[PATCH v5 2/4] ARM: dts: at91: sama5d2: add AIC node

Eugen.Hristev at microchip.com Eugen.Hristev at microchip.com
Fri Mar 4 15:33:35 CET 2022


On 3/4/22 1:05 PM, Clément Léger wrote:
> When using interrupts property, a global interrupt controller needs to
> be added to avoid warnings when compiling device-tree:
> 
>   arch/arm/dts/at91-sama5d2_xplained.dtb: Warning (interrupts_property):
>      /ahb/apb/timer at f800c000: Missing interrupt-parent
> 
> Add AIC node as the sama5d2 global interrupt controller.
> 
> Signed-off-by: Clément Léger <clement.leger at bootlin.com>
> ---
>   arch/arm/dts/sama5d2.dtsi | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm/dts/sama5d2.dtsi b/arch/arm/dts/sama5d2.dtsi
> index 038cd73c03..dee68dc022 100644
> --- a/arch/arm/dts/sama5d2.dtsi
> +++ b/arch/arm/dts/sama5d2.dtsi
> @@ -3,6 +3,7 @@
>   / {
>          model = "Atmel SAMA5D2 family SoC";
>          compatible = "atmel,sama5d2";
> +       interrupt-parent = <&aic>;
> 
>          aliases {
>                  spi0 = &spi0;
> @@ -700,6 +701,15 @@
>                                  clocks = <&h32ck>;
>                          };
> 
> +                       aic: interrupt-controller at fc020000 {
> +                               #interrupt-cells = <3>;
> +                               compatible = "atmel,sama5d2-aic";
> +                               interrupt-controller;
> +                               reg = <0xfc020000 0x200>;
> +                               atmel,external-irqs = <49>;
> +                               status = "disabled";
> +                       };

DT nodes should be sorted by base address.
Check patch 3/4 as well.

> +
>                          watchdog at f8048040 {
>                                  compatible = "atmel,sama5d4-wdt";
>                                  reg = <0xf8048040 0x10>;
> --
> 2.34.1
> 



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