From patchwork Tue Oct 25 07:38:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fenglin Wu X-Patchwork-Id: 618547 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 349F3C38A2D for ; Tue, 25 Oct 2022 07:38:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231828AbiJYHiu (ORCPT ); Tue, 25 Oct 2022 03:38:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231849AbiJYHit (ORCPT ); Tue, 25 Oct 2022 03:38:49 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6417F110B1C; Tue, 25 Oct 2022 00:38:48 -0700 (PDT) Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 29P7UMti020601; Tue, 25 Oct 2022 07:38:39 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=aMykm1529RSRKYLy5BBR1klB9BxD6Lr0yPQ+hOsFZKY=; b=moDXjCr9aLVlheG1VywRX0/jv1n7Zg9hNxWKGPkKkLsIwe1mG/zwcgX27VRphM8BQMJs 6/RvuIQsPHfbQqWapQk/WUowhv4qD6H7nUdYfBUqE2o8kZFqu6AQSPuB2dYfYmpmqJSR 0fPQrgQ4BxcHdF9YPRkXERWB9pP38svUEjHfs3v1AcojqWB0y3jSfbgly9tjWKpDqOdI 8y/mv87J6hTBza6nHFiTZm4mRM+5GPLTwFDqznUwhlqBuzkWMZks3oo3sHDeiFXDRAE9 iVE6YtxkYTjGTfzDii/h2KTkUSD/cTXi4uFQ6289rCP72ZujcResUDSIirjZ1wKkN6VP Cg== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3keb1mr2nu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 25 Oct 2022 07:38:38 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 29P7ccFt028258 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 25 Oct 2022 07:38:38 GMT Received: from fenglinw2-gv.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Tue, 25 Oct 2022 00:38:34 -0700 From: Fenglin Wu To: , , , Andy Gross , "Bjorn Andersson" , Konrad Dybcio , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Fenglin Wu , , CC: , Subject: [PATCH v4 2/2] dt-bindings: leds: add QCOM flash LED controller Date: Tue, 25 Oct 2022 15:38:02 +0800 Message-ID: <20221025073802.2662564-3-quic_fenglinw@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221025073802.2662564-1-quic_fenglinw@quicinc.com> References: <20221025073802.2662564-1-quic_fenglinw@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: chG0yzsh16UL6of5LIVfzb4cMw4wQk2m X-Proofpoint-ORIG-GUID: chG0yzsh16UL6of5LIVfzb4cMw4wQk2m X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-10-25_03,2022-10-21_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 suspectscore=0 phishscore=0 spamscore=0 adultscore=0 mlxlogscore=999 priorityscore=1501 malwarescore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210250043 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add binding document for flash LED module inside Qualcomm Technologies, Inc. PMICs. Signed-off-by: Fenglin Wu Reviewed-by: Krzysztof Kozlowski --- .../bindings/leds/qcom,spmi-flash-led.yaml | 116 ++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/qcom,spmi-flash-led.yaml diff --git a/Documentation/devicetree/bindings/leds/qcom,spmi-flash-led.yaml b/Documentation/devicetree/bindings/leds/qcom,spmi-flash-led.yaml new file mode 100644 index 000000000000..1b273aecaaec --- /dev/null +++ b/Documentation/devicetree/bindings/leds/qcom,spmi-flash-led.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/qcom,spmi-flash-led.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Flash LED device inside Qualcomm Technologies, Inc. PMICs + +maintainers: + - Fenglin Wu + +description: | + Flash LED controller is present inside some Qualcomm Technologies, Inc. PMICs. + The flash LED module can have different number of LED channels supported + e.g. 3 or 4. There are some different registers between them but they can + both support maximum current up to 1.5 A per channel and they can also support + ganging 2 channels together to supply maximum current up to 2 A. The current + will be split symmetrically on each channel and they will be enabled and + disabled at the same time. + +properties: + compatible: + items: + - enum: + - qcom,pm8150c-flash-led + - qcom,pm8150l-flash-led + - qcom,pm8350c-flash-led + - const: qcom,spmi-flash-led + + reg: + maxItems: 1 + +patternProperties: + "^led-[0-3]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + description: + Represents the physical LED components which are connected to the + flash LED channels' output. + + properties: + led-sources: + description: + The HW indices of the flash LED channels that connect to the + physical LED + allOf: + - minItems: 1 + maxItems: 2 + items: + enum: [1, 2, 3, 4] + + led-max-microamp: + anyOf: + - minimum: 5000 + maximum: 500000 + multipleOf: 5000 + - minimum: 10000 + maximum: 1000000 + multipleOf: 10000 + + flash-max-microamp: + anyOf: + - minimum: 12500 + maximum: 1500000 + multipleOf: 12500 + - minimum: 25000 + maximum: 2000000 + multipleOf: 25000 + + flash-max-timeout-us: + minimum: 10000 + maximum: 1280000 + multipleOf: 10000 + + required: + - led-sources + - led-max-microamp + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + spmi { + #address-cells = <1>; + #size-cells = <0>; + led-controller@ee00 { + compatible = "qcom,pm8350c-flash-led", "qcom,spmi-flash-led"; + reg = <0xee00>; + + led-0 { + function = LED_FUNCTION_FLASH; + color = ; + led-sources = <1>, <4>; + led-max-microamp = <300000>; + flash-max-microamp = <2000000>; + flash-max-timeout-us = <1280000>; + function-enumerator = <0>; + }; + + led-1 { + function = LED_FUNCTION_FLASH; + color = ; + led-sources = <2>, <3>; + led-max-microamp = <300000>; + flash-max-microamp = <2000000>; + flash-max-timeout-us = <1280000>; + function-enumerator = <1>; + }; + }; + };