linux-kernel - [PATCH v2 5/5] ASoC: dt-bindings: Add tas2563 into ti,ta2781.yaml to support dsp mode better

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Date: Thu, 21 Dec 2023 18:13:45 +0800
From: Shenghao Ding <shenghao-ding@...com>
To: <broonie@...nel.org>, <conor+dt@...nel.org>,
        <krzysztof.kozlowski@...aro.org>
CC: <robh+dt@...nel.org>, <andriy.shevchenko@...ux.intel.com>,
        <kevin-lu@...com>, <baojun.xu@...com>, <devicetree@...r.kernel.org>,
        <lgirdwood@...il.com>, <perex@...ex.cz>,
        <pierre-louis.bossart@...ux.intel.com>, <13916275206@....com>,
        <linux-sound@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <liam.r.girdwood@...el.com>, <soyer@....hu>, <tiwai@...e.de>,
        <peeyush@...com>, <navada@...com>,
        Shenghao Ding <shenghao-ding@...com>
Subject: [PATCH v2 5/5] ASoC: dt-bindings: Add tas2563 into ti,ta2781.yaml to support dsp mode better

Add tas2563 to better support dsp mode.

Signed-off-by: Shenghao Ding <shenghao-ding@...com>

---
Change in v2:
 - Add devicetree list and other list of necessary people and lists to CC
 - Express Compatibility in the bindings
---
 .../devicetree/bindings/sound/ti,tas2781.yaml | 61 +++++++++++++------
 1 file changed, 43 insertions(+), 18 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/ti,tas2781.yaml b/Documentation/devicetree/bindings/sound/ti,tas2781.yaml
index a69e6c223308..76d4357117d5 100644
--- a/Documentation/devicetree/bindings/sound/ti,tas2781.yaml
+++ b/Documentation/devicetree/bindings/sound/ti,tas2781.yaml
@@ -5,36 +5,33 @@
 $id: http://devicetree.org/schemas/sound/ti,tas2781.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Texas Instruments TAS2781 SmartAMP
+title: Texas Instruments TAS2781/TAS2563 SmartAMP
 
 maintainers:
   - Shenghao Ding <shenghao-ding@...com>
 
 description:
-  The TAS2781 is a mono, digital input Class-D audio amplifier
-  optimized for efficiently driving high peak power into small
-  loudspeakers. An integrated on-chip DSP supports Texas Instruments
-  Smart Amp speaker protection algorithm. The integrated speaker
-  voltage and current sense provides for real time
+  The TAS2781/TAS2563 is a mono, digital input Class-D audio
+  amplifier optimized for efficiently driving high peak power into
+  small loudspeakers. An integrated on-chip DSP supports Texas
+  Instruments Smart Amp speaker protection algorithm. The
+  integrated speaker voltage and current sense provides for real time
   monitoring of loudspeaker behavior.
 
-allOf:
-  - $ref: dai-common.yaml#
-
 properties:
   compatible:
+    description: |
+      ti,tas2781: 24-V Class-D Amplifier with Real Time Integrated Speaker
+      Protection and Audio Processing, 16/20/24/32bit stereo I2S or
+      multichannel TDM.
+
+      ti,tas2563: 6.1-W Boosted Class-D Audio Amplifier With Integrated
+      DSP and IV Sense, 16/20/24/32bit stereo I2S or multichannel TDM.
     enum:
       - ti,tas2781
+      - ti,tas2563          # fallback compatible
 
-  reg:
-    description:
-      I2C address, in multiple tas2781s case, all the i2c address
-      aggregate as one Audio Device to support multiple audio slots.
-    maxItems: 8
-    minItems: 1
-    items:
-      minimum: 0x38
-      maximum: 0x3f
+  reg: true
 
   reset-gpios:
     maxItems: 1
@@ -49,6 +46,34 @@ required:
   - compatible
   - reg
 
+allOf:
+  - $ref: dai-common.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - ti,tas2781
+    then:
+      properties:
+        reg:
+          description:
+            I2C address, in multiple AMP case, all the i2c address
+            aggregate as one Audio Device to support multiple audio slots.
+          maxItems: 8
+          minItems: 1
+          items:
+            minimum: 0x38
+            maximum: 0x3f
+    else:
+      properties:
+        reg:
+          maxItems: 4
+          minItems: 1
+          items:
+            minimum: 0x4c
+            maximum: 0x4f
+
 additionalProperties: false
 
 examples:
-- 
2.34.1