From patchwork Wed Sep 28 02:42:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fenglin Wu X-Patchwork-Id: 611679 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 2BBABC6FA83 for ; Wed, 28 Sep 2022 02:43:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232823AbiI1Cnj (ORCPT ); Tue, 27 Sep 2022 22:43:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231278AbiI1Cnh (ORCPT ); Tue, 27 Sep 2022 22:43:37 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D21CE10B5AF; Tue, 27 Sep 2022 19:43:35 -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 28S0DaQh028294; Wed, 28 Sep 2022 02:43:30 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=WAV2Vg7f6CUq/WnEQZXIQKXJMUc1AhCzxB0OWsDh3RQ=; b=FlouJ/E2BEmfD3sjQj5qHcqkx36V6u+vVwNt6J0rVMytK3KhCasOWdX89foZmugM6IP4 /jk3liRZU1h5IwSR++1L70MB4kJ3Kw7EjJpgOYMPuXzaWTT9SS67JAK2dY3RvfAsEP3w uQogYp9jRCZVX3iUC+9YfD8vkcbw4KZt3q5k25LjjTNUD0nVUdnDKP+n14C1xA5oyJR6 YjPYpo+nrafeeDjowOT4tiYALtaOR4G04Og0empZowT0l4y7TDZUVP3ecoD1v/rzcgg3 AvJEP/GQQgMfC7rA0fjD3tladW/Cz9V7vfNVWyNHfpvJfOGPQ5DFfEv315bJDb/hi8n7 VQ== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3juw51ke70-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Sep 2022 02:43:29 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 28S2hSwG018236 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Sep 2022 02:43:28 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, 27 Sep 2022 19:43:26 -0700 From: Fenglin Wu To: , , "Pavel Machek" , Rob Herring , Krzysztof Kozlowski , Fenglin Wu , , CC: , Subject: [PATCH v1 2/2] dt-bindings: add bindings for QCOM flash LED Date: Wed, 28 Sep 2022 10:42:39 +0800 Message-ID: <20220928024239.3843909-3-quic_fenglinw@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220928024239.3843909-1-quic_fenglinw@quicinc.com> References: <20220928024239.3843909-1-quic_fenglinw@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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-ORIG-GUID: 0loG-lmSJcDsbykBWY2Et9QT5LgU33J6 X-Proofpoint-GUID: 0loG-lmSJcDsbykBWY2Et9QT5LgU33J6 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-27_12,2022-09-27_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 lowpriorityscore=0 malwarescore=0 mlxlogscore=932 mlxscore=0 impostorscore=0 adultscore=0 suspectscore=0 bulkscore=0 spamscore=0 phishscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2209280015 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 --- .../bindings/leds/leds-qcom-flash.yaml | 108 ++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-qcom-flash.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-flash.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-flash.yaml new file mode 100644 index 000000000000..52a99182961b --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-qcom-flash.yaml @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-qcom-flash.yaml# +$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,spmi-flash-led + - qcom,pm8150c-flash-led + - qcom,pm8150l-flash-led + - qcom,pm8350c-flash-led + + reg: + description: address offset of the flash LED controller + 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: + description: | + The maximum current value when LED is not operating in flash mode (i.e. torch mode) + Valid values when an LED is connected to one flash LED channel: + 5000 - 500000, step by 5000 + Valid values when an LED is connected to two flash LED channels: + 10000 - 1000000, step by 10000 + + flash-max-microamp: + description: | + The maximum current value when LED is operating in flash mode. + Valid values when an LED is connected to one flash LED channel: + 12500 - 1500000, step by 12500 + Valid values when an LED is connected to two flash LED channels: + 25000 - 2000000, step by 12500 + + flash-max-timeout-us: + description: | + The maximum timeout value when LED is operating in flash mode. + Valid values: 10000 - 1280000, step by 10000 + + required: + - led-sources + - led-max-microamp + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + flash-led@ee00 { + compatible = "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>; + }; + };