From patchwork Fri Feb 28 01:55:18 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Boyd X-Patchwork-Id: 324988 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 4341A2C009B for ; Fri, 28 Feb 2014 12:56:19 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750999AbaB1B4B (ORCPT ); Thu, 27 Feb 2014 20:56:01 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:36062 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752054AbaB1Bz0 (ORCPT ); Thu, 27 Feb 2014 20:55:26 -0500 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id F39E413F128; Fri, 28 Feb 2014 01:55:25 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id E700913F12D; Fri, 28 Feb 2014 01:55:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-caf-smtp.dmz.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.3.1 Received: from sboyd-linux.qualcomm.com (i-global252.qualcomm.com [199.106.103.252]) (using TLSv1.1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: sboyd@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 4FA7313F128; Fri, 28 Feb 2014 01:55:25 +0000 (UTC) From: Stephen Boyd To: Dmitry Torokhov Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Josh Cartwright , linux-input@vger.kernel.org, Subject: [PATCH v4 7/9] devicetree: bindings: Document PM8921/8058 keypads Date: Thu, 27 Feb 2014 17:55:18 -0800 Message-Id: <1393552520-9068-8-git-send-email-sboyd@codeaurora.org> X-Mailer: git-send-email 1.9.0.1.gd5ccf8c In-Reply-To: <1393552520-9068-1-git-send-email-sboyd@codeaurora.org> References: <1393552520-9068-1-git-send-email-sboyd@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the keypad device found on PM8921 and PM8058 PMICs. Cc: Signed-off-by: Stephen Boyd --- .../bindings/input/qcom,pm8xxx-keypad.txt | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt diff --git a/Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt b/Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt new file mode 100644 index 000000000000..aa5a9c6cf512 --- /dev/null +++ b/Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt @@ -0,0 +1,72 @@ +Qualcomm PM8xxx PMIC Keypad + +PROPERTIES + +- compatible: + Usage: required + Value type: + Definition: must be one of: + "qcom,pm8058-keypad" + "qcom,pm8921-keypad" +- interrupts: + Usage: required + Value type: + Definition: the first interrupt specifies the key sense interrupt + and the second interrupt specifies the key stuck interrupt. + The format of the specifier is defined by the binding + document describing the node's interrupt parent. + +- linux,keymap: + Usage: required + Value type: + Definition: the linux keymap. More information can be found in + input/matrix-keymap.txt. + +- keypad,num-rows: + Usage: required + Value type: + Definition: number of rows in the keymap. More information can be found + in input/matrix-keymap.txt. + +- keypad,num-columns: + Usage: required + Value type: + Definition: number of columns in the keymap. More information can be + found in input/matrix-keymap.txt. + +- debounce: + Usage: optional + Value type: + Definition: time in microseconds that key must be pressed or release + for key sense interrupt to trigger. + +- scan-delay: + Usage: optional + Value type: + Definition: time in microseconds to pause between successive scans + of the matrix array. + +- row-hold: + Usage: optional + Value type: + Definition: time in nanoseconds to pause between scans of each row in + the matrix array. + +EXAMPLE + + keypad { + compatible = "qcom,pm8921-keypad"; + interrupt-parent = <&pmicintc>; + interrupts = <74 1>, <75 1>; + linux,keymap = < + MATRIX_KEY(0, 0, KEY_VOLUMEUP) + MATRIX_KEY(0, 1, KEY_VOLUMEDOWN) + MATRIX_KEY(0, 2, KEY_CAMERA_FOCUS) + MATRIX_KEY(0, 3, KEY_CAMERA) + >; + keypad,num-rows = <1>; + keypad,num-columns = <5>; + debounce = <15>; + scan-delay = <32>; + row-hold = <91500>; + };