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. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html