Re: [PATCH 3/5] ARM: omap3evm: enable VBUS switch for EHCI tranceiver

2012-07-08 Thread Zumeng Chen
于 2012年07月06日 16:41, Tony Lindgren 写道: * Sergei Shtylyovsshtyl...@mvista.com [120620 05:10]: On 20-06-2012 13:14, Zumeng Chen wrote: This will set TWL4030.GPIO2 as output pin to drive EHCI tranceiver. ... + /* Enable VBUS switch by setting TWL4030.GPIO2DIR as output +* for

Re: [PATCH 3/5] ARM: omap3evm: enable VBUS switch for EHCI tranceiver

2012-07-06 Thread Tony Lindgren
* Sergei Shtylyov sshtyl...@mvista.com [120620 05:10]: On 20-06-2012 13:14, Zumeng Chen wrote: This will set TWL4030.GPIO2 as output pin to drive EHCI tranceiver. ... +/* Enable VBUS switch by setting TWL4030.GPIO2DIR as output + * for starting USB tranceiver + */ +if

[PATCH 3/5] ARM: omap3evm: enable VBUS switch for EHCI tranceiver

2012-06-20 Thread Zumeng Chen
This was chosen by following the trace on the schematic from component U131 and U134 to the CPEN pin on the USB3320 device. TWL4030.GPIO2-...-(T2_GPIO2_3V3)U131-..nUSB2_EN-..U134-..EXP_nUSB2_1V8 which starts EHCI tranceiver USB3320. This will set TWL4030.GPIO2 as output pin to drive EHCI

Re: [PATCH 3/5] ARM: omap3evm: enable VBUS switch for EHCI tranceiver

2012-06-20 Thread Sergei Shtylyov
Hello. On 20-06-2012 13:14, Zumeng Chen wrote: This was chosen by following the trace on the schematic from component U131 and U134 to the CPEN pin on the USB3320 device. TWL4030.GPIO2-...-(T2_GPIO2_3V3)U131-..nUSB2_EN-..U134-..EXP_nUSB2_1V8 which starts EHCI tranceiver USB3320. This

Re: [PATCH 3/5] ARM: omap3evm: enable VBUS switch for EHCI tranceiver

2012-06-20 Thread Zumeng Chen
于 2012年06月20日 20:05, Sergei Shtylyov 写道: Hello. On 20-06-2012 13:14, Zumeng Chen wrote: This was chosen by following the trace on the schematic from component U131 and U134 to the CPEN pin on the USB3320 device. TWL4030.GPIO2-...-(T2_GPIO2_3V3)U131-..nUSB2_EN-..U134-..EXP_nUSB2_1V8