linux-kernel - [PATCH v4 4/5] dt-bindings: iio: adc: ad7192: Add clock provider

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Message-Id: <20240613114001.270233-5-alisa.roman@analog.com>
Date: Thu, 13 Jun 2024 14:40:00 +0300
From: Alisa-Dariana Roman <alisadariana@...il.com>
To: Alisa-Dariana Roman <alisa.roman@...log.com>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Michael Hennerich <michael.hennerich@...log.com>,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Alexandru Tachici <alexandru.tachici@...log.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>
Subject: [PATCH v4 4/5] dt-bindings: iio: adc: ad7192: Add clock provider

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@...log.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