linux-kernel - [PATCH v4 7/9] dt-bindings: iio: adc: mcp3911: add microchip,data-ready-hiz entry

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Message-Id: <20220722130726.7627-8-marcus.folkesson@gmail.com>
Date:   Fri, 22 Jul 2022 15:07:24 +0200
From:   Marcus Folkesson <marcus.folkesson@...il.com>
To:     Marcus Folkesson <marcus.folkesson@...il.com>,
        Kent Gustavsson <kent@...oris.se>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v4 7/9] dt-bindings: iio: adc: mcp3911: add microchip,data-ready-hiz entry

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@...il.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../devicetree/bindings/iio/adc/microchip,mcp3911.yaml     | 7 +++++++
 1 file changed, 7 insertions(+)

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
-- 
2.36.1