On 19:26-20230613, Kumar, Udit wrote:
> Hi Nishanth,
>
> On 6/2/2023 12:01 AM, Nishanth Menon wrote:
> > Define the wakeup uart pin-mux for completeness. This allows the
> > device tree usage in bootloader and firmwares that can configure the
> > same appropriately.
> >
> > Signed-off-by: Nishanth Menon <nm@xxxxxx>
> > ---
> > arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts | 9 +++++++++
> > 1 file changed, 9 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
> > index c13246a9ed8f..bc53ca566a68 100644
> > --- a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
> > +++ b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
> > @@ -531,6 +531,13 @@ J721E_WKUP_IOPAD(0xfc, PIN_INPUT_PULLUP, 0) /* (H24) WKUP_I2C0_SDA */
> > >;
> > };
> > + wkup_uart0_pins_default: wkup-uart0-pins-default {
> > + pinctrl-single,pins = <
> > + J721E_WKUP_IOPAD(0xa0, PIN_INPUT, 0) /* (J29) WKUP_UART0_RXD */
> > + J721E_WKUP_IOPAD(0xa4, PIN_OUTPUT, 0) /* (J28) WKUP_UART0_TXD */
> > + >;
> > + };
> > +
> > mcu_usbss1_pins_default: mcu-usbss1-pins-default {
> > pinctrl-single,pins = <
> > J721E_WKUP_IOPAD(0x3c, PIN_OUTPUT_PULLUP, 5) /* (A23) MCU_OSPI1_LBCLKO.WKUP_GPIO0_30 */
> > @@ -541,6 +548,8 @@ J721E_WKUP_IOPAD(0x3c, PIN_OUTPUT_PULLUP, 5) /* (A23) MCU_OSPI1_LBCLKO.WKUP_GPIO
> > &wkup_uart0 {
> > /* Wakeup UART is used by TIFS firmware. */
> > status = "reserved";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&wkup_uart0_pins_default>;
> > };
>
>
> If you like to consider alias for wkup_uart0 for this board ,
>
> Just to align with other boards for this SOC family. I understand
> wkup_uart0 is not being used.
Vignesh,
could you squash this locally OR if you like, I can post a v2:
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
index 3304460f6a0b..9922d7bb061f 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
@@ -20,6 +20,7 @@ / {
model = "BeagleBoard.org BeagleBone AI-64";
aliases {
+ serial0 = &wkup_uart0;
serial2 = &main_uart0;
mmc0 = &main_sdhci0;
mmc1 = &main_sdhci1;
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
