From patchwork Thu Jan 28 12:41:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joe Hung X-Patchwork-Id: 373543 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7711C433E6 for ; Thu, 28 Jan 2021 12:55:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6068C64DE1 for ; Thu, 28 Jan 2021 12:55:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231830AbhA1MzK (ORCPT ); Thu, 28 Jan 2021 07:55:10 -0500 Received: from mail.ilitek.com ([60.248.80.92]:51268 "EHLO cello.ilitek.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231868AbhA1My4 (ORCPT ); Thu, 28 Jan 2021 07:54:56 -0500 X-Greylist: delayed 368 seconds by postgrey-1.27 at vger.kernel.org; Thu, 28 Jan 2021 07:54:55 EST X-UUID: cc5ddf0934c44583a225f33af7a8f796-20210128 X-UUID: cc5ddf0934c44583a225f33af7a8f796-20210128 Received: from ex1.ili.com.tw [(192.168.1.131)] by cello.ilitek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.12 Build 0701 with TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 128/128) with ESMTP id 2071504771; Thu, 28 Jan 2021 20:41:28 +0800 Received: from EX1.ili.com.tw (192.168.1.131) by EX1.ili.com.tw (192.168.1.131) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 28 Jan 2021 20:41:27 +0800 Received: from joehung-Ilitek.ili.com.tw (192.168.18.73) by EX1.ili.com.tw (192.168.1.133) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Thu, 28 Jan 2021 20:41:27 +0800 From: To: , , CC: , , Subject: [PATCH 1/2] dt-bindings: input: touchscreen: ilitek_ts_i2c: Add bindings Date: Thu, 28 Jan 2021 20:41:25 +0800 Message-ID: <20210128124125.1312232-1-joe_hung@ilitek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Joe Hung Add binding documentation for ILITEK touch devices. Signed-off-by: Joe Hung --- .../input/touchscreen/ilitek_ts_i2c.txt | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/ilitek_ts_i2c.txt diff --git a/Documentation/devicetree/bindings/input/touchscreen/ilitek_ts_i2c.txt b/Documentation/devicetree/bindings/input/touchscreen/ilitek_ts_i2c.txt new file mode 100644 index 000000000000..2a4b41a1f000 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/ilitek_ts_i2c.txt @@ -0,0 +1,23 @@ +Ilitek I2C 23XX/25XX/Lego Series Touch ICs + +Required properties: +- compatible : Must be equal to one of following: + "ilitek,ili2520" + "ilitek,ili2510" +- reg : I2C slave address for touch device. +- reset-gpios : GPIO output high to reset pin of touch device. +- irq-gpios : GPIO as active low input from touch irq pin. + +Example: + &i2c1 { + /* ... */ + + touchscreen@41 { + compatible = "ilitek,ili2520"; + reg = <0x41>; + irq-gpios = <&gpio1 13 0>; + reset-gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>; + }; + + /* ... */ + };