From: Florian Fainelli <f.fainelli@gmail.com>
To: "Rafał Miłecki" <zajec5@gmail.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Rob Herring" <robh+dt@kernel.org>
Cc: "Philipp Zabel" <p.zabel@pengutronix.de>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
"Kevin Hilman" <khilman@kernel.org>,
"Ulf Hansson" <ulf.hansson@linaro.org>,
devicetree@vger.kernel.org,
bcm-kernel-feedback-list@broadcom.com,
linux-kernel@vger.kernel.org, "Rafał Miłecki" <rafal@milecki.pl>
Subject: Re: [PATCH V2 0/2] Broadcom's PMB (Power Management Bus) support
Date: Tue, 12 Jan 2021 20:46:28 -0800 [thread overview]
Message-ID: <b3836eff-ea33-1779-5e33-a569ae2d38e8@gmail.com> (raw)
In-Reply-To: <20201214180743.14584-1-zajec5@gmail.com>
On 12/14/2020 10:07 AM, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@milecki.pl>
>
> PMB is a hardware block used for powering SoC devices like PCIe, USB,
> SATA. Initially I planned to treat it as a reset controller and Philipp
> pointed out in review that PMB driver should use a power subsystem.
>
> This is my refactored support.
>
> ***
>
> Please note one difference when compared to the initial reset attempt.
>
> As I store info about SoC devices in the driver now, I had to put
> support for multiple buses there. That's required to avoid things like:
>
> compatible = "brcm,bcm4908-pmb-no-1";
> compatible = "brcm,bcm4908-pmb-no-2";
>
> So now a single "reg" covers bigger buses (e.g. 0x40) in size, see:
>
> reg = <0x802800e0 0x40>;
>
> Other SoCs my use something like:
>
> reg = <0x802800e0 0x20>;
> reg = <0x802800e0 0x60>;
>
> ***
>
> AFAIU this should go through Florian's tree. I based in on top of the
> soc-arm64/next.
>
> V2: Use drivers/soc/bcm/bcm63xx/ and add Kconfig help message
Series applied to drivers/next, thanks!
--
Florian
prev parent reply other threads:[~2021-01-13 4:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-14 18:07 [PATCH V2 0/2] Broadcom's PMB (Power Management Bus) support Rafał Miłecki
2020-12-14 18:07 ` [PATCH V2 1/2] dt-bindings: power: document Broadcom's PMB binding Rafał Miłecki
2020-12-15 17:51 ` Rob Herring
2020-12-15 18:22 ` Florian Fainelli
2021-01-12 13:14 ` Ulf Hansson
2020-12-14 18:07 ` [PATCH V2 2/2] soc: bcm: add PM driver for Broadcom's PMB Rafał Miłecki
2020-12-15 18:24 ` Florian Fainelli
2021-01-12 13:14 ` Ulf Hansson
2021-01-13 4:46 ` Florian Fainelli [this message]
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