linux-kernel - [PATCH 1/3] dt-bindings: clock: exynosautov920: add MFD clock definitions

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Message-Id: <20251119114744.1914416-2-raghav.s@samsung.com>
Date: Wed, 19 Nov 2025 17:17:42 +0530
From: Raghav Sharma <raghav.s@...sung.com>
To: krzk@...nel.org, s.nawrocki@...sung.com, cw00.choi@...sung.com,
	alim.akhtar@...sung.com, mturquette@...libre.com, sboyd@...nel.org,
	robh@...nel.org, conor+dt@...nel.org, sunyeal.hong@...sung.com,
	shin.son@...sung.com
Cc: linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, chandan.vn@...sung.com,
	dev.tailor@...sung.com, karthik.sun@...sung.com, Raghav Sharma
	<raghav.s@...sung.com>
Subject: [PATCH 1/3] dt-bindings: clock: exynosautov920: add MFD clock
 definitions

Add device tree clock binding definitions for CMU_MFD

Signed-off-by: Raghav Sharma <raghav.s@...sung.com>
---
 .../clock/samsung,exynosautov920-clock.yaml   | 19 +++++++++++++++++++
 .../clock/samsung,exynosautov920.h            |  4 ++++
 2 files changed, 23 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
index 5bf905f88a1a..1318720193b3 100644
--- a/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
@@ -40,6 +40,7 @@ properties:
       - samsung,exynosautov920-cmu-hsi2
       - samsung,exynosautov920-cmu-m2m
       - samsung,exynosautov920-cmu-mfc
+      - samsung,exynosautov920-cmu-mfd
       - samsung,exynosautov920-cmu-misc
       - samsung,exynosautov920-cmu-peric0
       - samsung,exynosautov920-cmu-peric1
@@ -268,6 +269,24 @@ allOf:
             - const: mfc
             - const: wfd
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,exynosautov920-cmu-mfd
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: External reference clock (38.4 MHz)
+            - description: CMU_MFD NOC clock (from CMU_TOP)
+
+        clock-names:
+          items:
+            - const: oscclk
+            - const: noc
+
 required:
   - compatible
   - "#clock-cells"
diff --git a/include/dt-bindings/clock/samsung,exynosautov920.h b/include/dt-bindings/clock/samsung,exynosautov920.h
index 970d05167fc6..06dec27a8c77 100644
--- a/include/dt-bindings/clock/samsung,exynosautov920.h
+++ b/include/dt-bindings/clock/samsung,exynosautov920.h
@@ -305,4 +305,8 @@
 #define CLK_MOUT_MFC_WFD_USER           2
 #define CLK_DOUT_MFC_NOCP               3
 
+/* CMU_MFD */
+#define CLK_MOUT_MFD_NOC_USER           1
+#define CLK_DOUT_MFD_NOCP               2
+
 #endif /* _DT_BINDINGS_CLOCK_EXYNOSAUTOV920_H */
-- 
2.34.1