Hi Geert-san,
> From: Geert Uytterhoeven, Sent: Wednesday, April 17, 2024 12:40 AM
>
> Add the device node for the Interrupt Controller for External Devices
> (INTC-EX) on the Renesas R-Car V4M (R8A779H0) SoC, which serves external
> IRQ pins IRQ[0-5].
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Thank you for the patch!
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> ---
> IRQ2 was tested on the Gray Hawk Single development board using
> gpio-keys. With the default hardware setup, this causes an interrupt
> storm, as expected (pin is shared with MD0).
I tested on the Gray Hawk Single board, and it worked correctly like below:
- If SW5-1 on the SW board turned on, the interrupt happened (as strom).
- After that, if the SW5-1 turned off, the interrupt stopped and /proc/interrupts
showed the interrupt counts.
So,
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Best regards,
Yoshihiro Shimoda
> To be queued in renesas-devel for v6.10.
> ---
> arch/arm64/boot/dts/renesas/r8a779h0.dtsi | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
> index 530219f21295f76f..bd3955316a88c8f2 100644
> --- a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
> @@ -404,6 +404,22 @@ tsc: thermal@e6198000 {
> #thermal-sensor-cells = <1>;
> };
>
> + intc_ex: interrupt-controller@e61c0000 {
> + compatible = "renesas,intc-ex-r8a779h0", "renesas,irqc";
> + #interrupt-cells = <2>;
> + interrupt-controller;
> + reg = <0 0xe61c0000 0 0x200>;
> + interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 611>;
> + power-domains = <&sysc R8A779H0_PD_ALWAYS_ON>;
> + resets = <&cpg 611>;
> + };
> +
> tmu0: timer@e61e0000 {
> compatible = "renesas,tmu-r8a779h0", "renesas,tmu";
> reg = <0 0xe61e0000 0 0x30>;
> --
> 2.34.1
>
