linux-kernel - Re: [PATCH v4 2/6] dt-bindings: PCI: Add bindings for Brcmstb endpoint device voltage regulators

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Message-ID: <20210406173211.GP6443@sirena.org.uk>
Date:   Tue, 6 Apr 2021 18:32:11 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Jim Quinlan <jim2101024@...il.com>
Cc:     linux-pci <linux-pci@...r.kernel.org>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Rob Herring <robh@...nel.org>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        Jim Quinlan <james.quinlan@...adcom.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/6] dt-bindings: PCI: Add bindings for Brcmstb
 endpoint device voltage regulators

On Tue, Apr 06, 2021 at 01:26:51PM -0400, Jim Quinlan wrote:
> On Tue, Apr 6, 2021 at 12:47 PM Mark Brown <broonie@...nel.org> wrote:

> > No great problem with having these in the controller node (assming it
> > accurately describes the hardware) but I do think we ought to also be
> > able to describe these per slot.

> Can you explain what you think that would look like in the DT?

I *think* that's just some properties on the nodes for the endpoints,
note that the driver could just ignore them for now.  Not sure where or
if we document any extensions but child nodes are in section 4 of the
v2.1 PCI bus binding.

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