From patchwork Thu Jul 11 09:38:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 11039511 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 28A3114F6 for ; Thu, 11 Jul 2019 09:40:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 17EE0289A1 for ; Thu, 11 Jul 2019 09:40:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0C21E28A31; Thu, 11 Jul 2019 09:40:57 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7B94C289AA for ; Thu, 11 Jul 2019 09:40:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=zeqbh8t09jb9rzViw9GH07EN4pviBDhZIf3BK8eds4o=; b=iMkYdr6vzOH2nP fJTndh6EaLAJRIRLlkpoHkxvkf1Zbtjjr8Vg1xzd68fyAnY9rsAVdex/In5SB6UvZjLACYc9YeHmb dSKuOPcZjWcZHUyBcmrkCC2ToPHmhE4kHrO0hN22miN+H6nfSjvtFPXpvMxOGLZk9Gf7HpEMsPqmp EbVidt5A2uOJuX1lKYq0DuVpKjS5y3YTifxG0YatlWZJDcO8KJg4vg7qOSEMyWgdFXyhhiB2IAsi/ /f/ADfRku8mPM+iIEh4/Pz8vrCmV8/yrWkfGao1/NZHewkWVCr6VRr7+f8VqJ3YphKZw0wiw5b968 lrbuBynNqwIhPBXxyePg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hlVZL-0002mN-Li; Thu, 11 Jul 2019 09:40:51 +0000 Received: from relay10.mail.gandi.net ([217.70.178.230]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hlVZH-0002km-O4 for linux-arm-kernel@lists.infradead.org; Thu, 11 Jul 2019 09:40:49 +0000 Received: from localhost (lfbn-1-17395-211.w86-250.abo.wanadoo.fr [86.250.200.211]) (Authenticated sender: maxime.ripard@bootlin.com) by relay10.mail.gandi.net (Postfix) with ESMTPSA id 68A69240011; Thu, 11 Jul 2019 09:38:40 +0000 (UTC) From: Maxime Ripard To: Mark Rutland , Rob Herring , Frank Rowand , Dmitry Torokhov Subject: [PATCH] dt-bindings: input: Convert Allwinner LRADC to a schema Date: Thu, 11 Jul 2019 11:38:35 +0200 Message-Id: <20190711093835.20663-1-maxime.ripard@bootlin.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190711_024048_101244_9ADC7CEF X-CRM114-Status: GOOD ( 13.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maxime Ripard , devicetree@vger.kernel.org, Chen-Yu Tsai , linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The Allwinner SoCs have an LRADC used to report keys and supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Signed-off-by: Maxime Ripard --- .../input/allwinner,sun4i-a10-lradc-keys.yaml | 95 +++++++++++++++++++ .../bindings/input/sun4i-lradc-keys.txt | 65 ------------- 2 files changed, 95 insertions(+), 65 deletions(-) create mode 100644 Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml delete mode 100644 Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt diff --git a/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml b/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml new file mode 100644 index 000000000000..b3bd8ef7fbd6 --- /dev/null +++ b/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/allwinner,sun4i-a10-lradc-keys.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 LRADC Device Tree Bindings + +maintainers: + - Chen-Yu Tsai + - Maxime Ripard + +properties: + compatible: + oneOf: + - const: allwinner,sun4i-a10-lradc-keys + - const: allwinner,sun8i-a83t-r-lradc + - items: + - const: allwinner,sun50i-a64-lradc + - const: allwinner,sun8i-a83t-r-lradc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + vref-supply: + description: + Regulator for the LRADC reference voltage + +patternProperties: + "^button-[0-9]+$": + type: object + properties: + label: + $ref: /schemas/types.yaml#/definitions/string + description: Descriptive name of the key + + linux,code: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Keycode to emit + + channel: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + - enum: [0, 1] + description: ADC Channel this key is attached to + + voltage: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Voltage in microvolts at LRADC input when this key is + pressed + + required: + - label + - linux,code + - channel + - voltage + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - vref-supply + +additionalProperties: false + +examples: + - | + lradc: lradc@1c22800 { + compatible = "allwinner,sun4i-a10-lradc-keys"; + reg = <0x01c22800 0x100>; + interrupts = <31>; + vref-supply = <®_vcc3v0>; + + button-191 { + label = "Volume Up"; + linux,code = <115>; + channel = <0>; + voltage = <191274>; + }; + + button-392 { + label = "Volume Down"; + linux,code = <114>; + channel = <0>; + voltage = <392644>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt b/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt deleted file mode 100644 index 507b737612ea..000000000000 --- a/Documentation/devicetree/bindings/input/sun4i-lradc-keys.txt +++ /dev/null @@ -1,65 +0,0 @@ -Allwinner sun4i low res adc attached tablet keys ------------------------------------------------- - -Required properties: - - compatible: should be one of the following string: - "allwinner,sun4i-a10-lradc-keys" - "allwinner,sun8i-a83t-r-lradc" - "allwinner,sun50i-a64-lradc", "allwinner,sun8i-a83t-r-lradc" - - reg: mmio address range of the chip - - interrupts: interrupt to which the chip is connected - - vref-supply: powersupply for the lradc reference voltage - -Each key is represented as a sub-node of the compatible mentioned above: - -Required subnode-properties: - - label: Descriptive name of the key. - - linux,code: Keycode to emit. - - channel: Channel this key is attached to, must be 0 or 1. - - voltage: Voltage in µV at lradc input when this key is pressed. - -Example: - -#include - - lradc: lradc@1c22800 { - compatible = "allwinner,sun4i-a10-lradc-keys"; - reg = <0x01c22800 0x100>; - interrupts = <31>; - vref-supply = <®_vcc3v0>; - - button@191 { - label = "Volume Up"; - linux,code = ; - channel = <0>; - voltage = <191274>; - }; - - button@392 { - label = "Volume Down"; - linux,code = ; - channel = <0>; - voltage = <392644>; - }; - - button@601 { - label = "Menu"; - linux,code = ; - channel = <0>; - voltage = <601151>; - }; - - button@795 { - label = "Enter"; - linux,code = ; - channel = <0>; - voltage = <795090>; - }; - - button@987 { - label = "Home"; - linux,code = ; - channel = <0>; - voltage = <987387>; - }; - };