[PATCH 5/7] mfd: rk808: add support for RK806

[Alexander Shiyan]

Hello Sascha.

Since you're here, I've found another new patch for the driver:
https://patchwork.kernel.org/project/linux-rockchip/patch/20241017-rk809-dcdc3-v1-1-e3c3de92f39c@gmail.com/

чт, 17 окт. 2024 г. в 14:05, Sascha Hauer <s.hauer at pengutronix.de>:
>
> On Wed, Oct 16, 2024 at 07:08:24PM +0300, Alexander Shiyan wrote:
> > I'm just saying that we can use i2c-gpio driver on SPI pins since in
> > rk806 pins are common for i2c/spi :)
>
> Ok, that could work. We would still bootstrap the RK806 for I2C mode
> instead of SPI mode. Anyway, I am not keen on doing that.
>
> Sascha
>
> >
> > ср, 16 окт. 2024 г. в 13:48, Sascha Hauer <s.hauer at pengutronix.de>:
> > >
> > > On Wed, Oct 16, 2024 at 12:13:28PM +0300, Alexander Shiyan wrote:
> > > > As an example, this can be tested with i2c-gpio driver, is'nt it?
> > >
> > > We have a rockchip i2c driver in barebox. I just don't have a board
> > > where the RK806 is connected via I2C.
> > >
> > > Sascha
> > >
> > > >
> > > > ср, 16 окт. 2024 г. в 12:01, Sascha Hauer <s.hauer at pengutronix.de>:
> > > > >
> > > > > On Wed, Oct 16, 2024 at 10:07:57AM +0300, Alexander Shiyan wrote:
> > > > > > Oh, I see that in [4/7]. Sorry for the noise.
> > > > >
> > > > > I think you are misreading the patch. Indeed the RK806 can work in I2C
> > > > > mode and my patch series currently doesn't support this. I have two
> > > > > different of_device_id tables, one used for I2C and the other for SPI.
> > > > > RK806 currently only is in the SPI table, not in the I2C table.
> > > > >
> > > > > I2C support for RK806 is likely only a matter of adding the compatible
> > > > > entry. I can add it, but I cannot test it. Do you have a hardware to
> > > > > test this on?
> > > > >
> > > > > Sascha
> > > > >
> > > > >
> > > > > >
> > > > > > вт, 15 окт. 2024 г. в 17:46, Alexander Shiyan <eagle.alexander923 at gmail.com>:
> > > > > > >
> > > > > > > вт, 15 окт. 2024 г. в 14:21, Sascha Hauer <s.hauer at pengutronix.de>:
> > > > > > > >
> > > > > > > > This adds support for the RK806 to the rk808 driver. Additionally to
> > > > > > > > I2C this variant comes with SPI support, so add SPI probe support to the
> > > > > > > > driver.
> > > > > > > >
> > > > > > > > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > > > > > >
> > > > > > > Hello Sascha.
> > > > > > >
> > > > > > > RK806 can also work via I2C. Can you add this compatibility together?
> > > > > > >
> > > > > > > Thanks!
> > > > > >
> > > > >
> > > > > --
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> > > >
> > >
> > > --
> > > Pengutronix e.K.                           |                             |
> > > Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
> > > 31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
> > > Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |
> >
>
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> Pengutronix e.K.                           |                             |
> Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
> 31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |