From patchwork Sun Sep 17 08:00:49 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Zhong X-Patchwork-Id: 814597 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3xw1md72lPz9sPs for ; Sun, 17 Sep 2017 18:01:21 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751529AbdIQIBI (ORCPT ); Sun, 17 Sep 2017 04:01:08 -0400 Received: from mailgw01.mediatek.com ([218.249.47.110]:44656 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751334AbdIQIBD (ORCPT ); Sun, 17 Sep 2017 04:01:03 -0400 X-UUID: 8661b841b5b049d7bc839ab434ba4ef2-20170917 Received: from mtkcas36.mediatek.inc [(172.27.4.250)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1440790555; Sun, 17 Sep 2017 16:00:51 +0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Sun, 17 Sep 2017 16:00:54 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Sun, 17 Sep 2017 16:00:50 +0800 From: Chen Zhong To: Dmitry Torokhov , Rob Herring , Lee Jones , Alexandre Belloni CC: Mark Rutland , Matthias Brugger , Eddie Huang , Alessandro Zummo , Andi Shyti , Jaechul Lee , Krzysztof Kozlowski , Linus Walleij , Chen Zhong , , , , , , Subject: [PATCH v4 2/5] dt-bindings: input: Add document bindings for mtk-pmic-keys Date: Sun, 17 Sep 2017 16:00:49 +0800 Message-ID: <1505635252-27716-3-git-send-email-chen.zhong@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1505635252-27716-1-git-send-email-chen.zhong@mediatek.com> References: <1505635252-27716-1-git-send-email-chen.zhong@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org This patch adds the device tree binding documentation for the MediaTek pmic keys found on PMIC MT6397/MT6323. Signed-off-by: Chen Zhong --- .../devicetree/bindings/input/mtk-pmic-keys.txt | 41 ++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/mtk-pmic-keys.txt diff --git a/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt b/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt new file mode 100644 index 0000000..fd48ff7 --- /dev/null +++ b/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt @@ -0,0 +1,41 @@ +MediaTek MT6397/MT6323 PMIC Keys Device Driver + +There are two key functions provided by MT6397/MT6323 PMIC, pwrkey +and homekey. The key functions are defined as the subnode of the function +node provided by MT6397/MT6323 PMIC that is being defined as one kind +of Muti-Function Device (MFD) + +For MT6397/MT6323 MFD bindings see: +Documentation/devicetree/bindings/mfd/mt6397.txt + +Required properties: +- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys" +- linux,keycodes: Specifies the numeric keycode values to + be used for reporting keys presses. The array can + contain up to 2 entries. + +Optional Properties: +- mediatek,wakeup-keys: Specifies each key can be used as a wakeup source + or not. This can be customized depends on board design. +- wakeup-source: PMIC keys can be used as wakeup sources. +- mediatek,long-press-mode: Long press key shutdown setting, 1 for + pwrkey only, 2 for pwrkey/homekey together, others for disabled. +- debounce-interval: Long press key shutdown debouncing interval time + in seconds. 0/1/2/3 for 8/11/14/5 seconds. If not specified defaults to 0. + +Example: + + pmic: mt6397 { + compatible = "mediatek,mt6397"; + + ... + + mt6397keys: mt6397keys { + compatible = "mediatek,mt6397-keys"; + linux,keycodes = <116>, <114>; + mediatek,wakeup-keys = <1>, <0>; + wakeup-source; + mediatek,long-press-mode = <1>; + debounce-interval = <0>; + }; + };