[2/2] ARM: dts: am437x-gp-evm: Add pinctrl states for usb

Commit Message

Sekhar Nori Aug. 31, 2015, 3:39 p.m. UTC

From: Dave Gerlach <[e-mail]>

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 <[e-mail]>
[[e-mail]: move pins to core dwc3]
Signed-off-by: Sekhar Nori <[e-mail]>
---
 arch/arm/boot/dts/am437x-gp-evm.dts | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

Patch

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 {