Re: imx27: pinctrl: GPIO set output value failed

Hi,

On Tue, Jan 14, 2014 at 01:39:22PM +0800, Chris Ruehl wrote:
> Just fall over the Reference manual for the GPIO ports.
> Seams the iconfb0 is not addressed right.
> 
> On Tuesday, January 14, 2014 12:13 PM, Chris Ruehl wrote:
> >Hi,
> >
> >some kind of weired problem:
> >Some GPIO's can modified via /sysfs  others cannot
> >in my case gpio9 works, and gpio10,12 not.
> >The pinctrl debug out looks good to me.
> >
> >running kernel 3.13-rc
> >
> >Working OK
> Table 6.1 of the imx27 reference manual says (Page 6-5,6-6)
> >[ 1.553601] imx27-pinctrl 10015000.iomuxc: imx1_pmx_enable, pin
> >0x9, function 0, gpio 1, direction 1, oconf 3, iconfa 0, iconfb 0
> >[    1.553657] imx27-pinctrl 10015000.iomuxc: write: register
> >0xf4415004 offset 18 value 0x3
> PTA_OCR1  1001_5004 OK
> >
> >[    1.553712] imx27-pinctrl 10015000.iomuxc: write: register
> >0xf441500c offset 18 value 0x0
> PTA_ICONFA1 1001_500C  OK
> >
> >[    1.553766] imx27-pinctrl 10015000.iomuxc: write: register
> >0xf4415010 offset 18 value 0x0
> PTA_ICONFB1 1001_5014  --->  0xf4415010 seams the wrong address
> 1001_5010 is the PTA_ICONFA2

Yes you are right, it is wrong by 0x4, pinctrl-imx1-core.c:
#define MX1_ICONFB 0x10

Can you send a patch?

Thanks,

Markus

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