linux-kernel - [PATCH 1/3] dt-bindings: clock: exynosautov920: add cpucl1/2 clock definitions

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Message-ID: <20250428084721.3832664-2-shin.son@samsung.com>
Date: Mon, 28 Apr 2025 17:47:19 +0900
From: Shin Son <shin.son@...sung.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Sylwester Nawrocki
	<s.nawrocki@...sung.com>, Chanwoo Choi <cw00.choi@...sung.com>, Alim Akhtar
	<alim.akhtar@...sung.com>, Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, Conor Dooley
	<conor+dt@...nel.org>, Sunyeal Hong <sunyeal.hong@...sung.com>
Cc: Shin Son <shin.son@...sung.com>, 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
Subject: [PATCH 1/3] dt-bindings: clock: exynosautov920: add cpucl1/2 clock
 definitions

Add cpucl1 and cpucl2 clock definitions.

CPUCL1/2 refer to CPU Cluster 1 and CPU Cluster 2,
which provide clock support for the CPUs on Exynosauto V920 SoC.

Signed-off-by: Shin Son <shin.son@...sung.com>
---
 .../clock/samsung,exynosautov920-clock.yaml   | 45 +++++++++++++++++++
 .../clock/samsung,exynosautov920.h            | 32 +++++++++++++
 2 files changed, 77 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
index d12b17c177df..dbeae0cb0cb9 100644
--- a/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.yaml
@@ -34,6 +34,8 @@ properties:
     enum:
       - samsung,exynosautov920-cmu-top
       - samsung,exynosautov920-cmu-cpucl0
+      - samsung,exynosautov920-cmu-cpucl1
+      - samsung,exynosautov920-cmu-cpucl2
       - samsung,exynosautov920-cmu-peric0
       - samsung,exynosautov920-cmu-peric1
       - samsung,exynosautov920-cmu-misc
@@ -94,6 +96,49 @@ allOf:
             - const: cluster
             - const: dbg
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - samsung,exynosautov920-cmu-cpucl1
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: External reference clock (38.4 MHz)
+            - description: CMU_CPUCL1 SWITCH clock (from CMU_TOP)
+            - description: CMU_CPUCL1 CLUSTER clock (from CMU_TOP)
+
+        clock-names:
+          items:
+            - const: oscclk
+            - const: switch
+            - const: cluster
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - samsung,exynosautov920-cmu-cpucl2
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: External reference clock (38.4 MHz)
+            - description: CMU_CPUCL2 SWITCH clock (from CMU_TOP)
+            - description: CMU_CPUCL2 CLUSTER clock (from CMU_TOP)
+
+        clock-names:
+          items:
+            - const: oscclk
+            - const: switch
+            - const: cluster
+
+
   - if:
       properties:
         compatible:
diff --git a/include/dt-bindings/clock/samsung,exynosautov920.h b/include/dt-bindings/clock/samsung,exynosautov920.h
index c57a1d749700..5e6896e9627f 100644
--- a/include/dt-bindings/clock/samsung,exynosautov920.h
+++ b/include/dt-bindings/clock/samsung,exynosautov920.h
@@ -181,6 +181,38 @@
 #define CLK_DOUT_CPUCL0_DBG_PCLKDBG	14
 #define CLK_DOUT_CPUCL0_NOCP		15
 
+/* CMU_CPUCL1 */
+#define CLK_FOUT_CPUCL1_PLL		1
+
+#define CLK_MOUT_PLL_CPUCL1		2
+#define CLK_MOUT_CPUCL1_CLUSTER_USER	3
+#define CLK_MOUT_CPUCL1_SWITCH_USER	4
+#define CLK_MOUT_CPUCL1_CLUSTER		5
+#define CLK_MOUT_CPUCL1_CORE		6
+
+#define CLK_DOUT_CLUSTER1_ACLK		7
+#define CLK_DOUT_CLUSTER1_ATCLK		8
+#define CLK_DOUT_CLUSTER1_MPCLK		9
+#define CLK_DOUT_CLUSTER1_PCLK		10
+#define CLK_DOUT_CLUSTER1_PERIPHCLK	11
+#define CLK_DOUT_CPUCL1_NOCP		12
+
+/* CMU_CPUCL2 */
+#define CLK_FOUT_CPUCL2_PLL		1
+
+#define CLK_MOUT_PLL_CPUCL2		2
+#define CLK_MOUT_CPUCL2_CLUSTER_USER	3
+#define CLK_MOUT_CPUCL2_SWITCH_USER	4
+#define CLK_MOUT_CPUCL2_CLUSTER		5
+#define CLK_MOUT_CPUCL2_CORE		6
+
+#define CLK_DOUT_CLUSTER2_ACLK		7
+#define CLK_DOUT_CLUSTER2_ATCLK		8
+#define CLK_DOUT_CLUSTER2_MPCLK		9
+#define CLK_DOUT_CLUSTER2_PCLK		10
+#define CLK_DOUT_CLUSTER2_PERIPHCLK	11
+#define CLK_DOUT_CPUCL2_NOCP		12
+
 /* CMU_PERIC0 */
 #define CLK_MOUT_PERIC0_IP_USER		1
 #define CLK_MOUT_PERIC0_NOC_USER	2
-- 
2.49.0