[PATCH 3/5] riscv: dts: spacemit: Add the K1 APB timer

Troy Mitchell troy.mitchell at linux.spacemit.com
Tue Nov 3 00:36:48 PST 2026


Describe the first APB timer block and its counter 0 interrupt so it can
provide a shared clockevent. Connect its functional and bus clocks and
reset, and select the oscillator-derived 1 MHz input for a stable counter
rate independent of the PLLs.

Signed-off-by: Troy Mitchell <troy.mitchell at linux.spacemit.com>
---
 arch/riscv/boot/dts/spacemit/k1.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index 542bfc0d19f5..c3db90f6bf14 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -583,6 +583,18 @@ i2c5: i2c at d4013800 {
 			status = "disabled";
 		};
 
+		timer0: timer at d4014000 {
+			compatible = "spacemit,k1-timer";
+			reg = <0x0 0xd4014000 0x0 0x100>;
+			interrupts = <23>;
+			clocks = <&syscon_apbc CLK_TIMERS1>,
+				 <&syscon_apbc CLK_TIMERS1_BUS>;
+			clock-names = "func", "bus";
+			assigned-clocks = <&syscon_apbc CLK_TIMERS1>;
+			assigned-clock-rates = <1000000>;
+			resets = <&syscon_apbc RESET_TIMERS1>;
+		};
+
 		syscon_apbc: system-controller at d4015000 {
 			compatible = "spacemit,k1-syscon-apbc";
 			reg = <0x0 0xd4015000 0x0 0x1000>;

-- 
2.56.0




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