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Message-ID: <20250506210638.2800228-7-elder@riscstar.com>
Date: Tue, 6 May 2025 16:06:37 -0500
From: Alex Elder <elder@...cstar.com>
To: robh@...nel.org,
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conor+dt@...nel.org,
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Cc: heylenay@....org,
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Subject: [PATCH v6 6/6] riscv: dts: spacemit: add reset support for the K1 SoC
Define syscon nodes for the RCPU, RCPU2, and APBC2 SpacemiT CCUS, which
currently support resets but not clocks in the SpacemiT K1.
Signed-off-by: Alex Elder <elder@...cstar.com>
---
arch/riscv/boot/dts/spacemit/k1.dtsi | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index 6eec6328c26fe..f4afb35dc6bc9 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -346,6 +346,18 @@ soc {
dma-noncoherent;
ranges;
+ syscon_rcpu: system-controller@...80000 {
+ compatible = "spacemit,k1-syscon-rcpu";
+ reg = <0x0 0xc0880000 0x0 0x2048>;
+ #reset-cells = <1>;
+ };
+
+ syscon_rcpu2: system-controller@...88000 {
+ compatible = "spacemit,k1-syscon-rcpu2";
+ reg = <0x0 0xc0888000 0x0 0x28>;
+ #reset-cells = <1>;
+ };
+
syscon_apbc: system-control@...15000 {
compatible = "spacemit,k1-syscon-apbc";
reg = <0x0 0xd4015000 0x0 0x1000>;
@@ -553,6 +565,12 @@ clint: timer@...00000 {
<&cpu7_intc 3>, <&cpu7_intc 7>;
};
+ syscon_apbc2: system-controller@...10000 {
+ compatible = "spacemit,k1-syscon-apbc2";
+ reg = <0x0 0xf0610000 0x0 0x20>;
+ #reset-cells = <1>;
+ };
+
sec_uart1: serial@...12000 {
compatible = "spacemit,k1-uart", "intel,xscale-uart";
reg = <0x0 0xf0612000 0x0 0x100>;
--
2.45.2
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