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 A3CDBC3DA49 for ; Tue, 16 Jul 2024 07:25:51 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PjDMavejoGVEv7QjLeDB3YVdX3A49DaJefFqLGPGtKI=; b=e0gMfBASZlW/BRv7apX3baHyvS dHSGvlYluUe9/RQB16txb4N5S28f0epNtZhs46iPHCWWYZVGXFkV4NAf8SzDZ0B7sTU8o8bgdbYfb UAK5OuBU7TAPrVRzf1BqDoFxfUl7f2zms0SAORggcTt0QzLW7J4mNeY9gxCoVTtlz9rZJIveKyBQQ Sbbuil9XsUKJSNJPXH6DAV/3wS04e9waOlOBGMqG5NfzSTOic8zsMDx5XH4O3tqmHYyGUflyKEN3S 2Q0ZqbfYCJGkeTTSFtHt5t6Npz7kzyP71JtFZVAjINH14gT6N7SwoNuXEK9wbEiqCkpY8c+Whrc/r 10klA4YQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTcZ8-00000009aAX-0Hzg; Tue, 16 Jul 2024 07:25:38 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTcYo-00000009a6T-0DT2 for linux-arm-kernel@lists.infradead.org; Tue, 16 Jul 2024 07:25:19 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 6A16760E71; Tue, 16 Jul 2024 07:25:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85B55C4AF09; Tue, 16 Jul 2024 07:25:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721114717; bh=r3mGYS735n6Kpf+W0MDkb4qzQlTavr+UClBdemaX3/c=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=uR7Ufq5zEz0ldfumh9hV1O2Sf+WCqcqVY0iJ/1Dk+GKzLZvS1dfwst6hEYlJlj4Oc dCbVIfr7dNZPR1Th7kfHJdheq4XcGq4Ddr1MJKCqgWyzEFFarQ89WXgr14lYCSZozC 0ddKd/Fu2vXtP3y3wFprjCkqwuU5jwGxH9svCSSFUREb1rtmvT+7lrPFriyZsVcSXz BB6nvrLKJsbPTKuh2OUXEvN1W1BtEkiSqzQj8B92BGAqBkwQkt+ht/porzS++obDZe aoLD+RTqafQrZuoiLWYoKp33l9qKj+yfvVwpgPCPY9UW2bsIVdOHl68AMsg5s+JFcK v3/pGsnTiGWcQ== Message-ID: Date: Tue, 16 Jul 2024 09:25:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V2 4/7] dt-bindings: PCI: host-generic-pci: Add power-domains related binding To: Mayank Rana , will@kernel.org, lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, jingoohan1@gmail.com, manivannan.sadhasivam@linaro.org, cassel@kernel.org, yoshihiro.shimoda.uh@renesas.com, s-vadapalli@ti.com, u.kleine-koenig@pengutronix.de, dlemoal@kernel.org, amishin@t-argos.ru, thierry.reding@gmail.com, jonathanh@nvidia.com, Frank.Li@nxp.com, ilpo.jarvinen@linux.intel.com, vidyas@nvidia.com, marek.vasut+renesas@gmail.com, krzk+dt@kernel.org, conor+dt@kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: quic_ramkri@quicinc.com, quic_nkela@quicinc.com, quic_shazhuss@quicinc.com, quic_msarkar@quicinc.com, quic_nitegupt@quicinc.com References: <1721067215-5832-1-git-send-email-quic_mrana@quicinc.com> <1721067215-5832-5-git-send-email-quic_mrana@quicinc.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240716_002518_208909_A0025215 X-CRM114-Status: GOOD ( 12.34 ) 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 15/07/2024 20:13, Mayank Rana wrote: > Add "power-domains" usage (optional) related binding to power up ECAM > compliant PCIe root complex. > > Signed-off-by: Mayank Rana > --- > Documentation/devicetree/bindings/pci/host-generic-pci.yaml | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/host-generic-pci.yaml b/Documentation/devicetree/bindings/pci/host-generic-pci.yaml > index 3484e0b..9c714fa 100644 > --- a/Documentation/devicetree/bindings/pci/host-generic-pci.yaml > +++ b/Documentation/devicetree/bindings/pci/host-generic-pci.yaml > @@ -110,6 +110,12 @@ properties: > iommu-map-mask: true > msi-parent: true > > + power-domains: > + maxItems: 1 > + description: > + A phandle to the node that controls power or/and system resource or interface to firmware Wrap how Coding Style asks (so 80). I am sorry, but power domains are power domains, not interface to firmware to enable your hardware. Rephrase it to actually describe the hardware. Also, drop all redundant information. It cannot be anything else than phandle to the node... > + to enable ECAM compliant PCIe root complex. > + Anyway, there are no DTS users with such power domain. Look at the binding and its compatibles. Does any of these devices have power domain? No. Best regards, Krzysztof