pinctrl-single,pins = <
0x190 (*PIN_INPUT*_PULLDOWN | MUX_MODE0) /*
mcasp0_aclkx.mcasp0_aclkx */
0x194 (*PIN_INPUT*_PULLDOWN | MUX_MODE0) /*
mcasp0_fsx.mcasp0_fsx, INPUT */
0x198 (*PIN_INPUT*_PULLDOWN | MUX_MODE0) /*
mcasp0_axr0.mcasp0_axr0 */
0x19c (*PIN_INPUT*_PULLDOWN | MUX_MODE2) /*
mcasp0_ahclkr.mcasp0_axr2 */
0x1ac (*PIN_INPUT*_PULLDOWN | MUX_MODE0) /*
MCASP0_AHCLKX -> MCASP0_AHCLKX (I2S_MCLK_OUT)- in */
>;
On Thu, Apr 28, 2016 at 9:24 PM, evilwulfie <[email protected]> wrote:
> Ok I am slightly confused her on the pinmux signal directions.
>
> In the BB-BONE-AUDI-02-00A0.dts file we have all pins set to inputs
>
> fragment@0 {
> target = <&am33xx_pinmux>;
> __overlay__ {
> bone_audio_cape_audio_pins: pinmux_bone_audio_cape_audio_pins {
> pinctrl-single,pins = <
> 0x190 (PIN_INPUT_PULLDOWN | MUX_MODE0) /*
> mcasp0_aclkx.mcasp0_aclkx */
> 0x194 (PIN_INPUT_PULLDOWN | MUX_MODE0) /*
> mcasp0_fsx.mcasp0_fsx, INPUT */
> 0x198 (PIN_INPUT_PULLDOWN | MUX_MODE0) /*
> mcasp0_axr0.mcasp0_axr0 */
> 0x19c (PIN_INPUT_PULLDOWN | MUX_MODE2) /*
> mcasp0_ahclkr.mcasp0_axr2 */
> 0x1ac (PIN_INPUT_PULLDOWN | MUX_MODE0) /*
> MCASP0_AHCLKX -> MCASP0_AHCLKX (I2S_MCLK_OUT)- in */
> >;
> };
> };
> };
>
> Am i missing something here ? All pins should be outputs except the
> audio input on axr0.mcasp0 which should be an input.
>
> On the UARTS the signal directions are correct.
>
> Is there some black magic that i am missing ?
>
>
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