From patchwork Sun Feb 25 21:34:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Packham X-Patchwork-Id: 13571046 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8AAB5C54E49 for ; Sun, 25 Feb 2024 21:35:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VEmTWzRUMCHeFXcaJN4IsQ346tRC5k3xsZP9lmq+4jI=; b=ZXL5Syb6llCr+7 wxlhVKz/4MQGiWRLxlirpmZ5cdfg0qbIL+Hxt7ZZQ2t4GdDBTJLZRcU9q96ZDD4RAJliVGHjnYrii Z7Ow9svsC8wOU26YXM3+F7//mEQgcmOpfcBvi5fcX/iM/1n8WtHGhPjWV5QhsycY84xsmEu/p8pyC JMlN8J+e21OnV8YEkXwnpUkww2xcq/u7oT2G7/bUttWQ5YhBiByNFXmL9bpHhavLHqKJf4dMEIRZd Yx1E67wOo0kccvG1vkolLhyo+nOM8Gaw2asuOQjiryhONx9hgHMVb1ZEGCQJSgz6SJPedb/DDX58F Al3v355eih7FgpWbnJMg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1reM93-0000000FlZg-1y4S; Sun, 25 Feb 2024 21:34:49 +0000 Received: from gate2.alliedtelesis.co.nz ([2001:df5:b000:5::4]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1reM8z-0000000FlXu-1Dmr for linux-arm-kernel@lists.infradead.org; Sun, 25 Feb 2024 21:34:47 +0000 Received: from svr-chch-seg1.atlnz.lc (mmarshal3.atlnz.lc [10.32.18.43]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by gate2.alliedtelesis.co.nz (Postfix) with ESMTPS id D79B82C0652; Mon, 26 Feb 2024 10:34:35 +1300 (NZDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; s=mail181024; t=1708896875; bh=4gqEtwn93Tho3LTT9o6arNrvbLMX9cEVnx0SJH0vyvo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CfAjxxKF/WKDYBR0a3zpbCxjXNNCzQCfi9GFC5uApYSnQlqw6QEB7+PtAvzGxhPzN CtIFVeZgUTaxaB+5h5b6wSX+mWzt+4XwUavrGFVzDvRfG1Kb0MQ3F6OI7Mqur2wAPG 4QulCGr3zYPA7lWDDy2mkKl7Hco07jGWU/qNP2GdwewuNBDGGZBuYfGsj0Q2iezazf IU8j+nNFnWTbOXNKuEB8F/YsbLYe46E1mgZ3AQ8LANR9FNhEQGU3CAXrZanjKQbRWv 9Un9Jbf7OlFhX/TAUHLcviVR0LeqdzpYBrqI8cJrQwgzvboPubSNABBnwuEupgUPjd P7IBgNBaEteiQ== Received: from pat.atlnz.lc (Not Verified[10.32.16.33]) by svr-chch-seg1.atlnz.lc with Trustwave SEG (v8,2,6,11305) id ; Mon, 26 Feb 2024 10:34:35 +1300 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by pat.atlnz.lc (Postfix) with ESMTP id 9EB2E13EE85; Mon, 26 Feb 2024 10:34:35 +1300 (NZDT) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id 99FF628092F; Mon, 26 Feb 2024 10:34:35 +1300 (NZDT) From: Chris Packham To: ojeda@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, andrew@lunn.ch, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com, andy.shevchenko@gmail.com, geert@linux-m68k.org, pavel@ucw.cz, lee@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-leds@vger.kernel.org, Chris Packham Subject: [PATCH 2/3] dt-bindings: auxdisplay: Add bindings for generic 7 segment LED Date: Mon, 26 Feb 2024 10:34:22 +1300 Message-ID: <20240225213423.690561-3-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240225213423.690561-1-chris.packham@alliedtelesis.co.nz> References: <20240225213423.690561-1-chris.packham@alliedtelesis.co.nz> MIME-Version: 1.0 X-SEG-SpamProfiler-Analysis: v=2.4 cv=BKkQr0QG c=1 sm=1 tr=0 ts=65dbb26b a=KLBiSEs5mFS1a/PbTCJxuA==:117 a=k7vzHIieQBIA:10 a=gEfo2CItAAAA:8 a=wDxYY4ZP0rUsokw9mtgA:9 a=3ZKOabzyN94A:10 a=sptkURWiP4Gy88Gu7hUp:22 X-SEG-SpamProfiler-Score: 0 x-atlnz-ls: pat X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240225_133445_844204_638501F3 X-CRM114-Status: GOOD ( 10.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add bindings for a generic 7 segment LED display using GPIOs. Signed-off-by: Chris Packham --- .../auxdisplay/generic,gpio-7seg.yaml | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/auxdisplay/generic,gpio-7seg.yaml diff --git a/Documentation/devicetree/bindings/auxdisplay/generic,gpio-7seg.yaml b/Documentation/devicetree/bindings/auxdisplay/generic,gpio-7seg.yaml new file mode 100644 index 000000000000..238da2ede740 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/generic,gpio-7seg.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/auxdisplay/generic,gpio-7seg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GPIO based LED segment display + +maintainers: + - Chris Packham + +properties: + compatible: + const: generic,gpio-7seg + + segment-gpios: + description: + An array of GPIOs one per segment. + minItems: 7 + +required: + - segment-gpios + +additionalProperties: false + +examples: + - | + + #include + + led-7seg { + compatible = "generic,gpio-7seg"; + segment-gpios = <&gpio 0 GPIO_ACTIVE_LOW + &gpio 1 GPIO_ACTIVE_LOW + &gpio 2 GPIO_ACTIVE_LOW + &gpio 3 GPIO_ACTIVE_LOW + &gpio 4 GPIO_ACTIVE_LOW + &gpio 5 GPIO_ACTIVE_LOW + &gpio 6 GPIO_ACTIVE_LOW>; + };