From: Mark Brown <broonie@kernel.org>
To: Jim Quinlan <jim2101024@gmail.com>
Cc: Rob Herring <robh@kernel.org>,
Jim Quinlan <james.quinlan@broadcom.com>,
linux-pci <linux-pci@vger.kernel.org>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
bcm-kernel-feedback-list <bcm-kernel-feedback-list@broadcom.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Bjorn Helgaas <bhelgaas@google.com>,
"moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE"
<linux-rpi-kernel@lists.infradead.org>,
"moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 1/6] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators
Date: Tue, 5 Jan 2021 14:01:28 +0000 [thread overview]
Message-ID: <20210105140128.GC4487@sirena.org.uk> (raw)
In-Reply-To: <CANCKTBsFALwF8Hy-=orH8D-nd-qyXqFDopATmKCvbqPbUTC7Sw@mail.gmail.com>
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On Mon, Jan 04, 2021 at 05:12:11PM -0500, Jim Quinlan wrote:
> For us, the supplies are for the EP chip's power. We have the PCIe
> controller turning them "on" for power-on/resume and "off" for
> power-off/suspend. We need the "xxx-supply" property in the
> controller's DT node because of the chicken-and-egg situation: if the
> property was in the EP's DT node, the RC will never discover the EP
> to see that there is a regulator to turn on. We would be happy with
> a single supply name, something like "ep-power". We would be ecstatic
> to have two (ep0-power, ep1-power).
Why can't the controller look at the nodes describing devices for
standard properties?
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next prev parent reply other threads:[~2021-01-05 14:02 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 21:11 [PATCH v2 0/6] brcmstb: add EP regulators and panic handler Jim Quinlan
2020-11-30 21:11 ` [PATCH v2 1/6] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators Jim Quinlan
2020-12-09 14:01 ` Rob Herring
2021-01-04 22:12 ` Jim Quinlan
2021-01-05 14:01 ` Mark Brown [this message]
2021-01-05 15:09 ` Jim Quinlan
2021-01-05 15:33 ` Mark Brown
2021-01-07 22:31 ` Rob Herring
2020-11-30 21:11 ` [PATCH v2 2/6] PCI: brcmstb: Add control of EP voltage regulator(s) Jim Quinlan
2020-11-30 21:32 ` Florian Fainelli
2020-11-30 21:11 ` [PATCH v2 3/6] PCI: brcmstb: Do not turn off regulators if EP can wake up Jim Quinlan
2020-11-30 21:29 ` Florian Fainelli
2020-11-30 21:11 ` [PATCH v2 4/6] PCI: brcmstb: Give 7216 SOCs their own config type Jim Quinlan
2020-11-30 21:24 ` Florian Fainelli
2020-11-30 21:11 ` [PATCH v2 5/6] PCI: brcmstb: Add panic/die handler to RC driver Jim Quinlan
2020-11-30 21:28 ` Florian Fainelli
2020-12-01 18:05 ` Bjorn Helgaas
2020-12-01 20:12 ` Jim Quinlan
2021-01-06 19:19 ` Bjorn Helgaas
[not found] ` <CA+-6iNzARUT63Mv7qFzk_g5wep4v6aPuN8f8yjQcgozVcKhVTw@mail.gmail.com>
2021-01-06 19:57 ` Jim Quinlan
2021-01-06 23:11 ` Bjorn Helgaas
2020-11-30 21:11 ` [PATCH v2 6/6] PCI: brcmstb: check return value of clk_prepare_enable() Jim Quinlan
2020-11-30 21:24 ` Florian Fainelli
2021-01-06 19:19 ` [PATCH v2 0/6] brcmstb: add EP regulators and panic handler Bjorn Helgaas
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