Hi All,
I am trying to bring up the SDIO WiFI module on the BBB on the MMC3.
I tried the hardware connections as mentioned in the TI link:
mmc3_pins_default: pinmux_mmc3_pins_default {
pinctrl-single,pins = <
0x44 (PIN_INPUT_PULLUP | MUX_MODE3) /*
gpmc_a1.mmc2_dat0 */
0x48 (PIN_INPUT_PULLUP | MUX_MODE3) /*
gpmc_a2.mmc2_dat1 */
0x4C (PIN_INPUT_PULLUP | MUX_MODE3) /*
gpmc_a3.mmc2_dat2 */
0x78 (PIN_INPUT_PULLUP | MUX_MODE3) /*
gpmc_ben1.mmc2_dat3 */
0x88 (PIN_INPUT_PULLUP | MUX_MODE3) /*
gpmc_csn3.mmc2_cmd */
0x8C (PIN_INPUT_PULLUP | MUX_MODE3) /*
gpmc_clk.mmc2_clk */
>;
};
mmc3_pins_sleep: pinmux_mmc3_pins_sleep {
pinctrl-single,pins = <
0x44 (PIN_INPUT_PULLDOWN | MUX_MODE7) /*
gpmc_a1.mmc2_dat0 */
0x48 (PIN_INPUT_PULLDOWN | MUX_MODE7) /*
gpmc_a2.mmc2_dat1 */
0x4C (PIN_INPUT_PULLDOWN | MUX_MODE7) /*
gpmc_a3.mmc2_dat2 */
0x78 (PIN_INPUT_PULLDOWN | MUX_MODE7) /*
gpmc_ben1.mmc2_da */
0x88 (PIN_INPUT_PULLDOWN | MUX_MODE7) /*
gpmc_csn3.mmc2_cmd */
0x8C (PIN_INPUT_PULLDOWN | MUX_MODE7) /*
gpmc_clk.mmc2_clk */
>;
};
I made the GPIO1_16 as input.
I modified the am335x-boneblack.dts file as per the above.
But still the MMC3 is not up.
Need help on this for my project.
Thanks,
Annapurna.B
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