Re: [PATCH v2 3/4] ARM: dts: armada-38x: Fix compatible string for gpios

Uwe Kleine-König
2022-07-16T14:40:51Z

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On Thu, Jul 14, 2022 at 08:33:27PM +0200, Pali Rohár wrote:
> Armada 38x supports per CPU interrupts for gpios, like Armada XP. Pre-XP
> variants like Armada 370 do not support per CPU interrupts for gpios.
>
> So change compatible string for Armada 38x from "marvell,armada-370-gpio"
> which indicates pre-XP variant to "marvell,armadaxp-gpio" which indicates
> XP variant or new.
>
> Driver gpio-mvebu.c which handles both pre-XP and XP variants already
> provides support for per CPU interrupts on XP and newer variants.
>
> Signed-off-by: Pali Rohár <pali@kernel.org>
> Fixes: 7cb2acb3fbae ("ARM: dts: mvebu: Add PWM properties for armada-38x")
> ---
> arch/arm/boot/dts/armada-38x.dtsi | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
> index df3c8d1d8f64..9343de6947b3 100644
> --- a/arch/arm/boot/dts/armada-38x.dtsi
> +++ b/arch/arm/boot/dts/armada-38x.dtsi
> @@ -292,7 +292,7 @@
> };
>
> gpio0: gpio@18100 {
> - compatible = "marvell,armada-370-gpio",
> + compatible = "marvell,armadaxp-gpio",
> "marvell,orion-gpio";

If you can treat the XP variant as 370 and everything that is supposed
to work on 370 works then, then maybe the right incarnation is:

compatible = "marvell,armadaxp-gpio", "marvell,armada-370-gpio", "marvell,orion-gpio";

?

Best regards
Uwe

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