[PATCH v2 05/14] dt-bindings: clock: exynos8855: add usb clock definitions
From: Raghav Sharma
Date: Fri Oct 09 2026 - 08:05:21 EST
Add device tree clock binding definitions for CMU_USB
Signed-off-by: Raghav Sharma <raghav.s@xxxxxxxxxxx>
---
.../clock/samsung,exynos8855-clock.yaml | 21 +++++++++++++++++++
.../dt-bindings/clock/samsung,exynos8855.h | 8 +++++++
2 files changed, 29 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos8855-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos8855-clock.yaml
index e97b65f8be5f..736d3429bf4c 100644
--- a/Documentation/devicetree/bindings/clock/samsung,exynos8855-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/samsung,exynos8855-clock.yaml
@@ -32,6 +32,7 @@ properties:
- samsung,exynos8855-cmu-peric
- samsung,exynos8855-cmu-peris
- samsung,exynos8855-cmu-top
+ - samsung,exynos8855-cmu-usb
clocks:
minItems: 1
@@ -126,6 +127,26 @@ allOf:
items:
- const: oscclk
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: samsung,exynos8855-cmu-usb
+
+ then:
+ properties:
+ clocks:
+ items:
+ - description: External reference clock (76.8 MHz)
+ - description: CMU_USB NOC clock (from CMU_TOP)
+ - description: CMU_USB USB20DRD clock (from CMU_TOP)
+
+ clock-names:
+ items:
+ - const: oscclk
+ - const: bus
+ - const: usb20drd
+
required:
- compatible
- "#clock-cells"
diff --git a/include/dt-bindings/clock/samsung,exynos8855.h b/include/dt-bindings/clock/samsung,exynos8855.h
index 67cd97d8fab8..f4261956ab4a 100644
--- a/include/dt-bindings/clock/samsung,exynos8855.h
+++ b/include/dt-bindings/clock/samsung,exynos8855.h
@@ -222,4 +222,12 @@
#define CLK_GOUT_UFS_EMBD_ACLK_HSI 5
#define CLK_GOUT_UFS_EMBD_UNIPRO_HSI 6
+/* CMU_USB */
+#define CLK_MOUT_USB_NOC_USER 1
+#define CLK_MOUT_USB_USB20DRD 2
+#define CLK_MOUT_USB_USB20DRD_USER 3
+#define CLK_DOUT_USB_NOC_DIV3 4
+#define CLK_GOUT_CMU_USB 5
+#define CLK_GOUT_SYSREG_USB 6
+
#endif /* _DT_BINDINGS_CLOCK_EXYNOS8855_H */
--
2.34.1