From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2388BCA100F for ; Mon, 22 Sep 2025 16:50:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=oQXUTzzCj82gfW4QWCXnO/vM+d1/Db+iUW/tg6Y56y4=; b=sJkmMmYf9SoO5mjg3Hwyh2k3l+ eTBmaoTW8VZf7CgZOdMycbQInMRTcqBGwMIHvpFmlKYTwJNyiF8llFCY5Nt3Y0ilip7On5hFZ2yG7 Ew1tn+OhYnO4vCdvv762bJKe3EJ1o+qANCwo1gsCENx5KYpkBhHnAqbRZxbpII8AF3DEQzEZ2WcAr 2Loa/XAoo7iW5JO/p5PItj+glFn+kWqB5LOEmNGxSUe+4jmdG1tv12RZDWe0oohyis87/w0KImkvz 6g70dgVxQyF7hokqiNLm0fWBiGIsTFmTztgzrjgrFN/0A3JFwMmszrM2VAXlSWSOOaboEFJI5kqLf 0Qu45Wfw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v0jkY-0000000B1oz-1g1t; Mon, 22 Sep 2025 16:50:50 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v0jkX-0000000B1oY-06Pr for linux-arm-kernel@lists.infradead.org; Mon, 22 Sep 2025 16:50:49 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 4ACA6601FE; Mon, 22 Sep 2025 16:50:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D97B2C4CEF0; Mon, 22 Sep 2025 16:50:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758559848; bh=SmYHS6MJbi0vRw6qB/2BTayFi9UqFpognQacTg5pVXs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JgRpaLe9mPRAsaZBexDSLcYyDGflu/cGHmjb5A9woWtWBlZh8F+Y5dWKZcg7Z4z0i HtICrPn/KFhQzRUKM108f42vF4MgHew/4egR5ogSg81mN/p4u4TKOVl54Zl3aXz0t1 ggStJsUqvvbf0cVxY612FdiDDuN2pJcbXZ1tgNrEoQ5AhUrdCzatcgF/e/Dtvilh4q PkhvkyYOEGn1hxon29vLtkRZNnuYG/dRHVy/HLewwRhbvdl0L6RZMfeI/Mxc5/A2C+ KVasxB4FpAIaSBIVys8eBlJVfEyGlJeMrr/JJfyLieBk3hyCck6PGHCPPWwsZfeZ9L hcxxm1LYYEsxQ== Date: Mon, 22 Sep 2025 11:50:47 -0500 From: Rob Herring To: Richard Zhu Cc: frank.li@nxp.com, l.stach@pengutronix.de, lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, bhelgaas@google.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 1/3] dt-bindings: PCI: dwc: Add one more reference clock Message-ID: <20250922165047.GA436960-robh@kernel.org> References: <20250917045238.1048484-1-hongxing.zhu@nxp.com> <20250917045238.1048484-2-hongxing.zhu@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250917045238.1048484-2-hongxing.zhu@nxp.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Sep 17, 2025 at 12:52:36PM +0800, Richard Zhu wrote: > Add one more reference clock "extref" for a reference clock that comes > from external crystal oscillator. See what I just commented on v5. > > Signed-off-by: Richard Zhu > Reviewed-by: Frank Li > --- > .../devicetree/bindings/pci/snps,dw-pcie-common.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml b/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml > index 34594972d8db..0134a759185e 100644 > --- a/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml > +++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml > @@ -105,6 +105,12 @@ properties: > define it with this name (for instance pipe, core and aux can > be connected to a single source of the periodic signal). > const: ref > + - description: > + Some dwc wrappers (like i.MX95 PCIes) have two reference clock > + inputs, one from an internal PLL, the other from an off-chip crystal > + oscillator. If present, 'extref' refers to a reference clock from > + an external oscillator. > + const: extref > - description: > Clock for the PHY registers interface. Originally this is > a PHY-viewport-based interface, but some platform may have > -- > 2.37.1 >