linux-kernel - [PATCH 3/6] dt-bindings: tlv320adcx140: Add ASI Tx drive

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Message-ID: <20200915190606.1744-3-dmurphy@ti.com>
Date:   Tue, 15 Sep 2020 14:06:03 -0500
From:   Dan Murphy <dmurphy@...com>
To:     <lgirdwood@...il.com>, <broonie@...nel.org>, <tiwai@...e.com>,
        <robh+dt@...nel.org>
CC:     <devicetree@...r.kernel.org>, <camel.guo@...s.com>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        Dan Murphy <dmurphy@...com>
Subject: [PATCH 3/6] dt-bindings: tlv320adcx140: Add ASI Tx drive

Add a property to indicate if the device is to go into a High-z state on
the Tx ASI output pins when the device is idle.

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 Documentation/devicetree/bindings/sound/tlv320adcx140.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml b/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml
index f578f17f3e04..e79f8d1891e4 100644
--- a/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml
+++ b/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml
@@ -108,6 +108,12 @@ properties:
       maximum: 7
     default: [0, 0, 0, 0]
 
+  ti,asi-tx-drive:
+    type: boolean
+    description: |
+      When set the device will set the Tx ASI output to a Hi-Z state for unused
+      data cycles. Default is to drive the output low on unused ASI cycles.
+
 patternProperties:
   '^ti,gpo-config-[1-4]$':
     $ref: /schemas/types.yaml#/definitions/uint32-array
-- 
2.28.0