On Sep 02, 2025 at 12:49:15 +0530, Akashdeep Kaur wrote:
> After the SoC has entered the DeepSleep low power mode, USB1 can be used
> to wakeup the SoC based on USB events triggered by USB devices. This
> requires that the pin corresponding to the Type-A connector remains pulled
> up even after the SoC has entered the DeepSleep low power mode.
> For that, either DeepSleep pullup configuration can be selected or the pin
> can have the same configuration that it had when SoC was in active mode.
> But, in order for DeepSleep configuration to take effect, the DeepSleep
> control bit has to be enabled.
> Remove the unnecessary DeepSleep state configuration from USB1_DRVBUS pin,
> as the DeepSleep control bit is not set and the active configuration is
> sufficient to keep the pin pulled up. This simplifies the setup and removes
> redundant configuration.
>
> This reverts commit 115290c112952db27009668aa7ae2f29920704f0.
>
> Signed-off-by: Akashdeep Kaur <a-kaur@ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
> index 899da7896563..e8f0ac2c55e2 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
> @@ -360,7 +360,7 @@ AM62PX_IOPAD(0x01b0, PIN_OUTPUT, 2) /* (G20) MCASP0_ACLKR.UART1_TXD */
>
> main_usb1_pins_default: main-usb1-default-pins {
> pinctrl-single,pins = <
> - AM62PX_IOPAD(0x0258, PIN_INPUT | PIN_DS_PULLUD_ENABLE | PIN_DS_PULL_UP, 0) /* (G21) USB1_DRVVBUS */
> + AM62PX_IOPAD(0x0258, PIN_INPUT, 0) /* (G21) USB1_DRVVBUS */
Reviewed-by: Dhruva Gole <d-gole@ti.com>
--
Best regards,
Dhruva Gole
Texas Instruments Incorporated