf8EDbqZNNK/n5GFxlHHLL2Lg4R0fzVpo6ui+7+hfyawQCMv89kFyEMAUhBrUmpfg7q5auSx9gRu+pWKfG0U15NkqYlNA= MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 850c5c55-98df-4ef8-d9aa-08d6f943cccc X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Jun 2019 08:04:51.9641 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: eugen.hristev@microchip.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR11MB1289 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org From: Eugen Hristev Add binding specificatoin for digital filter inside the i2c controller Signed-off-by: Eugen Hristev --- Documentation/devicetree/bindings/i2c/i2c-at91.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt index 2210f43..8268595 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt @@ -20,6 +20,9 @@ Optional properties: capable I2C controllers. - i2c-sda-hold-time-ns: TWD hold time, only available for "atmel,sama5d4-i2c" and "atmel,sama5d2-i2c". +- enable-dig-filt: Enable the built-in digital filter on the i2c lines, + specifically required depending on the hardware PCB/board and if the + version of the controller includes it. - Child nodes conforming to i2c bus binding Examples : @@ -56,6 +59,7 @@ i2c0: i2c@f8034600 { clocks = <&flx0>; atmel,fifo-size = <16>; i2c-sda-hold-time-ns = <336>; + enable-dig-filt; wm8731: wm8731@1a { compatible = "wm8731";