From patchwork Fri Dec 27 01:34:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fengping Yu X-Patchwork-Id: 11310849 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 9F6611395 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 70D5F20828 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="Dtkh8PIl"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="lwljGazc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 70D5F20828 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=zuhW2yAJyHtX4Xcw62pxWMDGqF6/2WusxXZsopo7Ac4=; b=Dtkh8PIlgqtZT0 RLob1LHEDVBzm/wGaZbcGRTREoLtwZj+fACzDDhodqmfEoFnszYYgBjxM9CD1hLMwCEj8b6lhEnC2 tWgq8CD+geNFR0BeW53EXR72aPLnQ4De+it/xavyFH+cSN8C64yNUty3U9ZxFJKsauCEOc//gjA+l zTs8hG/Kb+r/QjLMi0BMZMfmeKEgE3wVE8yR17X9hjfSNfU6hSn4jgN0MntehHVBII9lusJkWJxvc QcXE1EOqa9dbyufNKg2FZlJ/OIOdbYJ6YC0Lj3pQeym7RptLptn6fS+bGUJ+j7wduKdLdxzqgkArE 7/ke+DM+tr9cmTkm54Fg==; 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 1ikgt7-00058R-3w; Fri, 27 Dec 2019 04:06:09 +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 1ikgt3-00055z-D1 for linux-mediatek@lists.infradead.org; Fri, 27 Dec 2019 04:06:06 +0000 X-UUID: 1a89e587ff2c43b59398ee2bd7fb29a5-20191226 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=xA1GO3JHHJIiqP2n/wuG5wg+lkfhQRMOylvohUx+jN0=; b=lwljGazcWshLL4D4sc2870esLSWyAgiVyR3XuiNtItLZ2dCl1gGrpCc160ODjrHUVuzFyKdEBl7+ocA3PR+toKv5XLDgxoM7o9DK5z/21qjUO+awzPnkYf/iYohmwLN+cqLAk0ADugaucgTAONCzpQJGCuoNVOyKGbq70aASxWg=; X-UUID: 1a89e587ff2c43b59398ee2bd7fb29a5-20191226 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 320017568; 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 18:27:17 -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 09:34:59 +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 09:35:10 +0800 From: fengping.yu To: Matthias Brugger Subject: [PATCH V2 1/2] Documentation: devicetree: bindings: input Date: Fri, 27 Dec 2019 09:34:17 +0800 Message-ID: <20191227013418.19842-2-fengping.yu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191227013418.19842-1-fengping.yu@mediatek.com> References: <20191227013418.19842-1-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_200605_442170_C8D57919 X-CRM114-Status: UNSURE ( 9.32 ) X-CRM114-Notice: Please train this message. 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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 >; + };