lkml.org 
[lkml]   [2013]   [Jul]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCHv3 2/3] ARM: mxs: cfa10049: Switch bus i2c1 to bitbanging
From
On Tue, Jul 2, 2013 at 8:35 AM, Alexandre Belloni
<alexandre.belloni@free-electrons.com> wrote:

> mxs-i2c 8005a000.i2c: Failed to get PIO reg. write descriptor.
>
> That is the one line 243. I'm open to any suggestion.
>
> BTW, I also tested PIO mode with and without touchscreen support as that
> seemed to toggle the issue on your side. It is also worse than what it
> was in 3.9. Trying to read the nau7802 ADC never returns.
>
> The excerpt from my DT:
>
> i2c1: i2c@8005a000 {
> pinctrl-names = "default";
> pinctrl-0 = <&i2c1_pins_a>;
> status = "okay";
> };
>
> i2cmux {
> compatible = "i2c-mux-gpio";
> #address-cells = <1>;
> #size-cells = <0>;
> pinctrl-names = "default";
> pinctrl-0 = <&i2cmux_pins_cfa10049>;
> mux-gpios = <&gpio1 22 0 &gpio1 23 0>;
> i2c-parent = <&i2c1>;
>
> i2c@0 {
> reg = <0>;

Shouldn't this be

i2c@1 {
reg = <1>; ?


\
 
 \ /
  Last update: 2013-07-02 20:21    [W:0.073 / U:0.344 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site