From: Rob Herring <robh@kernel.org>
To: Jonathan Albrieux <jonathan.albrieux@gmail.com>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Lars-Peter Clausen <lars@metafoo.de>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
linux-iio@vger.kernel.org,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
Jonathan Cameron <jic23@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
linux-kernel@vger.kernel.org, Hartmut Knaack <knaack.h@gmx.de>,
~postmarketos/upstreaming@lists.sr.ht,
devicetree@vger.kernel.org
Subject: Re: [PATCH v6 3/5] dt-bindings: iio: magnetometer: ak8975: add gpio reset support
Date: Tue, 26 May 2020 16:29:24 -0600 [thread overview]
Message-ID: <20200526222924.GA500332@bogus> (raw)
In-Reply-To: <20200525151117.32540-4-jonathan.albrieux@gmail.com>
On Mon, 25 May 2020 17:10:37 +0200, Jonathan Albrieux wrote:
> Add reset-gpio support.
>
> Without reset's deassertion during ak8975_power_on(), driver's probe fails
> on ak8975_who_i_am() while checking for device identity for AK09911 chip.
>
> AK09911 has an active low reset gpio to handle register's reset.
> AK09911 datasheet says that, if not used, reset pin should be connected
> to VID. This patch emulates this situation.
>
> Signed-off-by: Jonathan Albrieux <jonathan.albrieux@gmail.com>
> ---
> .../bindings/iio/magnetometer/asahi-kasei,ak8975.yaml | 7 +++++++
> 1 file changed, 7 insertions(+)
>
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2020-05-26 22:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-25 15:10 [PATCH v6 0/4] iio: magnetometer: ak8975: Add gpio reset support Jonathan Albrieux
2020-05-25 15:10 ` [PATCH v6 1/5] dt-bindings: iio: magnetometer: ak8975: reword gpios, add interrupts, fix style Jonathan Albrieux
2020-05-26 22:24 ` Rob Herring
2020-05-25 15:10 ` [PATCH v6 2/5] dt-bindings: iio: magnetometer: ak8975: convert format to yaml, add maintainer Jonathan Albrieux
2020-05-26 22:28 ` Rob Herring
2020-05-27 15:29 ` Jonathan Albrieux
2020-05-25 15:10 ` [PATCH v6 3/5] dt-bindings: iio: magnetometer: ak8975: add gpio reset support Jonathan Albrieux
2020-05-26 9:22 ` Linus Walleij
2020-05-26 17:11 ` Jonathan Albrieux
2020-05-26 22:29 ` Rob Herring [this message]
2020-05-25 15:10 ` [PATCH v6 4/5] iio: magnetometer: ak8975: Fix typo, uniform measurement unit style Jonathan Albrieux
2020-05-25 15:10 ` [PATCH v6 5/5] iio: magnetometer: ak8975: Add gpio reset support Jonathan Albrieux
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