linux-kernel - [PATCH v2 03/10] dt-bindings: iio: pressure: honeywell,mprls0025pa.yaml add spi bus

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Date: Sun, 24 Dec 2023 16:34:48 +0200
From: Petre Rodan <petre.rodan@...dimension.ro>
To: linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Petre Rodan <petre.rodan@...dimension.ro>,
	Andreas Klinger <ak@...klinger.de>,
	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>
Subject: [PATCH v2 03/10] dt-bindings: iio: pressure: honeywell,mprls0025pa.yaml add spi bus

Add spi based example.

Add spi-max-frequency property required by chip specifications.

Add additional maintainer.

Signed-off-by: Petre Rodan <petre.rodan@...dimension.ro>
Signed-off-by: Andreas Klinger <ak@...klinger.de>
---
 .../iio/pressure/honeywell,mprls0025pa.yaml   | 26 +++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
index e4021306d187..430496b047c7 100644
--- a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
+++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
@@ -8,12 +8,12 @@ title: Honeywell mprls0025pa pressure sensor

 maintainers:
   - Andreas Klinger <ak@...klinger.de>
+  - Petre Rodan <petre.rodan@...dimension.ro>

 description: |
   Honeywell pressure sensor of model mprls0025pa.

-  This sensor has an I2C and SPI interface. Only the I2C interface is
-  implemented.
+  This sensor has an I2C and SPI interface. Both are supported.

   There are many models with different pressure ranges available. The vendor
   calls them "mpr series". All of them have the identical programming model and
@@ -88,6 +88,9 @@ properties:
       Maximum pressure value the sensor can measure in pascal.
       To be specified only if honeywell,pressure-triplet is not set.

+  spi-max-frequency:
+    maximum: 800000
+
   vdd-supply:
     description: provide VDD power to the sensor.

@@ -135,3 +138,22 @@ examples:
             vdd-supply = <&vcc_3v3>;
         };
     };
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pressure@0 {
+            compatible = "honeywell,mprls0025pa";
+            reg = <0>;
+            spi-max-frequency = <800000>;
+            reset-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+            interrupt-parent = <&gpio0>;
+            interrupts = <30 IRQ_TYPE_EDGE_RISING>;
+
+            honeywell,pressure-triplet = "0015PA";
+            honeywell,transfer-function = <1>;
+            vdd-supply = <&vcc_3v3>;
+        };
+    };
+...
--
2.41.0