[PATCH v2 1/1] arm64: dts: exynos990: Add clock management unit nodes

Igor Belwon
2024-12-15T17:10:19Z

Add CMU nodes for:
- cmu_top: provides clocks for other blocks
- cmu_hsi0: provides clocks for usb31

Signed-off-by: Igor Belwon <igor.belwon@mentallysanemainliners.org>
---
arch/arm64/boot/dts/exynos/exynos990.dtsi | 28 +++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos990.dtsi b/arch/arm64/boot/dts/exynos/exynos990.dtsi
index 2619f821bc7c..d6a8c04e6602 100644
--- a/arch/arm64/boot/dts/exynos/exynos990.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos990.dtsi
@@ -5,6 +5,7 @@
* Copyright (c) 2024, Igor Belwon <igor.belwon@mentallysanemainliners.org>
*/

+#include <dt-bindings/clock/samsung,exynos990.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
@@ -199,6 +200,24 @@ pinctrl_peric1: pinctrl@10730000 {
interrupts = <GIC_SPI 417 IRQ_TYPE_LEVEL_HIGH>;
};

+ cmu_hsi0: clock-controller@10a00000 {
+ compatible = "samsung,exynos990-cmu-hsi0";
+ reg = <0x10a00000 0x8000>;
+ #clock-cells = <1>;
+
+ clocks = <&oscclk>,
+ <&cmu_top CLK_DOUT_CMU_HSI0_BUS>,
+ <&cmu_top CLK_DOUT_CMU_HSI0_USB31DRD>,
+ <&cmu_top CLK_DOUT_CMU_HSI0_USBDP_DEBUG>,
+ <&cmu_top CLK_DOUT_CMU_HSI0_DPGTC>;
+ clock-names = "oscclk",
+ "bus",
+ "usb31drd",
+ "usbdp_debug",
+ "dpgtc";
+
+ };
+
pinctrl_hsi1: pinctrl@13040000 {
compatible = "samsung,exynos990-pinctrl";
reg = <0x13040000 0x1000>;
@@ -245,6 +264,15 @@ pinctrl_cmgp: pinctrl@15c30000 {
compatible = "samsung,exynos990-pinctrl";
reg = <0x15c30000 0x1000>;
};
+
+ cmu_top: clock-controller@1a330000 {
+ compatible = "samsung,exynos990-cmu-top";
+ reg = <0x1a330000 0x8000>;
+ #clock-cells = <1>;
+
+ clocks = <&oscclk>;
+ clock-names = "oscclk";
+ };
};

timer {
--
2.45.2