From patchwork Fri Dec 1 15:39:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mylene JOSSERAND X-Patchwork-Id: 10087303 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9E96360327 for ; Fri, 1 Dec 2017 15:41:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 99A1C2A5F5 for ; Fri, 1 Dec 2017 15:41:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8EA022A5F7; Fri, 1 Dec 2017 15:41:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0ACBD2A5F6 for ; Fri, 1 Dec 2017 15:41:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751405AbdLAPlE (ORCPT ); Fri, 1 Dec 2017 10:41:04 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:39820 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751950AbdLAPlC (ORCPT ); Fri, 1 Dec 2017 10:41:02 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id 691FA20741; Fri, 1 Dec 2017 16:41:00 +0100 (CET) Received: from dell-desktop.lan (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 266E82037A; Fri, 1 Dec 2017 16:41:00 +0100 (CET) From: =?UTF-8?q?Myl=C3=A8ne=20Josserand?= To: dmitry.torokhov@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, devicetree@vger.kernel.org, mylene.josserand@free-electrons.com, thomas.petazzoni@free-electrons.com, maxime.ripard@free-electrons.com Subject: [PATCH v4 2/2] dt-bindings: input: Add documentation for cyttsp5 Date: Fri, 1 Dec 2017 16:39:57 +0100 Message-Id: <20171201153957.13053-3-mylene.josserand@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171201153957.13053-1-mylene.josserand@free-electrons.com> References: <20171201153957.13053-1-mylene.josserand@free-electrons.com> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add the Cypress TrueTouch Generation 5 touchscreen device tree bindings documentation. It can use I2C or SPI bus. This touchscreen can handle some defined zone that are designed and sent as button. To be able to customize the keycode sent, the "linux,keycodes" property can be used. Acked-by: Rob Herring Signed-off-by: Mylène Josserand --- .../bindings/input/touchscreen/cypress,cyttsp5.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/cypress,cyttsp5.txt diff --git a/Documentation/devicetree/bindings/input/touchscreen/cypress,cyttsp5.txt b/Documentation/devicetree/bindings/input/touchscreen/cypress,cyttsp5.txt new file mode 100644 index 000000000000..1e0e90e322c7 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/cypress,cyttsp5.txt @@ -0,0 +1,39 @@ +* Cypress cyttsp touchscreen controller, generation 5 + +Required properties: + - compatible : must be "cypress,cyttsp5" + - reg : Device I2C address or SPI chip select number + - interrupt-parent : the phandle for the gpio controller + (see interrupt binding[0]). + - interrupts : (gpio) interrupt to which the chip is connected + (see interrupt binding[0]). + +Optional properties: + - reset-gpios : the reset gpio the chip is connected to + (see GPIO binding[1] for more details). +Some other touchscreen optional properties can be defined such as +"touchscreen-size-x". See ./touchscreen.txt[2] for more details. + +This touchscreen can handle some buttons that are touchscreen's defined zones. +Each button's event can be customized using a property: + - linux,keycodes: List of keycode to emit. + +[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +[1]: Documentation/devicetree/bindings/gpio/gpio.txt +[2]: Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt + +Example: +&i2c0 { + [...] + + touchscreen@24 { + compatible = "cypress,cyttsp5"; + reg = <0x24>; + + interrupt-parent = <&pio>; + interrupts = <1 5 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; + touchscreen-swapped-x-y; + linux,keycodes = , , ; + }; +};