Add the Idle state pins for USB host and enable WAKEUP on
DIR, DAT0-3, so that the PHY can wakeup the OMAP SoC from
sleep on any USB activity (e.g. remote wakeup or connect/disconnect).
CC: Benoît Cousson <b-cousson@xxxxxx>
Signed-off-by: Roger Quadros <rogerq@xxxxxx>
---
arch/arm/boot/dts/omap3-beagle-xm.dts | 29 +++++++++++++++++++++++------
1 files changed, 23 insertions(+), 6 deletions(-)
diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts
index d3808ed..f1d56c2 100644
--- a/arch/arm/boot/dts/omap3-beagle-xm.dts
+++ b/arch/arm/boot/dts/omap3-beagle-xm.dts
@@ -89,12 +89,7 @@
};
&omap3_pmx_core {
- pinctrl-names = "default";
- pinctrl-0 = <
- &hsusbb2_pins
- >;
-
- hsusbb2_pins: pinmux_hsusbb2_pins {
+ hsusb2_pins: pinmux_hsusb2_pins {
pinctrl-single,pins = <
0x5c0 (PIN_OUTPUT | MUX_MODE3) /* etk_d10.hsusb2_clk */
0x5c2 (PIN_OUTPUT | MUX_MODE3) /* etk_d11.hsusb2_stp */
@@ -110,6 +105,25 @@
0x1ae (PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_cs1.hsusb2_data3 */
>;
};
+
+ /* WAKEUP enabled on DIR, DAT0-3 */
+ hsusb2_idle_pins: pinmux_hsusb2_idle_pins {
+ pinctrl-single,pins = <
+ 0x5c0 (PIN_OUTPUT | MUX_MODE3) /* etk_d10.hsusb2_clk */
+ 0x5c2 (PIN_OUTPUT | MUX_MODE3) /* etk_d11.hsusb2_stp */
+ 0x5c4 (PIN_INPUT_PULLDOWN | WAKEUP_EN | MUX_MODE3) /* etk_d12.hsusb2_dir */
+ 0x5c6 (PIN_INPUT_PULLDOWN | MUX_MODE3) /* etk_d13.hsusb2_nxt */
+ 0x5c8 (PIN_INPUT_PULLDOWN | WAKEUP_EN | MUX_MODE3) /* etk_d14.hsusb2_data0 */
+ 0x5cA (PIN_INPUT_PULLDOWN | WAKEUP_EN | MUX_MODE3) /* etk_d15.hsusb2_data1 */
+ 0x1a4 (PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi1_cs3.hsusb2_data2 */
+ 0x1a6 (PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_clk.hsusb2_data7 */
+ 0x1a8 (PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_simo.hsusb2_data4 */
+ 0x1aa (PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_somi.hsusb2_data5 */
+ 0x1ac (PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_cs0.hsusb2_data6 */
+ 0x1ae (PIN_INPUT_PULLDOWN | WAKEUP_EN | MUX_MODE3) /* mcspi2_cs1.hsusb2_data3 */
+ >;
+ interrupts = <77>; /* route padconf wakeup to EHCI IRQ */
+ };
};
&i2c1 {
@@ -181,6 +195,9 @@
};
&usbhshost {
+ pinctrl-names = "default", "idle";
+ pinctrl-0 = <&hsusb2_pins>;
+ pinctrl-1 = <&hsusb2_idle_pins>;
port2-mode = "ehci-phy";
};
--
1.7.4.1
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