[linux-sunxi] Re: [PATCH v3 02/12] arm64: allwinner: a64: add NMI controller on A64

[Icenowy Zheng]

于 2017年4月18日 GMT+08:00 下午3:00:16, Maxime Ripard <maxime.ripard at free-electrons.com> 写到:
>On Mon, Apr 17, 2017 at 07:57:37PM +0800, Icenowy Zheng wrote:
>> Allwinner A64 SoC features a NMI controller, which is usually
>connected
>> to the AXP PMIC.
>> 
>> Add support for it.
>> 
>> Signed-off-by: Icenowy Zheng <icenowy at aosc.io>
>> Acked-by: Chen-Yu Tsai <wens at csie.org>
>> ---
>> Changes in v2:
>> - Added Chen-Yu's ACK.
>> 
>>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>> 
>> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> index 05ec9fc5e81f..53c18ca372ea 100644
>> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>> @@ -403,6 +403,14 @@
>>  				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
>>  		};
>>  
>> +		nmi_intc: interrupt-controller at 01f00c0c {
>> +			compatible = "allwinner,sun6i-a31-sc-nmi";
>> +			interrupt-controller;
>> +			#interrupt-cells = <2>;
>> +			reg = <0x01f00c0c 0x38>;
>
>The base address is not correct, and there's uncertainty on whether
>this is this particular controller or not. Did you even test this?

Tested by axp20x-pek.

>
>Maxime