[PATCH v3 3/7] riscv: dts: thead: Add TH1520 AP_SUBSYS clock controller

[Drew Fustini]

Add node for the AP_SUBSYS clock controller on the T-Head TH1520 SoC.

Link: https://openbeagle.org/beaglev-ahead/beaglev-ahead/-/blob/main/docs/TH1520%20System%20User%20Manual.pdf
Link: https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs
Signed-off-by: Drew Fustini <dfustini at tenstorrent.com>
---
 arch/riscv/boot/dts/thead/th1520.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index d2fa25839012..10a38ed55658 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -5,6 +5,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/clock/thead,th1520-clk-ap.h>
 
 / {
 	compatible = "thead,th1520";
@@ -161,6 +162,13 @@ soc {
 		dma-noncoherent;
 		ranges;
 
+		clk: clock-controller at ffef010000 {
+			compatible = "thead,th1520-clk-ap";
+			reg = <0xff 0xef010000 0x0 0x1000>;
+			clocks = <&osc>;
+			#clock-cells = <1>;
+		};
+
 		plic: interrupt-controller at ffd8000000 {
 			compatible = "thead,th1520-plic", "thead,c900-plic";
 			reg = <0xff 0xd8000000 0x0 0x01000000>;

-- 
2.34.1