| Message ID | 20221103195730.1681967-5-m.grzeschik@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ARM: at91: USB Device Port fixes | expand |
On 03.11.2022 21:57, Michael Grzeschik wrote: > We set the PIOC to GPIO mode. This way the pin becomes an s/the pin becomes/the pin that becomes ? > input signal will be usable by the controller. Without> this change the udc on the 9g20ek does not work. > > Cc: nicolas.ferre@microchip.com > Cc: ludovic.desroches@microchip.com > Cc: alexandre.belloni@bootlin.com > Cc: linux-arm-kernel@lists.infradead.org > Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Fixes? > --- > arch/arm/boot/dts/at91sam9g20ek_common.dtsi | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi > index 60d61291f34445..1d385fb1c21793 100644 > --- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi > +++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi > @@ -39,6 +39,13 @@ pinctrl_pck0_as_mck: pck0_as_mck { > > }; > > + usb1 { > + pinctrl_usb1_vbus_gpio: usb1_vbus_gpio { > + atmel,pins = > + <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */ > + }; > + }; > + > mmc0_slot1 { > pinctrl_board_mmc0_slot1: mmc0_slot1-board { > atmel,pins = > @@ -84,6 +91,9 @@ macb0: ethernet@fffc4000 { > }; > > usb1: gadget@fffa4000 { > + pinctrl-0 = < > + &pinctrl_usb1_vbus_gpio>; You can keep it on a single line. > + pinctrl-names = "default"; > atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>; > status = "okay"; > }; > -- > 2.30.2 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi index 60d61291f34445..1d385fb1c21793 100644 --- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi +++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi @@ -39,6 +39,13 @@ pinctrl_pck0_as_mck: pck0_as_mck { }; + usb1 { + pinctrl_usb1_vbus_gpio: usb1_vbus_gpio { + atmel,pins = + <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */ + }; + }; + mmc0_slot1 { pinctrl_board_mmc0_slot1: mmc0_slot1-board { atmel,pins = @@ -84,6 +91,9 @@ macb0: ethernet@fffc4000 { }; usb1: gadget@fffa4000 { + pinctrl-0 = < + &pinctrl_usb1_vbus_gpio>; + pinctrl-names = "default"; atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>; status = "okay"; };
We set the PIOC to GPIO mode. This way the pin becomes an input signal will be usable by the controller. Without this change the udc on the 9g20ek does not work. Cc: nicolas.ferre@microchip.com Cc: ludovic.desroches@microchip.com Cc: alexandre.belloni@bootlin.com Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> --- arch/arm/boot/dts/at91sam9g20ek_common.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+)