[PATCH 3/3] riscv: dts: spacemit: k3: add i2s0-i2s5 nodes
From: Troy Mitchell
Date: Tue Jul 21 2026 - 22:39:31 EST
Add the six SSPA-based I2S controller nodes for the K3 SoC.
i2s0 and i2s2-i2s5 each have a dedicated per-controller sysclk
divider, so they use the published 7-clock layout (sysclk, bclk, bus,
func, sysclk_div, c_sysclk, c_bclk).
i2s1 uses 6 clocks (sysclk, bclk, bus, func, c_sysclk, c_bclk) because
its sysclk is driven directly by a DDN (ISCCR0) and has no separate
divider stage.
Signed-off-by: Troy Mitchell <troy.mitchell@xxxxxxxxxxxxxxxxxx>
---
arch/riscv/boot/dts/spacemit/k3.dtsi | 119 +++++++++++++++++++++++++++++++++++
1 file changed, 119 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k3.dtsi b/arch/riscv/boot/dts/spacemit/k3.dtsi
index 19fc9b49668e..967e5d87527a 100644
--- a/arch/riscv/boot/dts/spacemit/k3.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k3.dtsi
@@ -1081,6 +1081,125 @@ uart10: serial@d401f000 {
status = "disabled";
};
+ i2s0: i2s@d4026000 {
+ compatible = "spacemit,k3-i2s";
+ reg = <0x0 0xd4026000 0x0 0x30>;
+ clocks = <&syscon_mpmu CLK_MPMU_I2S0_SYSCLK>,
+ <&syscon_apbc CLK_APBC_I2S0_BCLK>,
+ <&syscon_apbc CLK_APBC_I2S0_BUS>,
+ <&syscon_apbc CLK_APBC_I2S0>,
+ <&syscon_mpmu CLK_MPMU_I2S0_SYSCLK_DIV>,
+ <&syscon_mpmu CLK_MPMU_I2S_SYSCLK>,
+ <&syscon_mpmu CLK_MPMU_I2S_BCLK>;
+ clock-names = "sysclk", "bclk", "bus", "func",
+ "sysclk_div", "c_sysclk", "c_bclk";
+ dmas = <&pdma 21>, <&pdma 22>;
+ dma-names = "tx", "rx";
+ resets = <&syscon_apbc RESET_APBC_I2S0>;
+ #sound-dai-cells = <0>;
+
+ status = "disabled";
+ };
+
+ i2s1: i2s@d4026800 {
+ compatible = "spacemit,k3-i2s";
+ reg = <0x0 0xd4026800 0x0 0x30>;
+ clocks = <&syscon_mpmu CLK_MPMU_I2S1_SYSCLK>,
+ <&syscon_apbc CLK_APBC_I2S1_BCLK>,
+ <&syscon_apbc CLK_APBC_I2S1_BUS>,
+ <&syscon_apbc CLK_APBC_I2S1>,
+ <&syscon_mpmu CLK_MPMU_I2S_SYSCLK>,
+ <&syscon_mpmu CLK_MPMU_I2S_BCLK>;
+ clock-names = "sysclk", "bclk", "bus", "func",
+ "c_sysclk", "c_bclk";
+ dmas = <&pdma 23>, <&pdma 24>;
+ dma-names = "tx", "rx";
+ resets = <&syscon_apbc RESET_APBC_I2S1>;
+ #sound-dai-cells = <0>;
+
+ status = "disabled";
+ };
+
+ i2s2: i2s@d4027000 {
+ compatible = "spacemit,k3-i2s";
+ reg = <0x0 0xd4027000 0x0 0x30>;
+ clocks = <&syscon_mpmu CLK_MPMU_I2S2_SYSCLK>,
+ <&syscon_apbc CLK_APBC_I2S2_BCLK>,
+ <&syscon_apbc CLK_APBC_I2S2_BUS>,
