From mboxrd@z Thu Jan 1 00:00:00 1970 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 9A9EFC433E1 for ; Wed, 24 Mar 2021 02:50:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62532619E3 for ; Wed, 24 Mar 2021 02:50:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232158AbhCXCtn (ORCPT ); Tue, 23 Mar 2021 22:49:43 -0400 Received: from smtp2.axis.com ([195.60.68.18]:36850 "EHLO smtp2.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232078AbhCXCtY (ORCPT ); Tue, 23 Mar 2021 22:49:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; q=dns/txt; s=axis-central1; t=1616554164; x=1648090164; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=FqYAXGat8wOi5xlTyUYf8sCt90mXXCBzUhow40r7ORM=; b=nzC26m4YHXgL/Kl7zG9OEXOAYqIsCML15OprSSllzpV5FbIwY3rH767N JhUanOYHpa2PXilMFznlHZgtO27WG/zmdIePP1u2kDVK00K4buu3wWz6N CgyZqBOzHUf14kdCvuxMnm/JTFmhhZZ7XCYHJcECCCmqwDuNC+DGmIVnJ P5TGTtmtmDrSmDtVxFEsXrsTb40lMFRxbMnnPtU0m89jW+7WcuKC5CmrO ZVBfqllXjM84oRl9EFc1I2OgfG77EzF1rq64CJHHyEc2oyC6A8sJma5v0 SdbANUiD6Tr+558Jp+nCJdN00+oSq3gg/BuvCkme0suvelbOsrBGf8V1O Q==; From: Hermes Zhang To: Pavel Machek , Dan Murphy , Rob Herring , Hermes Zhang CC: , , , Subject: [PATCH v3] dt-binding: leds: Document leds-multi-gpio bindings Date: Wed, 24 Mar 2021 10:48:43 +0800 Message-ID: <20210324024844.15796-1-chenhui.zhang@axis.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org From: Hermes Zhang Document the device tree bindings of the multiple GPIOs LED driver Documentation/devicetree/bindings/leds/leds-multi-gpio.yaml. Signed-off-by: Hermes Zhang --- Notes: Add maxItems .../bindings/leds/leds-multi-gpio.yaml | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-multi-gpio.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-multi-gpio.yaml b/Documentation/devicetree/bindings/leds/leds-multi-gpio.yaml new file mode 100644 index 000000000000..6f2b47487b90 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-multi-gpio.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-multi-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Multiple GPIOs LED driver + +maintainers: + - Hermes Zhang + +description: + This will support some LED made of multiple GPIOs and the brightness of the + LED could map to different states of the GPIOs. + +properties: + compatible: + const: multi-gpio-led + + led-gpios: + description: Array of one or more GPIOs pins used to control the LED. + minItems: 1 + maxItems: 8 # Should be enough + + led-states: + description: | + The array list the supported states here which will map to brightness + from 0 to maximum. Each item in the array will present all the GPIOs + value by bit. + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 1 + maxItems: 16 # Should be enough + +required: + - compatible + - led-gpios + - led-states + +additionalProperties: false + +examples: + - | + gpios-led { + compatible = "multi-gpio-led"; + + led-gpios = <&gpio0 23 0x1>, + <&gpio0 24 0x1>; + led-states = /bits/ 8 <0x00 0x01 0x02 0x03>; + }; +... -- 2.20.1