> -----Original Message----- > From: Shawn Guo [mailto:shawnguo@xxxxxxxxxx] > Sent: Monday, October 8, 2018 2:21 PM > To: Oliver Graute <oliver.graute@xxxxxxxxx> > Cc: devicetree@xxxxxxxxxxxxxxx; s.hauer@xxxxxxxxxxxxxx; dl-linux-imx > <linux-imx@xxxxxxx>; Fabio Estevam <fabio.estevam@xxxxxxx>; Anson > Huang <anson.huang@xxxxxxx> > Subject: Re: Can't set MX6UL_PAD_LCD_DATA10 register with devicetree > > Copy NXP folks and list. > > On Fri, Oct 05, 2018 at 02:45:19PM +0200, Oliver Graute wrote: > > Hello list, > > > > I try to set the following PAD in my imx6ul devicetree (derived from > > imx6ul-14x14-evk.dts) > > > > MX6UL_PAD_LCD_DATA10__GPIO3_IO15 0x100b0 > > > > but after kernel compiling and booting the register value is not > > changed. A readout with devmem2 show me the wrong value. > > > > devmem2 0x020E03CC > > /dev/mem opened. > > Memory mapped at address 0x76fc4000. > > Read at address 0x020E03CC (0x76fc43cc): 0x000010B0 > > > > Setting the register manually with devmem2 just works fine. > > > > /usr/bin/devmem2 0x020E03CC w 0x000100B0 > > > > other PADs like MX6UL_PAD_GPIO1_IO07__ENET1_MDC I could configure via > > the imx6ul devicetree. > > > > ideas what I'm doing wrong here? > > I will check it. Regards Dong Aisheng > > Best Regards, > > > > Oliver
