Re: [EXT] I2C_IMX support for i.MX8MP

[Richard Leitner <richard.leitner@linux.dev>]

Hi Shenwei, Hi David,

friendly ping.

On Thu, Aug 18, 2022 at 03:47:23PM +0200, Richard Leitner wrote:
> On Thu, Aug 18, 2022 at 07:54:04AM -0500, David Wolfson wrote:
> > On Thu, Aug 18, 2022 at 11:59:41AM +0000, Shenwei Wang wrote:
> > > Hi Richard,
> > > 
> > > Nothing is hidden here. That is PAD control register, and should be documented in the IOMUXC and PIN Control section in the RM.
> > > 
> > 
> > Checking the IOMUX and PADs' settings is the first step when enabling
> > an interface.
> 
> Sure, that's what I've done. Nonetheless the "8.2.4.280
> SW_PAD_CTL_PAD_I2C3_SCL SW PAD Control Register
> (IOMUXC_SW_PAD_CTL_PAD_I2C3_SCL)" section in the IMX8MPRM says bit 30 is
> reserved.
> 
> So does "8.2.4.128 SW_MUX_CTL_PAD_I2C3_SCL SW MUX Control Register
> (IOMUXC_SW_MUX_CTL_PAD_I2C3_SCL)".
> 
> Maybe I'm just too dumb do find it... So it would be really helpful if
> you could please give a pointer where to find that documentation?

Any hints on where to find the documentation of that bit?

Thanks & regards;rl