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ARM: dts: at91: sama5d4_xplained: add pincontrol for USB Host
authorCristian Birsan <cristian.birsan@microchip.com>
Wed, 18 Nov 2020 12:00:18 +0000 (14:00 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 30 Dec 2020 10:53:20 +0000 (11:53 +0100)
[ Upstream commit be4dd2d448816a27c1446f8f37fce375daf64148 ]

The pincontrol node is needed for USB Host since Linux v5.7-rc1. Without
it the driver probes but VBus is not powered because of wrong pincontrol
configuration.

Fixes: 38153a017896f ("ARM: at91/dt: sama5d4: add dts for sama5d4 xplained board")
Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/20201118120019.1257580-3-cristian.birsan@microchip.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/arm/boot/dts/at91-sama5d4_xplained.dts patch | blob | history

diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
index e5974a1..0b3ad1b 100644 (file)
--- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
@@ -134,6 +134,11 @@
                                                atmel,pins =
                                                        <AT91_PIOE 31 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
                                        };
+                                       pinctrl_usb_default: usb_default {
+                                               atmel,pins =
+                                                       <AT91_PIOE 11 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+                                                        AT91_PIOE 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+                                       };
                                        pinctrl_key_gpio: key_gpio_0 {
                                                atmel,pins =
                                                        <AT91_PIOE 8 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
@@ -159,6 +164,8 @@
                                           &pioE 11 GPIO_ACTIVE_HIGH
                                           &pioE 14 GPIO_ACTIVE_HIGH
                                          >;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&pinctrl_usb_default>;
                        status = "okay";
                };