From: Russell King - ARM Linux <linux@armlinux.org.uk>
To: Jon Hunter <jonathanh@nvidia.com>
Cc: Marcel Ziswiler <marcel.ziswiler@toradex.com>,
"linus.walleij@linaro.org" <linus.walleij@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"robert.jarzmik@free.fr" <robert.jarzmik@free.fr>,
"aaro.koskinen@iki.fi" <aaro.koskinen@iki.fi>,
"jacopo@jmondi.org" <jacopo@jmondi.org>,
"m.szyprowski@samsung.com" <m.szyprowski@samsung.com>,
"broonie@kernel.org" <broonie@kernel.org>,
"shc_work@mail.ru" <shc_work@mail.ru>,
"haojian.zhuang@gmail.com" <haojian.zhuang@gmail.com>,
"lgirdwood@gmail.com" <lgirdwood@gmail.com>,
"rppt@linux.vnet.ibm.com" <rppt@linux.vnet.ibm.com>,
"zonque@gmail.com" <zonque@gmail.com>,
"marc.zyngier@arm.com" <marc.zyngier@arm.com>,
"philipp.zabel@gmail.com" <philipp.zabel@gmail.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@>
Subject: Re: [PATCH v7] regulator: fixed: Convert to use GPIO descriptor only
Date: Fri, 12 Oct 2018 11:43:38 +0100 [thread overview]
Message-ID: <20181012104338.GS30658@n2100.armlinux.org.uk> (raw)
In-Reply-To: <c1722bee-230a-d0ad-d2de-790ab1ce9fcf@nvidia.com>
On Fri, Oct 12, 2018 at 11:39:15AM +0100, Jon Hunter wrote:
> We had the same situation for Tegra124 Jetson TK1 but I don't think that
> adding a pseudo intermediate regulator is cleaner. If the GPIO controls
> more than one regulator, I don't see why is it necessary to change the
> DT. There are several other people reporting the same problem with
> various different boards. So this does seem to be a common usage.
Given that DT describes the hardware, not the software implementation,
it must not change just because we move from GPIO numbers to GPIO
descriptors.
The existing DT description is reasonable, and introducing ficticious
regulators in DT to work around the implementation is not reasonable.
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up
According to speedtest.net: 11.9Mbps down 500kbps up
next prev parent reply other threads:[~2018-10-12 10:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20181011090112eucas1p286d8c1edfc1a2a207d8a11c5ad7eb20e@eucas1p2.samsung.com>
[not found] ` <20180906122436.25610-1-linus.walleij@linaro.org>
[not found] ` <20181011090112eucas1p286d8c1edfc1a2a207d8a11c5ad7eb20e~cglSx9qcr2394623946eucas1p2y@eucas1p2.samsung.com>
[not found] ` <CACRpkdbTdmQQTg1D9jbcHGcT4kZermwVA+QEnUJGf+VYqoKRkg@mail.gmail.com>
2018-10-11 15:00 ` [PATCH v7] regulator: fixed: Convert to use GPIO descriptor only Jon Hunter
2018-10-11 15:34 ` Marcel Ziswiler
2018-10-11 17:47 ` Linus Walleij
2018-10-12 9:43 ` Marcel Ziswiler
2018-10-12 10:39 ` Jon Hunter
2018-10-12 10:43 ` Russell King - ARM Linux [this message]
2018-10-12 11:03 ` Linus Walleij
2018-10-12 11:43 ` Marcel Ziswiler
2018-10-12 12:59 ` Russell King - ARM Linux
2018-10-12 13:13 ` Marcel Ziswiler
2018-10-12 16:57 ` Mark Brown
2018-10-12 13:58 ` Andy Shevchenko
2018-10-12 16:17 ` Mark Brown
2018-10-11 17:45 ` Linus Walleij
2018-10-12 10:25 ` Jon Hunter
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