Internal clock of AD719X devices can be made available on MCLK2 pin. Add
clock provider to support this functionality.

Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
---
 .../devicetree/bindings/iio/adc/adi,ad7192.yaml       | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
index 3ae2f860d24c..1434d89c2880 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
@@ -42,13 +42,20 @@ properties:
     description: |
       Optionally, either a crystal can be attached externally between MCLK1 and
       MCLK2 pins, or an external CMOS-compatible clock can drive the MCLK2
-      pin. If absent, internal 4.92MHz clock is used.
+      pin. If absent, internal 4.92MHz clock is used, which can be made
+      available on MCLK2 pin.
 
   clock-names:
     enum:
       - xtal
       - mclk
 
+  "#clock-cells":
+    const: 0
+
+  clock-output-names:
+    maxItems: 1
+
   interrupts:
     maxItems: 1
 
@@ -204,6 +211,8 @@ examples:
             spi-max-frequency = <1000000>;
             spi-cpol;
             spi-cpha;
+            #clock-cells = <0>;
+            clock-output-names = "ad7194_mclk";
             interrupts = <25 0x2>;
             interrupt-parent = <&gpio>;
             aincom-supply = <&aincom>;
-- 
2.34.1

On Thu, Jun 13, 2024 at 02:40:00PM +0300, Alisa-Dariana Roman wrote:
> Internal clock of AD719X devices can be made available on MCLK2 pin. Add
> clock provider to support this functionality.
> 
> Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
> ---
>  .../devicetree/bindings/iio/adc/adi,ad7192.yaml       | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
> index 3ae2f860d24c..1434d89c2880 100644
> --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
> @@ -42,13 +42,20 @@ properties:
>      description: |
>        Optionally, either a crystal can be attached externally between MCLK1 and
>        MCLK2 pins, or an external CMOS-compatible clock can drive the MCLK2
> -      pin. If absent, internal 4.92MHz clock is used.
> +      pin. If absent, internal 4.92MHz clock is used, which can be made
> +      available on MCLK2 pin.
>  
>    clock-names:
>      enum:
>        - xtal
>        - mclk
>  
> +  "#clock-cells":
> +    const: 0
> +
> +  clock-output-names:
> +    maxItems: 1

Why do you need an output name when you have exactly one clock?