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Message-Id: <20240815-ad7606_add_iio_backend_support-v1-1-cea3e11b1aa4@baylibre.com>
Date: Thu, 15 Aug 2024 12:11:55 +0000
From: Guillaume Stols <gstols@...libre.com>
To: Uwe Kleine-König <ukleinek@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Michael Hennerich <Michael.Hennerich@...log.com>,
Jonathan Cameron <jic23@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J. Wysocki" <rafael@...nel.org>, Jonathan Corbet <corbet@....net>
Cc: linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org,
Michael Hennerich <michael.hennerich@...log.com>,
linux-fbdev@...r.kernel.org, linux-iio@...r.kernel.org,
devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
Guillaume Stols <gstols@...libre.com>,
20240705211452.1157967-2-u.kleine-koenig@...libre.com,
20240712171821.1470833-2-u.kleine-koenig@...libre.com,
cover.1721040875.git.u.kleine-koenig@...libre.com, aardelean@...libre.com
Subject: [PATCH 1/8] dt-bindings: iio: adc: ad7606: Make corrections on spi
conditions
The SPI conditions are not always required, because there is also a
parallel interface. The way used to detect that the SPI interface is
used is to check if the reg value is between 0 and 256.
There is also a correction on the spi-cpha that is not required when SPI
interface is selected, while spi-cpol is.
Signed-off-by: Guillaume Stols <gstols@...libre.com>
---
.../devicetree/bindings/iio/adc/adi,ad7606.yaml | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
index 69408cae3db9..c0008d36320f 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
@@ -117,15 +117,26 @@ properties:
required:
- compatible
- reg
- - spi-cpha
- avcc-supply
- vdrive-supply
- interrupts
- adi,conversion-start-gpios
-allOf:
- - $ref: /schemas/spi/spi-peripheral-props.yaml#
+# This checks if reg is a chipselect so the device is on an SPI
+# bus, the if-clause will fail if reg is a tuple such as for a
+# platform device.
+if:
+ properties:
+ reg:
+ minimum: 0
+ maximum: 256
+then:
+ allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+ - required:
+ - spi-cpol
+allOf:
- if:
properties:
compatible:
--
2.34.1
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