[PATCH v2 2/2] ARM: dts: imx51-babbage: Add USB OTG support
Fabio Estevam
festevam at gmail.com
Wed Mar 26 10:54:39 EDT 2014
From: Fabio Estevam <fabio.estevam at freescale.com>
Tested by pinging from the host PC to the imx51-babbage via a g_ether
connection.
Signed-off by: Dave Ebright <dave.ebright at parsons.com>
Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
Changes since v1:
- Use 'otg' instead of 'peripheral' in the dr_mode property
- use 'utmi_wide' instead of 'utmi'
For USB OTG to work on mx51 the following driver patch is needed:
http://marc.info/?l=linux-usb&m=139571614508749&w=2
arch/arm/boot/dts/imx51-babbage.dts | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts
index 1084607..4714c08 100644
--- a/arch/arm/boot/dts/imx51-babbage.dts
+++ b/arch/arm/boot/dts/imx51-babbage.dts
@@ -584,3 +584,10 @@
phy_type = "ulpi";
status = "okay";
};
+
+&usbotg {
+ dr_mode = "otg";
+ disable-over-current;
+ phy_type = "utmi_wide";
+ status = "okay";
+};
--
1.8.1.2
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