From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754608AbdDDPbP (ORCPT ); Tue, 4 Apr 2017 11:31:15 -0400 Received: from ec2-52-27-115-49.us-west-2.compute.amazonaws.com ([52.27.115.49]:35444 "EHLO osg.samsung.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754585AbdDDPbJ (ORCPT ); Tue, 4 Apr 2017 11:31:09 -0400 From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Aaro Koskinen , devicetree@vger.kernel.org, Rob Herring , Tony Lindgren , Lee Jones , Javier Martinez Canillas , Mark Rutland Subject: [PATCH v4 1/8] dt-bindings: mfd: Add retu/tahvo ASIC chips bindings Date: Tue, 4 Apr 2017 11:30:29 -0400 Message-Id: <20170404153036.6651-2-javier@osg.samsung.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170404153036.6651-1-javier@osg.samsung.com> References: <20170404153036.6651-1-javier@osg.samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There are Device Tree source files defining a device node for the retu/tahvo I2C chip, but there isn't a DT binding document for it. Signed-off-by: Javier Martinez Canillas --- Changes in v4: - Use "dt-bindings: mfd:" prefix in subject line (Rob Herring). - Add information about what functions the device serve (Lee Jones). - Avoid using MFD in Device Tree (Lee Jones). Changes in v3: None Changes in v2: None Documentation/devicetree/bindings/mfd/retu.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/retu.txt diff --git a/Documentation/devicetree/bindings/mfd/retu.txt b/Documentation/devicetree/bindings/mfd/retu.txt new file mode 100644 index 000000000000..7df21a2b28ea --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/retu.txt @@ -0,0 +1,21 @@ +* Device tree bindings for Nokia Retu and Tahvo multi-function device + +Retu and Tahvo are a multi-function devices found on Nokia Internet +Tablets (770, N800 and N810). The Retu chip provides watchdog timer +and power button control functionalities while Tahvo chip provides +USB transceiver functionality. + +Required properties: +- compatible: "nokia,retu" or "nokia,tahvo" +- reg: Specifies the I2C slave address of the ASIC chip + +Example: + +i2c0 { + retu: retu@1 { + compatible = "nokia,retu"; + interrupt-parent = <&gpio4>; + interrupts = <12 IRQ_TYPE_EDGE_RISING>; + reg = <0x1>; + }; +}; -- 2.9.3