linux-kernel - [PATCH 5/6] dt-bindings: tlv320adcx140: Add slot programming property

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Message-ID: <20200915190606.1744-5-dmurphy@ti.com>
Date:   Tue, 15 Sep 2020 14:06:05 -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 5/6] dt-bindings: tlv320adcx140: Add slot programming property

Add a property to configure the each channel to a specific TDM slot.

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 .../bindings/sound/tlv320adcx140.yaml          | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml b/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml
index e79f8d1891e4..dfc00308da94 100644
--- a/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml
+++ b/Documentation/devicetree/bindings/sound/tlv320adcx140.yaml
@@ -114,6 +114,24 @@ properties:
       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.
 
+  ti,slot-mapping:
+    type: boolean
+    description: |
+      Each channel can be assigned a specific TDM slot for either a left or
+      right channel. The left channel values are from 0-31d and the right
+      channel values are from 32-63d. If the right channel value is 32 then the
+      right channel slot will be slot 31.
+      The array index is sequential audio channel to be set.
+      [ch1, ch2, ch3, ch4, ch5, ch6, ch7, ch8]
+      If the channel is not to be used then the channel should be set to it's
+      default value.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 1
+    maxItems: 8
+    items:
+      maximum: 63
+    default: [0, 1, 2, 3, 4, 5, 6, 7]
+
 patternProperties:
   '^ti,gpo-config-[1-4]$':
     $ref: /schemas/types.yaml#/definitions/uint32-array
-- 
2.28.0