于 2019年7月20日 GMT+08:00 下午5:48:14, Maxime Ripard <maxime.ripard@xxxxxxxxxxx> 写到:
>On Sat, Jul 13, 2019 at 11:46:32AM +0800, Icenowy Zheng wrote:
>> 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.
>>
>> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
>> ---
>> No changes since v2.
>>
>> 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@xxxxxxx>
>> + */
>> +
>> +#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@xxxxxxx>
>> + */
>> +
>> +#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@xxxxxxx>
>> + */
>> +
>> +#include "sun8i-v3s.dtsi"
>> +
>> +&ccu {
>> + compatible = "allwinner,sun8i-v3-ccu";
>> +};
>> +
>> +&pio {
>> + compatible = "allwinner,sun8i-v3-pinctrl";
>> +};
>
>Is there any difference between the S3, S3L and V3?
DRAM. This might be useful when we introduce DRAM DVFS.
>
>If not, then we don't need all those DTSI, just add the v3
But I agree with this now.
>
>Maxime
>
>--
>Maxime Ripard, Bootlin
>Embedded Linux and Kernel engineering
>https://bootlin.com
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