linux-kernel - [PATCH v4 3/3] arm64: dts: cix: add support for cix sky1 resets

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Message-ID: <20260128093611.1932770-4-gary.yang@cixtech.com>
Date: Wed, 28 Jan 2026 17:36:11 +0800
From: Gary Yang <gary.yang@...tech.com>
To: lee@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	p.zabel@...gutronix.de,
	peter.chen@...tech.com
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	cix-kernel-upstream@...tech.com,
	Gary Yang <gary.yang@...tech.com>
Subject: [PATCH v4 3/3] arm64: dts: cix: add support for cix sky1 resets

There are two reset conctrollers on Cix Sky1 Soc.
One is located in S0 domain, and the other is located
in S0 and S5 domain.

Signed-off-by: Gary Yang <gary.yang@...tech.com>
Link: https://lore.kernel.org/r/20251124063235.952136-4-gary.yang@cixtech.com
Signed-off-by: Peter Chen <peter.chen@...tech.com>
---
 arch/arm64/boot/dts/cix/sky1.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/cix/sky1.dtsi b/arch/arm64/boot/dts/cix/sky1.dtsi
index 64b76905cbff..45c008bf580a 100644
--- a/arch/arm64/boot/dts/cix/sky1.dtsi
+++ b/arch/arm64/boot/dts/cix/sky1.dtsi
@@ -348,6 +348,17 @@ i3c1: i3c@...0000 {
 			status = "disabled";
 		};
 
+		syscon: syscon@...0000 {
+			compatible = "cix,sky1-system-controller", "syscon",
+				   "simple-mfd";
+			reg = <0x0 0x4160000 0x0 0x100>;
+
+			src_fch: reset-controller {
+				compatible = "cix,sky1-rst-fch";
+				#reset-cells = <1>;
+			};
+		};
+
 		iomuxc: pinctrl@...0000 {
 			compatible = "cix,sky1-pinctrl";
 			reg = <0x0 0x04170000 0x0 0x1000>;
@@ -568,6 +579,17 @@ ppi_partition1: interrupt-partition-1 {
 			};
 		};
 
+		s5_syscon: s5-syscon@...00000 {
+			compatible = "cix,sky1-s5-system-controller", "syscon",
+				   "simple-mfd";
+			reg = <0x0 0x16000000 0x0 0x1000>;
+
+			src: reset-controller {
+				compatible = "cix,sky1-rst";
+				#reset-cells = <1>;
+			};
+		};
+
 		iomuxc_s5: pinctrl@...07000 {
 			compatible = "cix,sky1-pinctrl-s5";
 			reg = <0x0 0x16007000 0x0 0x1000>;
-- 
2.49.0