2014-02-18 16:04 GMT+01:00 Alexander Shiyan <shc_work@xxxxxxx>:
> On Mon, 17 Feb 2014 17:57:24 +0100
> Richard Genoud <richard.genoud@xxxxxxxxx> wrote:
>
>> On sam9x5, dedicated CTS (and RTS) pins are unusable together with the
>> LCDC, the EMAC, or the MMC because they share the same line.
>>
>> Moreover, the USART controller doesn't handle DTR/DSR/DCD/RI signals,
>> so we have to control them via GPIO.
>>
>> This patch permits to use GPIOs to control the CTS/RTS/DTR/DSR/DCD/RI
>> signals.
>>
>> Signed-off-by: Richard Genoud <richard.genoud@xxxxxxxxx>
> ...
>> diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
>> index 605add05af7e..6dd386e3d9fe 100644
>> --- a/arch/arm/mach-at91/at91rm9200_devices.c
>> +++ b/arch/arm/mach-at91/at91rm9200_devices.c
> ...
>> @@ -961,7 +961,14 @@ static struct resource uart0_resources[] = {
>> static struct atmel_uart_data uart0_data = {
>> .use_dma_tx = 1,
>> .use_dma_rx = 1,
>> - .rts_gpio = -EINVAL,
>> +};
>> +
>> +struct gpiod_lookup_table uart0_gpios_table = {
>
> static
arg ! I missed this one !
good catch !
>> + .dev_id = "atmel_usart",
>> + .table = {
>> + GPIO_LOOKUP("pioA", 21, "rts", GPIO_ACTIVE_LOW),
>> + { },
>> + },
>> };
> ...
>
> --
> Alexander Shiyan <shc_work@xxxxxxx>
--
for me, ck means con kolivas and not calvin klein... does it mean I'm a geek ?
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