[PATCH 2/2 v3] dt-bindings: ADAU7118: add new entries for pins drive strength

Dylan Laduranty dylan.laduranty at mesotic.com
Tue May 17 07:48:09 CEST 2022


Update driver doc with new entries for managing pins drive strength.
Add a table to describe possible values for each entry.

Signed-off-by: Dylan Laduranty <dylan.laduranty at mesotic.com>
---

 Changes since v3:
 Add missing commit description message


 .../bindings/sound/adi,adau7118.yaml          | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/adi,adau7118.yaml b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
index fb78967ee17b..226693ebd446 100644
--- a/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
+++ b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
@@ -51,6 +51,42 @@ properties:
       maximum: 1
     default: [0, 0, 1, 1]
 
+  adi,pdm-clk0-ds:
+    description: |
+      This property set the drive strength of PDM CLK0 output pad.
+      Possible values are: 0, 1, 2, 3 as per the following table:
+      0 = 2.5 mA / 3.3V
+      1 =   5 mA / 3.3V
+      2 =  10 mA / 3.3V
+      3 =  25 mA / 3.3V
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [3, 2, 1, 0]
+    default: 2
+
+  adi,pdm-clk1-ds:
+    description: |
+      This property set the drive strength of PDM CLK1 output pad.
+      Possible values are: 0, 1, 2, 3 as per the following table:
+      0 = 2.5 mA / 3.3V
+      1 =   5 mA / 3.3V
+      2 =  10 mA / 3.3V
+      3 =  25 mA / 3.3V
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [3, 2, 1, 0]
+    default: 2
+
+  adi,sdata-ds:
+    description: |
+      This property set the drive strength of SDATA output pad.
+      Possible values are: 0, 1, 2, 3 as per the following table:
+      0 = 2.5 mA / 3.3V
+      1 =   5 mA / 3.3V
+      2 =  10 mA / 3.3V
+      3 =  25 mA / 3.3V
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [3, 2, 1, 0]
+    default: 2
+
 required:
   - "#sound-dai-cells"
   - compatible
@@ -73,6 +109,9 @@ examples:
                 dvdd-supply = <&supply>;
                 adi,pdm-clk-map = <1 1 0 0>;
                 adi,decimation-ratio = <16>;
+                adi,pdm-clk0-ds = <3>;
+                adi,pdm-clk1-ds = <3>;
+                adi,sdata-ds = <3>;
         };
     };
 
-- 
2.17.1



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