[PATCH 3/4] riscv: dts: spacemit: add SPI controllers for K3
From: Zhengyu He
Date: Fri Jul 17 2026 - 10:50:38 EST
Add the SPI controller nodes for K3.
Signed-off-by: Cody Kang <cody.kang.hk@xxxxxxxxxxx>
Signed-off-by: Zhengyu He <hezhy472013@xxxxxxxxx>
---
arch/riscv/boot/dts/spacemit/k3.dtsi | 49 +++++++++++++++++++++++++++++++++++-
1 file changed, 48 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/spacemit/k3.dtsi b/arch/riscv/boot/dts/spacemit/k3.dtsi
index 19fc9b49668e..dc44b5c77d41 100644
--- a/arch/riscv/boot/dts/spacemit/k3.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k3.dtsi
@@ -5,8 +5,10 @@
*/
#include <dt-bindings/clock/spacemit,k3-clocks.h>
-#include <dt-bindings/reset/spacemit,k3-resets.h>
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/reset/spacemit,k3-resets.h>
+
+#include "k3-pdma.h"
/dts-v1/;
@@ -927,6 +929,21 @@ pwm7: pwm@d401bc00 {
status = "disabled";
};
+ spi3: spi@d401c000 {
+ compatible = "spacemit,k3-spi", "spacemit,k1-spi";
+ reg = <0x0 0xd401c000 0x0 0x30>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&syscon_apbc CLK_APBC_SPI3>,
+ <&syscon_apbc CLK_APBC_SPI3_BUS>;
+ clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_APBC_SPI3>;
+ interrupts = <55 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&pdma K3_PDMA_SSP3_RX>, <&pdma K3_PDMA_SSP3_TX>;
+ dma-names = "rx", "tx";
+ status = "disabled";
+ };
+
pwm8: pwm@d4020000 {
compatible = "spacemit,k3-pwm", "marvell,pxa910-pwm";
reg = <0x0 0xd4020000 0x0 0x10>;
@@ -1081,6 +1098,36 @@ uart10: serial@d401f000 {
status = "disabled";
};
+ spi0: spi@d4040000 {
+ compatible = "spacemit,k3-spi", "spacemit,k1-spi";
+ reg = <0x0 0xd4040000 0x0 0x30>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&syscon_apbc CLK_APBC_SPI0>,
+ <&syscon_apbc CLK_APBC_SPI0_BUS>;
+ clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_APBC_SPI0>;
+ interrupts = <283 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&pdma K3_PDMA_SSP0_RX>, <&pdma K3_PDMA_SSP0_TX>;
+ dma-names = "rx", "tx";
+ status = "disabled";
+ };
+
+ spi1: spi@d4040800 {
+ compatible = "spacemit,k3-spi", "spacemit,k1-spi";
+ reg = <0x0 0xd4040800 0x0 0x30>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&syscon_apbc CLK_APBC_SPI1>,
+ <&syscon_apbc CLK_APBC_SPI1_BUS>;
+ clock-names = "core", "bus";
+ resets = <&syscon_apbc RESET_APBC_SPI1>;
+ interrupts = <282 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&pdma K3_PDMA_SSP1_RX>, <&pdma K3_PDMA_SSP1_TX>;
+ dma-names = "rx", "tx";
+ status = "disabled";
+ };
+
syscon_mpmu: system-controller@d4050000 {
compatible = "spacemit,k3-syscon-mpmu";
reg = <0x0 0xd4050000 0x0 0x10000>;
--
2.53.0