From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones 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 Message-ID: <20190320130259.GN4731@dell> References: <6ed4238fb083f52de0f5f013647b2334bad8ebe4.1550135853.git.matti.vaittinen@fi.rohmeurope.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <6ed4238fb083f52de0f5f013647b2334bad8ebe4.1550135853.git.matti.vaittinen@fi.rohmeurope.com> Sender: linux-kernel-owner@vger.kernel.org To: Matti Vaittinen Cc: mazzisaccount@gmail.com, Rob Herring , Mark Rutland , Liam Girdwood , Mark Brown , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, heikki.haikola@fi.rohmeurope.com, mikko.mutanen@fi.rohmeurope.com, Robin Gong , Elven Wang , Anson Huang , Angus Ainslie List-Id: devicetree@vger.kernel.org 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 > --- > .../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