[PATCH v5 4/6] dt-bindings: iio: adc: ad7192: Add clock provider

[Alisa-Dariana Roman <alisadariana@gmail.com>]

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

Modify second example to showcase this mode.

Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
---
 .../devicetree/bindings/iio/adc/adi,ad7192.yaml          | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
index 67384bed4cd3..e31436484372 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
@@ -42,13 +42,17 @@ 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
+
   interrupts:
     maxItems: 1
 
@@ -204,8 +208,7 @@ examples:
             spi-max-frequency = <1000000>;
             spi-cpol;
             spi-cpha;
-            clocks = <&ad7192_mclk>;
-            clock-names = "mclk";
+            #clock-cells = <0>;
             interrupts = <25 0x2>;
             interrupt-parent = <&gpio>;
             aincom-supply = <&aincom>;
-- 
2.34.1