From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 3106140D595; Mon, 6 Jul 2026 09:20:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783329612; cv=none; b=oruaS8Ro23CCgu4gZrgz0KTbx50gwuaAiuGvUqvdYjOWK5ygBrajfCCIg8rhkI3i6F7a264fDWWkSiVLzH5zSO+OPZQZ6DD0Dt2mXGZMo1osND+Gk5Ndd+rRsrYxkN7iEDhw3gf2oGcXPM3FmkQbeQUdIGEaImBw/bBX2yGzaeI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783329612; c=relaxed/simple; bh=O/zE4312VPCXdypUYJsfTTOHLEdQ2OMCnUnzj03zKuc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=p0KGEyt2p4f6NqEND7N6p7xnkie/WNNZsEZDR/+vjKUoryuW85Dphre+UJwL5Clrps8dNA/W8HaB+ApIie3TsXBt0v1trebWuPXjXYINQ6O1rW10lP/gPS3kvmPfiM7+9EHohxU2UlHuC0JlSHbUqdLjSd58nfBSC1sEsppR7q0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BhnwX4Wz; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BhnwX4Wz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3C7621F00A3D; Mon, 6 Jul 2026 09:20:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783329606; bh=NykGe/8JY6fX6uvL4ys2ldDvJJxIOLRiDyxOlhbB2m0=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=BhnwX4WzwMPCbDteDW4AJKnC7YEFbKto5dto8dIZyC3swvLBlzr2UfBa0GyV9kQPx iJDxmYbJEjNM4n9riJCO1+9Soxo1Tez6n0/w+c139PjRtwME4empn953scRUDfXY9x ckCQyt1/7tJSFw7SEdNUTnzva5tFc077jts1LSvbPbq1ejXig5fL4TsNOqoDpQ6Ikl Yjmvm0vDNdergQzqg/UVIQIlY6X9VYbOM7nQlvD93EpTSD0CwQjhh0rVLqBG/jSXuu VHH+tHfFYuWvBobuubD4apE56G1+mXb43oscUFFv6HUUj5OgNjm46UfroPakedDhCc WDLOg3fHza9TA== Message-ID: <23580f8f-ba25-4dd7-a2d3-f2df9bc7303d@kernel.org> Date: Mon, 6 Jul 2026 11:19:59 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/4] arm64: dts: qcom: shikra-cqm-evk: Enable display and add ili7807s panel To: Arpit Saini , Nabige Aala , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260706-shikra-dt-changes-v2-0-56fcd1659ea4@oss.qualcomm.com> <20260706-shikra-dt-changes-v2-2-56fcd1659ea4@oss.qualcomm.com> <7815e3ac-30c7-4564-9a7a-6a1ecb9278c8@kernel.org> <52b7ee6e-bd99-4555-8a49-6cdde1331714@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 06/07/2026 10:52, Arpit Saini wrote: > Hi Krzyszto, > > On 7/6/2026 12:03 PM, Krzysztof Kozlowski wrote: >> On 06/07/2026 08:04, Nabige Aala wrote: >>> + lcd_bias: regulator-lcd-bias { >>> + compatible = "regulator-fixed"; >>> + regulator-name = "lcd_bias"; >>> + vin-supply = <&vph_pwr>; >>> + gpio = <&tlmm 151 GPIO_ACTIVE_HIGH>; >>> + enable-active-high; >>> + pinctrl-0 = <&lcd_bias_en>; >>> + pinctrl-names = "default"; >>> + }; >>> + >>> + vph_pwr: vph-pwr-regulator { >> Why so inconsistent names? >> >> Anyway, drop the node, not used and not controllable. > > As per the schematics of LCD display Bias driver , vph_pwr is used as > vin for that. > > So I created vph_pwr , if you want , I can drop that in next patchset. But vph_pwr gets its own supply from main power, which gets from socket, which gets from building wiring, which gets from a power plant... Drop the node, as I said, it is redundant in DTS. Best regards, Krzysztof