Toggle GPIO pins of IMX8MM

[divyeshmarne0]

Hi Team,

Need your inputs here.

I want to toggle few PINS of IMX8mm based on signal and operations.

Like sometimes i have to mute the Amplifier. for that I have pull HIGH gpio3_IO24. LED to turn ON /OFF for sometimes. How to play with GPIO . which driver we can use in NXP code base Android 11.

Can you provide inputs here, how we can toggle these pins and In which driver we can do that.

Please provide example if possible.

SD_GPIO (SHUTDOWN)	SAI5_RXD0	GPIO3_IO21
Fault_GPIO	SAI5_RXFS	GPIO3_IO19
PLIMIT	SAI5_RXD2	GPIO3_IO23
MUTE_GPIO	SAI5_RXD3	GPIO3_IO24
CODEC_20W_RESET	SAI3_RXFS	GPIO4_IO28
CODEC_0.8W_RESET	SAI1_RXC	GPIO4_IO1

[divyeshmarne0]

Hi Team,

Please update on above case.

[jimmychan]

You may take the gpio-leds as an example.

in the dts file.

https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8mm-evk.d...

And the driver is:

https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/leds/leds-gpio.c?h=lf-5.10.y