linux-kernel - [PATCH v2 3/3] riscv: dts: spacemit: add reset property

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Message-Id: <20251219-i2c-reset-v2-3-ad201a602e74@gmail.com>
Date: Fri, 19 Dec 2025 15:42:22 +0800
From: Encrow Thorne <jyc0019@...il.com>
To: Troy Mitchell <troy.mitchell@...ux.spacemit.com>, 
 Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Yixun Lan <dlan@...too.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, Paul Walmsley <pjw@...nel.org>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Alexandre Ghiti <alex@...ti.fr>
Cc: Troy Mitchell <troymitchell988@...il.com>, 
 Guodong Xu <guodong@...cstar.com>, linux-i2c@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org, 
 spacemit@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 Encrow Thorne <jyc0019@...il.com>
Subject: [PATCH v2 3/3] riscv: dts: spacemit: add reset property

Add resets property to K1 I2C node.
---
 arch/riscv/boot/dts/spacemit/k1.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index 7818ca4979b6..085987643638 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -367,6 +367,7 @@ i2c0: i2c@...10800 {
 				 <&syscon_apbc CLK_TWSI0_BUS>;
 			clock-names = "func", "bus";
 			clock-frequency = <400000>;
+			resets = <&syscon_apbc RESET_TWSI0>;
 			interrupts = <36>;
 			status = "disabled";
 		};
@@ -380,6 +381,7 @@ i2c1: i2c@...11000 {
 				 <&syscon_apbc CLK_TWSI1_BUS>;
 			clock-names = "func", "bus";
 			clock-frequency = <400000>;
+			resets = <&syscon_apbc RESET_TWSI1>;
 			interrupts = <37>;
 			status = "disabled";
 		};
@@ -393,6 +395,7 @@ i2c2: i2c@...12000 {
 				 <&syscon_apbc CLK_TWSI2_BUS>;
 			clock-names = "func", "bus";
 			clock-frequency = <400000>;
+			resets = <&syscon_apbc RESET_TWSI2>;
 			interrupts = <38>;
 			status = "disabled";
 		};
@@ -406,6 +409,7 @@ i2c4: i2c@...12800 {
 				 <&syscon_apbc CLK_TWSI4_BUS>;
 			clock-names = "func", "bus";
 			clock-frequency = <400000>;
+			resets = <&syscon_apbc RESET_TWSI4>;
 			interrupts = <40>;
 			status = "disabled";
 		};
@@ -419,6 +423,7 @@ i2c5: i2c@...13800 {
 				 <&syscon_apbc CLK_TWSI5_BUS>;
 			clock-names = "func", "bus";
 			clock-frequency = <400000>;
+			resets = <&syscon_apbc RESET_TWSI5>;
 			interrupts = <41>;
 			status = "disabled";
 		};
@@ -443,6 +448,7 @@ i2c6: i2c@...18800 {
 				 <&syscon_apbc CLK_TWSI6_BUS>;
 			clock-names = "func", "bus";
 			clock-frequency = <400000>;
+			resets = <&syscon_apbc RESET_TWSI6>;
 			interrupts = <70>;
 			status = "disabled";
 		};
@@ -546,6 +552,7 @@ i2c7: i2c@...1d000 {
 				 <&syscon_apbc CLK_TWSI7_BUS>;
 			clock-names = "func", "bus";
 			clock-frequency = <400000>;
+			resets = <&syscon_apbc RESET_TWSI7>;
 			interrupts = <18>;
 			status = "disabled";
 		};
@@ -559,6 +566,7 @@ i2c8: i2c@...1d800 {
 				 <&syscon_apbc CLK_TWSI8_BUS>;
 			clock-names = "func", "bus";
 			clock-frequency = <400000>;
+			resets = <&syscon_apbc RESET_TWSI8>;
 			interrupts = <19>;
 			status = "disabled";
 		};

-- 
2.25.1