From: Lee Jones <lee.jones@linaro.org>
To: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Cc: mazzisaccount@gmail.com, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
heikki.haikola@fi.rohmeurope.com,
mikko.mutanen@fi.rohmeurope.com, Robin Gong <yibin.gong@nxp.com>,
Elven Wang <elven.wang@nxp.com>,
Anson Huang <anson.huang@nxp.com>,
Angus Ainslie <angus.ainslie@puri.sm>
Subject: Re: [PATCH v3 1/3] devicetree: bindings: bd718x7: document HW state related ROHM specific properties
Date: Wed, 20 Mar 2019 13:02:59 +0000 [thread overview]
Message-ID: <20190320130259.GN4731@dell> (raw)
In-Reply-To: <6ed4238fb083f52de0f5f013647b2334bad8ebe4.1550135853.git.matti.vaittinen@fi.rohmeurope.com>
On Thu, 14 Feb 2019, Matti Vaittinen wrote:
> Add ROHM BD71837 / BD71847 specific device tree bindings for
> controlling the PMIC shutdown/reset states and voltages for
> different HW states. The PMIC was designed to be used with NXP
> i.MX8 SoC and it supports SNVS low power state which seems to
> be typical for NXP i.MX SoCs. However, when SNVS is used we must
> not allow SW to control enabling/disabling those regulators which
> are crucial for system to boot as there is a HW limitation which
> causes SW controlled regulators to be kept shut down after SNVS
> reset.
>
> Allow setting the SNVS to be used as reset target state and allow
> marking those regulators which are critical for boot.
>
> Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
> ---
> .../devicetree/bindings/mfd/rohm,bd71837-pmic.txt | 17 ++++++++++
> .../bindings/regulator/rohm,bd71837-regulator.txt | 38 ++++++++++++++++++++++
> 2 files changed, 55 insertions(+)
Needs a DT Ack.
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2019-03-20 13:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-14 9:34 [PATCH v3 0/3] bd718x7: Support SNVS low power state Matti Vaittinen
2019-02-14 9:34 ` [PATCH v3 1/3] devicetree: bindings: bd718x7: document HW state related ROHM specific properties Matti Vaittinen
2019-02-14 14:58 ` Angus Ainslie
2019-03-20 13:02 ` Lee Jones [this message]
2019-03-20 14:17 ` Matti Vaittinen
2019-03-21 8:23 ` Lee Jones
2019-03-21 12:50 ` Vaittinen, Matti
2019-03-25 6:28 ` Lee Jones
2019-02-14 9:38 ` [PATCH v3 2/3] regulator: add regulator_desc_list_voltage_linear_range Matti Vaittinen
2019-02-14 14:59 ` Angus Ainslie
2019-02-14 9:39 ` [PATCH v3 3/3] regulator: bd718x7: Support SNVS low power state Matti Vaittinen
2019-02-14 15:00 ` Angus Ainslie
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