From nobody Fri Oct 3 21:41:52 2025 Received: from mail.andi.de1.cc (mail.andi.de1.cc [178.238.236.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7AEF314B953; Sun, 24 Aug 2025 22:08:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.238.236.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756073286; cv=none; b=W+QwGf9Bu4e9B4hTMDShJSoEZvyobhNoGYbqZ4l2O3aPJEXNLUM1oTWHygME7xMePqDjnSeRLNCSiAhtjvUOukhrQeoUZTBbhS1xvGCtscLfAhUoip+j5Atizg3W0IcCh4pLLHupRLRepS8kFQG6f8TkV8sGASu6WlhmVraxm54= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756073286; c=relaxed/simple; bh=JmWguJqBi+J6UCLRUwSlxPGfZwJVr4FPhT5TyB6Vwek=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=axHEIC1Qov21yU282GEECXPfb1ywISArKB4LAFt3ZMZENlRZjRXoy8WiI6V+LKEtXOVqYjI+zC3h9RMleTqOmsACVDZ2bcoUl+gSSRhUCOE9TK0h5uX46V+i0aMwphMAb4vDtrt2wdEHVdK6ntgCRtMlqZyy21gNqBbzZ7wETnQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info; spf=pass smtp.mailfrom=kemnade.info; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b=T7qrSz04; arc=none smtp.client-ip=178.238.236.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kemnade.info Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b="T7qrSz04" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20220719; h=Cc:In-Reply-To:References:From:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=rKO4zT7vzvCx/0bG5tGPhwMZqbrVhZfe+6sJ40iyBsk=; b=T7qrSz04Htqmiu9gSRkvVIl3e0 GCPQkpB+1w8TcIqtdH1u0X48Q4qr56Jhc2rl/CGGaeZ7Y/sn0rNAyg/Ywak0Guwg2jNeTK32C+0j1 /8mJtiqsS7pYDHzxaqWbuTFdn34HW+a7vsJRqcDS2ran9ReQKw8sg9JCgdadTrKUFp14grr28F9FD eloVf0LXcaO9cbb6UnXmf98pnYHAJlIObSH9oTfQUMYbBptjGWHpzi7iw59TxizLatuhfShnc6m4r C5UA5nv5FFz8mITcvGf38Gkg57NQVyEbzhZSnP15JdE9y2WkP4X+YZXbVcKo8lMLcMbR/VeYEpQJp Y/aasPNQ==; From: Andreas Kemnade Date: Mon, 25 Aug 2025 00:07:28 +0200 Subject: [PATCH RFC 1/3] dt-bindings: input: elan: Introduce Elan eKTP1059 Touchpad Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250825-ektp-submit-v1-1-1dd476c1277b@kemnade.info> References: <20250825-ektp-submit-v1-0-1dd476c1277b@kemnade.info> In-Reply-To: <20250825-ektp-submit-v1-0-1dd476c1277b@kemnade.info> To: Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Henrik Rydberg , Tony Lindgren , hns@goldelico.com Cc: linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, Andreas Kemnade X-Mailer: b4 0.15-dev-50721 X-Developer-Signature: v=1; a=openpgp-sha256; l=1548; i=andreas@kemnade.info; h=from:subject:message-id; bh=JmWguJqBi+J6UCLRUwSlxPGfZwJVr4FPhT5TyB6Vwek=; b=owGbwMvMwCEm/rzkS6lq2x3G02pJDBmrey3CC78Xuk9bP4HrXvInHbuvt2XZT33eeVTiacDfr jnSkw6VdJSyMIhxMMiKKbL8slZw+6TyLDd4aoQ9zBxWJpAhDFycAjCRBGWG/3E3alfqR8u+ONu6 LMwn+md8kf1NwfCcAy/OasxSL2x9PIvhf65gdO+Evp4/qRfnZTno3nn05uyPSXVnJF5kcOnxzZ1 mwgYA X-Developer-Key: i=andreas@kemnade.info; a=openpgp; fpr=EEC0DB858E66C0DA70620AC07DBD6AC74DE29324 The Elan eKTP1059 Touchpad is seen in the Epson Moverio BT-200 attached via SPI. Add a binding for this chip. Little is known. Signed-off-by: Andreas Kemnade --- .../devicetree/bindings/input/elan,ektp1059.yaml | 45 ++++++++++++++++++= ++++ 1 file changed, 45 insertions(+) diff --git a/Documentation/devicetree/bindings/input/elan,ektp1059.yaml b/D= ocumentation/devicetree/bindings/input/elan,ektp1059.yaml new file mode 100644 index 000000000000..a10256a271e0 --- /dev/null +++ b/Documentation/devicetree/bindings/input/elan,ektp1059.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/elan,ektp1059.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Elantech SPI Touchpad + +maintainers: + - Andreas Kemnade + +allOf: + - $ref: touchscreen/touchscreen.yaml# + +properties: + compatible: + const: elan,ektp1059 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include + spi { + #address-cells =3D <1>; + #size-cells =3D <0>; + + touchpad@0 { + compatible =3D "elan,ektp1059"; + reg =3D <0x0>; + interrupt-parent =3D <&gpio4>; + interrupts =3D <0x0 IRQ_TYPE_LEVEL_LOW>; + }; + }; --=20 2.39.5