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This panel supports backlight control through the QCOM WLED driver in Xiaomi Poco F1 device. Signed-off-by: Joel Selvaraj --- drivers/gpu/drm/panel/panel-novatek-nt36672a.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c index 231f371901e8..6d6ce42787e2 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c @@ -628,6 +628,10 @@ static int nt36672a_panel_add(struct nt36672a_panel *pinfo) drm_panel_init(&pinfo->base, dev, &panel_funcs, DRM_MODE_CONNECTOR_DSI); + ret = drm_panel_of_backlight(&pinfo->base); + if (ret) + return dev_err_probe(dev, ret, "Failed to get backlight\n"); + drm_panel_add(&pinfo->base); return 0; From patchwork Wed Mar 30 06:56:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Selvaraj X-Patchwork-Id: 555142 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 0D227C4332F for ; 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Wed, 30 Mar 2022 06:57:49 +0000 From: Joel Selvaraj To: Sumit Semwal , Thierry Reding , Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Andy Gross , Bjorn Andersson Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Amit Pundir , Joel Selvaraj Subject: [PATCH 3/3] arm64: dts: qcom: sdm845-xiaomi-beryllium: enable qcom wled backlight and link to panel Date: Wed, 30 Mar 2022 12:26:39 +0530 Message-ID: X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220330065639.245531-1-jo@jsfamily.in> References: <20220330065639.245531-1-jo@jsfamily.in> X-TMN: [WQpQL0JZKQSPSIv41xyjLSJIzn9P2abAjlHy3217uC9I8r0ot/MZSxCDUMbL8Bk8] X-ClientProxiedBy: BM1PR0101CA0039.INDPRD01.PROD.OUTLOOK.COM (2603:1096:b00:1a::25) To BY5PR02MB7009.namprd02.prod.outlook.com (2603:10b6:a03:236::13) X-Microsoft-Original-Message-ID: <20220330065639.245531-4-jo@jsfamily.in> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4717930d-b0e0-47f2-12d1-08da121a99f9 X-MS-TrafficTypeDiagnostic: BL0PR02MB4883:EE_ X-Microsoft-Antispam: BCL:0; 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Enable and link it to the panel to use it. Signed-off-by: Joel Selvaraj --- .../arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts index 798fc72578a7..3ebb0f9905d3 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts @@ -231,6 +231,7 @@ panel@0 { #address-cells = <1>; #size-cells = <0>; + backlight = <&pmi8998_wled>; reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>; port { @@ -314,6 +315,18 @@ vol_up_pin_a: vol-up-active { }; }; +&pmi8998_wled { + status = "okay"; + qcom,current-boost-limit = <970>; + qcom,ovp-millivolt = <29600>; + qcom,current-limit-microamp = <20000>; + qcom,enabled-strings = <0 1>; + qcom,num-strings = <2>; + qcom,switching-freq = <600>; + qcom,external-pfet; + qcom,cabc; +}; + &pm8998_pon { resin { compatible = "qcom,pm8941-resin";