+ <&syscon_apbc CLK_APBC_I2S2>,
+ <&syscon_mpmu CLK_MPMU_I2S2_SYSCLK_DIV>,
+ <&syscon_mpmu CLK_MPMU_I2S_SYSCLK>,
+ <&syscon_mpmu CLK_MPMU_I2S_BCLK>;
+ clock-names = "sysclk", "bclk", "bus", "func",
+ "sysclk_div", "c_sysclk", "c_bclk";
+ dmas = <&pdma 56>, <&pdma 57>;
+ dma-names = "tx", "rx";
+ resets = <&syscon_apbc RESET_APBC_I2S2>;
+ #sound-dai-cells = <0>;
+
+ status = "disabled";
+ };
+
+ i2s3: i2s@d4027800 {
+ compatible = "spacemit,k3-i2s";
+ reg = <0x0 0xd4027800 0x0 0x30>;
+ clocks = <&syscon_mpmu CLK_MPMU_I2S3_SYSCLK>,
+ <&syscon_apbc CLK_APBC_I2S3_BCLK>,
+ <&syscon_apbc CLK_APBC_I2S3_BUS>,
+ <&syscon_apbc CLK_APBC_I2S3>,
+ <&syscon_mpmu CLK_MPMU_I2S3_SYSCLK_DIV>,
+ <&syscon_mpmu CLK_MPMU_I2S_SYSCLK>,
+ <&syscon_mpmu CLK_MPMU_I2S_BCLK>;
+ clock-names = "sysclk", "bclk", "bus", "func",
+ "sysclk_div", "c_sysclk", "c_bclk";
+ dmas = <&pdma 58>, <&pdma 59>;
+ dma-names = "tx", "rx";
+ resets = <&syscon_apbc RESET_APBC_I2S3>;
+ #sound-dai-cells = <0>;
+
+ status = "disabled";
+ };
+
+ i2s4: i2s@d4041000 {
+ compatible = "spacemit,k3-i2s";
+ reg = <0x0 0xd4041000 0x0 0x30>;
+ clocks = <&syscon_mpmu CLK_MPMU_I2S4_SYSCLK>,
+ <&syscon_apbc CLK_APBC_I2S4_BCLK>,
+ <&syscon_apbc CLK_APBC_I2S4_BUS>,
+ <&syscon_apbc CLK_APBC_I2S4>,
+ <&syscon_mpmu CLK_MPMU_I2S4_SYSCLK_DIV>,
+ <&syscon_mpmu CLK_MPMU_I2S_SYSCLK>,
+ <&syscon_mpmu CLK_MPMU_I2S_BCLK>;
+ clock-names = "sysclk", "bclk", "bus", "func",
+ "sysclk_div", "c_sysclk", "c_bclk";
+ dmas = <&pdma 60>, <&pdma 61>;
+ dma-names = "tx", "rx";
+ resets = <&syscon_apbc RESET_APBC_I2S4>;
+ #sound-dai-cells = <0>;
+
+ status = "disabled";
+ };
+
+ i2s5: i2s@d4041800 {
+ compatible = "spacemit,k3-i2s";
+ reg = <0x0 0xd4041800 0x0 0x30>;
+ clocks = <&syscon_mpmu CLK_MPMU_I2S5_SYSCLK>,
+ <&syscon_apbc CLK_APBC_I2S5_BCLK>,
+ <&syscon_apbc CLK_APBC_I2S5_BUS>,
+ <&syscon_apbc CLK_APBC_I2S5>,
+ <&syscon_mpmu CLK_MPMU_I2S5_SYSCLK_DIV>,
+ <&syscon_mpmu CLK_MPMU_I2S_SYSCLK>,
+ <&syscon_mpmu CLK_MPMU_I2S_BCLK>;
+ clock-names = "sysclk", "bclk", "bus", "func",
+ "sysclk_div", "c_sysclk", "c_bclk";
+ dmas = <&pdma 62>, <&pdma 63>;
+ dma-names = "tx", "rx";
+ resets = <&syscon_apbc RESET_APBC_I2S5>;
+ #sound-dai-cells = <0>;
+
+ status = "disabled";
+ };
+
syscon_mpmu: system-controller@d4050000 {
compatible = "spacemit,k3-syscon-mpmu";
reg = <0x0 0xd4050000 0x0 0x10000>;
--
2.55.0