Re: [PATCH] ARM: dts: ti/omap: omap4-serial: fix interrupts syntax

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Hi Andreas,

On 30/12/2024 21:55, Andreas Kemnade wrote:
> Usually interrupts are overwritten in the board file to specify a
> mux-dependent dedicated wakeup irq, so there is interrupts and
> interrupts-extended property which is not allowed. That has generated a
> lot of noise during dts changes if just a phandle involved has randomly
> changed.
> 
> Avoid that mess by specifying interrupts-extended in the dtsi file.
> 
> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> Reported-by: Rob Herring <robh@xxxxxxxxxx>
> Closes: https://lore.kernel.org/linux-omap/173558214240.2262575.18233884215338168789.robh@xxxxxxxxxx/
> Closes: https://lore.kernel.org/linux-omap/172784021601.525825.18405282128990798038.robh@xxxxxxxxxx/
> ---
>  arch/arm/boot/dts/ti/omap/omap4-l4.dtsi | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/ti/omap/omap4-l4.dtsi b/arch/arm/boot/dts/ti/omap/omap4-l4.dtsi
> index 3fcef3080eae..150dd84c9e0f 100644
> --- a/arch/arm/boot/dts/ti/omap/omap4-l4.dtsi
> +++ b/arch/arm/boot/dts/ti/omap/omap4-l4.dtsi
> @@ -1414,7 +1414,7 @@ SYSC_OMAP2_SOFTRESET |
>  			uart3: serial@0 {
>  				compatible = "ti,omap4-uart";
>  				reg = <0x0 0x100>;
> -				interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
> +				interrupts-extended = <&wakeupgen GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;

At this point interrupts-extended is not applicable.

We could use
	/delete-property/ interrupts
in the board files that needs multiple interrupt parents?

>  				clock-frequency = <48000000>;
>  			};
>  		};
> @@ -1765,7 +1765,7 @@ SYSC_OMAP2_SOFTRESET |
>  			uart1: serial@0 {
>  				compatible = "ti,omap4-uart";
>  				reg = <0x0 0x100>;
> -				interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
> +				interrupts-extended = <&wakeupgen GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
>  				clock-frequency = <48000000>;
>  			};
>  		};
> @@ -1794,7 +1794,7 @@ SYSC_OMAP2_SOFTRESET |
>  			uart2: serial@0 {
>  				compatible = "ti,omap4-uart";
>  				reg = <0x0 0x100>;
> -				interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
> +				interrupts-extended = <&wakeupgen GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
>  				clock-frequency = <48000000>;
>  			};
>  		};
> @@ -1823,7 +1823,7 @@ SYSC_OMAP2_SOFTRESET |
>  			uart4: serial@0 {
>  				compatible = "ti,omap4-uart";
>  				reg = <0x0 0x100>;
> -				interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
> +				interrupts-extended = <&wakeupgen GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
>  				clock-frequency = <48000000>;
>  			};
>  		};

-- 
cheers,
-roger





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