From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Cc: <devicetree@vger.kernel.org>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Miquel Raynal <miquel.raynal@bootlin.com>
Subject: [PATCH v2 6/7] dt-bindings: iio: adc: max1027: Mark interrupts as optional
Date: Thu, 3 Oct 2019 19:34:00 +0200 [thread overview]
Message-ID: <20191003173401.16343-7-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20191003173401.16343-1-miquel.raynal@bootlin.com>
The chips have a 'start conversion' and a 'end of conversion' pair of
pins. They can be used but this is absolutely not mandatory as regular
polling is supported by the chip depending on its internal clocking
setup.
There is no physical reason to force the use of interrupts so turn
them optional.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
Documentation/devicetree/bindings/iio/adc/max1027-adc.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt
index e680c61dfb84..7b23d68f655c 100644
--- a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt
@@ -3,6 +3,8 @@
Required properties:
- compatible: Should be "maxim,max1027" or "maxim,max1029" or "maxim,max1031"
- reg: SPI chip select number for the device
+
+Optional properties:
- interrupts: IRQ line for the ADC
see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
--
2.20.1
next prev parent reply other threads:[~2019-10-03 17:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-03 17:33 [PATCH v2 0/7] Introduce max12xx ADC support Miquel Raynal
2019-10-03 17:33 ` [PATCH v2 1/7] iio: adc: max1027: Add debugfs register read support Miquel Raynal
2019-10-06 10:04 ` Jonathan Cameron
2019-10-07 10:00 ` Miquel Raynal
2019-10-12 13:56 ` Jonathan Cameron
2019-10-03 17:33 ` [PATCH v2 2/7] iio: adc: max1027: Make it optional to use interrupts Miquel Raynal
2019-10-06 10:18 ` Jonathan Cameron
2019-10-07 10:01 ` Miquel Raynal
2019-10-07 11:44 ` Jonathan Cameron
2019-10-03 17:33 ` [PATCH v2 3/7] iio: adc: max1027: Reset the device at probe time Miquel Raynal
2019-10-03 17:33 ` [PATCH v2 4/7] iio: adc: max1027: Prepare the introduction of different resolutions Miquel Raynal
2019-10-06 10:22 ` Jonathan Cameron
2019-10-07 10:03 ` Miquel Raynal
2019-10-03 17:33 ` [PATCH v2 5/7] iio: adc: max1027: Introduce 12-bit devices support Miquel Raynal
2019-10-06 10:24 ` Jonathan Cameron
2019-10-03 17:34 ` Miquel Raynal [this message]
2019-10-03 17:34 ` [PATCH v2 7/7] dt-bindings: iio: adc: max1027: Document max12xx series compatibles Miquel Raynal
2019-10-06 10:27 ` Jonathan Cameron
2019-10-07 10:04 ` Miquel Raynal
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