From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E884F3A75B6 for ; Fri, 17 Jul 2026 09:17:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784279839; cv=none; b=BsuvAtJCuV4IH0ylVRPuaBSBYxxkPnqDVMxy9PDbyKZ8g9E/5wA+OOF0dfLBPn6uAmeSArTxwJn096IV/8/a5l3C75TsH17IxPDSVrz8aPFU5b8rmkrXCVbet0shnxVMhmcM6vTlyMYwT02P4r6ZHEbaMglb2dOC5UR4QC+VIsw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784279839; c=relaxed/simple; bh=jPNEl4Yoh1ZLXaB9Wd8N1Msiuq1Ol6ibvp5vgFfqNBI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=bZY8cJYQnaz1v3h7zBoVR/785Be7OqXUi5ONBkK4rjYU3nxWSrW2dRREC01i5y/Buk5AnhWrHK/B2DkFjNCNYXDgbzw2h+4CDJE2qN5mZOK114XNdFJItPU5dCTBRB6LJlyEwcCcvJf9DAnHKUWE5CkZwOH/iG4QGvgq0zWzMtw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=YVjg5FPl; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=P8irucX9; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="YVjg5FPl"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="P8irucX9" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 66H6d4Ew821192 for ; Fri, 17 Jul 2026 09:17:16 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= HGQUpW0PKU9SI95eE/1MrXbN+xazx4ocxBKiJkm8p8Q=; b=YVjg5FPlpN8+7fh4 +elqgQFxo8rgkaI2AvS9J1dQy68daj7sRD8EipvpMJS/uzW7th/VL+K2zf2h5ivJ xTuo1Y4r0mImlncssFzidamVSzpD5YNPvRCrfWOKoj7JGSdJp2mI96D7oWieaNIE Yn7fXtKXLDcD3g0h5ftRIlkZn9c1q9V0inrgcDLuX1Kzq6bMxZUN2UCtzhaRm/4D Hd98OC3oRAlc84m2wSO4tC/MR0DSgLfBa5WnM+G7aXRoizzbqgEtwuNJXMr+sY1m 7JHIB0SyPzYx9UjfAJAfFm9PKytKlAhJqYg8yHaZpQkEwI1Q7F5OEAYFcli4f/fx m1k/Lw== Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4fffag8jpd-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 17 Jul 2026 09:17:16 +0000 (GMT) Received: by mail-qk1-f197.google.com with SMTP id af79cd13be357-9309b0f05fcso58083485a.1 for ; Fri, 17 Jul 2026 02:17:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1784279835; x=1784884635; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=HGQUpW0PKU9SI95eE/1MrXbN+xazx4ocxBKiJkm8p8Q=; b=P8irucX9vBZFFAxDkfjVMQCb3ozu0iEH14F4t0trQ5eQAeiyFZ9SYd9dgjVdGZfobE JhWK4hx4XcQmoJUUxSqOFUSPy3hcQ/nM6y9PmpdXJ+X1zF13+wpgyGL0t72L5e2gnHHG XPGzno95WEwnZtGyOski+mbkeMXXMvG2mtZHmxInsdzbCWjGcDACrUyVnaKEQ5Bg6wCT 0jYolJzq9VkL125f8+6xkkicEayGIY6iB13bv/O2hX87ARUNkjCD0TINnWd/rjfL2coT SFSssIoXOr1Tz8GN35hTSBSDn7TIMTKx/qtjGgW8V+KCv84H5/1txN2V+wAyYosNLBBb c/Iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784279835; x=1784884635; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=HGQUpW0PKU9SI95eE/1MrXbN+xazx4ocxBKiJkm8p8Q=; b=bWPIxKcZzhegPUVzr4W0GS624SAEU1aWcPMcJQ1+NYjgVY64NAaw7berWulIhtdlbJ wDfDkMxBaSl/9Tzztu5in6/spXZi9YLUNtHkflGgO3h5CSiAe7b8net+vdZ8BN/wUYfY mrW8w9KJP+UZMfGm8RqFfXl0SGDoNTCc1PlsVritDN+EhU25VkHto8uR0NscIsv2uFzq ikkNLKHKVSYZP+L9lXKP9XhlCmFXznW0hf7DbdF7q2Fyv0FwS044l9Xw8LcrYKXaoPE2 ZGcojXqyEYI3r27VvLfw8JX02zxcsuI6ia3FN29g3ywNNzi1HYAYnO/ffq9ChNk/jZJ/ Japw== X-Gm-Message-State: AOJu0YwTMIU3yll2RuQ8+2gylUYBCBYH5R3BsWTxxQDnlYbBWLSXST4W fDZbytkxo9JXvHS9sGfTR27awWX3hblH89BB2/ulDKCjQpL4fnTtdHlMPnbWdMkoy5nlz4CSmhW G3NZ5hcVIz7ggHzSLCXsngM66DeFtOwJzXtO4w+o0BulaNqdwMuhkuyF+PzZCNFpPIT0= X-Gm-Gg: AfdE7cmSYxLbEQHFvtxiK+0rnns8YE0liY1Ngpi4eG8p+GOZ+NSR/eKxIZmHyIviMFW efTjFDVIh3KN5xO1O1buOZDojS4ZjJn+2MFSz5OihFS6NaBZYkwE12pZpPt4mnVaRnushhKUhFc OryutbVn2l09NCzIp6PGIJx47RFNpNd9xUXny823+Q+ET2PcV64xNpOlNC0EbIgD2vqrROlya3A