Re: [PATCH 4/4] ARM: dts: bcm2835: Add the V3D reset line

Stefan Wahren <[email protected]>
Newsgroups org.freedesktop.lists.dri-devel,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree
Message-ID <[email protected]>
Am 16.08.26 um 16:05 schrieb Maíra Canal:
> The PM block exposes a reset line for the V3D block, which the vc4 driver
> uses to reset the GPU when recovering from a hang instead of forcing its
> power domain down. Wire it up in the shared V3D node, covering BCM2835,
> BCM2836 and BCM2837.
>
> BCM2711 already describes the same reset line for its V3D node.
>
> Signed-off-by: Maíra Canal <[email protected]>
Reviewed-by: Stefan Wahren <[email protected]>
> ---
>   arch/arm/boot/dts/broadcom/bcm2835-common.dtsi | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/broadcom/bcm2835-common.dtsi b/arch/arm/boot/dts/broadcom/bcm2835-common.dtsi
> index 1e76b290510d..39eea8ce1058 100644
> --- a/arch/arm/boot/dts/broadcom/bcm2835-common.dtsi
> +++ b/arch/arm/boot/dts/broadcom/bcm2835-common.dtsi
> @@ -139,6 +139,7 @@ v3d: v3d@7ec00000 {
>   			compatible = "brcm,bcm2835-v3d";
>   			reg = <0x7ec00000 0x1000>;
>   			interrupts = <1 10>;
> +			resets = <&pm BCM2835_RESET_V3D>;
>   		};
>   
>   	};
>
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