From patchwork Thu Sep 29 12:15:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fenglin Wu X-Patchwork-Id: 611677 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 EF12EC433F5 for ; Thu, 29 Sep 2022 12:17:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235152AbiI2MRQ (ORCPT ); Thu, 29 Sep 2022 08:17:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233332AbiI2MRN (ORCPT ); Thu, 29 Sep 2022 08:17:13 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F15E912969D; Thu, 29 Sep 2022 05:17:12 -0700 (PDT) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 28TC6a0N011217; Thu, 29 Sep 2022 12:16:40 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=Ig3jvnmNG9tfXnK/SbLfElPIPtLnqMM2dqS2NOO1tDQ=; b=lwgvxAA6Q92JgvBXmWQsVlaAsf5ThMP6KbguE5i4ChRdpjRV13g88YqOH19x8OTIQB8n qa1u8HZYfD/f6u3ZwquzlDxyuWtpH/64sHfduoTqfeQ39YqEi/0N6QfSEco6JejjRtc3 Fq4d2kf8pfi0jKg+gqwlrgt6Xhc9/xt1D2VvJP2cYwNL5OtnNuoXHcmiFzaY/lzlctVq fIGxFl889yv2q8+NlQVvjB6jzS1JUtwPAKAtnQ/m6Hsqwn9pL3ziNuAfw4yeopei5RKa J6Woa+hV9+gbYXg6izvD7woaGNM3os2AVRqQzuaRqY1xNyCwcHN9ZT+rFyMVNyfNv6Kh cw== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3jvbf0maes-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 29 Sep 2022 12:16:40 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 28TCGdBC029902 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 29 Sep 2022 12:16:39 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; Thu, 29 Sep 2022 05:16:36 -0700 From: Fenglin Wu To: , , , Andy Gross , "Bjorn Andersson" , Konrad Dybcio , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Fenglin Wu , , CC: , Subject: [PATCH v2 2/2] dt-bindings: add bindings for QCOM flash LED Date: Thu, 29 Sep 2022 20:15:44 +0800 Message-ID: <20220929121544.1064279-3-quic_fenglinw@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220929121544.1064279-1-quic_fenglinw@quicinc.com> References: <20220929121544.1064279-1-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: JISlVWSgcyyNyMVBp3EUsS3Ezr6JXz18 X-Proofpoint-ORIG-GUID: JISlVWSgcyyNyMVBp3EUsS3Ezr6JXz18 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=2022-09-29_06,2022-09-29_03,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 mlxscore=0 priorityscore=1501 phishscore=0 impostorscore=0 lowpriorityscore=0 mlxlogscore=999 adultscore=0 clxscore=1015 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2209290076 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/qcom,spmi-flash-led.yaml | 120 ++++++++++++++++++ 1 file changed, 120 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..3ab1113a7b28 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/qcom,spmi-flash-led.yaml @@ -0,0 +1,120 @@ +# 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: + 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 + minimum: 5000 + maximum: 1000000 + + 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 + minimum: 12500 + maximum: 2000000 + + flash-max-timeout-us: + description: | + The maximum timeout value when LED is operating in flash mode. + Valid values: 10000 - 1280000, step by 10000 + minimum: 10000 + maximum: 1280000 + + required: + - led-sources + - led-max-microamp + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + spmi_bus { + #address-cells = <1>; + #size-cells = <0>; + led-controller@ee00 { + compatible = "qcom,pm8350c-flash-led", "qcom,spmi-flash-led"; + reg = <0xee00>; + + led0 { + 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>; + }; + + led1 { + 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>; + }; + }; + };