Messages in this thread | | | Date | Tue, 2 Jul 2013 08:45:56 -0300 | Subject | Re: [PATCHv3 2/3] ARM: mxs: cfa10049: Switch bus i2c1 to bitbanging | From | Fabio Estevam <> |
| |
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>; ?
| |