linux-kernel - [PATCH v1] dt-bindings: clock: exynosautov920: add hsi2 clock definitions

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Message-Id: <20250509132414.3752159-1-raghav.s@samsung.com>
Date: Fri,  9 May 2025 18:54:14 +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, Raghav Sharma <raghav.s@...sung.com>
Subject: [PATCH v1] dt-bindings: clock: exynosautov920: add hsi2 clock
 definitions

Add device tree clock binding definitions for CMU_HSI2

Signed-off-by: Raghav Sharma <raghav.s@...sung.com>
---
 .../clock/samsung,exynosautov920-clock.yaml   | 29 +++++++++++++++++--
 .../clock/samsung,exynosautov920.h            |  9 ++++++
 2 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
index 6961a68098f4..3cbb1dc8d828 100644
--- a/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
@@ -41,14 +41,15 @@ properties:
       - samsung,exynosautov920-cmu-misc
       - samsung,exynosautov920-cmu-hsi0
       - samsung,exynosautov920-cmu-hsi1
+      - samsung,exynosautov920-cmu-hsi2
 
   clocks:
     minItems: 1
-    maxItems: 4
+    maxItems: 5
 
   clock-names:
     minItems: 1
-    maxItems: 4
+    maxItems: 5
 
   "#clock-cells":
     const: 1
@@ -201,6 +202,30 @@ allOf:
             - const: usbdrd
             - const: mmc_card
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,exynosautov920-cmu-hsi2
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: External reference clock (38.4 MHz)
+            - description: CMU_HSI2 NOC clock (from CMU_TOP)
+            - description: CMU_HSI2 NOC UFS clock (from CMU_TOP)
+            - description: CMU_HSI2 UFS EMBD clock (from CMU_TOP)
+            - description: CMU_HSI2 ETHERNET clock (from CMU_TOP)
+
+        clock-names:
+          items:
+            - const: oscclk
+            - const: noc
+            - const: ufs
+            - const: embd
+            - const: ethernet
+
 required:
   - compatible
   - "#clock-cells"
diff --git a/include/dt-bindings/clock/samsung,exynosautov920.h b/include/dt-bindings/clock/samsung,exynosautov920.h
index 5e6896e9627f..93e6233d1358 100644
--- a/include/dt-bindings/clock/samsung,exynosautov920.h
+++ b/include/dt-bindings/clock/samsung,exynosautov920.h
@@ -286,4 +286,13 @@
 #define CLK_MOUT_HSI1_USBDRD_USER	3
 #define CLK_MOUT_HSI1_USBDRD		4
 
+/* CMU_HSI2 */
+#define FOUT_PLL_ETH                    1
+#define CLK_MOUT_HSI2_NOC_UFS_USER      2
+#define CLK_MOUT_HSI2_UFS_EMBD_USER     3
+#define CLK_MOUT_HSI2_ETHERNET          4
+#define CLK_MOUT_HSI2_ETHERNET_USER     5
+#define CLK_DOUT_HSI2_ETHERNET          6
+#define CLK_DOUT_HSI2_ETHERNET_PTP      7
+
 #endif /* _DT_BINDINGS_CLOCK_EXYNOSAUTOV920_H */
-- 
2.34.1