linux-kernel - [PATCH 3/9] ASoC: dt-bindings: stm32: i2s: allow additional properties.

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Date:   Fri, 19 Nov 2021 15:45:45 +0100
From:   Olivier Moysan <olivier.moysan@...s.st.com>
To:     Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        <arnaud.pouliquen@...s.st.com>, <fabrice.gasnier@...s.st.com>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        Olivier Moysan <olivier.moysan@...s.st.com>
Subject: [PATCH 3/9] ASoC: dt-bindings: stm32: i2s: allow additional properties.

The STM32 SPI peripheral supports both SPI and I2S protocols.
In the SoC device tree the node describes the peripheral as an
SPI peripheral by default. This default configuration can be
overwritten in board device tree to use the IP as an I2S peripheral.
In this case the address-cells and size-cells properties from
SoC DT SPI node should not be checked against STM32 I2S bindings.
Set additionalProperties to "true" to allow these extra properties.

Signed-off-by: Olivier Moysan <olivier.moysan@...s.st.com>
---
 Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
index 52e3368d34dc..591f9c941f54 100644
--- a/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml
@@ -73,7 +73,7 @@ required:
   - dmas
   - dma-names
 
-additionalProperties: false
+additionalProperties: true
 
 examples:
   - |
-- 
2.17.1