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[v3,7/9] dt-bindings: iio: adc: mcp3911: add microchip,data-ready-hiz entry

Message ID 20220704172116.195841-8-marcus.folkesson@gmail.com (mailing list archive)
State Changes Requested
Headers show
Series Improve MCP3911 driver | expand

Commit Message

Marcus Folkesson July 4, 2022, 5:21 p.m. UTC 
The Data Ready Output Pin is either hard wired to work as high
impedance or push-pull. Make it configurable.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 .../devicetree/bindings/iio/adc/microchip,mcp3911.yaml     | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
index 95ab285f4eba..57a16380f864 100644
--- a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
@@ -36,6 +36,13 @@  properties:
     description: IRQ line of the ADC
     maxItems: 1
 
+  microchip,data-ready-hiz:
+    description:
+      Data Ready Pin Inactive State Control
+      true = The DR pin state is high-impedance when data are NOT ready
+      false = The DR pin state is a logic high when data are NOT ready
+    type: boolean
+
   microchip,device-addr:
     description: Device address when multiple MCP3911 chips are present on the same SPI bus.
     $ref: /schemas/types.yaml#/definitions/uint32