Re: [PATCH 11/15] arm64: dts: nuvoton: Add initial ma35d1 device tree

[Jacky Huang]

Dear Krzyszto,


On 2023/3/19 下午 07:06, Krzysztof Kozlowski wrote:
> On 18/03/2023 07:07, Jacky Huang wrote:
> > > > +		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_RAW(0x13) |
> > > > +			      IRQ_TYPE_LEVEL_HIGH)>;
> > > > +	};
> > > > +
> > > > +	uart0:serial@40700000 {
> > > > +		compatible = "nuvoton,ma35d1-uart";
> > > > +		reg = <0x0 0x40700000 0x0 0x100>;
> > > > +		interrupts = <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
> > > > +		clocks = <&clk UART0_GATE>;
> > > > +		status = "okay";
> > > Why? Drop the line... or convert it to disabled. Otherwise, why every
> > > SoC has serial0 enabled? Is it used internally?
> >
> > uart0 is on all the way since this SoC booting from the MaskROM boot code,
> >
> > load arm-trusted-firmware, load bootloader, and finally load linux  kernel.
> >
> > uart0 is also the Linux console.
> Are you sure? Maybe my board has UART0 disconnected.
>
> Best regards,
> Krzysztof


OK, I will have the uart0 disabled in dtsi, and enabled it in dts.


Best regards,

Jacky Huang