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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