From patchwork Tue Jul 14 09:20:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fengping Yu X-Patchwork-Id: 11662173 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 32BBF13B1 for ; Tue, 14 Jul 2020 09:36:24 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F3B78217A0 for ; Tue, 14 Jul 2020 09:36:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="EYWSjOo3"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="pK6hzCTb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F3B78217A0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=rOGxjEvULHBu7OJUEqohWSjqZ1iy9gqJD8Ogu+H48AQ=; b=EYWSjOo3LCpkDB1ig0KH4/3EZ NQBK4Rk8zNbQfUDhzjFJVVq+sxFVkMYl0S1QqhkBrdBUZl0uDdZ703U2h0ERt4yX8clVdpYyyWSHY 77kPaPqbbl6qkc+IQ7oqmNXIQxX05h8k2IvvX3B81jhCpT7XNlFEKLMDgQDOzX6puJ/7tLIxyMqC+ vR9M0T7YGWBHKBCSWxz87itdY6hrkzAIoaZzYHI8oYTirhrVSssNk0wczAvAwU1Q9X9hT5+RC8VWE t+pgN3mo+6r21133dp+l1Y/O3hmw2LBky5/tttnLD4+6b8PLkEPTuBzD2ubswpXCMQsEjeb5LIiVE s9ynLcyog==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvHK2-0003dN-MW; Tue, 14 Jul 2020 09:33:58 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvHJJ-0003Jp-5D; Tue, 14 Jul 2020 09:33:16 +0000 X-UUID: cc43cc0f465b482795dd35ad6753fcd1-20200714 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=P6qGyud4eOgJWhAsBEK1RhIt5CRQoFPxA7k9GVZT1RM=; b=pK6hzCTbPZ1sxBnfhCUtJ19SoIHEY2VG1pKNFVCqBXyBi5I9NHRpwkB0J4CuhZIgFxxZV+h1ik2VWpEoUUPNCCX43/4UwPufsTRPN7lT8b1EIPw5XqN0a6JCamSjvPigEf82+8WcgvmbN6sM10Yf9O2gZTpAZo5wm9FSJ/ZNGys=; X-UUID: cc43cc0f465b482795dd35ad6753fcd1-20200714 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1198001772; Tue, 14 Jul 2020 01:33:08 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 14 Jul 2020 02:23:04 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 14 Jul 2020 17:23:02 +0800 Received: from localhost.localdomain (10.15.20.246) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 14 Jul 2020 17:23:02 +0800 From: Fengping Yu To: Yingjoe Chen , Rob Herring , Dmitry Torokhov , "Andy Shevchenko" , Marco Felsch Subject: [PATCH v14 1/3] dt-bindings: Add keypad devicetree documentation Date: Tue, 14 Jul 2020 17:20:52 +0800 Message-ID: <20200714092053.16067-2-fengping.yu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200714092053.16067-1-fengping.yu@mediatek.com> References: <20200714092053.16067-1-fengping.yu@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 0DC67976A24A6C8DA0B1CE823BB8663B55D3E6BD824FE4F4E4C6714C8C3C15872000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200714_053314_681906_A63780A8 X-CRM114-Status: GOOD ( 15.01 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 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 -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines 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, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-input@vger.kernel.org, "fengping.yu" , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: "fengping.yu" Add Mediatek matrix keypad dt-bindings doc as yaml schema. Signed-off-by: fengping.yu --- .../devicetree/bindings/input/mtk-kpd.yaml | 96 +++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/mtk-kpd.yaml diff --git a/Documentation/devicetree/bindings/input/mtk-kpd.yaml b/Documentation/devicetree/bindings/input/mtk-kpd.yaml new file mode 100644 index 000000000000..3bf09e7395d0 --- /dev/null +++ b/Documentation/devicetree/bindings/input/mtk-kpd.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +version: 1 + +$id: http://devicetree.org/schemas/input/mtk-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek's Keypad Controller device tree bindings + +maintainer: + - Fengping Yu + +description: | + Mediatek's Keypad controller is used to interface a SoC with a matrix-type + keypad device. The keypad controller supports multiple row and column lines. + A key can be placed at each intersection of a unique row and a unique column. + The keypad controller can sense a key-press and key-release and report the + event using a interrupt to the cpu. + +properties: + compatible: + oneOf: + - const: "mediatek,mt6779-keypad" + - const: "mediatek,mt6873-keypad" + + clock-names: + description: Names of the clocks listed in clocks property in the same order + maxItems: 1 + + clocks: + description: Must contain one entry, for the module clock + refs: devicetree/bindings/clocks/clock-bindings.txt for details. + + interrupts: + description: A single interrupt specifier + maxItems: 1 + + linux,keymap: + description: The keymap for keys as described in the binding document + refs: devicetree/bindings/input/matrix-keymap.txt + minItems: 1 + maxItems: 16 + + pinctrl-0: + description: Specify pin control groups used for this controller + refs: devicetree/bindings/pinctrl/pinctrl-bindings.txt + + pinctrl-names: + description: Names for optional pin modes + maxItems: 1 + + reg: + description: The base address of the Keypad register bank + maxItems: 1 + + wakeup-source: + description: use any event on keypad as wakeup event + type: boolean + + keypad,num-columns: + description: Number of column lines connected to the keypad controller, + it is not equal to PCB columns number, instead you should add required value + for each IC + + keypad,num-rows: + description: Number of row lines connected to the keypad controller, it is + not equal to PCB rows number, instead you should add required value for each IC + + mediatek,debounce-us: + description: Debounce interval in microseconds, if not specified, the default + value is 16000 + maximum: 256000 + +required: + - compatible + - reg + - interrupts + - linux,keymap + - pinctrl + - clocks + - clock-names + +examples: + - | + + keypad: kp@10010000 { + compatible = "mediatek,mt6779-keypad"; + reg = <0 0x10010000 0 0x1000>; + linux,keymap = < MATRIX_KEY(0x00, 0x00, KEY_VOLUMEDOWN) >; + interrupts = ; + clocks = <&clk26m>; + clock-names = "kpd"; + pinctrl-names = "default"; + pinctrl-0 = <&kpd_gpios_def_cfg>; + };