[RFC PATCH 3/5] thermal: Add support for the thermal sensor on A23/33

[Icenowy Zheng]

28.06.2016, 19:46, "Maxime Ripard" <maxime.ripard at free-electrons.com>:
> Hi,
>
> Thanks for working on this.
>
> On Tue, Jun 28, 2016 at 06:13:23PM +0800, Icenowy Zheng wrote:
>>  This patch adds support for the sun8iw3 thermal sensor on
>>  Allwinner A23/33 SoCs.
>>
>>  Signed-off-by: Icenowy Zheng <icenowy at aosc.xyz>
>
> The IP is awfully similar to the A31's, which already has a driver
> (drivers/input/touchscreen/sun4i-ts.c).
>
> There's no reason to add a new one here.
>
> Thanks,
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux, Kernel and Android engineering
> http://free-electrons.com

The reason for a dedicate driver is:
1. This IP have only thermal function, so it's not suitable to use a driver at drivers/input/touchscreen/.
2. Control Register are quite different.
3. This IP uses AUDIO PLL (PLL2) as its clock!