The "output-enable" property is set on uart1's RTS pin. This is bogus because the hardware does not actually have a controllable output buffer. Secondly, the implementation incorrectly treats this property as a request to switch the pin to GPIO output. This does not fit the intended semantic of "output-enable" and it does not have any affect either because the pin is muxed to the UART function, not the GPIO function. Drop the property. Fixes: cd894e274b74 ("arm64: dts: mt8183: Add krane-sku176 board") Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx> --- arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi index f934b8aad3ed..75c799a6adb4 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi @@ -797,7 +797,6 @@ pins-tx { }; pins-rts { pinmux = <PINMUX_GPIO47__FUNC_URTS1>; - output-enable; }; pins-cts { pinmux = <PINMUX_GPIO46__FUNC_UCTS1>; @@ -816,7 +815,6 @@ pins-tx { }; pins-rts { pinmux = <PINMUX_GPIO47__FUNC_URTS1>; - output-enable; }; pins-cts { pinmux = <PINMUX_GPIO46__FUNC_UCTS1>; -- 2.44.0.683.g7961c838ac-goog