From patchwork Wed Feb 10 17:33:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincent Knecht X-Patchwork-Id: 12081435 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 DD30CC433DB for ; Wed, 10 Feb 2021 17:38:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B17F864ED0 for ; Wed, 10 Feb 2021 17:38:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232359AbhBJRhR (ORCPT ); Wed, 10 Feb 2021 12:37:17 -0500 Received: from msg-1.mailo.com ([213.182.54.11]:35638 "EHLO msg-1.mailo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232977AbhBJRfk (ORCPT ); Wed, 10 Feb 2021 12:35:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mailoo.org; s=mailo; t=1612978454; bh=EXG7f7uNuaToBdDu8mdjVFdsXTtJGfa9dWahPfAMOKs=; h=X-EA-Auth:From:To:Cc:Subject:Date:Message-Id:X-Mailer: MIME-Version:Content-Transfer-Encoding; b=YSvRQy0e5tYpdB0gkwZJlqcVagIyjF277QHXddXCKXqaEleE/JRVyFb8stWMHqRgK w/5MxPNHtp3hRcsP5/6lZI2RrCYbBcSIoOD2oaXLy1zbIpGZl+OKRmG3bgE41qwK31 udCtG3RvR8WXiQoTRhTCkg4Rmy0KlF4NOcoU+cBs= Received: by b-4.in.mailobj.net [192.168.90.14] with ESMTP via proxy.mailoo.org [213.182.55.207] Wed, 10 Feb 2021 18:34:13 +0100 (CET) X-EA-Auth: Jn1gIZeHdPCnKZ3x43DoTVcJ6WAq6xemBNdS8aTzyQQ4kLdZCyLrp3HFlwQR8olvu5D2A1I63k+EebvUDUGkhNou/bO5U/iiUfxdaEQEG7o= From: Vincent Knecht To: Dmitry Torokhov , Rob Herring , Henrik Rydberg , Vincent Knecht , Linus Walleij , Michael Srba , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ~postmarketos/upstreaming@lists.sr.ht Subject: [PATCH v4 1/2] dt-bindings: input/touchscreen: add bindings for msg2638 Date: Wed, 10 Feb 2021 18:33:51 +0100 Message-Id: <20210210173403.667482-1-vincent.knecht@mailoo.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org This adds dts bindings for the mstar msg2638 touchscreen. Signed-off-by: Vincent Knecht --- Changed in v4: - don't use wildcards in compatible strings (Rob H) - rename from msg26xx to msg2638 - rename example pinctrl-0 to &ts_int_reset_default for consistency Changed in v3: - added `touchscreen-size-x: true` and `touchscreen-size-y: true` properties Changed in v2: - changed M-Star to MStar in title line - changed reset gpio to active-low in example section --- .../input/touchscreen/mstar,msg2638.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml new file mode 100644 index 000000000000..12f44d9e4d41 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/mstar,msg2638.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/mstar,msg2638.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MStar msg2638 touchscreen controller Bindings + +maintainers: + - Vincent Knecht + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + const: mstar,msg2638 + + reg: + const: 0x26 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + vdd-supply: + description: Power supply regulator for the chip + + vddio-supply: + description: Power supply regulator for the I2C bus + + touchscreen-size-x: true + touchscreen-size-y: true + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - reset-gpios + - touchscreen-size-x + - touchscreen-size-y + +examples: + - | + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + touchscreen@26 { + compatible = "mstar,msg2638"; + reg = <0x26>; + interrupt-parent = <&msmgpio>; + interrupts = <13 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&msmgpio 100 GPIO_ACTIVE_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&ts_int_reset_default>; + vdd-supply = <&pm8916_l17>; + vddio-supply = <&pm8916_l5>; + touchscreen-size-x = <720>; + touchscreen-size-y = <1280>; + }; + }; + +...