i.MX7 pinctrl driver writing to non existent registers
s.hauer at pengutronix.de
Wed Mar 8 23:21:30 PST 2017
On Wed, Mar 08, 2017 at 02:57:53PM +0100, Shawn Guo wrote:
> On Wed, Feb 08, 2017 at 10:08:17AM +0100, Sascha Hauer wrote:
> > Hi All,
> > The i.MX7 has two pinmux controllers, the LPSR and the regular one. We
> > instantiate a driver for each one. Now the driver assumes that the pins
> > are completely configured with one iomux controller, but for the LPSR
> > pins this is not true: The MUX_CTL and PAD_CTL registers are indeed
> > in the LPSR controller, but the SELECT_INPUT registers for the same
> > pin are found in the regular controller.
> > The result is that with this pin for example:
> > #define MX7D_PAD_GPIO1_IO06__UART5_DCE_RX 0x0018 0x0048 0x0714 0x3 0x4
> > The LPSR controller writes to LPSR_BASE + 0x714 where it should really
> > be IOMUX_BASE + 0x714.
> Isn't property fsl,input-sel being there for addressing that?
Indeed, I have overlooked that. Sorry for the noise.
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