Re: [PATCH 3/4] riscv: dts: spacemit: add SPI controllers for K3
From: Yixun Lan
Date: Sat Jul 25 2026 - 09:15:35 EST
On 07:45 Fri 17 Jul , Zhengyu He wrote:
> Add the SPI controller nodes for K3.
>
> Signed-off-by: Cody Kang <cody.kang.hk@xxxxxxxxxxx>
> Signed-off-by: Zhengyu He <hezhy472013@xxxxxxxxx>
Reviewed-by: Yixun Lan <dlan@xxxxxxxxxx>
> ---
> 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
>
--
Yixun Lan (dlan)