Hi,
For a custom board I need to change the default pins for the audio. In the device tree of the evaluation board, the sai2 is used and is configured like:
pinctrl_sai2: sai2grp {
fsl,pins = <
MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK 0x17088
MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC 0x17088
MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA 0x11088
MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA 0x11088
MX6UL_PAD_JTAG_TMS__SAI2_MCLK 0x17088
MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04 0x17059
>;
};
One option would be used the following conf:
pinctrl_sai2: sai2grp {
fsl,pins = <
MX6UL_PAD_SD1_DATA1__SAI2_TX_BCLK 0x17088
MX6UL_PAD_SD1_DATA0__SAI2_TX_SYNC 0x17088
MX6UL_PAD_SD1_DATA3__SAI2_TX_DATA 0x11088
MX6UL_PAD_SD1_DATA2__SAI2_RX_DATA 0x11088
MX6UL_PAD_JTAG_TMS__SAI2_MCLK 0x17088
MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04 0x17059
>;
};
I disabled the usdhc1that was using the SD1 pins for this and in the evaluation board I sold these pins to the Jtag connector.
When I do the aplay I see no signals in any of the pins.
I also tried to use the SAI1 with the following configuration:
pinctrl_sai1: sai1grp {
fsl,pins = <
MX6UL_PAD_CSI_DATA05__SAI1_TX_BCLK 0x17088
MX6UL_PAD_CSI_DATA04__SAI1_TX_SYNC 0x17088
MX6UL_PAD_CSI_DATA07__SAI1_TX_DATA 0x11088
MX6UL_PAD_CSI_DATA06__SAI1_RX_DATA 0x11088
MX6UL_PAD_CSI_DATA01__SAI1_MCLK 0x17088
MX6UL_PAD_CSI_PIXCLK__GPIO4_IO18 0x17059
>;
};
Again, No output in any of the pins. Any one experienced any problem like this?
Thanks a lot for the help.
