[PATCH 1/4] arm64: dts: mediatek: mt7986: fix the switch reset line on BPI-R3

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Tue Jul 30 02:18:36 PDT 2024


Il 27/06/24 09:58, Leith Bade ha scritto:
> The current GPIO definition for the MT7531 switch reset line incorrectly
> specifies a pin GPIO_0 (GPIO5) that is connected to the boot mode
> selection DIP switch (SW1).
> 
> In the public schematic for the BPI-R3 (titled "BPI-R3-MT7986A",
> revision "V1.1", sheet 4), the SPI1_CS (GPIO32) pin of the MT7986 (U1E)
> is connected to the GbE_RESET net.
> 
> Frank Wunderlich has told me, via the Banana Pi forum, that this GbE_RESET
> net connects to the MT7531 reset line in the private part of the shematic
> he has a copy of.
> 

This commit needs a Fixes tag. After which,

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

> Signed-off-by: Leith Bade <leith at bade.nz>
> ---
>   arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts
> index ed79ad1ae871..951612ea1e66 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts
> +++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts
> @@ -206,7 +206,7 @@ switch: switch at 31 {
>   		interrupt-controller;
>   		#interrupt-cells = <1>;
>   		interrupts-extended = <&pio 66 IRQ_TYPE_LEVEL_HIGH>;
> -		reset-gpios = <&pio 5 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&pio 32 GPIO_ACTIVE_HIGH>;
>   	};
>   };
>   





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