[PATCH v2 14/14] arm64: dts: exynos8855: add cmu_usb clock DT nodes

Raghav Sharma raghav.s at samsung.com
Fri Oct 9 05:01:37 PDT 2026


Add required dt node for cmu_usb block, while at this
add sysreg_usb which contains bits for DRCG and MEMCLK
which are used by clk driver

Signed-off-by: Alim Akhtar <alim.akhtar at samsung.com>
Signed-off-by: Raghav Sharma <raghav.s at samsung.com>
---
 arch/arm64/boot/dts/exynos/exynos8855.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos8855.dtsi b/arch/arm64/boot/dts/exynos/exynos8855.dtsi
index 3dd7a4c4c609..dcf1e58c6367 100644
--- a/arch/arm64/boot/dts/exynos/exynos8855.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos8855.dtsi
@@ -192,6 +192,27 @@ pinctrl_cmgp: pinctrl at 12030000 {
 			interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		cmu_usb: clock-controller at 13000000 {
+			compatible = "samsung,exynos8855-cmu-usb";
+			reg = <0x13000000 0x10000>;
+			#clock-cells = <1>;
+
+			clocks = <&oscclk>,
+				 <&cmu_top CLKCMU_DOUT_USB_NOC>,
+				 <&cmu_top CLKCMU_DOUT_USB_USB20DRD>;
+			clock-names = "oscclk",
+				      "bus",
+				      "usb20drd";
+			samsung,sysreg = <&sysreg_usb>;
+		};
+
+		sysreg_usb: syscon at 13020000 {
+			compatible = "samsung,exynos8855-usb-sysreg",
+				      "syscon";
+			reg = <0x13020000 0x10000>;
+			clocks = <&cmu_usb CLK_GOUT_SYSREG_USB>;
+		};
+
 		cmu_top: clock-controller at 13900000 {
 			compatible = "samsung,exynos8855-cmu-top";
 			reg = <0x13900000 0x10000>;
-- 
2.34.1




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