Re: [PATCH 5/8] arm64: dts: s32g2: Add the Software Timer Watchdog (SWT) description

[Frank Li]

On Wed, Jul 30, 2025 at 09:50:18PM +0200, Daniel Lezcano wrote:
> Referred in the documentation as the Software Timer Watchdog (SWT),
> the s32g2 has 7 watchdogs. The number of watchdogs is designed to
> allow dedicating one watchdog per Cortex-M7/A53 present on the SoC.
>
> Describe them in the device tree.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/freescale/s32g2.dtsi | 56 ++++++++++++++++++++++++
>  1 file changed, 56 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi
> index 3e775d030e37..12ce02525ae1 100644
> --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi
> +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi
> @@ -566,5 +566,61 @@ stm6: timer@40224000 {
>  			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
>  			status = "disabled";
>  		};
> +
> +		swt0: watchdog@40100000 {

keep order according to hex address.

Frank
> +			compatible = "nxp,s32g2-swt";
> +			reg = <0x40100000 0x1000>;
> +			clocks = <&clks 0x3a>, <&clks 0x3b>, <&clks 0x3b>;
> +			clock-names = "counter", "module", "register";
> +			status = "disabled";
> +		};
> +
> +		swt1: watchdog@40104000 {
> +			compatible = "nxp,s32g2-swt";
> +			reg = <0x40104000 0x1000>;
> +			clocks = <&clks 0x3a>, <&clks 0x3b>, <&clks 0x3b>;
> +			clock-names = "counter", "module", "register";
> +			status = "disabled";
> +		};
> +
> +		swt2: watchdog@40108000 {
> +			compatible = "nxp,s32g2-swt";
> +			reg = <0x40108000 0x1000>;
> +			clocks = <&clks 0x3a>, <&clks 0x3b>, <&clks 0x3b>;
> +			clock-names = "counter", "module", "register";
> +			status = "disabled";
> +		};
> +
> +		swt3: watchdog@4010c000 {
> +			compatible = "nxp,s32g2-swt";
> +			reg = <0x4010c000 0x1000>;
> +			clocks = <&clks 0x3a>, <&clks 0x3b>, <&clks 0x3b>;
> +			clock-names = "counter", "module", "register";
> +			status = "disabled";
> +		};
> +
> +		swt4: watchdog@40200000 {
> +			compatible = "nxp,s32g2-swt";
> +			reg = <0x40200000 0x1000>;
> +			clocks = <&clks 0x3a>, <&clks 0x3b>, <&clks 0x3b>;
> +			clock-names = "counter", "module", "register";
> +			status = "disabled";
> +		};
> +
> +		swt5: watchdog@40204000 {
> +			compatible = "nxp,s32g2-swt";
> +			reg = <0x40204000 0x1000>;
> +			clocks = <&clks 0x3a>, <&clks 0x3b>, <&clks 0x3b>;
> +			clock-names = "counter", "module", "register";
> +			status = "disabled";
> +		};
> +
> +		swt6: watchdog@40208000 {
> +			compatible = "nxp,s32g2-swt";
> +			reg = <0x40208000 0x1000>;
> +			clocks = <&clks 0x3a>, <&clks 0x3b>, <&clks 0x3b>;
> +			clock-names = "counter", "module", "register";
> +			status = "disabled";
> +		};
>  	};
>  };
> --
> 2.43.0
>