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 BEAF7221F20; Wed, 12 Aug 2026 02:14:15 +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=1786500856; cv=none; b=de3TUVXviUXRCTP9n9KlR8jli9TzoIFqixw0cyOKzXJUjF4WMF7aMFymGrxLJ5LtO5a+Ec8GEryrJErIo74rW1b5BNuookaU/MbOx2S7YAyZxXWKHGbOcNXxmOsEgma9VaeVSLvjluoVNk1dw7yaje5a43zYTCGdczEcLXRFTks= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786500856; c=relaxed/simple; bh=cjp5466UPtGsRI1oPPhujznS23m0UTvCNCpSRltINWo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=msAS6/UF0WE73tEfBa30+aSfl+026unWBsR1UFOpT+b/o6qsF3bXeY1PAMcunN+z2IBtmkjl6iAHCf534q0cBv9l6zvYt3x4zhpPB7R8PO8eVNsNMxbBd69fCs5FxloUccqWIQ/SGkVL0yQ84QYzsBcnKkVBx+BZ1HOIoZMYnHc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kYleE3OX; 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="kYleE3OX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 764D01F000E9; Wed, 12 Aug 2026 02:14:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786500855; bh=y5ZRVDWon254SFNP+iXzizz1fTYM1I6XRxtfO4wD3RU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=kYleE3OXKSup0WqEViKSGN+l5FIYFD+IA3b/JkLgQDZnbGJc/8MORzkhmW9Y1tnZR YpOSGqnIYh2HHs13NJPQcy+v6+JWvF+Lz+puoEkzvVK7QiICr00uzvHM7rYLSuEEff Sv5auD9hvcC0rv9BNWRCFfzfpJQ3MsrumWW6TvEmbxQMAewblCwjGy5mnakx61ZqPL UWQstuHi1yYYg+MOk9tsNQpDO2W15l+uzTNva7m2fS2wiqeQAKM0GbgFTON578yzb5 SB2Iv04FwMSOGlvMLmrrQ7B5yALMyre1tZOdLEcPbb0RmRC85NSL1/PejbuhG1Rb/J 4bH2uMX7CxG5g== Date: Tue, 11 Aug 2026 21:14:14 -0500 From: Rob Herring To: Qiang Yu Cc: Bjorn Andersson , Michael Turquette , Stephen Boyd , Brian Masney , Krzysztof Kozlowski , Conor Dooley , Taniya Das , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/3] dt-bindings: clock: qcom: Move x1e80100 TCSR to own binding Message-ID: <20260812021414.GA544668-robh@kernel.org> References: <20260805-hamoa_tcsr_qref_0805-v2-0-4f1cfb1fcab2@oss.qualcomm.com> <20260805-hamoa_tcsr_qref_0805-v2-1-4f1cfb1fcab2@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260805-hamoa_tcsr_qref_0805-v2-1-4f1cfb1fcab2@oss.qualcomm.com> On Wed, Aug 05, 2026 at 10:34:55PM -0700, Qiang Yu wrote: > The QREF block supplies reference clocks to PCIe/USB/UFS PHYs and > requires dedicated LDO supplies to operate. The digital control > interface for QREF (clkref_en registers) resides in TCSR on x1e80100. > Since QREF has no dedicated DT node of its own, these supply > properties are placed in the TCSR node which acts as the control > interface for QREF. > > These LDOs are required by QREF to provide a stable reference clock, > without which the USB/PCIe/eDP PHYs cannot work properly, so they are > marked required even though it breaks ABI. > > Add a dedicated binding file for qcom,x1e80100-tcsr and document the > supply properties. > > Signed-off-by: Qiang Yu > --- > .../bindings/clock/qcom,sm8550-tcsr.yaml | 1 - > .../bindings/clock/qcom,x1e80100-tcsr.yaml | 118 +++++++++++++++++++++ > 2 files changed, 118 insertions(+), 1 deletion(-) sashiko issue needs to be addressed.