linux-kernel - [PATCH v6 11/12] ASoC: dt-bindings: sound: cirrus: cs530x: Add SPI bus support

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Message-ID: <20251023090327.58275-12-vitalyr@opensource.cirrus.com>
Date: Thu, 23 Oct 2025 10:03:19 +0100
From: Vitaly Rodionov <vitalyr@...nsource.cirrus.com>
To: Mark Brown <broonie@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc: Takashi Iwai <tiwai@...e.com>, Jaroslav Kysela <perex@...ex.cz>,
        David Rhodes <david.rhodes@...rus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        Liam Girdwood <lgirdwood@...il.com>, Rob Herring <robh@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-sound@...r.kernel.org,
        linux-kernel@...r.kernel.org, patches@...nsource.cirrus.com,
        devicetree@...r.kernel.org,
        Vitaly Rodionov <vitalyr@...nsource.cirrus.com>
Subject: [PATCH v6 11/12] ASoC: dt-bindings: sound: cirrus: cs530x: Add SPI bus support

The CS530x device family supports multiple control interfaces.
At present, only the I2C interface is implemented. Adding support
for the SPI control interface, operating at up to 24 MHz.

Signed-off-by: Vitaly Rodionov <vitalyr@...nsource.cirrus.com>
---
 Documentation/devicetree/bindings/sound/cirrus,cs530x.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs530x.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs530x.yaml
index 04ed197f91eb..7600fff0e3b7 100644
--- a/Documentation/devicetree/bindings/sound/cirrus,cs530x.yaml
+++ b/Documentation/devicetree/bindings/sound/cirrus,cs530x.yaml
@@ -15,6 +15,7 @@ description:
 
 allOf:
   - $ref: dai-common.yaml#
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
 
 properties:
   compatible:
@@ -30,6 +31,9 @@ properties:
   reg:
     maxItems: 1
 
+  spi-max-frequency:
+    maximum: 24000000
+
   '#sound-dai-cells':
     const: 1
 
-- 
2.43.0