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Date: Fri, 17 Feb 2023 14:41:50 +0200
From: Claudiu Beznea <claudiu.beznea@...rochip.com>
To: <lgirdwood@...il.com>, <broonie@...nel.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <perex@...ex.cz>,
<tiwai@...e.com>, <nicolas.ferre@...rochip.com>,
<alexandre.belloni@...tlin.com>
CC: <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
Claudiu Beznea <claudiu.beznea@...rochip.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 2/3] ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding
Add microchip,startup-delay-us binding to let PDMC users to specify
startup delay.
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
.../devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml b/Documentation/devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml
index c4cf1e5ab84b..9b40268537cb 100644
--- a/Documentation/devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml
+++ b/Documentation/devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml
@@ -67,6 +67,12 @@ properties:
maxItems: 4
uniqueItems: true
+ microchip,startup-delay-us:
+ description: |
+ Specifies the delay in microseconds that needs to be applied after
+ enabling the PDMC microphones to avoid unwanted noise due to microphones
+ not being ready.
+
required:
- compatible
- reg
--
2.34.1
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