NyZHCAcWce7xaWGQFkXKYb9mK4kqeeiZzmSkSKbzpYuRrhXhuXDSEjTIkSmtz1Owx+rHa3I3RAX UO7DkQ/2HRZ0b7fqHqh6Fn/6KG+8wFecpf8gvGWjUvU0bT0emr3M7XqgtuE4RM6IlPLcexGQHyd NqhoBNpn5Npff+VHIsPOKGg3v X-Received: by 2002:a05:620a:a107:b0:92e:519a:7c06 with SMTP id af79cd13be357-930b433f303mr114736985a.8.1784279835226; Fri, 17 Jul 2026 02:17:15 -0700 (PDT) X-Received: by 2002:a05:620a:a107:b0:92e:519a:7c06 with SMTP id af79cd13be357-930b433f303mr114735785a.8.1784279834875; Fri, 17 Jul 2026 02:17:14 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1734b1918asm44377666b.43.2026.07.17.02.17.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 Jul 2026 02:17:12 -0700 (PDT) Message-ID: <04a9d8ce-e83a-4307-8b14-4afe739b31e0@oss.qualcomm.com> Date: Fri, 17 Jul 2026 11:17:10 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] arm64: dts: qcom: shikra-iqs-evk: Add LT9611UXD HDMI bridge support To: mohit.dsor@oss.qualcomm.com, Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, venkata.valluru@oss.qualcomm.com, Jessica Zhang , Mohit Dsor References: <20260717-shikra-work-v2-0-86ae8552259e@oss.qualcomm.com> <20260717-shikra-work-v2-1-86ae8552259e@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260717-shikra-work-v2-1-86ae8552259e@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE3MDA5MSBTYWx0ZWRfX/a0xXsOZbk/v TcESfny5+yA5EZDZRDa5W1MEwcqxaa+P33InNgY7SwX7DBzueHFUX+54zWT6rDu4WRoxDcigdnK sV1XrTJ0WJdzoSsZyv3ragBFins+mwgl6GI6f+kzBLS+l+zvmxPhVOtQu1/0JmfovC8oAyDkUJ0 zgF0GHICvL+TZVLGAZQQkxsn0Gdk06l+I2yR+/R7zxWMvjfSEtTmTJjcc34e8fn7o64YaZQJRSW t/WEi1SItCM6cjrapLcgiGIykntJRDC6PI1C3rlxd0CfBS4ZxQd2q0vMer6zr2I07F6X4rhsWf9 830xYf54/MuWKySr4ppZOXLVL+moTZYdIxBG9dEaIPaHgDXWXr231rpUhMVy5Kg6AyAh2YqDnTY c6yXmVohcbHMVqZpInZC78LmnXqanXcEN1d7T/cCqRJlx/TWcfr0j+POqyzVc+TwoYIICU3uBhh oQ54yFgEXdPWx7T4w4g== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE3MDA5MSBTYWx0ZWRfX9EhPhNoXttsh 6CIbSnpWK9zCmptzWr44VlPSs6XsLpwjlHP3KoneFTq2/oKgu5PpYQC0wm/wq4B3wFDRTg66H77 1ezrdGthKWL9UX3lTFJ6seYhivaKzFY= X-Authority-Analysis: v=2.4 cv=KZfidwYD c=1 sm=1 tr=0 ts=6a59f31c cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=evxpD-9nWyVjaAOWT8gA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-GUID: rUS6OOQtx7ujpQ5yQ16H6z9ujOvSUivK X-Proofpoint-ORIG-GUID: rUS6OOQtx7ujpQ5yQ16H6z9ujOvSUivK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-17_02,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 clxscore=1015 malwarescore=0 spamscore=0 adultscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607170091 On 7/16/26 9:30 PM, mohit.dsor@oss.qualcomm.com wrote: > From: Mohit Dsor > > Enable the Shikra MDSS display subsystem on the Qualcomm Shikra IQS > EVK board and add the Lontium LT9611UXD DSI-to-HDMI bridge node. > > The LT9611UXD is connected via I2C (bus 4, address 0x41), powered by > a GPIO-controlled 3.3V regulator (PM8150 GPIO4) and an always-on 1.8V > rail. Reset is on GPIO76 and interrupt on GPIO85. > > The bridge receives DSI output from MDSS and drives an HDMI-A > connector, with the link wired as: DPU -> DSI0 -> LT9611UXD -> HDMI. > > Signed-off-by: Mohit Dsor > --- Does the other EVK not have this same hardware? [...] > +&pm8150_l11 { > + /* DSI VDDA - must be at NOM voltage for PHY PLL lock */ This comment is superfluous Konrad