usb1_drvvbus pin is used to Drive-VBUS enable to external charge
pump/power switch.

Add a pinmux for that pin.

Signed-off-by: Dmitry Lifshitz <lifsh...@compulab.co.il>
Acked-by: Igor Grinberg <grinb...@compulab.co.il>
---

  v2:

   * No fuctional changes
   * Reformat subject

 arch/arm/boot/dts/am57xx-sbc-am57x.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/am57xx-sbc-am57x.dts 
b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
index 93852e2..17a1972 100644
--- a/arch/arm/boot/dts/am57xx-sbc-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
@@ -37,6 +37,12 @@
                        DRA7XX_CORE_IOPAD(0x377c, PIN_INPUT | MUX_MODE14)       
/* mmc1_sdwp.gpio6_28 */
                >;
        };
+
+       usb1_pins: pinmux_usb1_pins {
+               pinctrl-single,pins = <
+                       DRA7XX_CORE_IOPAD(0x3680, PIN_INPUT_SLEW | MUX_MODE0) 
/* usb1_drvvbus */
+               >;
+       };
 };
 
 &uart3 {
@@ -59,3 +65,8 @@
        cd-gpios = <&gpio6 27 GPIO_ACTIVE_LOW>;
        wp-gpios = <&gpio6 28 GPIO_ACTIVE_HIGH>;
 };
+
+&usb1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&usb1_pins>;
+};
-- 
1.9.1

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