linux-kernel - [PATCH] riscv: dts: spacemit: add i2s0 node

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Message-Id: <20251105-k1-add-i2s-node-v1-1-9360b57a0c52@linux.spacemit.com>
Date: Wed, 05 Nov 2025 16:12:46 +0800
From: Troy Mitchell <troy.mitchell@...ux.spacemit.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Yixun Lan <dlan@...too.org>, 
 Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>, 
 Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>, 
 Encrow Thorne <jyc0019@...il.com>
Cc: devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org, 
 spacemit@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 Troy Mitchell <troy.mitchell@...ux.spacemit.com>
Subject: [PATCH] riscv: dts: spacemit: add i2s0 node

Since the I2S driver has been merged, it’s time to add the I2S node
in the device-tree now.

Signed-off-by: Troy Mitchell <troy.mitchell@...ux.spacemit.com>
---
 arch/riscv/boot/dts/spacemit/k1.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index af35f9cd643513a1c68a00ccfb3ead688a8b1929..25deac318fa349ef1d444846371cc393cf58545a 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -823,6 +823,28 @@ uart9: serial@...17800 {
 				status = "disabled";
 			};
 
+			i2s0: i2s0@...26000 {
+				compatible = "spacemit,k1-i2s";
+				reg = <0x0 0xd4026000 0x0 0x30>;
+				#sound-dai-cells = <0>;
+				clocks = <&syscon_mpmu CLK_I2S_153P6_BASE>,
+					 <&syscon_mpmu CLK_I2S_SYSCLK_SRC>,
+					 <&syscon_mpmu CLK_I2S_SYSCLK>,
+					 <&syscon_mpmu CLK_I2S_BCLK>,
+					 <&syscon_apbc CLK_SSPA0_BUS>,
+					 <&syscon_apbc CLK_SSPA0>;
+				clock-names = "153p6_base", "sysclk_src",
+					      "sysclk", "bclk",
+					      "sspa_bus", "sspa";
+				assigned-clocks = <&syscon_mpmu CLK_I2S_153P6_BASE>,
+						  <&syscon_mpmu CLK_I2S_SYSCLK_SRC>;
+				assigned-clock-rates = <307200000>, <307200000>;
+				resets = <&syscon_apbc RESET_SSPA0>;
+				dmas = <&pdma 22>, <&pdma 21>;
+				dma-names = "rx", "tx";
+				status = "disabled";
+			};
+
 			/* sec_uart1: 0xf0612000, not available from Linux */
 		};
 

---
base-commit: 17490bd0527f59d841168457b245581f314b5fa0
change-id: 20251105-k1-add-i2s-node-bacfb9217d8d

Best regards,
-- 
Troy Mitchell <troy.mitchell@...ux.spacemit.com>