Set uart iotype to mmio32 to make earlycon work with stdout-path. Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx> --- arch/arm64/boot/dts/mediatek/mt8173.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index 5e046f9d48ce9..ca6ea71f5f435 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -613,6 +613,8 @@ uart0: serial@11002000 { interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_LOW>; clocks = <&pericfg CLK_PERI_UART0_SEL>, <&pericfg CLK_PERI_UART0>; clock-names = "baud", "bus"; + reg-io-width = <4>; + reg-shift = <2>; status = "disabled"; }; @@ -623,6 +625,8 @@ uart1: serial@11003000 { interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_LOW>; clocks = <&pericfg CLK_PERI_UART1_SEL>, <&pericfg CLK_PERI_UART1>; clock-names = "baud", "bus"; + reg-io-width = <4>; + reg-shift = <2>; status = "disabled"; }; @@ -633,6 +637,8 @@ uart2: serial@11004000 { interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_LOW>; clocks = <&pericfg CLK_PERI_UART2_SEL>, <&pericfg CLK_PERI_UART2>; clock-names = "baud", "bus"; + reg-io-width = <4>; + reg-shift = <2>; status = "disabled"; }; @@ -643,6 +649,8 @@ uart3: serial@11005000 { interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_LOW>; clocks = <&pericfg CLK_PERI_UART3_SEL>, <&pericfg CLK_PERI_UART3>; clock-names = "baud", "bus"; + reg-io-width = <4>; + reg-shift = <2>; status = "disabled"; }; -- 2.28.0.526.ge36021eeef-goog