From patchwork Fri Dec 27 01:37:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fengping Yu X-Patchwork-Id: 11310847 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 4D36D14B7 for ; Fri, 27 Dec 2019 04:06:11 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 195DA20828 for ; Fri, 27 Dec 2019 04:06:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="iwNHDvs7"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="ClsM3+gW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 195DA20828 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-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=NyAePVnjr/umfq64QnaoxAvZjN0Mm9Nc68ttPb/UsMY=; b=iwNHDvs7Pl3yZG OMl1kDpC7/y+4VVDckny2/PFXcvOwZdorSuSoF0LC/3w4m1P5c0THm3dBrKsKK56bYKOzI+gSHi4M XNY66vNUTWRdUIt/aqKMaTCUXsL9K1hEAPcF9+9IUQvICf433871YR/COL+HMBMbGS9HrJhqfV1PV YTJKwoQ2EVrc3S3yHyZ+R7h7U6ykdvrYxedWCPu2YnnNSH08LSGyYA8TaIIRhHBM++jqL+X+OOuSn 2bpx9PiKK3ezxUXb1BlRrChhXAgfFvfYIXw9znr5UvbfqeG2ErFeojbNaaKNGL6cW83e8uxfG5ujq 9nhL/HHtE3MlvQ7uMjvA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ikgt6-00057c-BE; Fri, 27 Dec 2019 04:06:08 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ikgt2-00055y-QP for linux-mediatek@lists.infradead.org; Fri, 27 Dec 2019 04:06:06 +0000 X-UUID: f9f6b672349c4b2284e05f5f714a4048-20191226 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=jcoI7sSAP0WUWoL73vFfOHM1Cxi2u4vd3UC1VSbMP/c=; b=ClsM3+gWOPHDYowwfrRNRzwqyunvsA5H/B8ZVAxUL6qF5jZC97KK75eypAX3yNJ59bkuqJ9kXTATXO+WdXtpZhAm3JAP/SP180YS2x1XnhbYTaf0wQXsjM5ott5GBHCPv9XpWRKB64obXVqYpbvwHjILj/pljMSf9DLLugsz8aI=; X-UUID: f9f6b672349c4b2284e05f5f714a4048-20191226 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1852391995; Thu, 26 Dec 2019 20:05:59 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 26 Dec 2019 18:26:56 -0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 27 Dec 2019 09:38:41 +0800 Received: from localhost.localdomain (10.15.20.246) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 27 Dec 2019 09:38:52 +0800 From: fengping yu To: Matthias Brugger Subject: [PATCH V2 1/2] Documentation: devicetree: bindings: input Date: Fri, 27 Dec 2019 09:37:21 +0800 Message-ID: <20191227013722.12201-2-fengping.yu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191227013722.12201-1-fengping.yu@mediatek.com> References: <20191227013722.12201-1-fengping.yu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191226_200604_865923_777B6FC8 X-CRM114-Status: UNSURE ( 9.62 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [216.200.240.184 listed in list.dnswl.org] -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 Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -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-mediatek@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, "fengping.yu" , linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, wsd_upstream@mediatek.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: "fengping.yu" Add mtk keypad device tree documentation. Change-Id: I415b76ee980784992763c768829b2dda76699dea Signed-off-by: fengping.yu --- .../devicetree/bindings/input/mtk-kpd.txt | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/mtk-kpd.txt diff --git a/Documentation/devicetree/bindings/input/mtk-kpd.txt b/Documentation/devicetree/bindings/input/mtk-kpd.txt new file mode 100644 index 000000000000..2af81e696159 --- /dev/null +++ b/Documentation/devicetree/bindings/input/mtk-kpd.txt @@ -0,0 +1,45 @@ +* Mediatek's Keypad Controller device tree binding + +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. + +Required properties: +- compatible should contain: + * "mediatek,mt6779-keypad" for MT6779 keypad + * "mediatek,kp" for common keypad + +- reg: The base address of the Keypad register bank. + +- interrupts: A single interrupt specifier. + +- mediatek,key-debounce-ms: Debounce interval in milliseconds, maximum value + is 256ms + +- mediatek,hw-map-num: Number of entries of keycode in mediatek,hw-init-map + +- mediatek,hw-init-map: An array of packed 1-cell entries containing the + equivalent of hw-map-num linux key-code. Each cell is Linux keymap of + corresponding row/col, arrange like this: + + row0col0, row0col1, row0col2,...row0col8, + row1col0, row1col1, row1col2,...row1col8, + ... + row7col0, row7col1, row7col2,...row7col8. + +Example: + + keypad: kp@10010000 { + compatible = "mediatek,mt6779-keypad", "mediatek,kp"; + reg = <0 0x10010000 0 0x1000>; + interrupts = ; + }; + + &keypad { + mediatek,key-debounce-ms = <1024>; + /*HW Keycode [0~71] -> Linux Keycode*/ + mediatek,khw-map-num = <72>; + mediatek,hw-init-map = <114 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 >; + };