From patchwork Wed Mar 23 12:00:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 12789735 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1E2EC433FE for ; Wed, 23 Mar 2022 12:00:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244060AbiCWMCR (ORCPT ); Wed, 23 Mar 2022 08:02:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244044AbiCWMCR (ORCPT ); Wed, 23 Mar 2022 08:02:17 -0400 Received: from wout2-smtp.messagingengine.com (wout2-smtp.messagingengine.com [64.147.123.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 612857A9A5; Wed, 23 Mar 2022 05:00:43 -0700 (PDT) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.west.internal (Postfix) with ESMTP id 14D743201FCD; Wed, 23 Mar 2022 08:00:42 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Wed, 23 Mar 2022 08:00:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alistair23.me; h=cc:cc:content-transfer-encoding:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm1; bh=l1C3ccDGgcE7nR aC9V8NEemh9Ww1O1X8v8EZwzGnGZM=; b=OmRVNn2q44YDbguUD6dB7kL5IL5+Fq WRSal3peEY8VbgBU8Q5OIvbf1h5qAKNnzB8D0fxOwt/f60T/q7oorHGADpiJJrgl NyZVJRiAgnlOLk5DoH1Enjfs+iM+Qnz7fF2Vq+/VRh5X7WJCn/ZhdqU/xdrH45mx Vvkai8R6H51WqRVcsEc8pWgKosrUowY2vbtqd/9P/NZN2ABCW/Tmd7N5HPHbGcHn rEsT9ksD5DednZw9P1tJMcnt25ObEDk7+btadY8cOXWHdq/SM4KSOSYCmXacthSe q6ajzePbx+fOAk3YBMgfXEnZwUFWpeAN3LOlBQiw8eTmLEzbVr7IyuDg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding:date:date :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=l1C3cc DGgcE7nRaC9V8NEemh9Ww1O1X8v8EZwzGnGZM=; b=i0KAvIBfnOar1VNwUMCtN6 CgDIFYLd2OymuUQvlILJHexzR7nyv+JH7CciYfFLjnIS4jhnNh1SNjwI0Fq5qhPd Ot4+Co4fs8KioWrqlO8KS0B4yusk9pfksz2bxxljGXs2REJAKtrVIGqrNS1opada 0ITWEFYMOdajAwDGJlb2RwUVnUUjTenag/WLgqtzMZfqGWy3NlAMkoIOejpQZ5cX 765XT5h3WLpCunM9j7iqEPqaCqwM1q1n6hrI9LjE60Sz2lyHNJ+Qq5eZLQANi8Zo KMa/Cug/JX+muXG1YhtqzsMGbJloo2+WR5bbVqJoaqIZckWVSFkqgXdn1epIJPZA == X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrudegjedgfedvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvffufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehlihhsthgrihhrucfhrhgrnhgtihhsuceorghlihhsthgr ihhrsegrlhhishhtrghirhdvfedrmhgvqeenucggtffrrghtthgvrhhnpefftdfhgfeggf elgfekjefhkeeigfelleefhfethfehfeetleeggeeggfefffdvtdenucffohhmrghinhep uggvvhhitggvthhrvggvrdhorhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrg hmpehmrghilhhfrhhomheprghlihhsthgrihhrsegrlhhishhtrghirhdvfedrmhgv X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 23 Mar 2022 08:00:37 -0400 (EDT) From: Alistair Francis To: linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: alistair23@gmail.com, rydberg@bitmath.org, linus.walleij@linaro.org, robh+dt@kernel.org, dmitry.torokhov@gmail.com, andreas@kemnade.info, Alistair Francis Subject: [PATCH v7 2/4] dt-bindings: input: Add Cypress TT2100 touchscreen controller Date: Wed, 23 Mar 2022 22:00:19 +1000 Message-Id: <20220323120021.361137-3-alistair@alistair23.me> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220323120021.361137-1-alistair@alistair23.me> References: <20220323120021.361137-1-alistair@alistair23.me> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org 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,code" property in a "button" sub-node can be used. Signed-off-by: Alistair Francis Reviewed-by: Linus Walleij Reviewed-by: Rob Herring --- .../input/touchscreen/cypress,tt21000.yaml | 101 ++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml diff --git a/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml b/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml new file mode 100644 index 000000000000..3fc4b7011040 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/cypress,tt21000.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/touchscreen/cypress,tt21000.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cypress TT2100 touchscreen controller + +description: The Cypress TT2100 series (also known as "CYTTSP5" after + the marketing name Cypress TrueTouch Standard Product series 5). + +maintainers: + - Alistair Francis + +allOf: + - $ref: touchscreen.yaml# + +properties: + compatible: + const: cypress,tt21000 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vdd-supply: + description: Regulator for voltage. + + reset-gpios: + maxItems: 1 + + linux,keycodes: + $ref: /schemas/types.yaml#/definitions/uint32 + description: EV_ABS specific event code generated by the axis. + +patternProperties: + "^button@[0-9]+$": + type: object + properties: + reg: + maxItems: 1 + linux,keycodes: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Keycode to emit + + required: + - reg + - linux,keycodes + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - vdd-supply + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + touchscreen@24 { + #address-cells = <1>; + #size-cells = <0>; + + compatible = "cypress,tt21000"; + 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_LOW>; + vdd-supply = <®_touch>; + + button@0 { + reg = <0>; + linux,keycodes = ; + }; + + button@1 { + reg = <1>; + linux,keycodes = ; + }; + + button@2 { + reg = <2>; + linux,keycodes = ; + }; + }; + }; +...