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Date: Wed, 20 Mar 2019 13:02:59 +0000 From: Lee Jones <lee.jones@...aro.org> To: Matti Vaittinen <matti.vaittinen@...rohmeurope.com> Cc: mazzisaccount@...il.com, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, heikki.haikola@...rohmeurope.com, mikko.mutanen@...rohmeurope.com, Robin Gong <yibin.gong@....com>, Elven Wang <elven.wang@....com>, Anson Huang <anson.huang@....com>, Angus Ainslie <angus.ainslie@...i.sm> Subject: Re: [PATCH v3 1/3] devicetree: bindings: bd718x7: document HW state related ROHM specific properties 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@...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
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