Add device tree clock binding definitions for CMU_HSI2

Signed-off-by: Raghav Sharma <raghav.s@samsung.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 77117b887e19..72f59db73f76 100644
--- a/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
@@ -37,6 +37,7 @@ properties:
       - samsung,exynosautov920-cmu-cpucl2
       - samsung,exynosautov920-cmu-hsi0
       - samsung,exynosautov920-cmu-hsi1
+      - samsung,exynosautov920-cmu-hsi2
       - samsung,exynosautov920-cmu-misc
       - samsung,exynosautov920-cmu-peric0
       - samsung,exynosautov920-cmu-peric1
@@ -44,11 +45,11 @@ properties:
 
   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

> -----Original Message-----
> From: Raghav Sharma <raghav.s@samsung.com>
> Sent: Thursday, May 29, 2025 4:57 PM
> To: krzk@kernel.org; s.nawrocki@samsung.com; cw00.choi@samsung.com;
> alim.akhtar@samsung.com; mturquette@baylibre.com; sboyd@kernel.org;
> robh@kernel.org; conor+dt@kernel.org; richardcochran@gmail.com;
> sunyeal.hong@samsung.com; shin.son@samsung.com
> Cc: linux-samsung-soc@vger.kernel.org; linux-clk@vger.kernel.org;
> devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-
> kernel@vger.kernel.org; netdev@vger.kernel.org;
> chandan.vn@samsung.com; karthik.sun@samsung.com;
> dev.tailor@samsung.com; Raghav Sharma <raghav.s@samsung.com>
> Subject: [PATCH v3 2/4] dt-bindings: clock: exynosautov920: add hsi2 clock
> definitions
> 
> Add device tree clock binding definitions for CMU_HSI2
> 
> Signed-off-by: Raghav Sharma <raghav.s@samsung.com>
> ---

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>

On Thu, 29 May 2025 16:56:38 +0530, Raghav Sharma wrote:
> Add device tree clock binding definitions for CMU_HSI2
> 
> Signed-off-by: Raghav Sharma <raghav.s@samsung.com>
> ---
>  .../clock/samsung,exynosautov920-clock.yaml   | 29 +++++++++++++++++--
>  .../clock/samsung,exynosautov920.h            |  9 ++++++
>  2 files changed, 36 insertions(+), 2 deletions(-)
> 

Acked-by: Rob Herring (Arm) <robh@kernel.org>