[U-Boot] [PATCH v3 7/7] ARM: OMAP5-uevm: Add usb device reset API

Dan Murphy dmurphy at ti.com
Wed Jul 31 21:43:34 CEST 2013


Marek

On 07/17/2013 11:30 PM, Marek Vasut wrote:
> Dear Dan Murphy,
>
>> Add the call back to reset the LAN9730 after
>> the FEAT_POWER has been called.
>>
>> Signed-off-by: Dan Murphy <dmurphy at ti.com>
>> ---
>> v3 - Added this patch to separate the patch series -
>> http://patchwork.ozlabs.org/patch/258229/
>>
>>  board/ti/omap5_uevm/evm.c |   11 +++++++++++
>>  1 file changed, 11 insertions(+)
>>
>> diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c
>> index 9add0fd..42253fd 100644
>> --- a/board/ti/omap5_uevm/evm.c
>> +++ b/board/ti/omap5_uevm/evm.c
>> @@ -31,6 +31,7 @@
>>
>>  #ifdef CONFIG_USB_EHCI
>>  #include <usb.h>
>> +#include <asm/gpio.h>
>>  #include <asm/arch/ehci.h>
>>  #include <asm/ehci-omap.h>
>>
>> @@ -169,4 +170,14 @@ int ehci_hcd_stop(void)
>>  	ret = omap_ehci_hcd_stop();
>>  	return ret;
>>  }
>> +
>> +void usb_hub_reset_devices(int port)
>> +{
>> +	/* The LAN9730 needs to be reset after the port power has been set. */
>> +	if (port == 3) {
>> +		gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 0);
>> +		udelay(10);
>> +		gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 1);
>> +	}
>> +}
> Do you really need a config option for a board-specific GPIO used in a board 
> file?

Sorry I missed addressing this comment.

I am not adding a config option but I am re-using the CONFIG option that already exists.
I did not want to define the GPIO number twice.

This CONFIG option is also used in the ehci-omap.c file.

Dan

>
>>  #endif
> Best regards,
> Marek Vasut


-- 
------------------
Dan Murphy



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