From: Dave Gerlach <d-gerlach@xxxxxx>
Add pinctrl default and sleep states for each usb device.
The only pin that can be controlled is USB_DRVVBUS, this
must be set to MUX_MODE7 (gpio) during sleep to conserve
power.
Signed-off-by: Dave Gerlach <d-gerlach@xxxxxx>
[nsekhar@xxxxxx: move pins to core dwc3]
Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
---
arch/arm/boot/dts/am437x-gp-evm.dts | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 84aa30c3235a..2e990a5f9e95 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -409,6 +409,30 @@
0x234 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart3_rtsn.uart3_rtsn */
>;
};
+
+ usb1_pins_default: usb1_pins_default {
+ pinctrl-single,pins = <
+ 0x2c0 (DS0_PULL_UP_DOWN_EN | PIN_INPUT_PULLDOWN | MUX_MODE0)
+ >;
+ };
+
+ usb1_pins_sleep: usb1_pins_sleep {
+ pinctrl-single,pins = <
+ 0x2c0 (DS0_PULL_UP_DOWN_EN | PIN_INPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
+
+ usb2_pins_default: usb2_pins_default {
+ pinctrl-single,pins = <
+ 0x2c4 (DS0_PULL_UP_DOWN_EN | PIN_INPUT_PULLDOWN | MUX_MODE0)
+ >;
+ };
+
+ usb2_pins_sleep: usb2_pins_sleep {
+ pinctrl-single,pins = <
+ 0x2c4 (DS0_PULL_UP_DOWN_EN | PIN_INPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
};
&i2c0 {
@@ -615,6 +639,9 @@
&usb1 {
dr_mode = "peripheral";
status = "okay";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&usb1_pins_default>;
+ pinctrl-1 = <&usb1_pins_sleep>;
};
&usb2_phy2 {
@@ -624,6 +651,9 @@
&usb2 {
dr_mode = "host";
status = "okay";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&usb2_pins_default>;
+ pinctrl-1 = <&usb2_pins_sleep>;
};
&mac {
--
2.4.4.408.g16da57c
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