From patchwork Fri Aug 18 06:20:45 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mylene JOSSERAND X-Patchwork-Id: 9907673 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 B14A560382 for ; Fri, 18 Aug 2017 06:24:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A3D0E2766D for ; Fri, 18 Aug 2017 06:24:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9861327F94; Fri, 18 Aug 2017 06:24:18 +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=unavailable 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 48D4C2766D for ; Fri, 18 Aug 2017 06:24:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751108AbdHRGXs (ORCPT ); Fri, 18 Aug 2017 02:23:48 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:55771 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751027AbdHRGXp (ORCPT ); Fri, 18 Aug 2017 02:23:45 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id D1A7A20EA2; Fri, 18 Aug 2017 08:23:42 +0200 (CEST) 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 95DD8208CA; Fri, 18 Aug 2017 08:23:32 +0200 (CEST) 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 v2 2/2] dt-bindings: input: Add documentation for cyttsp5 Date: Fri, 18 Aug 2017 08:20:45 +0200 Message-Id: <20170818062045.31280-3-mylene.josserand@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170818062045.31280-1-mylene.josserand@free-electrons.com> References: <20170818062045.31280-1-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. Signed-off-by: Mylène Josserand Acked-by: Rob Herring --- .../bindings/input/touchscreen/cypress,cyttsp5.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 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..3fc4cad1cbb9 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/cypress,cyttsp5.txt @@ -0,0 +1,41 @@ +* 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>; + + pinctrl-names = "default"; + pinctrl-0 = <&tp_reset_ds203>; + interrupt-parent = <&pio>; + interrupts = <1 5 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; + touchscreen-swapped-x-y; + linux,keycodes = , , ; + }; +};