Message-ID: <86A3A1C2-323E-439D-9615-530E2AD9E199@aosc.io>
Date:   Mon, 18 Mar 2019 23:15:18 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     linux-arm-kernel@...ts.infradead.org,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jagan Teki <jagan@...rulasolutions.com>
CC:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-sunxi@...glegroups.com,
        linux-clk@...r.kernel.org
Subject: Re: [linux-sunxi] [PATCH 11/14] ARM: sunxi: dts: s3/s3l/v3: add DTSI files for S3/S3L/V3 SoCs



于 2019年3月18日 GMT+08:00 下午8:41:32, Paul Kocialkowski <paul.kocialkowski@...tlin.com> 写到:
>Hi,
>
>Le mardi 12 mars 2019 à 23:22 +0800, Icenowy Zheng a écrit :
>> The Allwinner S3/S3L/V3 SoCs all share the same die with the V3s SoC,
>> but with more GPIO wired out of the package.
>> 
>> Add DTSI files for these SoCs. The DTSI file for V3 just replaces the
>> pinctrl compatible string, and the S3/S3L DTSI files just include the
>V3
>> DTSI file.
>
>Note that the V3 has a NMI controller at 1c000d0, that is required for
>handling the AXP209 interrupts IIRQ. I have no idea whether it's also
>the case on the V3s/S3/S3L though but it would be good to know.

It's not mentioned on the datasheet.

If it's present, please send a patch.

BTW all V3 series chip share the same die (sun8iw8).

Thanks

>
>Note that I can totally add support for it when adding support for my
>V3 device that uses the AXP209 this way.
>
>Also, could we get proper compatibles and config options for these new
>SoCs, since they are distinct from the V3S?
>
>Cheers,
>
>Paul
>
>> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
>> ---
>>  arch/arm/boot/dts/sun8i-s3.dtsi  |  6 ++++++
>>  arch/arm/boot/dts/sun8i-s3l.dtsi |  6 ++++++
>>  arch/arm/boot/dts/sun8i-v3.dtsi  | 14 ++++++++++++++
>>  3 files changed, 26 insertions(+)
>>  create mode 100644 arch/arm/boot/dts/sun8i-s3.dtsi
>>  create mode 100644 arch/arm/boot/dts/sun8i-s3l.dtsi
>>  create mode 100644 arch/arm/boot/dts/sun8i-v3.dtsi
>> 
>> diff --git a/arch/arm/boot/dts/sun8i-s3.dtsi
>b/arch/arm/boot/dts/sun8i-s3.dtsi
>> new file mode 100644
>> index 000000000000..0f41a25ecb30
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/sun8i-s3.dtsi
>> @@ -0,0 +1,6 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +/*
>> + * Copyright (C) 2019 Icenowy Zheng <icenowy@...c.io>
>> + */
>> +
>> +#include "sun8i-v3.dtsi"
>> diff --git a/arch/arm/boot/dts/sun8i-s3l.dtsi
>b/arch/arm/boot/dts/sun8i-s3l.dtsi
>> new file mode 100644
>> index 000000000000..0f41a25ecb30
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/sun8i-s3l.dtsi
>> @@ -0,0 +1,6 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +/*
>> + * Copyright (C) 2019 Icenowy Zheng <icenowy@...c.io>
>> + */
>> +
>> +#include "sun8i-v3.dtsi"
>> diff --git a/arch/arm/boot/dts/sun8i-v3.dtsi
>b/arch/arm/boot/dts/sun8i-v3.dtsi
>> new file mode 100644
>> index 000000000000..6ae8645ade50
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/sun8i-v3.dtsi
>> @@ -0,0 +1,14 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +/*
>> + * Copyright (C) 2019 Icenowy Zheng <icenowy@...c.io>
>> + */
>> +
>> +#include "sun8i-v3s.dtsi"
>> +
>> +&ccu {
>> +	compatible = "allwinner,sun8i-v3-ccu";
>> +};
>> +
>> +&pio {
>> +	compatible = "allwinner,sun8i-v3-pinctrl";
>> +};
>> -- 
>> 2.18.1
>> 
>-- 
>Paul Kocialkowski, Bootlin
>Embedded Linux and kernel engineering
>https://bootlin.com
>
>
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>linux-arm-kernel@...ts.infradead.org
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