From patchwork Wed Sep 27 11:37:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mylene JOSSERAND X-Patchwork-Id: 9973835 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 0E655603FA for ; Wed, 27 Sep 2017 11:39:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EDCC328AB9 for ; Wed, 27 Sep 2017 11:39:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E1E2C28ABE; Wed, 27 Sep 2017 11:39:12 +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 535CD28AD0 for ; Wed, 27 Sep 2017 11:39:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751959AbdI0Lia (ORCPT ); Wed, 27 Sep 2017 07:38:30 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:60985 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752521AbdI0LiT (ORCPT ); Wed, 27 Sep 2017 07:38:19 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id 5594A2079D; Wed, 27 Sep 2017 13:38:17 +0200 (CEST) Received: from dell-desktop.par1.mozilla.com (unknown [195.81.232.10]) by mail.free-electrons.com (Postfix) with ESMTPSA id 2C9D4208D2; Wed, 27 Sep 2017 13:38:07 +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, thomas.petazzoni@free-electrons.com, maxime.ripard@free-electrons.com, mylene.josserand@free-electrons.com Subject: [PATCH v3 2/2] dt-bindings: input: Add documentation for cyttsp5 Date: Wed, 27 Sep 2017 13:37:47 +0200 Message-Id: <20170927113747.2770-3-mylene.josserand@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170927113747.2770-1-mylene.josserand@free-electrons.com> References: <20170927113747.2770-1-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 = , , ; + }; +};