Messages in this thread | | | Date | Sun, 19 Mar 2023 22:16:34 +0800 | Subject | Re: [PATCH 11/15] arm64: dts: nuvoton: Add initial ma35d1 device tree | From | Jacky Huang <> |
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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
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